Now Stable

"New on the Web": For a given set of browsers, what APIs became stable and when, ordered reverse chronologically.

It's a great source of information for posts like this

Example Comparisons
Browsers
Features

Stable APIs

Below is a list of features that are in Chrome and Safari on iOS, ordered reverse chronologically by when they became stable (i.e, available in the last browser).

2026/3

API First Browser Date Last Browser Date Days Notes
api.CustomElementRegistry.CustomElementRegistry 📋Safari on iOS9/15/2025 Chrome3/10/2026176
api.CustomElementRegistry.initialize 📋Safari on iOS9/15/2025 Chrome3/10/2026176
api.Document.customElementRegistry 📋Safari on iOS9/15/2025 Chrome3/10/2026176
api.Element.customElementRegistry 📋Safari on iOS9/15/2025 Chrome3/10/2026176
api.HTMLTemplateElement.shadowRootCustomElementRegistry 📋Safari on iOS9/15/2025 Chrome3/10/2026176
api.ShadowRoot.customElementRegistry 📋Safari on iOS9/15/2025 Chrome3/10/2026176

2026/2

API First Browser Date Last Browser Date Days Notes
api.HTMLElement.focus.options_focusVisible_parameter Safari on iOS3/31/2025 Chrome2/10/2026316
api.LargestContentfulPaint.paintTime 📋Safari on iOS12/12/2025 Chrome2/10/202660
api.LargestContentfulPaint.presentationTime 📋Safari on iOS12/12/2025 Chrome2/10/202660
Firefox: This property is exposed, but always returns null.Firefox for Android: This property is exposed, but always returns null.Safari: This property is exposed, but always returns null.Safari on iOS: This property is exposed, but always returns null.WebView on iOS: This property is exposed, but always returns null.
javascript.builtins.Map.getOrInsert 📋Safari on iOS12/12/2025 Chrome2/10/202660
javascript.builtins.Map.getOrInsertComputed 📋Safari on iOS12/12/2025 Chrome2/10/202660
javascript.builtins.WeakMap.getOrInsert 📋Safari on iOS12/12/2025 Chrome2/10/202660
javascript.builtins.WeakMap.getOrInsertComputed 📋Safari on iOS12/12/2025 Chrome2/10/202660

2026/1

API First Browser Date Last Browser Date Days Notes
api.Blob.bytes 📋Safari on iOS9/16/2024 Chrome1/13/2026484
api.Performance.interactionCount 📋Safari on iOS12/12/2025 Chrome1/13/202632
api.SVGAElement.hreflang 📋Safari on iOS12/12/2025 Chrome1/13/202632
api.SVGAElement.type 📋Safari on iOS12/12/2025 Chrome1/13/202632

2025/12

API First Browser Date Last Browser Date Days Notes
api.Animation.overallProgress 📋Chrome2/4/2025 Safari on iOS12/12/2025311
api.CaretPosition 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.CaretPosition.getClientRect 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.CaretPosition.offset 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.CaretPosition.offsetNode 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.CommandEvent 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.CommandEvent.CommandEvent Chrome4/1/2025 Safari on iOS12/12/2025255
api.CommandEvent.command 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.CommandEvent.source 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.Document.activeViewTransition 📋Chrome10/28/2025 Safari on iOS12/12/202545
api.Document.caretPositionFromPoint 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.Document.caretPositionFromPoint.options_parameter Chrome8/20/2024 Safari on iOS12/12/2025479
api.Document.scrollend_event 📋Chrome5/30/2023 Safari on iOS12/12/2025927
api.Element.ariaColIndexText 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.Element.ariaRowIndexText 📋Chrome8/20/2024 Safari on iOS12/12/2025479
api.Element.beforematch_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Element.scrollend_event 📋Chrome5/30/2023 Safari on iOS12/12/2025927
api.EventCounts 📋Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.@@iterator Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.entries Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.forEach Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.get Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.has Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.keys Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.size Chrome8/25/2020 Safari on iOS12/12/20251935
api.EventCounts.values Chrome8/25/2020 Safari on iOS12/12/20251935
api.HTMLButtonElement.command 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.HTMLButtonElement.command.request-close 📋Chrome8/5/2025 Safari on iOS12/12/2025129
api.HTMLButtonElement.commandForElement 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.HTMLButtonElement.commandForElement.implicit_anchor_reference 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.HTMLElement.command_event 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.LargestContentfulPaint 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.element 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.id 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.loadTime 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.renderTime 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.renderTime.cross-origin Chrome2/4/2025 Safari on iOS12/12/2025311
api.LargestContentfulPaint.size 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.toJSON 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.LargestContentfulPaint.url 📋Chrome9/10/2019 Safari on iOS12/12/20252285
api.NavigateEvent 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.NavigateEvent 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.canIntercept 📋Chrome9/2/2022 Safari on iOS12/12/20251197
api.NavigateEvent.destination 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.downloadRequest 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.formData 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.hasUAVisualTransition 📋Chrome10/10/2023 Safari on iOS12/12/2025794
api.NavigateEvent.hashChange 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.info 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.intercept 📋Chrome9/2/2022 Safari on iOS12/12/20251197
api.NavigateEvent.navigationType 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.scroll 📋Chrome9/2/2022 Safari on iOS12/12/20251197
api.NavigateEvent.signal 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigateEvent.sourceElement 📋Chrome4/1/2025 Safari on iOS12/12/2025255
api.NavigateEvent.userInitiated 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.activation 📋Chrome3/19/2024 Safari on iOS12/12/2025633
api.Navigation.back 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.canGoBack 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.canGoForward 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.currentEntry 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.currententrychange_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.entries 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.forward 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.navigate 📋Chrome5/24/2022 Safari on iOS12/12/20251298
Chrome: Chrome allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Chrome Android: Chrome Android allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Edge: Edge allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Quest Browser: Quest Browser allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Opera: Opera allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Opera Android: Opera Android allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).Samsung Internet: Samsung Internet allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).WebView Android: WebView Android allows javascript: URLs when calling navigate(), contrary to the specification (bug 439994590).
api.Navigation.navigate_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.navigateerror_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.navigatesuccess_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.reload 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.transition 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.traverseTo 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Navigation.updateCurrentEntry 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationActivation 📋Chrome3/19/2024 Safari on iOS12/12/2025633
api.NavigationActivation.entry 📋Chrome3/19/2024 Safari on iOS12/12/2025633
api.NavigationActivation.from 📋Chrome3/19/2024 Safari on iOS12/12/2025633
api.NavigationActivation.navigationType 📋Chrome3/19/2024 Safari on iOS12/12/2025633
api.NavigationCurrentEntryChangeEvent 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationCurrentEntryChangeEvent.NavigationCurrentEntryChangeEvent 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationCurrentEntryChangeEvent.from 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationCurrentEntryChangeEvent.navigationType 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.getState 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.id 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.index 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.key 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.sameDocument 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationDestination.url 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.dispose_event 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.getState 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.id 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.index 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.key 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.sameDocument 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationHistoryEntry.url 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationTransition 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationTransition.finished 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationTransition.from 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.NavigationTransition.navigationType 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Performance.eventCounts 📋Chrome8/25/2020 Safari on iOS12/12/20251935
api.PerformanceEventTiming 📋Chrome7/30/2019 Safari on iOS12/12/20252327
api.PerformanceEventTiming.cancelable 📋Chrome7/30/2019 Safari on iOS12/12/20252327
api.PerformanceEventTiming.interactionId 📋Chrome11/15/2021 Safari on iOS12/12/20251488
api.PerformanceEventTiming.processingEnd 📋Chrome7/30/2019 Safari on iOS12/12/20252327
api.PerformanceEventTiming.processingStart 📋Chrome7/30/2019 Safari on iOS12/12/20252327
api.PerformanceEventTiming.target 📋Chrome8/25/2020 Safari on iOS12/12/20251935
api.PerformanceEventTiming.toJSON 📋Chrome7/30/2019 Safari on iOS12/12/20252327
api.Permissions.permission_storage-access 📋Chrome10/31/2023 Safari on iOS12/12/2025773
api.PointerEvent.pointerType.fractional_coordinates Chrome1/23/2018 Safari on iOS12/12/20252880
Chrome: movementX and movementY are not fractional, see bug 41364801.Chrome Android: movementX and movementY are not fractional, see bug 41364801.Edge: movementX and movementY are not fractional, see bug 41364801.Edge: Only clientX, clientY, pageX and pageY are fractional.Internet Explorer: Only clientX, clientY, pageX and pageY are fractional.Quest Browser: movementX and movementY are not fractional, see bug 41364801.Opera: movementX and movementY are not fractional, see bug 41364801.Opera Android: movementX and movementY are not fractional, see bug 41364801.Samsung Internet: movementX and movementY are not fractional, see bug 41364801.WebView Android: movementX and movementY are not fractional, see bug 41364801.
api.Request.destination.speculationrules Chrome1/23/2024 Safari on iOS12/12/2025689
api.SVGAnimationElement.beginEvent_event 📋Chrome5/20/2014 Safari on iOS12/12/20254224
Chrome: The onbegin event handler property is not supported.Chrome Android: The onbegin event handler property is not supported.Firefox: The onbegin event handler property is not supported.Firefox for Android: The onbegin event handler property is not supported.Opera: The onbegin event handler property is not supported.Opera Android: The onbegin event handler property is not supported.Safari: The onbegin event handler property is not supported.Safari on iOS: The onbegin event handler property is not supported.Samsung Internet: The onbegin event handler property is not supported.WebView Android: The onbegin event handler property is not supported.WebView on iOS: The onbegin event handler property is not supported.
api.SVGAnimationElement.repeatEvent_event 📋Chrome5/20/2014 Safari on iOS12/12/20254224
Chrome: The onrepeat event handler property is not supported.Chrome Android: The onrepeat event handler property is not supported.Firefox: The onrepeat event handler property is not supported.Firefox for Android: The onrepeat event handler property is not supported.Opera: The onrepeat event handler property is not supported.Opera Android: The onrepeat event handler property is not supported.Safari: The onrepeat event handler property is not supported.Safari on iOS: The onrepeat event handler property is not supported.Samsung Internet: The onrepeat event handler property is not supported.WebView Android: The onrepeat event handler property is not supported.WebView on iOS: The onrepeat event handler property is not supported.
api.SVGScriptElement.async Chrome10/28/2025 Safari on iOS12/12/202545
api.Window.navigation 📋Chrome5/24/2022 Safari on iOS12/12/20251298
api.Window.gamepadconnected_event 📋Safari on iOS9/12/2022 Chrome12/2/20251177
Chrome: The ongamepadconnected event handler property is not supported. See bug 40175074.Chrome Android: The ongamepadconnected event handler property is not supported. See bug 40175074.Edge: The ongamepadconnected event handler property is not supported. See bug 40175074.Firefox: The ongamepadconnected event handler property is not supported. See bug 1697093.Firefox for Android: The ongamepadconnected event handler property is not supported. See bug 1697093.Quest Browser: The ongamepadconnected event handler property is not supported. See bug 40175074.Opera: The ongamepadconnected event handler property is not supported. See bug 40175074.Opera Android: The ongamepadconnected event handler property is not supported. See bug 40175074.Safari: The ongamepadconnected event handler property is not supported. See bug 223860.Safari on iOS: The ongamepadconnected event handler property is not supported. See bug 223860.Samsung Internet: The ongamepadconnected event handler property is not supported. See bug 40175074.WebView Android: The ongamepadconnected event handler property is not supported. See bug 40175074.WebView on iOS: The ongamepadconnected event handler property is not supported. See bug 223860.
api.Window.gamepaddisconnected_event 📋Safari on iOS9/12/2022 Chrome12/2/20251177
Chrome: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Chrome Android: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Edge: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Firefox: The ongamepaddisconnected event handler property is not supported. See bug 1697093.Firefox for Android: The ongamepaddisconnected event handler property is not supported. See bug 1697093.Quest Browser: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Opera: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Opera Android: The ongamepaddisconnected event handler property is not supported. See bug 40175074.Safari: The ongamepaddisconnected event handler property is not supported. See bug 223860.Safari on iOS: The ongamepaddisconnected event handler property is not supported. See bug 223860.Samsung Internet: The ongamepaddisconnected event handler property is not supported. See bug 40175074.WebView Android: The ongamepaddisconnected event handler property is not supported. See bug 40175074.WebView on iOS: The ongamepaddisconnected event handler property is not supported. See bug 223860.

2025/9

API First Browser Date Last Browser Date Days Notes
api.DedicatedWorkerGlobalScope.rtctransform_event 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.DigitalCredential 📋Safari on iOS9/15/2025 Chrome9/30/202515
api.DigitalCredential.data 📋Safari on iOS9/15/2025 Chrome9/30/202515
api.DigitalCredential.protocol 📋Safari on iOS9/15/2025 Chrome9/30/202515
api.DigitalCredential.toJSON 📋Safari on iOS9/15/2025 Chrome9/30/202515
api.DigitalCredential.userAgentAllowsProtocol_static 📋Safari on iOS9/15/2025 Chrome9/30/202515
api.RTCRtpReceiver.transform 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransform 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransform.RTCRtpScriptTransform 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransformer 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransformer.options 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransformer.readable 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransformer.sendKeyFrameRequest 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpScriptTransformer.writable 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCRtpSender.transform 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCTransformEvent 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.RTCTransformEvent.transformer 📋Safari on iOS3/14/2022 Chrome9/30/20251296
api.AnimationTimeline.duration 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.AudioData 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.AudioData 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.allocationSize 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.clone 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.close 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.copyTo 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.duration 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.format 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.numberOfChannels 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.numberOfFrames 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.sampleRate 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioData.timestamp 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.AudioDecoder 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.close 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.configure 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.decode 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.decodeQueueSize 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.dequeue_event 📋Chrome9/27/2022 Safari on iOS9/15/20251084
api.AudioDecoder.flush 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.isConfigSupported_static 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.reset 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioDecoder.state 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.AudioEncoder 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.close 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.configure 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.configure.bitrateMode 📋Chrome10/31/2023 Safari on iOS9/15/2025685
api.AudioEncoder.configure.opus 📋Chrome2/7/2023 Safari on iOS9/15/2025951
api.AudioEncoder.dequeue_event 📋Chrome9/27/2022 Safari on iOS9/15/20251084
api.AudioEncoder.encode 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.encodeQueueSize 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.flush 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.isConfigSupported_static 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.reset 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.AudioEncoder.state 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.CSSPositionTryDescriptors 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.align-self 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.alignSelf 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.block-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.blockSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.bottom 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.height 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inline-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inlineSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-block 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-block-end 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-block-start 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-inline 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-inline-end 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.inset-inline-start 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetBlock 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetBlockEnd 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetBlockStart 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetInline 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetInlineEnd 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.insetInlineStart 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.justify-self 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.justifySelf 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.left 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-block 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-block-end 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-block-start 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-bottom 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-inline 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-inline-end 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-inline-start 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-left 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-right 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.margin-top 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginBlock 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginBlockEnd 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginBlockStart 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginBottom 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginInline 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginInlineEnd 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginInlineStart 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginLeft 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginRight 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.marginTop 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.max-block-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.max-height 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.max-inline-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.max-width 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.maxBlockSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.maxHeight 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.maxInlineSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.maxWidth 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.min-block-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.min-height 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.min-inline-size 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.min-width 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.minBlockSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.minHeight 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.minInlineSize 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.minWidth 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.place-self 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.placeSelf 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.position-anchor 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.position-area 📋Chrome9/17/2024 Safari on iOS9/15/2025363
api.CSSPositionTryDescriptors.positionAnchor 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.positionArea 📋Chrome9/17/2024 Safari on iOS9/15/2025363
api.CSSPositionTryDescriptors.right 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.top 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryDescriptors.width 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryRule 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryRule.name 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.CSSPositionTryRule.style 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.DOMParser.parseFromString.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.Document.execCommand.insertHTML.enforces_trusted_types Chrome11/15/2021 Safari on iOS9/15/20251400
api.Document.parseHTMLUnsafe_static 📋Chrome4/16/2024 Safari on iOS9/15/2025517
Firefox: Throws error NS_ERROR_UNEXPECTED (bug 1887817.)Firefox for Android: Throws error NS_ERROR_UNEXPECTED (bug 1887817.)Safari: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).Safari on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).WebView on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).
api.Document.parseHTMLUnsafe_static.enforces_trusted_types 📋Chrome4/16/2024 Safari on iOS9/15/2025517
api.Document.write.enforces_trusted_types 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.Document.writeln.enforces_trusted_types 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.Element.animate.options_rangeEnd_parameter 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.Element.animate.options_rangeStart_parameter 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.Element.getHTML.escapes_lt_gt_in_attributes Chrome6/24/2025 Safari on iOS9/15/202583
api.Element.innerHTML.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.Element.innerHTML.escapes_lt_gt_in_attributes Chrome6/24/2025 Safari on iOS9/15/202583
api.Element.insertAdjacentHTML.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.Element.outerHTML.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.Element.outerHTML.escapes_lt_gt_in_attributes Chrome6/24/2025 Safari on iOS9/15/202583
api.Element.setAttribute.enforces_trusted_types Chrome5/19/2020 Safari on iOS9/15/20251945
api.Element.setAttributeNS.enforces_trusted_types Chrome5/19/2020 Safari on iOS9/15/20251945
api.Element.setHTMLUnsafe 📋Chrome4/16/2024 Safari on iOS9/15/2025517
Safari: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).Safari on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).WebView on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).
api.Element.setHTMLUnsafe.enforces_trusted_types 📋Chrome4/16/2024 Safari on iOS9/15/2025517
api.EncodedAudioChunk 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.EncodedAudioChunk 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.byteLength 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.copyTo 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.duration 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.timestamp 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.EncodedAudioChunk.type 📋Chrome9/21/2021 Safari on iOS9/15/20251455
api.FileSystemFileHandle.createWritable 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.FileSystemWritableFileStream 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.FileSystemWritableFileStream.seek 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.FileSystemWritableFileStream.truncate 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.FileSystemWritableFileStream.write 📋Chrome10/20/2020 Safari on iOS9/15/20251791
api.GPU 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPU.getPreferredCanvasFormat 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPU.requestAdapter 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPU.wgslLanguageFeatures 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapter 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapter.features 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapter.info 📋Chrome7/23/2024 Safari on iOS9/15/2025419
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome Android: Supported on ChromeOS, macOS, and Windows.Chrome Android: Supported on Linux (Intel Gen12+ GPUs only) since Chrome Android 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera Android: Supported on ChromeOS, macOS, and Windows.Opera Android: Supported on Linux (Intel Gen12+ GPUs only) since Opera Android 95.Samsung Internet: Supported on ChromeOS, macOS, and Windows.Samsung Internet: Supported on Linux (Intel Gen12+ GPUs only) since Samsung Internet false.WebView Android: Supported on ChromeOS, macOS, and Windows.WebView Android: Supported on Linux (Intel Gen12+ GPUs only) since WebView Android 144.
api.GPUAdapter.limits 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapter.requestDevice 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapter.requestDevice.handles_duplicate_calls Chrome8/15/2023 Safari on iOS9/15/2025762
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome: Before Chrome 140, lost GPUDevice is returned on duplicate calls.Chrome Android: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.Deno: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Edge: Before Edge 140, lost GPUDevice is returned on duplicate calls.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera: Before Opera 124, lost GPUDevice is returned on duplicate calls.Opera Android: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.Safari: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.Safari on iOS: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.Samsung Internet: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.WebView Android: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.WebView on iOS: Duplicate calls don't reject; instead, lost GPUDevice is returned on duplicate calls.
api.GPUAdapterInfo 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapterInfo.architecture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapterInfo.description 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapterInfo.device 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUAdapterInfo.isFallbackAdapter 📋Chrome4/29/2025 Safari on iOS9/15/2025139
Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.
api.GPUAdapterInfo.vendor 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBindGroup.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBindGroupLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBindGroupLayout.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.destroy 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.getMappedRange 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.mapAsync 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.mapState 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.size 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.unmap 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUBuffer.usage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCanvasContext 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCanvasContext.canvas 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCanvasContext.configure 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome: The rgba8unorm format is currently not supported on macOS. See bug 40823053.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Edge: The rgba8unorm format is currently not supported on macOS. See bug 40823053.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera: The rgba8unorm format is currently not supported on macOS. See bug 40823053.
api.GPUCanvasContext.getConfiguration 📋Chrome11/12/2024 Safari on iOS9/15/2025307
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome Android: Supported on ChromeOS, macOS, and Windows.Chrome Android: Supported on Linux (Intel Gen12+ GPUs only) since Chrome Android 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera Android: Supported on ChromeOS, macOS, and Windows.Opera Android: Supported on Linux (Intel Gen12+ GPUs only) since Opera Android 95.Samsung Internet: Supported on ChromeOS, macOS, and Windows.Samsung Internet: Supported on Linux (Intel Gen12+ GPUs only) since Samsung Internet false.WebView Android: Supported on ChromeOS, macOS, and Windows.WebView Android: Supported on Linux (Intel Gen12+ GPUs only) since WebView Android 144.
api.GPUCanvasContext.getCurrentTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCanvasContext.unconfigure 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandBuffer.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.beginComputePass 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.beginRenderPass 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.clearBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.copyBufferToBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.copyBufferToTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.copyTextureToBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.copyTextureToTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.finish 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.insertDebugMarker 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.popDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.pushDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCommandEncoder.resolveQuerySet 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationInfo 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationInfo.messages 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.length 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.lineNum 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.linePos 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.message 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.offset 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUCompilationMessage.type 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.dispatchWorkgroups 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.dispatchWorkgroupsIndirect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.end 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.insertDebugMarker 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.popDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.pushDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.setBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePassEncoder.setPipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePipeline.getBindGroupLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUComputePipeline.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createBindGroupLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome: Before version 138, this method does not throw a RangeError exception when mappedAtCreation is true but size is not a multiple of 4; it generates a validation error instead.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Edge: Before version 138, this method does not throw a RangeError exception when mappedAtCreation is true but size is not a multiple of 4; it generates a validation error instead.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera: Before version 122, this method does not throw a RangeError exception when mappedAtCreation is true but size is not a multiple of 4; it generates a validation error instead.
api.GPUDevice.createCommandEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createComputePipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createComputePipelineAsync 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createPipelineLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createQuerySet 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createRenderBundleEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createRenderPipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createRenderPipelineAsync 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createSampler 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createShaderModule 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.createTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.destroy 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.features 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.importExternalTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supported on Windows only, in all contexts except for service workers.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.importExternalTexture.videoframe_source Chrome8/15/2023 Safari on iOS9/15/2025762
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.limits 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.lost 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.popErrorScope 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.pushErrorScope 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDevice.queue 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDeviceLostInfo 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDeviceLostInfo.message 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUDeviceLostInfo.reason 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUExternalTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUExternalTexture.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUInternalError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUInternalError.GPUInternalError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUOutOfMemoryError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUOutOfMemoryError.GPUOutOfMemoryError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineError.GPUPipelineError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineError.GPUPipelineError.message_optional Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supported on Windows only, in all contexts except for service workers.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineError.reason 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUPipelineLayout.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQuerySet 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQuerySet.count 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQuerySet.destroy 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQuerySet.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQuerySet.type 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.copyExternalImageToTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.copyExternalImageToTexture.videoframe_source Chrome8/15/2023 Safari on iOS9/15/2025762
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.onSubmittedWorkDone 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.submit 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.writeBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUQueue.writeTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundle 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundle.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.draw 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.drawIndexed 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.drawIndexedIndirect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.drawIndirect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.finish 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.insertDebugMarker 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.popDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.pushDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.setBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.setIndexBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.setPipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.setVertexBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderBundleEncoder.setVertexBuffer.unset_vertex_buffer Chrome9/12/2023 Safari on iOS9/15/2025734
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.beginOcclusionQuery 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.draw 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.drawIndexed 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.drawIndexedIndirect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.drawIndirect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.end 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.endOcclusionQuery 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.executeBundles 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.insertDebugMarker 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.popDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.pushDebugGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setBlendConstant 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setIndexBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setPipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setScissorRect 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setStencilReference 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setVertexBuffer 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setVertexBuffer.unset_vertex_buffer Chrome9/12/2023 Safari on iOS9/15/2025734
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPassEncoder.setViewport 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPipeline 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPipeline.getBindGroupLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPURenderPipeline.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSampler 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSampler.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUShaderModule 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUShaderModule.getCompilationInfo 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUShaderModule.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.@@iterator 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.entries 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.feature_texture-compression-astc-sliced-3d 📋Chrome8/5/2025 Safari on iOS9/15/202541
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome Android: Supported on ChromeOS, macOS, and Windows.Chrome Android: Supported on Linux (Intel Gen12+ GPUs only) since Chrome Android 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera Android: Supported on ChromeOS, macOS, and Windows.Opera Android: Supported on Linux (Intel Gen12+ GPUs only) since Opera Android 95.WebView Android: Supported on ChromeOS, macOS, and Windows.WebView Android: Supported on Linux (Intel Gen12+ GPUs only) since WebView Android 144.
api.GPUSupportedFeatures.feature_texture-compression-bc-sliced-3d 📋Chrome8/5/2025 Safari on iOS9/15/202541
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Chrome Android: Supported on ChromeOS, macOS, and Windows.Chrome Android: Supported on Linux (Intel Gen12+ GPUs only) since Chrome Android 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.Opera Android: Supported on ChromeOS, macOS, and Windows.Opera Android: Supported on Linux (Intel Gen12+ GPUs only) since Opera Android 95.WebView Android: Supported on ChromeOS, macOS, and Windows.WebView Android: Supported on Linux (Intel Gen12+ GPUs only) since WebView Android 144.
api.GPUSupportedFeatures.forEach 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.has 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.keys 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.size 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedFeatures.values 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxBindGroups 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxBindGroupsPlusVertexBuffers 📋Chrome12/5/2023 Safari on iOS9/15/2025650
Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.
api.GPUSupportedLimits.maxBindingsPerBindGroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxBufferSize 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxColorAttachmentBytesPerSample 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxColorAttachments 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeInvocationsPerWorkgroup 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeWorkgroupSizeX 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeWorkgroupSizeY 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeWorkgroupSizeZ 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeWorkgroupStorageSize 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxComputeWorkgroupsPerDimension 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxDynamicStorageBuffersPerPipelineLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxDynamicUniformBuffersPerPipelineLayout 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxInterStageShaderVariables 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxSampledTexturesPerShaderStage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxSamplersPerShaderStage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxStorageBufferBindingSize 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxStorageBuffersPerShaderStage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxStorageTexturesPerShaderStage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxTextureArrayLayers 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxTextureDimension1D 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxTextureDimension2D 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxTextureDimension3D 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxUniformBufferBindingSize 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxUniformBuffersPerShaderStage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxVertexAttributes 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxVertexBufferArrayStride 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.maxVertexBuffers 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.minStorageBufferOffsetAlignment 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUSupportedLimits.minUniformBufferOffsetAlignment 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.createView 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.depthOrArrayLayers 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.destroy 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.dimension 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.format 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.height 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.mipLevelCount 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.sampleCount 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.usage 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTexture.width 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTextureView 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUTextureView.label 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUUncapturedErrorEvent 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUUncapturedErrorEvent.GPUUncapturedErrorEvent 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUUncapturedErrorEvent.error 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUValidationError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.GPUValidationError.GPUValidationError 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.HTMLButtonElement.popoverTargetElement.implicit_anchor_reference 📋Chrome2/4/2025 Safari on iOS9/15/2025223
api.HTMLCanvasElement.getContext.webgpu_context 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supported on Windows only, in all contexts except for service workers.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.HTMLElement.beforetoggle_event.dialog_elements 📋Chrome1/14/2025 Safari on iOS9/15/2025244
api.HTMLElement.showPopover.options_source_parameter 📋Chrome5/27/2025 Safari on iOS9/15/2025111
Chrome: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Chrome Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Edge: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Firefox: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 1984004.Firefox for Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 1984004.Opera: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Opera Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Safari: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.Safari on iOS: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.Samsung Internet: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.WebView Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.WebView on iOS: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.
api.HTMLElement.showPopover.options_source_parameter.implicit_anchor_reference 📋Chrome2/4/2025 Safari on iOS9/15/2025223
api.HTMLElement.togglePopover.options_source_parameter 📋Chrome5/27/2025 Safari on iOS9/15/2025111
Chrome: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Chrome Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Edge: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Firefox: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 1984004.Firefox for Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 1984004.Opera: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Opera Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.Safari: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.Safari on iOS: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.Samsung Internet: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.WebView Android: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 383343310.WebView on iOS: When using this option, the focus order doesn't change, so the popover does not become the next focus element. See bug 286575.
api.HTMLElement.togglePopover.options_source_parameter.implicit_anchor_reference 📋Chrome2/4/2025 Safari on iOS9/15/2025223
api.HTMLElement.toggle_event.dialog_elements 📋Chrome1/14/2025 Safari on iOS9/15/2025244
api.HTMLIFrameElement.srcdoc.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.HTMLInputElement.popoverTargetElement.implicit_anchor_reference 📋Chrome2/4/2025 Safari on iOS9/15/2025223
api.HTMLScriptElement.innerText.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.HTMLScriptElement.src.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.HTMLScriptElement.text.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.HTMLScriptElement.textContent.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.ImageCapture.grabFrame 📋Chrome6/5/2017 Safari on iOS9/15/20253024
api.IntersectionObserver.scrollMargin Chrome12/5/2023 Safari on iOS9/15/2025650
api.Navigator.gpu 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supported on Windows only.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.OffscreenCanvas.getContext.webgpu_context 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supported on Windows only, in all contexts except for service workers.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.PublicKeyCredential.signalAllAcceptedCredentials_static 📋Chrome1/14/2025 Safari on iOS9/15/2025244
api.PublicKeyCredential.signalCurrentUserDetails_static 📋Chrome1/14/2025 Safari on iOS9/15/2025244
api.PublicKeyCredential.signalUnknownCredential_static 📋Chrome1/14/2025 Safari on iOS9/15/2025244
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_contributingSources_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_mimeType_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_payloadType_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_rtpTimestamp_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_sequenceNumber_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.RTCEncodedAudioFrame.options_metadata_synchronizationSource_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_contributingSources 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_mimeType 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_payloadType 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_rtpTimestamp 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_sequenceNumber 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedAudioFrame.getMetadata.return_object_property_synchronizationSource 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_contributingSources_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_dependencies_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_frameId_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_height_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_mimeType_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_payloadType_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_rtpTimestamp_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_spatialIndex_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_synchronizationSource_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_temporalIndex_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.RTCEncodedVideoFrame.options_metadata_width_parameter 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_contributingSources 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_dependencies 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_frameId 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_height 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_mimeType 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_payloadType 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_rtpTimestamp 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_spatialIndex 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_synchronizationSource 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_temporalIndex 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.RTCEncodedVideoFrame.getMetadata.return_object_property_width 📋Chrome7/23/2024 Safari on iOS9/15/2025419
api.Range.createContextualFragment.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.ScrollTimeline 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ScrollTimeline.ScrollTimeline 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ScrollTimeline.axis 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ScrollTimeline.source 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ServiceWorkerContainer.register.enforces_trusted_types Chrome9/2/2025 Safari on iOS9/15/202513
api.ShadowRoot.getHTML.escapes_lt_gt_in_attributes Chrome6/24/2025 Safari on iOS9/15/202583
api.ShadowRoot.innerHTML.enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.ShadowRoot.innerHTML.escapes_lt_gt_in_attributes Chrome6/24/2025 Safari on iOS9/15/202583
api.ShadowRoot.referenceTarget Chrome2/4/2025 Safari on iOS9/15/2025223
api.ShadowRoot.setHTMLUnsafe 📋Chrome4/16/2024 Safari on iOS9/15/2025517
Safari: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).Safari on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).WebView on iOS: If there are custom elements in a declarative shadow root in the parsed HTML, then the elements' constructors and connectedCallback() methods are not called (bug 296420).
api.ShadowRoot.setHTMLUnsafe.enforces_trusted_types 📋Chrome4/16/2024 Safari on iOS9/15/2025517
api.SharedWorker.SharedWorker.enforces_trusted_types Chrome1/4/2022 Safari on iOS9/15/20251350
api.TrustedHTML 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedHTML.toJSON 📋Chrome4/13/2021 Safari on iOS9/15/20251616
api.TrustedHTML.toString 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedScript 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedScript.toJSON 📋Chrome4/13/2021 Safari on iOS9/15/20251616
api.TrustedScript.toString 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedScriptURL 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedScriptURL.toJSON 📋Chrome4/13/2021 Safari on iOS9/15/20251616
api.TrustedScriptURL.toString 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicy 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicy.createHTML 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicy.createScript 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicy.createScriptURL 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicy.name 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.createPolicy 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.defaultPolicy 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.emptyHTML 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.emptyScript 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.getAttributeType 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.getPropertyType 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.isHTML 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.isScript 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.TrustedTypePolicyFactory.isScriptURL 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.URLPattern 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.URLPattern 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.URLPattern.ignoreCase_option 📋Chrome10/25/2022 Safari on iOS9/15/20251056
api.URLPattern.exec 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.hasRegExpGroups 📋Chrome2/20/2024 Safari on iOS9/15/2025573
api.URLPattern.hash 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.hostname 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.password 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.pathname 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.port 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.protocol 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.search 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.test 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.URLPattern.username 📋Chrome10/19/2021 Safari on iOS9/15/20251427
api.ViewTimeline 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ViewTimeline.ViewTimeline 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ViewTimeline.endOffset 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ViewTimeline.startOffset 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.ViewTimeline.subject 📋Chrome7/18/2023 Safari on iOS9/15/2025790
api.WGSLLanguageFeatures 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.@@iterator 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.entries 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.forEach 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.has 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.keys 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.size 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.WGSLLanguageFeatures.values 📋Chrome7/18/2023 Safari on iOS9/15/2025790
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.Worker.Worker.enforces_trusted_types Chrome1/4/2022 Safari on iOS9/15/20251350
api.WorkerGlobalScope.importScripts.enforces_trusted_types 📋Chrome6/24/2025 Safari on iOS9/15/202583
api.WorkerNavigator.gpu 📋Chrome5/2/2023 Safari on iOS9/15/2025867
Chrome: Supported on ChromeOS, macOS, and Windows.Chrome: Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144.Edge: Supported on ChromeOS, macOS, and Windows.Edge: Supported on Linux (Intel Gen12+ GPUs only) since Edge 144.Firefox: Supports all contexts except service workers. See bug 1942431.Firefox: Supports Windows since Firefox 141. See bug 1972486.Firefox: Supports macOS Tahoe on Apple silicon since Firefox 145. See bug 1992212.Firefox: Supports older macOS versions on Apple silicon since Firefox 147. See bug 1993341.Firefox: Does not support macOS on Intel CPUs. See bug 2004105.Firefox: Does not support Linux. See bug 2006676.Firefox for Android: Supports all contexts except service workers. See bug 1942431.Firefox for Android: Supports Windows since Firefox for Android 141. See bug 1972486.Firefox for Android: Supports macOS Tahoe on Apple silicon since Firefox for Android 145. See bug 1992212.Firefox for Android: Supports older macOS versions on Apple silicon since Firefox for Android 147. See bug 1993341.Firefox for Android: Does not support macOS on Intel CPUs. See bug 2004105.Firefox for Android: Does not support Linux. See bug 2006676.Opera: Supported on ChromeOS, macOS, and Windows.Opera: Supported on Linux (Intel Gen12+ GPUs only) since Opera false.
api.setInterval.code_param_enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.setTimeout.code_param_enforces_trusted_types 📋Chrome5/19/2020 Safari on iOS9/15/20251945
api.trustedTypes 📋Chrome5/19/2020 Safari on iOS9/15/20251945
javascript.regular_expressions.modifier 📋Chrome5/14/2024 Safari on iOS9/15/2025489
api.FontFace.featureSettings 📋Safari on iOS9/13/2016 Chrome9/2/20253276
Chrome: The property can be set, but has no effect. See bug 324519293Chrome Android: The property can be set, but has no effect. See bug 324519293Edge: The property can be set, but has no effect. See bug 324519293Quest Browser: The property can be set, but has no effect. See bug 324519293Opera: The property can be set, but has no effect. See bug 324519293Opera Android: The property can be set, but has no effect. See bug 324519293WebView Android: The property can be set, but has no effect. See bug 324519293
javascript.builtins.Uint8Array.fromBase64 📋Safari on iOS12/11/2024 Chrome9/2/2025265
javascript.builtins.Uint8Array.fromHex 📋Safari on iOS12/11/2024 Chrome9/2/2025265
javascript.builtins.Uint8Array.setFromBase64 📋Safari on iOS12/11/2024 Chrome9/2/2025265
javascript.builtins.Uint8Array.setFromHex 📋Safari on iOS12/11/2024 Chrome9/2/2025265
javascript.builtins.Uint8Array.toBase64 📋Safari on iOS12/11/2024 Chrome9/2/2025265
javascript.builtins.Uint8Array.toHex 📋Safari on iOS12/11/2024 Chrome9/2/2025265

2025/8

API First Browser Date Last Browser Date Days Notes
api.SpeechRecognition 📋Safari on iOS4/26/2021 Chrome8/5/20251562
Chrome: You'll need to serve your code through a web server for recognition to work.Chrome Android: You'll need to serve your code through a web server for recognition to work.Edge: You'll need to serve your code through a web server for recognition to work.Quest Browser: You'll need to serve your code through a web server for recognition to work.Opera: You'll need to serve your code through a web server for recognition to work.Opera Android: You'll need to serve your code through a web server for recognition to work.Samsung Internet: You'll need to serve your code through a web server for recognition to work.WebView Android: You'll need to serve your code through a web server for recognition to work.
api.SpeechRecognition.SpeechRecognition 📋Safari on iOS4/26/2021 Chrome8/5/20251562
api.SpeechRecognitionErrorEvent 📋Safari on iOS4/26/2021 Chrome8/5/20251562
api.SpeechRecognitionErrorEvent.SpeechRecognitionErrorEvent 📋Safari on iOS4/26/2021 Chrome8/5/20251562
api.SpeechRecognitionEvent 📋Safari on iOS4/26/2021 Chrome8/5/20251562
api.SpeechRecognitionEvent.SpeechRecognitionEvent 📋Safari on iOS4/26/2021 Chrome8/5/20251562

2025/7

API First Browser Date Last Browser Date Days Notes
api.MediaDevices.getSupportedConstraints.return_object_property_groupId 📋Chrome8/31/2016 Safari on iOS7/29/20253254
api.MediaDevices.getSupportedConstraints.return_object_property_sampleRate 📋Chrome8/31/2016 Safari on iOS7/29/20253254
api.MediaDevices.getSupportedConstraints.return_object_property_sampleSize 📋Chrome8/31/2016 Safari on iOS7/29/20253254

2025/6

API First Browser Date Last Browser Date Days Notes
api.PushSubscriptionChangeEvent 📋Safari on iOS3/27/2023 Chrome6/24/2025820
Firefox: Before Firefox 137, The pushsubscriptionchange event is fired, but does not have the oldSubscription and newSubscription properties. See bug 1635524.Firefox for Android: Before Firefox for Android 137, The pushsubscriptionchange event is fired, but does not have the oldSubscription and newSubscription properties. See bug 1635524.Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionChangeEvent.PushSubscriptionChangeEvent 📋Safari on iOS3/27/2023 Chrome6/24/2025820
Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionChangeEvent.newSubscription 📋Safari on iOS3/27/2023 Chrome6/24/2025820
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionChangeEvent.oldSubscription 📋Safari on iOS3/27/2023 Chrome6/24/2025820
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.

2025/5

API First Browser Date Last Browser Date Days Notes
api.KeyboardEvent.repeat 📋Safari on iOS3/27/2017 Chrome5/27/20252983
Chrome: Before Chrome 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Chrome: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Chrome Android: Before Chrome Android 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Chrome Android: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Quest Browser: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Opera: Before Opera 123, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Opera: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Opera Android: Before Opera Android 91, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Opera Android: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.Samsung Internet: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.WebView Android: Before WebView Android 139, on Linux under X11, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.WebView Android: On Windows and Linux, if multiple keys are held down, a keydown event for the most recently pressed key will trigger with repeat incorrectly set to false. See bug 40940886.
api.Selection.direction 📋Safari on iOS9/18/2023 Chrome5/27/2025617
api.Selection.getComposedRanges 📋Safari on iOS9/18/2023 Chrome5/27/2025617
api.SubtleCrypto.exportKey.ed25519 📋Safari on iOS9/18/2023 Chrome5/27/2025617
api.SubtleCrypto.generateKey.ed25519 📋Safari on iOS9/18/2023 Chrome5/27/2025617
api.SubtleCrypto.importKey.ed25519 📋Safari on iOS9/18/2023 Chrome5/27/2025617
api.SubtleCrypto.sign.ed25519 📋Safari on iOS9/18/2023 Chrome5/27/2025617
Safari: Generates randomized signatures as per draft-irtf-cfrg-det-sigs-with-noise, instead of deterministic signatures as per RFC 8032.Safari on iOS: Generates randomized signatures as per draft-irtf-cfrg-det-sigs-with-noise, instead of deterministic signatures as per RFC 8032.WebView on iOS: Generates randomized signatures as per draft-irtf-cfrg-det-sigs-with-noise, instead of deterministic signatures as per RFC 8032.
api.SubtleCrypto.verify.ed25519 📋Safari on iOS9/18/2023 Chrome5/27/2025617

2025/4

API First Browser Date Last Browser Date Days Notes
api.BaseAudioContext.state.interrupted 📋Safari on iOS9/16/2015 Chrome4/29/20253513
api.SVGAElement.rel 📋Safari on iOS9/16/2020 Chrome4/29/20251686
api.SVGAElement.relList 📋Safari on iOS9/16/2020 Chrome4/29/20251686
api.SVGGeometryElement.isPointInFill.point_parameter_DOMPoint Safari on iOS9/17/2018 Chrome4/29/20252416
api.SVGGeometryElement.isPointInStroke.point_parameter_DOMPoint Safari on iOS9/17/2018 Chrome4/29/20252416
javascript.builtins.RegExp.escape 📋Safari on iOS12/11/2024 Chrome4/29/2025139
api.Element.ariaActiveDescendantElement 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaControlsElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaDescribedByElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaDetailsElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaErrorMessageElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaFlowToElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.Element.ariaLabelledByElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaActiveDescendantElement 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaControlsElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaDescribedByElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaDetailsElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaErrorMessageElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaFlowToElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
api.ElementInternals.ariaLabelledByElements 📋Safari on iOS3/27/2023 Chrome4/1/2025736
javascript.builtins.DataView.getFloat16 📋Safari on iOS12/11/2024 Chrome4/1/2025111
javascript.builtins.DataView.setFloat16 📋Safari on iOS12/11/2024 Chrome4/1/2025111
javascript.builtins.Float16Array 📋Safari on iOS12/11/2024 Chrome4/1/2025111
javascript.builtins.Float16Array.Float16Array 📋Safari on iOS12/11/2024 Chrome4/1/2025111
javascript.builtins.Math.f16round 📋Safari on iOS12/11/2024 Chrome4/1/2025111

2025/3

API First Browser Date Last Browser Date Days Notes
api.AudioContext.outputLatency 📋Chrome5/24/2022 Safari on iOS3/31/20251042
api.CSPViolationReportBody 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.blockedURL 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.columnNumber 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.disposition 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.documentURL 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.effectiveDirective 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.lineNumber 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.originalPolicy 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.referrer 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.sample 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.sourceFile 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.statusCode 📋Chrome4/23/2019 Safari on iOS3/31/20252169
api.CSPViolationReportBody.toJSON Chrome2/4/2020 Safari on iOS3/31/20251882
api.CanvasRenderingContext2D.font 📋Chrome5/21/2009 Safari on iOS3/31/20255793
Safari: The font-weight can be set, but is not reflected back (see bug 284115).Safari on iOS: The font-weight can be set, but is not reflected back (see bug 284115).WebView on iOS: The font-weight can be set, but is not reflected back (see bug 284115).
api.CanvasRenderingContext2D.letterSpacing 📋Chrome3/1/2022 Safari on iOS3/31/20251126
api.CanvasRenderingContext2D.wordSpacing 📋Chrome3/1/2022 Safari on iOS3/31/20251126
api.ClipboardItem.supports_static 📋Chrome1/23/2024 Safari on iOS3/31/2025433
api.CookieChangeEvent 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieChangeEvent.CookieChangeEvent 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieChangeEvent.changed 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieChangeEvent.deleted 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.change_event 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.delete 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.get 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.get.name_return_property 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.get.value_return_property 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.getAll 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.CookieStore.set 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.Document.fragmentDirective 📋Chrome10/20/2020 Safari on iOS3/31/20251623
api.ExtendableCookieChangeEvent 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.ExtendableCookieChangeEvent.ExtendableCookieChangeEvent 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.ExtendableCookieChangeEvent.changed 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.ExtendableCookieChangeEvent.changed.partitioned_property 📋Chrome5/30/2023 Safari on iOS3/31/2025671
api.ExtendableCookieChangeEvent.deleted 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.ExtendableCookieChangeEvent.deleted.partitioned_property 📋Chrome5/30/2023 Safari on iOS3/31/2025671
api.FragmentDirective 📋Chrome4/7/2020 Safari on iOS3/31/20251819
api.HTMLDialogElement.requestClose 📋Chrome3/4/2025 Safari on iOS3/31/202527
api.HTMLElement.togglePopover.options_force_parameter 📋Chrome10/15/2024 Safari on iOS3/31/2025167
api.HTMLInputElement.webkitdirectory 📋Chrome10/19/2010 Safari on iOS3/31/20255277
Chrome Android: In Chrome for Android 131, if a user selects a directory, the browser crashes (see bug 376834374).Chrome Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Firefox for Android: File entries returned for a selected directory have an empty string for webkitRelativePath (bug 1973726).Quest Browser: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Opera Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Safari on iOS: The property can be set, but has no effect (see bug 271705).Samsung Internet: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.WebView Android: In Chrome for Android 131, if a user selects a directory, the browser crashes (see bug 376834374).WebView Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.WebView on iOS: The property can be set, but has no effect (see bug 271705).
api.HTMLMediaElement.setSinkId 📋Chrome3/2/2016 Safari on iOS3/31/20253316
Chrome Android: Not available due to a limitation in Android, see bug 41276355.Firefox for Android: Not available due to a limitation in Android, see bug 1473346.Quest Browser: Not available due to a limitation in Android, see bug 41276355.Opera Android: Not available due to a limitation in Android, see bug 41276355.Samsung Internet: Not available due to a limitation in Android, see bug 41276355.WebView Android: Not available due to a limitation in Android, see bug 41276355.
api.HTMLMediaElement.sinkId 📋Chrome3/2/2016 Safari on iOS3/31/20253316
Chrome Android: Not available due to a limitation in Android, see bug 41276355.Firefox for Android: Not available due to a limitation in Android, see bug 1473346.Quest Browser: Not available due to a limitation in Android, see bug 41276355.Opera Android: Not available due to a limitation in Android, see bug 41276355.Samsung Internet: Not available due to a limitation in Android, see bug 41276355.WebView Android: Not available due to a limitation in Android, see bug 41276355.
api.ImageCapture 📋Chrome6/5/2017 Safari on iOS3/31/20252856
api.ImageCapture.ImageCapture 📋Chrome6/5/2017 Safari on iOS3/31/20252856
api.ImageCapture.getPhotoCapabilities 📋Chrome6/5/2017 Safari on iOS3/31/20252856
api.ImageCapture.getPhotoSettings 📋Chrome9/5/2017 Safari on iOS3/31/20252764
api.ImageCapture.takePhoto 📋Chrome7/25/2017 Safari on iOS3/31/20252806
Chrome: photoSettings parameter not supported.Chrome Android: photoSettings parameter not supported.Opera: photoSettings parameter not supported.Opera Android: photoSettings parameter not supported.Samsung Internet: photoSettings parameter not supported.WebView Android: photoSettings parameter not supported.
api.ImageCapture.track 📋Chrome6/5/2017 Safari on iOS3/31/20252856
api.MediaSession.setActionHandler.togglecamera_type Chrome8/31/2021 Safari on iOS3/31/20251308
api.MediaSession.setActionHandler.togglemicrophone_type Chrome8/31/2021 Safari on iOS3/31/20251308
api.MediaSession.setCameraActive 📋Chrome8/31/2021 Safari on iOS3/31/20251308
api.MediaSession.setMicrophoneActive 📋Chrome8/31/2021 Safari on iOS3/31/20251308
api.Navigator.wakeLock 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.OffscreenCanvasRenderingContext2D.font 📋Chrome9/4/2018 Safari on iOS3/31/20252400
Safari: The font-weight can be set, but is not reflected back (see bug 284115).Safari on iOS: The font-weight can be set, but is not reflected back (see bug 284115).WebView on iOS: The font-weight can be set, but is not reflected back (see bug 284115).
api.OffscreenCanvasRenderingContext2D.letterSpacing 📋Chrome3/1/2022 Safari on iOS3/31/20251126
api.OffscreenCanvasRenderingContext2D.wordSpacing 📋Chrome3/1/2022 Safari on iOS3/31/20251126
api.PublicKeyCredential.parseCreationOptionsFromJSON_static 📋Chrome9/17/2024 Safari on iOS3/31/2025195
api.PublicKeyCredential.parseRequestOptionsFromJSON_static 📋Chrome9/17/2024 Safari on iOS3/31/2025195
api.PublicKeyCredential.toJSON 📋Chrome9/17/2024 Safari on iOS3/31/2025195
api.SVGImageElement.decode 📋Chrome1/23/2018 Safari on iOS3/31/20252624
api.ServiceWorkerGlobalScope.cookieStore 📋Chrome11/17/2020 Safari on iOS3/31/20251595
api.WakeLock 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLock.request 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLockSentinel 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLockSentinel.release 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLockSentinel.release_event 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLockSentinel.released 📋Chrome11/17/2020 Safari on iOS3/31/20251595
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.WakeLockSentinel.type 📋Chrome7/27/2020 Safari on iOS3/31/20251708
Safari on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.WebView on iOS: Does not work in standalone Home Screen Web Apps. See bug 254545.
api.Window.cookieStore 📋Chrome11/17/2020 Safari on iOS3/31/20251595
javascript.builtins.Atomics.pause 📋Chrome2/4/2025 Safari on iOS3/31/202555
javascript.builtins.Error.isError 📋Chrome3/4/2025 Safari on iOS3/31/202527
Node.js: Returns false for DOMException instances. See issue 56497.Safari: Returns false for DOMException instances.Safari on iOS: Returns false for DOMException instances.WebView on iOS: Returns false for DOMException instances.
javascript.builtins.Iterator.Iterator 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.drop 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.every 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.filter 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.find 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.flatMap 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.forEach 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.from 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.map 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.reduce 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.some 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.take 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.Iterator.toArray 📋Chrome2/20/2024 Safari on iOS3/31/2025405
javascript.builtins.JSON.parse.reviver_parameter_context_argument 📋Chrome5/30/2023 Safari on iOS3/31/2025671
api.CSSFontFeatureValuesRule 📋Safari on iOS12/13/2022 Chrome3/4/2025812
Chrome: Not exposed on Window. See bug 385925149.Chrome Android: Not exposed on Window. See bug 385925149.Edge: Not exposed on Window. See bug 385925149.Opera: Not exposed on Window. See bug 385925149.Opera Android: Not exposed on Window. See bug 385925149.Samsung Internet: Not exposed on Window. See bug 385925149.WebView Android: Not exposed on Window. See bug 385925149.

2025/2

API First Browser Date Last Browser Date Days Notes
api.ClipboardItem.ClipboardItem 📋Safari on iOS3/24/2020 Chrome2/4/20251778
Chrome: Only accepts a Blob or a Promise resolving to a Blob as the item data.Chrome: Only accepts a Blob as the item data. See bug 40103226.Chrome Android: The ClipboardItem constructor only accepts a blob as the item data, but not strings or Promises that resolve to strings or blobs. See bug 40103226.Edge: Only accepts a Blob or a Promise resolving to a Blob as the item data.Edge: Only accepts a Blob as the item data. See bug 40103226.Quest Browser: The ClipboardItem constructor only accepts a blob as the item data, but not strings or Promises that resolve to strings or blobs. See bug 40103226.Opera: Only accepts a Blob or a Promise resolving to a Blob as the item data.Opera: Only accepts a Blob as the item data. See bug 40103226.Opera Android: The ClipboardItem constructor only accepts a blob as the item data, but not strings or Promises that resolve to strings or blobs. See bug 40103226.Samsung Internet: The ClipboardItem constructor only accepts a blob as the item data, but not strings or Promises that resolve to strings or blobs. See bug 40103226.WebView Android: The ClipboardItem constructor only accepts a blob as the item data, but not strings or Promises that resolve to strings or blobs. See bug 40103226.
api.PublicKeyCredential.getClientCapabilities_static 📋Safari on iOS3/5/2024 Chrome2/4/2025336
api.SubtleCrypto.deriveBits.x25519 📋Safari on iOS9/18/2023 Chrome2/4/2025505
api.SubtleCrypto.deriveKey.x25519 📋Safari on iOS9/18/2023 Chrome2/4/2025505
api.SubtleCrypto.exportKey.x25519 📋Safari on iOS9/18/2023 Chrome2/4/2025505
api.SubtleCrypto.generateKey.x25519 📋Safari on iOS9/18/2023 Chrome2/4/2025505
api.SubtleCrypto.importKey.x25519 📋Safari on iOS9/18/2023 Chrome2/4/2025505

2025/1

API First Browser Date Last Browser Date Days Notes
api.HTMLElement.popover 📋Chrome5/30/2023 Safari on iOS1/27/2025608
Safari on iOS: On iOS and iPadOS, popovers are not dismissed when the user taps outside of the popover area, see bug 267688.WebView on iOS: On iOS and iPadOS, popovers are not dismissed when the user taps outside of the popover area, see bug 267688.
api.IDBRequest.error.transient_unrecoverable_read_errors 📋Safari on iOS9/17/2014 Chrome1/14/20253772
Chrome: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Chrome: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Chrome Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Chrome Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Opera: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Opera: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Opera Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Opera Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Samsung Internet: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Samsung Internet: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.WebView Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.WebView Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.
api.PushMessageData.bytes 📋Safari on iOS9/16/2024 Chrome1/14/2025120
api.Request.bytes 📋Safari on iOS9/16/2024 Chrome1/14/2025120
api.Response.bytes 📋Safari on iOS9/16/2024 Chrome1/14/2025120

2024/12

API First Browser Date Last Browser Date Days Notes
api.CSSNestedDeclarations 📋Chrome10/15/2024 Safari on iOS12/11/202457
api.CSSNestedDeclarations.style 📋Chrome10/15/2024 Safari on iOS12/11/202457
api.CSSViewTransitionRule 📋Chrome6/11/2024 Safari on iOS12/11/2024183
api.CSSViewTransitionRule.navigation 📋Chrome6/11/2024 Safari on iOS12/11/2024183
api.CSSViewTransitionRule.types 📋Chrome6/11/2024 Safari on iOS12/11/2024183
api.Document.startViewTransition.options_parameter 📋Chrome5/14/2024 Safari on iOS12/11/2024211
api.Document.startViewTransition.options_parameter.types_parameter 📋Chrome5/14/2024 Safari on iOS12/11/2024211
api.Document.startViewTransition.options_parameter.update_parameter 📋Chrome5/14/2024 Safari on iOS12/11/2024211
api.Element.auxclick_event 📋Chrome12/1/2016 Safari on iOS12/11/20242932
Firefox: Starting in Firefox 68, the auxclick event is used to trigger the new tab on middle-click action; previously, this had been done with the click event. Apps can prevent middle-click from opening new tabs (or middle-click to paste, if that feature is enabled) by intercepting auxclick on links, and auxclick event handlers can now open popups without triggering the popup blocker.
api.Element.auxclick_event.type_pointerevent Chrome7/20/2021 Safari on iOS12/11/20241240
api.Element.click_event.type_pointerevent Chrome7/20/2021 Safari on iOS12/11/20241240
api.HTMLLinkElement.blocking 📋Chrome9/2/2022 Safari on iOS12/11/2024831
api.HTMLScriptElement.blocking 📋Chrome9/2/2022 Safari on iOS12/11/2024831
api.HTMLStyleElement.blocking 📋Chrome9/2/2022 Safari on iOS12/11/2024831
api.PageRevealEvent 📋Chrome3/19/2024 Safari on iOS12/11/2024267
api.PageRevealEvent.PageRevealEvent 📋Chrome8/20/2024 Safari on iOS12/11/2024113
api.PageRevealEvent.viewTransition 📋Chrome6/11/2024 Safari on iOS12/11/2024183
api.PageSwapEvent 📋Chrome4/16/2024 Safari on iOS12/11/2024239
api.PageSwapEvent.PageSwapEvent 📋Chrome8/20/2024 Safari on iOS12/11/2024113
api.PageSwapEvent.activation 📋Chrome4/16/2024 Safari on iOS12/11/2024239
api.PageSwapEvent.viewTransition 📋Chrome6/11/2024 Safari on iOS12/11/2024183
api.PointerEvent.PointerEvent.options_altitudeAngle_parameter Chrome10/20/2020 Safari on iOS12/11/20241513
api.PointerEvent.PointerEvent.options_azimuthAngle_parameter Chrome10/20/2020 Safari on iOS12/11/20241513
api.PointerEvent.altitudeAngle 📋Chrome10/20/2020 Safari on iOS12/11/20241513
api.PointerEvent.azimuthAngle 📋Chrome10/20/2020 Safari on iOS12/11/20241513
api.PointerEvent.getCoalescedEvents 📋Chrome4/19/2017 Safari on iOS12/11/20242793
Firefox for Android: The method always returns an empty array, regardless of the user's actions.
api.PointerEvent.getPredictedEvents 📋Chrome9/10/2019 Safari on iOS12/11/20241919
api.ViewTransition.types 📋Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet 📋Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.@@iterator Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.add Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.clear Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.delete Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.entries Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.forEach Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.has Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.keys Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.size Chrome5/14/2024 Safari on iOS12/11/2024211
api.ViewTransitionTypeSet.values Chrome5/14/2024 Safari on iOS12/11/2024211
api.Window.pagereveal_event 📋Chrome3/19/2024 Safari on iOS12/11/2024267
api.Window.pageswap_event 📋Chrome4/16/2024 Safari on iOS12/11/2024239
Safari: Cross-origin navigation does not fire pageswap. See bug 306447.Safari on iOS: Cross-origin navigation does not fire pageswap. See bug 306447.WebView on iOS: Cross-origin navigation does not fire pageswap. See bug 306447.
javascript.builtins.Promise.try 📋Chrome8/20/2024 Safari on iOS12/11/2024113

2024/10

API First Browser Date Last Browser Date Days Notes
api.RTCDataChannel.transferable 📋Safari on iOS9/20/2021 Chrome10/15/20241121
javascript.builtins.Intl.Locale.getCalendars 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getCollations 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getHourCycles 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getNumberingSystems 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getTextInfo 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Deno: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getTimeZones 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.
javascript.builtins.Intl.Locale.getWeekInfo 📋Safari on iOS9/18/2023 Chrome10/15/2024393
Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Deno: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property.

2024/9

API First Browser Date Last Browser Date Days Notes
api.RTCDataChannel.binaryType.blob_value Safari on iOS9/19/2017 Chrome9/17/20242555
javascript.builtins.Intl.DurationFormat 📋Safari on iOS3/27/2023 Chrome9/17/2024540
javascript.builtins.Intl.DurationFormat.DurationFormat 📋Safari on iOS3/27/2023 Chrome9/17/2024540
javascript.builtins.Intl.DurationFormat.format 📋Safari on iOS3/27/2023 Chrome9/17/2024540
javascript.builtins.Intl.DurationFormat.formatToParts 📋Safari on iOS3/27/2023 Chrome9/17/2024540
javascript.builtins.Intl.DurationFormat.resolvedOptions 📋Safari on iOS3/27/2023 Chrome9/17/2024540
javascript.builtins.Intl.DurationFormat.supportedLocalesOf 📋Safari on iOS3/27/2023 Chrome9/17/2024540
api.CanvasRenderingContext2D.filter 📋Chrome7/20/2016 Safari on iOS9/16/20242980
api.ContentVisibilityAutoStateChangeEvent 📋Chrome11/29/2022 Safari on iOS9/16/2024657
api.ContentVisibilityAutoStateChangeEvent.ContentVisibilityAutoStateChangeEvent 📋Chrome11/29/2022 Safari on iOS9/16/2024657
api.ContentVisibilityAutoStateChangeEvent.skipped 📋Chrome11/29/2022 Safari on iOS9/16/2024657
api.CredentialsContainer.create.publicKey_option.extensions.prf 📋Chrome8/15/2023 Safari on iOS9/16/2024398
Firefox: Not supported on macOS.
api.Document.startViewTransition 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.Document.startViewTransition.updateCallback_parameter 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.Element.ariaBrailleLabel 📋Chrome10/25/2022 Safari on iOS9/16/2024692
api.Element.ariaBrailleRoleDescription 📋Chrome10/25/2022 Safari on iOS9/16/2024692
api.Element.attachShadow.options_serializable_parameter 📋Chrome5/14/2024 Safari on iOS9/16/2024125
api.Element.contentvisibilityautostatechange_event 📋Chrome11/29/2022 Safari on iOS9/16/2024657
Firefox: The oncontentvisibilityautostatechange event handler property is not supported.Firefox for Android: The oncontentvisibilityautostatechange event handler property is not supported.
api.Element.getHTML 📋Chrome5/14/2024 Safari on iOS9/16/2024125
api.ElementInternals.ariaBrailleLabel 📋Chrome10/25/2022 Safari on iOS9/16/2024692
api.ElementInternals.ariaBrailleRoleDescription 📋Chrome10/25/2022 Safari on iOS9/16/2024692
api.GeolocationCoordinates.toJSON 📋Chrome6/11/2024 Safari on iOS9/16/202497
api.GeolocationPosition.toJSON 📋Chrome6/11/2024 Safari on iOS9/16/202497
api.HTMLCanvasElement.getContext.2d_context.options_willReadFrequently_parameter 📋Chrome3/1/2022 Safari on iOS9/16/2024930
api.HTMLElement.writingSuggestions 📋Chrome4/16/2024 Safari on iOS9/16/2024153
api.HTMLInputElement.selectionchange_event 📋Chrome7/23/2024 Safari on iOS9/16/202455
Chrome: Before Chrome 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Chrome Android: Before Chrome Android 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Edge: Before Edge 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Opera: Before Opera 113, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Opera Android: Before Opera Android 84, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Safari: Before Safari 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <input> elements.Safari on iOS: Before Safari on iOS 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <input> elements.Samsung Internet: Before Samsung Internet 28.0, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.WebView Android: Before WebView Android 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.WebView on iOS: Before WebView on iOS 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <input> elements.
api.HTMLTemplateElement.shadowRootClonable 📋Chrome4/16/2024 Safari on iOS9/16/2024153
api.HTMLTemplateElement.shadowRootDelegatesFocus 📋Chrome3/19/2024 Safari on iOS9/16/2024181
api.HTMLTemplateElement.shadowRootSerializable 📋Chrome5/14/2024 Safari on iOS9/16/2024125
api.HTMLTextAreaElement.selectionchange_event 📋Chrome7/23/2024 Safari on iOS9/16/202455
Chrome: Before Chrome 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Chrome Android: Before Chrome Android 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Edge: Before Edge 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Opera: Before Opera 113, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Opera Android: Before Opera Android 84, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Safari: Before Safari 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <textarea> elements.Safari on iOS: Before Safari on iOS 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <textarea> elements.Samsung Internet: Before Samsung Internet 28.0, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.WebView Android: Before WebView Android 127, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.WebView on iOS: Before WebView on iOS 18, a selectionchange event was fired on Document, see Document's selectionchange event. See bug 271033 for firing the event on <textarea> elements.
api.MediaSource.canConstructInDedicatedWorker_static 📋Chrome11/29/2022 Safari on iOS9/16/2024657
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.handle 📋Chrome11/29/2022 Safari on iOS9/16/2024657
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSourceHandle 📋Chrome11/29/2022 Safari on iOS9/16/2024657
api.MediaStreamTrackProcessor 📋Chrome9/21/2021 Safari on iOS9/16/20241091
Chrome: Exposed on Window instead of DedicatedWorker.Chrome Android: Exposed on Window instead of DedicatedWorker.Edge: Exposed on Window instead of DedicatedWorker.Quest Browser: Exposed on Window instead of DedicatedWorker.Opera: Exposed on Window instead of DedicatedWorker.Opera Android: Exposed on Window instead of DedicatedWorker.Samsung Internet: Exposed on Window instead of DedicatedWorker.WebView Android: Exposed on Window instead of DedicatedWorker.
api.MediaStreamTrackProcessor.MediaStreamTrackProcessor 📋Chrome9/21/2021 Safari on iOS9/16/20241091
Chrome: Exposed on Window instead of DedicatedWorker.Chrome Android: Exposed on Window instead of DedicatedWorker.Edge: Exposed on Window instead of DedicatedWorker.Quest Browser: Exposed on Window instead of DedicatedWorker.Opera: Exposed on Window instead of DedicatedWorker.Opera Android: Exposed on Window instead of DedicatedWorker.Samsung Internet: Exposed on Window instead of DedicatedWorker.WebView Android: Exposed on Window instead of DedicatedWorker.
api.MediaStreamTrackProcessor.readable 📋Chrome9/21/2021 Safari on iOS9/16/20241091
api.Navigator.cookieEnabled 📋Chrome12/11/2008 Safari on iOS9/16/20245758
Firefox: Before Firefox 8, navigator.cookieEnabled would report the wrong result if a site exception was in place for the page on which the check was performed. This has been fixed.Firefox for Android: Before Firefox for Android 8, navigator.cookieEnabled would report the wrong result if a site exception was in place for the page on which the check was performed. This has been fixed.Internet Explorer: navigator.cookieEnabled returns true even if the browser is set to block cookies (for example, if the page is in the Restricted sites security zone).Safari: Returns true even if the browser is set to block cookies if navigator.cookieEnabled is invoked inside a third-party iframe)Safari on iOS: Returns true even if the browser is set to block cookies if navigator.cookieEnabled is invoked inside a third-party iframe)WebView on iOS: Returns true even if the browser is set to block cookies if navigator.cookieEnabled is invoked inside a third-party iframe)
api.PopStateEvent.hasUAVisualTransition 📋Chrome10/10/2023 Safari on iOS9/16/2024342
api.ShadowRoot.getHTML 📋Chrome5/14/2024 Safari on iOS9/16/2024125
api.ShadowRoot.serializable 📋Chrome5/14/2024 Safari on iOS9/16/2024125
api.URL.parse_static 📋Chrome6/11/2024 Safari on iOS9/16/202497
api.ViewTransition 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.ViewTransition.finished 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.ViewTransition.ready 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.ViewTransition.skipTransition 📋Chrome3/7/2023 Safari on iOS9/16/2024559
api.ViewTransition.updateCallbackDone 📋Chrome3/7/2023 Safari on iOS9/16/2024559

2024/8

API First Browser Date Last Browser Date Days Notes
api.MediaSession.setActionHandler.skipad_type Safari on iOS9/20/2021 Chrome8/20/20241065
api.Navigator.canShare 📋Safari on iOS9/16/2020 Chrome8/20/20241434
Chrome: Only supported on ChromeOS and Windows, see bug 40542648 and bug 40729163.Edge: Only supported on Windows.Opera: Only supported on ChromeOS and Windows, see bug 40542648 and bug 40729163.
api.Navigator.share 📋Safari on iOS3/25/2019 Chrome8/20/20241975
Chrome: Only supported on ChromeOS and Windows, see bug 40542648 and bug 40729163.Edge: Only supported on Windows.Opera: Only supported on ChromeOS and Windows, see bug 40542648 and bug 40729163.

2024/5

API First Browser Date Last Browser Date Days Notes
api.WebSocket.WebSocket.url_parameter_http_https_relative Safari on iOS1/22/2024 Chrome5/14/2024113
javascript.regular_expressions.named_capturing_group.duplicate_named_capturing_groups Safari on iOS9/18/2023 Chrome5/14/2024239
api.CSSImportRule.supportsText 📋Chrome1/23/2024 Safari on iOS5/13/2024111
api.CSSStartingStyleRule 📋Chrome9/12/2023 Safari on iOS5/13/2024244
api.VTTCue.text.all_html_character_references Chrome12/6/2017 Safari on iOS5/13/20242350

2024/4

API First Browser Date Last Browser Date Days Notes
api.AbortSignal.timeout_static 📋Safari on iOS9/12/2022 Chrome4/16/2024582
Chrome: Always aborts with an AbortError on timeout, not a TimeoutError.Chrome Android: Always aborts with an AbortError on timeout, not a TimeoutError.Edge: Always aborts with an AbortError on timeout, not a TimeoutError.Quest Browser: Always aborts with an AbortError on timeout, not a TimeoutError.Opera: Always aborts with an AbortError on timeout, not a TimeoutError.Opera Android: Always aborts with an AbortError on timeout, not a TimeoutError.Samsung Internet: Always aborts with an AbortError on timeout, not a TimeoutError.WebView Android: Always aborts with an AbortError on timeout, not a TimeoutError.
api.Element.attachShadow.options_clonable_parameter 📋Safari on iOS3/5/2024 Chrome4/16/202442
api.ShadowRoot.clonable 📋Safari on iOS3/5/2024 Chrome4/16/202442
api.WEBGL_compressed_texture_pvrtc 📋Safari on iOS9/18/2013 Chrome4/16/20243863
Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only.

2024/3

API First Browser Date Last Browser Date Days Notes
api.CSSKeyframesRule.length 📋Safari on iOS9/18/2023 Chrome3/19/2024183
javascript.statements.import.import_attributes 📋Safari on iOS12/11/2023 Chrome3/19/202499
javascript.statements.import.import_attributes.type_json Safari on iOS12/11/2023 Chrome3/19/202499
api.AbortSignal.any_static 📋Chrome8/15/2023 Safari on iOS3/5/2024203
api.CSSScopeRule 📋Chrome10/10/2023 Safari on iOS3/5/2024147
api.CSSScopeRule.end 📋Chrome10/10/2023 Safari on iOS3/5/2024147
api.CSSScopeRule.start 📋Chrome10/10/2023 Safari on iOS3/5/2024147
api.CustomStateSet 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.@@iterator 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.add 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.clear 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.delete 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.entries 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.forEach 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.has 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.keys 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.size 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.CustomStateSet.values 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.DOMMatrixReadOnly.scaleNonUniform 📋Chrome3/12/2019 Safari on iOS3/5/20241820
api.Element.ariaDescription 📋Chrome5/19/2020 Safari on iOS3/5/20241386
api.Element.checkVisibility 📋Chrome9/2/2022 Safari on iOS3/5/2024550
api.Element.checkVisibility.options_checkOpacity_parameter 📋Chrome9/2/2022 Safari on iOS3/5/2024550
api.Element.checkVisibility.options_checkVisibilityCSS_parameter 📋Chrome9/2/2022 Safari on iOS3/5/2024550
api.Element.checkVisibility.options_contentVisibilityAuto_parameter 📋Chrome1/23/2024 Safari on iOS3/5/202442
api.Element.checkVisibility.options_opacityProperty_parameter 📋Chrome1/23/2024 Safari on iOS3/5/202442
api.Element.checkVisibility.options_visibilityProperty_parameter 📋Chrome1/23/2024 Safari on iOS3/5/202442
api.ElementInternals.states 📋Chrome4/13/2021 Safari on iOS3/5/20241057
api.SVGFESpecularLightingElement.kernelUnitLengthX 📋Chrome9/1/2015 Safari on iOS3/5/20243108
api.SVGFESpecularLightingElement.kernelUnitLengthY 📋Chrome9/1/2015 Safari on iOS3/5/20243108
javascript.builtins.ArrayBuffer.detached 📋Chrome5/30/2023 Safari on iOS3/5/2024280
javascript.builtins.ArrayBuffer.transfer 📋Chrome5/30/2023 Safari on iOS3/5/2024280
javascript.builtins.ArrayBuffer.transferToFixedLength 📋Chrome5/30/2023 Safari on iOS3/5/2024280
javascript.builtins.Map.groupBy 📋Chrome9/12/2023 Safari on iOS3/5/2024175
javascript.builtins.Object.groupBy 📋Chrome9/12/2023 Safari on iOS3/5/2024175
javascript.builtins.Promise.withResolvers 📋Chrome10/31/2023 Safari on iOS3/5/2024126

2024/2

API First Browser Date Last Browser Date Days Notes
javascript.builtins.Set.difference 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.intersection 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.isDisjointFrom 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.isSubsetOf 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.isSupersetOf 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.symmetricDifference 📋Safari on iOS9/18/2023 Chrome2/20/2024155
javascript.builtins.Set.union 📋Safari on iOS9/18/2023 Chrome2/20/2024155

2024/1

API First Browser Date Last Browser Date Days Notes
api.HTMLMediaElement.disableRemotePlayback 📋Safari on iOS9/19/2019 Chrome1/23/20241587
api.HTMLMediaElement.remote 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.cancelWatchAvailability 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.connect_event 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.connecting_event 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.disconnect_event 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.prompt 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.state 📋Safari on iOS3/24/2020 Chrome1/23/20241400
api.RemotePlayback.watchAvailability 📋Safari on iOS3/24/2020 Chrome1/23/20241400
javascript.builtins.Array.fromAsync 📋Safari on iOS3/27/2023 Chrome1/23/2024302

2023/12

API First Browser Date Last Browser Date Days Notes
api.CSS.cap_static 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.CSS.highlights_static 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.CSS.rcap_static 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.CSS.rch_static 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.CSS.rex_static 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.CSS.ric_static 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.CanvasRenderingContext2D.reset 📋Chrome3/1/2022 Safari on iOS12/11/2023650
api.HTMLDetailsElement.name 📋Chrome12/5/2023 Safari on iOS12/11/20236
api.HTMLImageElement.fetchPriority 📋Chrome5/24/2022 Safari on iOS12/11/2023566
api.HTMLLinkElement.fetchPriority 📋Chrome5/24/2022 Safari on iOS12/11/2023566
api.HTMLLinkElement.imageSizes 📋Chrome3/12/2019 Safari on iOS12/11/20231735
api.HTMLLinkElement.imageSrcset 📋Chrome3/12/2019 Safari on iOS12/11/20231735
api.HTMLMediaElement.preservesPitch 📋Chrome10/20/2020 Safari on iOS12/11/20231147
api.HTMLScriptElement.fetchPriority 📋Chrome5/24/2022 Safari on iOS12/11/2023566
api.Highlight 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.@@iterator Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.Highlight 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.add Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.clear Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.delete Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.entries Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.forEach Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.has Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.keys Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.priority 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.size Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.type 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.Highlight.values Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry 📋Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.@@iterator Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.clear Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.delete Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.entries Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.forEach Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.get Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.has Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.keys Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.set Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.size Chrome9/2/2022 Safari on iOS12/11/2023465
api.HighlightRegistry.values Chrome9/2/2022 Safari on iOS12/11/2023465
api.OffscreenCanvasRenderingContext2D.reset 📋Chrome3/1/2022 Safari on iOS12/11/2023650
api.Request.Request.init_priority_parameter 📋Chrome4/26/2022 Safari on iOS12/11/2023594
api.SVGImageElement.crossOrigin 📋Chrome10/10/2023 Safari on iOS12/11/202362
api.createImageBitmap.svgimageelement_as_source_image Chrome6/5/2017 Safari on iOS12/11/20232380
api.fetch.init_priority_parameter Chrome4/26/2022 Safari on iOS12/11/2023594
javascript.builtins.Error.captureStackTrace 📋Chrome9/15/2009 Safari on iOS12/11/20235200
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingMode_parameter Chrome9/12/2023 Safari on iOS12/11/202390
api.FontFaceSet.check 📋Safari on iOS9/13/2016 Chrome12/5/20232639
Chrome: Prior to version 120, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Chrome Android: Prior to version 120, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Edge: Prior to version 120, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Quest Browser: Prior to version false, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Opera: Prior to version 106, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Opera Android: Prior to version 80, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.Samsung Internet: Prior to version 25.0, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.WebView Android: Prior to version 120, this method returned false instead of true for nonexistent or locally installed fonts. See bug 40893726.
api.URL.canParse_static 📋Safari on iOS9/18/2023 Chrome12/5/202378

2023/10

API First Browser Date Last Browser Date Days Notes
api.BeforeUnloadEvent.returnValue 📋Safari on iOS9/18/2013 Chrome10/31/20233695
Chrome: Before Chrome 119, an empty string incorrectly activated the confirmation dialog.Chrome Android: Before Chrome Android 119, an empty string incorrectly activated the confirmation dialog.Quest Browser: Before Quest Browser false, an empty string incorrectly activated the confirmation dialog.Opera: Before Opera 105, an empty string incorrectly activated the confirmation dialog.Opera Android: Before Opera Android 79, an empty string incorrectly activated the confirmation dialog.WebView Android: Before WebView Android 119, an empty string incorrectly activated the confirmation dialog.
api.Document.hasStorageAccess 📋Safari on iOS3/29/2018 Chrome10/31/20232042
api.Document.requestStorageAccess 📋Safari on iOS3/29/2018 Chrome10/31/20232042
Safari: Client-side storage access is granted per-page (see explanation).Safari on iOS: Client-side storage access is granted per-page (see explanation).WebView on iOS: Client-side storage access is granted per-page (see explanation).
api.CSS.ic_static 📋Safari on iOS3/27/2023 Chrome10/10/2023197
api.CSS.lh_static 📋Safari on iOS3/27/2023 Chrome10/10/2023197
api.CSS.rlh_static 📋Safari on iOS3/27/2023 Chrome10/10/2023197
api.TextMetrics.alphabeticBaseline 📋Safari on iOS3/29/2018 Chrome10/10/20232021
api.TextMetrics.hangingBaseline 📋Safari on iOS3/29/2018 Chrome10/10/20232021
api.TextMetrics.ideographicBaseline 📋Safari on iOS3/29/2018 Chrome10/10/20232021

2023/9

API First Browser Date Last Browser Date Days Notes
api.BarcodeDetector 📋Chrome1/19/2021 Safari on iOS9/18/2023972
Chrome: Supported on ChromeOS and macOS only.Chrome: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611.Chrome: Supported on macOS only.Edge: Supported on macOS only.Edge: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611.Opera: Supported on macOS only.Opera: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611.
api.BarcodeDetector.BarcodeDetector 📋Chrome1/19/2021 Safari on iOS9/18/2023972
Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only.
api.BarcodeDetector.detect 📋Chrome1/19/2021 Safari on iOS9/18/2023972
Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only.
api.BarcodeDetector.getSupportedFormats_static 📋Chrome1/19/2021 Safari on iOS9/18/2023972
Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only.
api.CSSContainerRule.containerName 📋Chrome3/7/2023 Safari on iOS9/18/2023195
api.CSSContainerRule.containerQuery 📋Chrome3/7/2023 Safari on iOS9/18/2023195
api.CSSCounterStyleRule 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.additiveSymbols 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.fallback 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.name 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.negative 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.pad 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.prefix 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.range 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.speakAs 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.suffix 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.symbols 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CSSCounterStyleRule.system 📋Chrome5/25/2021 Safari on iOS9/18/2023846
api.CanvasRenderingContext2D.drawImage.SVGImageElement_source_image Chrome6/5/2017 Safari on iOS9/18/20232296
api.CredentialsContainer.create.publicKey_option.extensions.largeBlob 📋Chrome5/2/2023 Safari on iOS9/18/2023139
api.CredentialsContainer.preventSilentAccess 📋Chrome7/25/2017 Safari on iOS9/18/20232246
Safari: This method exists, but always rejected with a NotSupportedError exception.Safari on iOS: This method exists, but always rejected with a NotSupportedError exception.WebView on iOS: This method exists, but always rejected with a NotSupportedError exception.
api.CustomElementRegistry.getName 📋Chrome9/12/2023 Safari on iOS9/18/20236
Safari: Supports 'Autonomous custom elements' but not 'Customized built-in elements'.Safari on iOS: Supports 'Autonomous custom elements' but not 'Customized built-in elements'.WebView on iOS: Supports 'Autonomous custom elements' but not 'Customized built-in elements'.
api.HTMLButtonElement.popoverTargetAction 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLButtonElement.popoverTargetElement 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.beforetoggle_event 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.beforetoggle_event.popover_elements 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.hidePopover 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.showPopover 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.togglePopover 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLElement.togglePopover.force_parameter 📋Chrome8/15/2023 Safari on iOS9/18/202334
api.HTMLElement.togglePopover.returns_boolean Chrome8/15/2023 Safari on iOS9/18/202334
api.HTMLElement.toggle_event.popover_elements 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLInputElement.popoverTargetAction 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.HTMLInputElement.popoverTargetElement 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.Headers.getSetCookie 📋Chrome5/2/2023 Safari on iOS9/18/2023139
api.InputDeviceInfo.getCapabilities 📋Chrome5/29/2018 Safari on iOS9/18/20231938
api.MouseEvent.movementX 📋Chrome8/26/2014 Safari on iOS9/18/20233310
api.MouseEvent.movementY 📋Chrome8/26/2014 Safari on iOS9/18/20233310
api.OffscreenCanvas.getContext.webgl2_context Chrome9/4/2018 Safari on iOS9/18/20231840
api.OffscreenCanvas.getContext.webgl_context Chrome9/4/2018 Safari on iOS9/18/20231840
api.Permissions.permission_push Chrome5/19/2015 Safari on iOS9/18/20233044
Firefox: Alias for the notifications permission (returns the same value).Firefox for Android: Alias for the notifications permission (returns the same value).
api.RTCStatsReport.type_inbound-rtp.mid 📋Chrome9/2/2022 Safari on iOS9/18/2023381
api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request Chrome9/2/2022 Safari on iOS9/18/2023381
Chrome: Before version 105, releaseLock() throws instead of rejecting.Chrome Android: Before version 105, releaseLock() throws instead of rejecting.Edge: Before version 105, releaseLock() throws instead of rejecting.Opera: Before version 91, releaseLock() throws instead of rejecting.Opera Android: Before version 72, releaseLock() throws instead of rejecting.Samsung Internet: Before version 20.0, releaseLock() throws instead of rejecting.WebView Android: Before version 105, releaseLock() throws instead of rejecting.
api.Response.json_static 📋Chrome9/2/2022 Safari on iOS9/18/2023381
api.Selection.removeRange 📋Chrome4/19/2017 Safari on iOS9/18/20232343
api.StorageManager.estimate 📋Chrome9/5/2017 Safari on iOS9/18/20232204
api.ToggleEvent 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.ToggleEvent.ToggleEvent 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.ToggleEvent.newState 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.ToggleEvent.oldState 📋Chrome5/30/2023 Safari on iOS9/18/2023111
api.URLSearchParams.delete.value_parameter Chrome9/12/2023 Safari on iOS9/18/20236
api.URLSearchParams.has.value_parameter Chrome9/12/2023 Safari on iOS9/18/20236
api.URLSearchParams.size 📋Chrome5/2/2023 Safari on iOS9/18/2023139
api.VideoColorSpace.VideoColorSpace 📋Chrome9/21/2021 Safari on iOS9/18/2023727
api.createImageBitmap.options_premultiplyAlpha_parameter Chrome7/20/2016 Safari on iOS9/18/20232616
Safari: If the source image is an ImageData object, then the premultiplyAlpha option does nothing. See bug 237082.Safari on iOS: If the source image is an ImageData object, then the premultiplyAlpha option does nothing. See bug 237082.WebView on iOS: If the source image is an ImageData object, then the premultiplyAlpha option does nothing. See bug 237082.
javascript.builtins.AggregateError.serializable_object Chrome2/1/2022 Safari on iOS9/18/2023594
Chrome: AggregateError serializes to the Error type, without additional properties.Chrome Android: AggregateError serializes to the Error type, without additional properties.Edge: AggregateError serializes to the Error type, without additional properties.Firefox: AggregateError serializes to the AggregateError type, with properties name, message, cause, and errors.Firefox for Android: AggregateError serializes to the AggregateError type, with properties name, message, cause, and errors.Quest Browser: AggregateError serializes to the Error type, without additional properties.Opera: AggregateError serializes to the Error type, without additional properties.Opera Android: AggregateError serializes to the Error type, without additional properties.Samsung Internet: AggregateError serializes to the Error type, without additional properties.WebView Android: AggregateError serializes to the Error type, without additional properties.
javascript.builtins.Function.toString.toString_revision Chrome4/17/2018 Safari on iOS9/18/20231980
javascript.builtins.RegExp.unicodeSets 📋Chrome4/4/2023 Safari on iOS9/18/2023167

2023/5

API First Browser Date Last Browser Date Days Notes
api.CSSStyleRule.cssRules 📋Chrome4/4/2023 Safari on iOS5/18/202344
api.CSSStyleRule.deleteRule 📋Chrome4/4/2023 Safari on iOS5/18/202344
api.CSSStyleRule.insertRule 📋Chrome4/4/2023 Safari on iOS5/18/202344
api.HTMLInputElement.cancel_event 📋Safari on iOS3/27/2023 Chrome5/2/202336

2023/4

API First Browser Date Last Browser Date Days Notes
api.FormData.FormData.submitter Safari on iOS3/27/2023 Chrome4/4/20238
api.createImageBitmap.options_imageOrientation_parameter.from-image Safari on iOS9/12/2022 Chrome4/4/2023204

2023/3

API First Browser Date Last Browser Date Days Notes
api.CSS.Hz_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.Q_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.ch_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.cm_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.cqb_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.cqh_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.cqi_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.cqmax_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.cqmin_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.cqw_static 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.CSS.deg_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.dpcm_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.dpi_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.dppx_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.dvb_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.dvh_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.dvi_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.dvmax_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.dvmin_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.dvw_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.em_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.ex_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.fr_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.grad_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.in_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.kHz_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.lvb_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.lvh_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.lvi_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.lvmax_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.lvmin_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.lvw_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.mm_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.ms_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.number_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.pc_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.percent_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.pt_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.px_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.rad_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.registerProperty_static 📋Chrome10/22/2019 Safari on iOS3/27/20231252
api.CSS.rem_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.s_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.svb_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.svh_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.svi_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.svmax_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.svmin_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.svw_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.turn_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.vb_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.vh_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.vi_static 📋Chrome11/29/2022 Safari on iOS3/27/2023118
api.CSS.vmax_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.vmin_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSS.vw_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSImageValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSKeywordValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSKeywordValue.CSSKeywordValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSKeywordValue.value 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathClamp 📋Chrome3/29/2022 Safari on iOS3/27/2023363
api.CSSMathClamp.CSSMathClamp 📋Chrome3/29/2022 Safari on iOS3/27/2023363
api.CSSMathClamp.lower 📋Chrome3/29/2022 Safari on iOS3/27/2023363
api.CSSMathClamp.upper 📋Chrome3/29/2022 Safari on iOS3/27/2023363
api.CSSMathClamp.value 📋Chrome3/29/2022 Safari on iOS3/27/2023363
api.CSSMathInvert 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathInvert.CSSMathInvert 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathInvert.value 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathMax 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathMax.values 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathMin 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathMin.values 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathNegate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathNegate.CSSMathNegate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathNegate.value 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathProduct 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathProduct.values 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathSum 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathSum.values 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMathValue.operator 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMatrixComponent 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMatrixComponent.CSSMatrixComponent 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSMatrixComponent.matrix 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.@@iterator Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.entries Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.forEach Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.keys Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.length 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericArray.values Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.add 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.div 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.equals 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.max 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.min 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.mul 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.parse_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
Chrome: Not exposed to PaintWorklet.Chrome Android: Not exposed to PaintWorklet.Edge: Not exposed to PaintWorklet.Quest Browser: Not exposed to PaintWorklet.Opera: Not exposed to PaintWorklet.Opera Android: Not exposed to PaintWorklet.Samsung Internet: Not exposed to PaintWorklet.WebView Android: Not exposed to PaintWorklet.
api.CSSNumericValue.sub 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.to 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.toSum 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSNumericValue.type 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSPerspective 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSPerspective.CSSPerspective 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSPerspective.length 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSPropertyRule 📋Chrome8/25/2020 Safari on iOS3/27/2023944
api.CSSPropertyRule.inherits 📋Chrome8/25/2020 Safari on iOS3/27/2023944
api.CSSPropertyRule.initialValue 📋Chrome8/25/2020 Safari on iOS3/27/2023944
api.CSSPropertyRule.name 📋Chrome8/25/2020 Safari on iOS3/27/2023944
api.CSSPropertyRule.syntax 📋Chrome8/25/2020 Safari on iOS3/27/2023944
api.CSSRotate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSRotate.CSSRotate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSRotate.angle 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSRotate.x 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSRotate.y 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSRotate.z 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSScale 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSScale.CSSScale 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSScale.x 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSScale.y 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSScale.z 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkew 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkew.CSSSkew 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkew.ax 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkew.ay 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewX 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewX.CSSSkewX 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewX.ax 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewY 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewY.CSSSkewY 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSSkewY.ay 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSStyleRule.styleMap 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSStyleSheet.CSSStyleSheet 📋Chrome3/12/2019 Safari on iOS3/27/20231476
api.CSSStyleSheet.replace 📋Chrome3/12/2019 Safari on iOS3/27/20231476
Firefox: Before Firefox 121, when calling replace() repeatedly, the style is applied, but the change is not reflected in the CSS Object Model. See bug 1864815.Firefox for Android: Before Firefox for Android 121, when calling replace() repeatedly, the style is applied, but the change is not reflected in the CSS Object Model. See bug 1864815.
api.CSSStyleSheet.replaceSync 📋Chrome3/12/2019 Safari on iOS3/27/20231476
api.CSSStyleValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSStyleValue.parseAll_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSStyleValue.parse_static 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSStyleValue.toString 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformComponent 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformComponent.is2D 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformComponent.toMatrix 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformComponent.toString 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.@@iterator Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.CSSTransformValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.entries Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.forEach Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.is2D 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.keys Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.length 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.toMatrix 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTransformValue.values Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTranslate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTranslate.CSSTranslate 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTranslate.x 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTranslate.y 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSTranslate.z 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnitValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnitValue.CSSUnitValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnitValue.unit 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnitValue.value 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.@@iterator Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.CSSUnparsedValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.entries Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.forEach Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.keys Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.length 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSUnparsedValue.values Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSVariableReferenceValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSVariableReferenceValue.CSSVariableReferenceValue 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSVariableReferenceValue.fallback 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CSSVariableReferenceValue.variable 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.CompressionStream 📋Chrome2/4/2020 Safari on iOS3/27/20231147
Node.js: Available as a part of the stream/web module.
api.CompressionStream.CompressionStream 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.CompressionStream.CompressionStream.deflate 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.CompressionStream.CompressionStream.deflate-raw 📋Chrome6/21/2022 Safari on iOS3/27/2023279
api.CompressionStream.CompressionStream.gzip 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.CompressionStream.readable 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.CompressionStream.writable 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DecompressionStream 📋Chrome2/4/2020 Safari on iOS3/27/20231147
Node.js: Available as a part of the stream/web module.
api.DecompressionStream.DecompressionStream 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DecompressionStream.DecompressionStream.deflate 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DecompressionStream.DecompressionStream.deflate-raw 📋Chrome6/21/2022 Safari on iOS3/27/2023279
api.DecompressionStream.DecompressionStream.gzip 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DecompressionStream.readable 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DecompressionStream.writable 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.DedicatedWorkerGlobalScope.cancelAnimationFrame 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.DedicatedWorkerGlobalScope.messageerror_event 📋Chrome7/25/2017 Safari on iOS3/27/20232071
api.DedicatedWorkerGlobalScope.requestAnimationFrame 📋Chrome9/4/2018 Safari on iOS3/27/20231665
Chrome: Not supported in nested Web Workers. See bug 41483010.Chrome Android: Not supported in nested Web Workers. See bug 41483010.Edge: Not supported in nested Web Workers. See bug 41483010.Quest Browser: Not supported in nested Web Workers. See bug 41483010.Opera: Not supported in nested Web Workers. See bug 41483010.Opera Android: Not supported in nested Web Workers. See bug 41483010.Samsung Internet: Not supported in nested Web Workers. See bug 41483010.
api.Document.adoptedStyleSheets 📋Chrome3/12/2019 Safari on iOS3/27/20231476
api.Document.adoptedStyleSheets.mutable 📋Chrome3/1/2022 Safari on iOS3/27/2023391
api.Document.exitFullscreen 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Document.exitFullscreen.returns_promise Chrome9/4/2018 Safari on iOS3/27/20231665
api.Document.fullscreen 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Document.fullscreenElement 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.WebView on iOS: Only available on iPad, not on iPhone.WebView on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.WebView on iOS: Only available on iPad, not on iPhone.
api.Document.fullscreenEnabled 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Document.fullscreenchange_event 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Document.fullscreenerror_event 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Element.computedStyleMap 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.Element.fullscreenchange_event 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Element.fullscreenerror_event 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone.
api.Element.requestFullscreen 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Firefox: Before Firefox 44, Firefox incorrectly allowed elements inside a <frame> or <object> element to request, and to be granted, fullscreen. In Firefox 44 and onwards this has been fixed: only elements in the top-level document or in an <iframe> element with the allowfullscreen attribute can be displayed fullscreen.Firefox for Android: Before Firefox for Android 44, Firefox for Android incorrectly allowed elements inside a <frame> or <object> element to request, and to be granted, fullscreen. In Firefox for Android 44 and onwards this has been fixed: only elements in the top-level document or in an <iframe> element with the allowfullscreen attribute can be displayed fullscreen.Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.Safari on iOS: Only available on iPad, not on iPhone. Shows an overlay button which can not be disabled.
api.Element.requestFullscreen.returns_promise Chrome12/4/2018 Safari on iOS3/27/20231574
api.ElementInternals 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.ariaAtomic 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaAutoComplete 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaBusy 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaChecked 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaColCount 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaColIndex 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaColSpan 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaCurrent 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaDisabled 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaExpanded 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaHasPopup 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaHidden 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaInvalid 📋Chrome5/24/2022 Safari on iOS3/27/2023307
api.ElementInternals.ariaKeyShortcuts 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaLabel 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaLevel 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaLive 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaModal 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaMultiLine 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaMultiSelectable 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaOrientation 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaPlaceholder 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaPosInSet 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaPressed 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaReadOnly 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRelevant Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRequired 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRoleDescription 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRowCount 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRowIndex 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaRowSpan 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaSelected 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaSetSize 📋Chrome7/27/2020 Safari on iOS3/27/2023973
api.ElementInternals.ariaSort 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaValueMax 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaValueMin 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaValueNow 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.ariaValueText 📋Chrome4/7/2020 Safari on iOS3/27/20231084
api.ElementInternals.checkValidity 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.form 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.labels 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.reportValidity 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.role 📋Chrome6/21/2022 Safari on iOS3/27/2023279
api.ElementInternals.setFormValue 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.setValidity 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.shadowRoot 📋Chrome1/19/2021 Safari on iOS3/27/2023797
api.ElementInternals.validationMessage 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.validity 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.ElementInternals.willValidate 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.EncodedVideoChunk 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.EncodedVideoChunk 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.byteLength 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.copyTo 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.duration 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.timestamp 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.EncodedVideoChunk.type 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.FileSystemDirectoryHandle.@@asyncIterator 📋Chrome10/20/2020 Safari on iOS3/27/2023888
api.FileSystemSyncAccessHandle.close.sync_version Chrome11/29/2022 Safari on iOS3/27/2023118
api.FileSystemSyncAccessHandle.flush.sync_version Chrome11/29/2022 Safari on iOS3/27/2023118
api.FileSystemSyncAccessHandle.getSize.sync_version Chrome11/29/2022 Safari on iOS3/27/2023118
api.FileSystemSyncAccessHandle.truncate.sync_version Chrome11/29/2022 Safari on iOS3/27/2023118
api.HTMLCanvasElement.transferControlToOffscreen 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.HTMLElement.attachInternals 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.HTMLElement.attributeStyleMap 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.HTMLIFrameElement.loading 📋Chrome9/10/2019 Safari on iOS3/27/20231294
api.HTMLSlotElement.assign 📋Chrome7/20/2021 Safari on iOS3/27/2023615
Chrome: Before Chrome 95, the method accepted any Node instead of just Element and Text.Chrome: Accepted sequence<Node> instead of (Element or Text)....Chrome Android: Before Chrome Android 95, the method accepted any Node instead of just Element and Text.Chrome Android: Accepted sequence<Node> instead of (Element or Text)....Edge: Before Edge 95, the method accepted any Node instead of just Element and Text.Edge: Accepted sequence<Node> instead of (Element or Text)....Quest Browser: Before Quest Browser 18.0, the method accepted any Node instead of just Element and Text.Quest Browser: Accepted sequence<Node> instead of (Element or Text)....Opera: Before Opera 81, the method accepted any Node instead of just Element and Text.Opera: Accepted sequence<Node> instead of (Element or Text)....Opera Android: Before Opera Android 67, the method accepted any Node instead of just Element and Text.Opera Android: Accepted sequence<Node> instead of (Element or Text)....Samsung Internet: Before Samsung Internet 17.0, the method accepted any Node instead of just Element and Text.Samsung Internet: Accepted sequence<Node> instead of (Element or Text)....WebView Android: Before WebView Android 95, the method accepted any Node instead of just Element and Text.WebView Android: Accepted sequence<Node> instead of (Element or Text)....
api.HTMLTemplateElement.shadowRootMode 📋Chrome3/7/2023 Safari on iOS3/27/202320
api.InputEvent.isComposing 📋Chrome7/25/2017 Safari on iOS3/27/20232071
api.MathMLElement.attributeStyleMap 📋Chrome1/10/2023 Safari on iOS3/27/202376
api.MessagePort.messageerror_event 📋Chrome7/25/2017 Safari on iOS3/27/20232071
Node.js: Supports the event, but only via Node EventEmitter.Node.js: Supports the event, but only via Node EventEmitter.
api.Navigator.clearAppBadge 📋Chrome4/7/2020 Safari on iOS3/27/20231084
Chrome: Windows and macOS since Chrome 81.Chrome: ChromeOS since Chrome 91.Chrome: Linux offers no universal badging API on the operating system level.Edge: Windows and macOS since Edge 81.Edge: ChromeOS since Edge 91.Edge: Linux offers no universal badging API on the operating system level.Safari: Badging is supported for installed web apps on macOS Sonoma and higher.Safari on iOS: Badging is supported for web apps saved to the home screen.WebView on iOS: Badging is supported for web apps saved to the home screen.
api.Navigator.pdfViewerEnabled 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.Navigator.setAppBadge 📋Chrome4/7/2020 Safari on iOS3/27/20231084
Chrome: Windows and macOS since Chrome 81.Chrome: ChromeOS since Chrome 91.Chrome: Linux offers no universal badging API on the operating system level.Edge: Windows and macOS since Edge 81.Edge: ChromeOS since Edge 91.Edge: Linux offers no universal badging API on the operating system level.Safari: Badging is supported for installed web apps on macOS Sonoma and higher.Safari: Passing 0 as an argument will clear the badge instead of displaying an unnumbered dot.Safari on iOS: Badging is supported for web apps saved to the home screen.Safari on iOS: Passing 0 as an argument will clear the badge instead of displaying an unnumbered dot.WebView on iOS: Badging is supported for web apps saved to the home screen.
api.Navigator.userActivation 📋Chrome1/29/2019 Safari on iOS3/27/20231518
api.Notification 📋Chrome6/26/2012 Safari on iOS3/27/20233926
Chrome: Starting in Chrome 49, notifications do not work in incognito mode.Chrome: Before Chrome 42, service worker additions were not supported.Chrome Android: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Quest Browser: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Opera: Starting in Opera 36, notifications do not work in incognito mode.Opera: Before Opera 29, service worker additions were not supported.Opera Android: Notifications in Opera for Android are only available through service workers. To show notifications on Android, see ServiceWorkerRegistration.showNotification().Opera Android: Starting in Opera for Android 36, notifications do not work in incognito mode.Safari on iOS: The Notification interface is undefined, unless the page is a web app saved to the home screen. The app's manifest must have a non-default display value.Safari on iOS: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Samsung Internet: Notifications in Samsung Internet are only available through service workers. To show notifications on Android, see ServiceWorkerRegistration.showNotification().Samsung Internet: Starting in Samsung Internet 5.0, notifications do not work in incognito mode.
api.Notification.Notification 📋Chrome6/26/2012 Safari on iOS3/27/20233926
Chrome Android: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Chrome Android: This constructor always throws a TypeError exception.Quest Browser: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Quest Browser: This constructor always throws a TypeError exception.Opera Android: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Opera Android: This constructor always throws a TypeError exception.Safari on iOS: This constructor throws a ReferenceError exception, unless the page is a web app saved to the home screen. The app's manifest must have a non-default display value.Safari on iOS: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Samsung Internet: A notification can only be sent from a service worker. To show a notification, see ServiceWorkerRegistration.showNotification().Samsung Internet: This constructor always throws a TypeError exception.
api.Notification.body 📋Chrome2/20/2014 Safari on iOS3/27/20233322
api.Notification.click_event 📋Chrome6/26/2012 Safari on iOS3/27/20233926
api.Notification.close 📋Chrome6/26/2012 Safari on iOS3/27/20233926
api.Notification.close_event 📋Chrome6/26/2012 Safari on iOS3/27/20233926
api.Notification.data 📋Chrome7/21/2015 Safari on iOS3/27/20232806
api.Notification.dir 📋Chrome6/26/2012 Safari on iOS3/27/20233926
api.Notification.error_event 📋Chrome6/26/2012 Safari on iOS3/27/20233926
api.Notification.permission_static 📋Chrome1/14/2014 Safari on iOS3/27/20233359
Safari on iOS: The parent Notification interface is undefined unless the page is a web app saved to the home screen. The app's manifest must have a non-default display value.
api.Notification.requestPermission_static 📋Chrome6/26/2012 Safari on iOS3/27/20233926
Firefox: From Firefox 70 onwards, cannot be called from a cross-origin iframe.Firefox: From Firefox 72 onwards, can only be called in response to a user gesture such as a click event.Firefox for Android: From Firefox Android 79 onwards, cannot be called from a cross-origin iframe.Firefox for Android: From Firefox Android 79 onwards, can only be called in response to a user gesture such as a click event.Safari: Only supported the deprecated callback syntax.Safari on iOS: The parent Notification interface is undefined unless the page is a web app saved to the home screen. The app's manifest must have a non-default display value.
api.Notification.requestPermission_static.returns_promise Chrome12/1/2015 Safari on iOS3/27/20232673
api.NotificationEvent 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.NotificationEvent.NotificationEvent 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.OffscreenCanvas 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.OffscreenCanvas 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.convertToBlob 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.getContext 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.getContext.2d_context Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.getContext.bitmaprenderer_context Chrome7/30/2019 Safari on iOS3/27/20231336
api.OffscreenCanvas.height 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.transferToImageBitmap 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvas.width 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.arc 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.arcTo 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.beginPath 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.bezierCurveTo 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.canvas 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.clearRect 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.clip 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.closePath 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.createConicGradient 📋Chrome3/1/2022 Safari on iOS3/27/2023391
api.OffscreenCanvasRenderingContext2D.createImageData 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.createLinearGradient 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.createPattern 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.createRadialGradient 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.direction 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.drawImage 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.ellipse 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.fill 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.fillRect 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.fillStyle 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.fillText 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.getImageData 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.getLineDash 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.getTransform 📋Chrome2/4/2020 Safari on iOS3/27/20231147
api.OffscreenCanvasRenderingContext2D.globalAlpha 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.globalCompositeOperation 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.imageSmoothingEnabled 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.imageSmoothingQuality 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.isPointInPath 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.isPointInStroke 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.lineCap 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.lineDashOffset 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.lineJoin 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.lineTo 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.lineWidth 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.measureText 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.miterLimit 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.moveTo 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.putImageData 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.quadraticCurveTo 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.rect 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.resetTransform 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.restore 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.rotate 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.roundRect 📋Chrome3/1/2022 Safari on iOS3/27/2023391
api.OffscreenCanvasRenderingContext2D.save 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.scale 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.setLineDash 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.setTransform 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.shadowBlur 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.shadowColor 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.shadowOffsetX 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.shadowOffsetY 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.stroke 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.strokeRect 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.strokeStyle 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.strokeText 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.textAlign 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.textBaseline 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.transform 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.OffscreenCanvasRenderingContext2D.translate 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.PerformanceResourceTiming.decodedBodySize 📋Chrome10/12/2016 Safari on iOS3/27/20232357
api.PerformanceResourceTiming.encodedBodySize 📋Chrome10/12/2016 Safari on iOS3/27/20232357
api.PerformanceResourceTiming.serverTiming 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PerformanceResourceTiming.transferSize 📋Chrome10/12/2016 Safari on iOS3/27/20232357
api.PerformanceServerTiming 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PerformanceServerTiming.description 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PerformanceServerTiming.duration 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PerformanceServerTiming.name 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PerformanceServerTiming.toJSON 📋Chrome3/6/2018 Safari on iOS3/27/20231847
api.PermissionStatus.change_event 📋Chrome5/19/2015 Safari on iOS3/27/20232869
Safari: The onchange event handler is supported, but the event never fires. See bug 259432.Safari on iOS: The onchange event handler is supported, but the event never fires. See bug 259432.WebView on iOS: The onchange event handler is supported, but the event never fires. See bug 259432.
api.Permissions.permission_notifications Chrome5/19/2015 Safari on iOS3/27/20232869
Firefox: Alias for the push permission (returns the same value).Firefox for Android: Alias for the push permission (returns the same value).
api.Permissions.permission_screen-wake-lock 📋Chrome7/27/2020 Safari on iOS3/27/2023973
Firefox: The value is recognized, but has no effect.Firefox for Android: The value is recognized, but has no effect.
api.PushEvent 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushEvent.PushEvent 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushEvent.data 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushManager 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushManager.getSubscription 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushManager.permissionState 📋Chrome7/21/2015 Safari on iOS3/27/20232806
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushManager.subscribe 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Chrome: The options parameter with a applicationServerKey value is required.Chrome Android: The options parameter with a applicationServerKey value is required.Edge: The options parameter with a applicationServerKey value is required.Firefox: From Firefox 72 onwards, can only be called in response to a user gesture such as a click event.Firefox for Android: From Firefox Android 79 onwards, can only be called in response to a user gesture such as a click event.Quest Browser: The options parameter with a applicationServerKey value is required.Opera Android: The options parameter with a applicationServerKey value is required.Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.Samsung Internet: The options parameter with a applicationServerKey value is required.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushManager.supportedContentEncodings_static 📋Chrome7/25/2017 Safari on iOS3/27/20232071
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushMessageData 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushMessageData.arrayBuffer 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushMessageData.blob 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushMessageData.json 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushMessageData.text 📋Chrome4/13/2016 Safari on iOS3/27/20232539
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.endpoint 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.expirationTime 📋Chrome7/25/2017 Safari on iOS3/27/20232071
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.getKey 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.options 📋Chrome10/12/2016 Safari on iOS3/27/20232357
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.toJSON 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscription.unsubscribe 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionOptions 📋Chrome10/12/2016 Safari on iOS3/27/20232357
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionOptions.applicationServerKey 📋Chrome10/12/2016 Safari on iOS3/27/20232357
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.PushSubscriptionOptions.userVisibleOnly 📋Chrome10/12/2016 Safari on iOS3/27/20232357
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.RTCIceTransport.getSelectedCandidatePair 📋Chrome6/4/2019 Safari on iOS3/27/20231392
api.RTCIceTransport.selectedcandidatepairchange_event 📋Chrome6/4/2019 Safari on iOS3/27/20231392
api.RTCStatsReport.type_inbound-rtp.trackIdentifier 📋Chrome9/2/2022 Safari on iOS3/27/2023206
api.RTCStatsReport.type_outbound-rtp.targetBitrate 📋Chrome2/1/2022 Safari on iOS3/27/2023419
api.Report 📋Chrome9/4/2018 Safari on iOS3/27/20231665
Firefox: Worker support added in version 77
api.Report.body 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.Report.toJSON Chrome9/4/2018 Safari on iOS3/27/20231665
api.Report.type 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.Report.url 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportBody 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportBody.toJSON Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportingObserver 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportingObserver.ReportingObserver 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportingObserver.disconnect 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportingObserver.observe 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.ReportingObserver.takeRecords 📋Chrome9/4/2018 Safari on iOS3/27/20231665
api.SVGElement.attributeStyleMap 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.SVGStyleElement.sheet 📋Chrome10/7/2014 Safari on iOS3/27/20233093
api.Screen.orientation 📋Chrome10/7/2014 Safari on iOS3/27/20233093
Edge: Edge does not return an Orientation object; instead, it returns the orientation type as a string.Internet Explorer: Not supported on Windows 7.
api.ScreenOrientation 📋Chrome10/7/2014 Safari on iOS3/27/20233093
api.ScreenOrientation.angle 📋Chrome10/7/2014 Safari on iOS3/27/20233093
api.ScreenOrientation.change_event 📋Chrome10/7/2014 Safari on iOS3/27/20233093
api.ScreenOrientation.type 📋Chrome10/7/2014 Safari on iOS3/27/20233093
api.ServiceWorkerContainer.messageerror_event 📋Chrome2/4/2020 Safari on iOS3/27/20231147
Safari: Although the onmessageerror event handler property is supported, the messageerror event is never fired.Safari on iOS: Although the onmessageerror event handler property is supported, the messageerror event is never fired.
api.ServiceWorkerGlobalScope.push_event 📋Chrome1/21/2015 Safari on iOS3/27/20232987
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.ServiceWorkerRegistration.getNotifications 📋Chrome1/21/2015 Safari on iOS3/27/20232987
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.ServiceWorkerRegistration.pushManager 📋Chrome1/21/2015 Safari on iOS3/27/20232987
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.ServiceWorkerRegistration.showNotification 📋Chrome4/14/2015 Safari on iOS3/27/20232904
Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen.
api.ShadowRoot.adoptedStyleSheets 📋Chrome3/12/2019 Safari on iOS3/27/20231476
api.ShadowRoot.fullscreenElement 📋Chrome12/4/2018 Safari on iOS3/27/20231574
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.WebView on iOS: Only available on iPad, not on iPhone.WebView on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.
api.ShadowRoot.slotAssignment 📋Chrome10/20/2020 Safari on iOS3/27/2023888
api.StylePropertyMap 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMap.append 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMap.clear 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMap.delete 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMap.set 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.@@iterator Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.entries Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.forEach Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.get 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.getAll 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.has 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.keys Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.size 📋Chrome4/17/2018 Safari on iOS3/27/20231805
api.StylePropertyMapReadOnly.values Chrome4/17/2018 Safari on iOS3/27/20231805
api.UserActivation 📋Chrome1/29/2019 Safari on iOS3/27/20231518
api.UserActivation.hasBeenActive 📋Chrome1/29/2019 Safari on iOS3/27/20231518
api.UserActivation.isActive 📋Chrome1/29/2019 Safari on iOS3/27/20231518
api.VideoDecoder 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.VideoDecoder 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.close 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.configure 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.decode 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.decodeQueueSize 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.dequeue_event 📋Chrome9/27/2022 Safari on iOS3/27/2023181
api.VideoDecoder.flush 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.isConfigSupported_static 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.reset 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoDecoder.state 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.VideoEncoder 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.close 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.configure 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.dequeue_event 📋Chrome9/27/2022 Safari on iOS3/27/2023181
api.VideoEncoder.encode 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.encodeQueueSize 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.flush 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.isConfigSupported_static 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.reset 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoEncoder.state 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.VideoFrame 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.allocationSize 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.clone 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.close 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.codedHeight 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.codedRect 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.codedWidth 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.colorSpace 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.copyTo 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.displayHeight 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.displayWidth 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.duration 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.format 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.timestamp 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.VideoFrame.visibleRect 📋Chrome9/21/2021 Safari on iOS3/27/2023552
api.WebGL2RenderingContext.drawingBufferColorSpace 📋Chrome8/2/2022 Safari on iOS3/27/2023237
Firefox: Accidental early exposure with no functionality.Firefox for Android: Accidental early exposure with no functionality.
api.WebGLRenderingContext.drawingBufferColorSpace 📋Chrome8/2/2022 Safari on iOS3/27/2023237
Firefox: Accidental early exposure with no functionality.Firefox for Android: Accidental early exposure with no functionality.
api.Window.messageerror_event 📋Chrome7/25/2017 Safari on iOS3/27/20232071
api.Worker.worker_support Chrome9/4/2018 Safari on iOS3/27/20231665
Chrome: Not available in Shared Workers. See bug 40695450.Chrome Android: Not available in Shared Workers. See bug 40695450.Edge: Not available in Shared Workers. See bug 40695450.Quest Browser: Not available in Shared Workers. See bug 40695450.Opera: Not available in Shared Workers. See bug 40695450.Opera Android: Not available in Shared Workers. See bug 40695450.Safari: Not available in Shared Workers. See bug 265263.Safari on iOS: Not available in Shared Workers. See bug 265263.Samsung Internet: Not available in Shared Workers. See bug 40695450.WebView Android: Not available in Shared Workers. See bug 40695450.WebView on iOS: Not available in Shared Workers. See bug 265263.
api.WorkerNavigator.permissions 📋Chrome5/19/2015 Safari on iOS3/27/20232869
api.WritableStreamDefaultController.signal 📋Chrome2/1/2022 Safari on iOS3/27/2023419
javascript.builtins.ArrayBuffer.ArrayBuffer.maxByteLength_option 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.ArrayBuffer.maxByteLength 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.ArrayBuffer.resizable 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.ArrayBuffer.resize 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.Atomics.waitAsync 📋Chrome4/13/2021 Safari on iOS3/27/2023713
Chrome: The Atomics.waitAsync() method never times out. See bug 40742782.Chrome Android: The Atomics.waitAsync() method never times out. See bug 40742782.Edge: The Atomics.waitAsync() method never times out. See bug 40742782.Quest Browser: The Atomics.waitAsync() method never times out. See bug 40742782.Opera Android: The Atomics.waitAsync() method never times out. See bug 40742782.WebView Android: The Atomics.waitAsync() method never times out. See bug 40742782.
javascript.builtins.FinalizationRegistry.register.symbol_as_target Chrome1/10/2023 Safari on iOS3/27/202376
javascript.builtins.FinalizationRegistry.unregister.symbol_as_target Chrome1/10/2023 Safari on iOS3/27/202376
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_useGrouping_parameter.string_values Chrome9/27/2022 Safari on iOS3/27/2023181
javascript.builtins.SharedArrayBuffer.SharedArrayBuffer.maxByteLength_option 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.SharedArrayBuffer.grow 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.SharedArrayBuffer.growable 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.SharedArrayBuffer.maxByteLength 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.String.isWellFormed 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.String.toWellFormed 📋Chrome3/7/2023 Safari on iOS3/27/202320
javascript.builtins.WeakMap.symbol_as_keys Chrome1/10/2023 Safari on iOS3/27/202376
javascript.builtins.WeakRef.WeakRef.symbol_as_target Chrome1/10/2023 Safari on iOS3/27/202376
javascript.builtins.WeakSet.symbol_as_keys Chrome1/10/2023 Safari on iOS3/27/202376
javascript.classes.static.initialization_blocks 📋Chrome9/21/2021 Safari on iOS3/27/2023552
javascript.operators.import_meta.resolve 📋Chrome9/2/2022 Safari on iOS3/27/2023206
Node.js: Returns a URL object instead of a string.
javascript.regular_expressions.lookbehind_assertion 📋Chrome10/17/2017 Safari on iOS3/27/20231987
api.CSSFontFeatureValuesRule.fontFamily 📋Safari on iOS12/13/2022 Chrome3/7/202384

2023/2

API First Browser Date Last Browser Date Days Notes
javascript.builtins.Array.toReversed 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.Array.toSorted 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.Array.toSpliced 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.Array.with 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.TypedArray.toReversed 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.TypedArray.toSorted 📋Safari on iOS9/12/2022 Chrome2/7/2023148
javascript.builtins.TypedArray.with 📋Safari on iOS9/12/2022 Chrome2/7/2023148

2023/1

API First Browser Date Last Browser Date Days Notes
api.MathMLElement 📋Safari on iOS3/24/2020 Chrome1/10/20231022
api.MathMLElement.autofocus 📋Safari on iOS3/14/2022 Chrome1/10/2023302
api.MathMLElement.blur 📋Safari on iOS3/24/2020 Chrome1/10/20231022
api.MathMLElement.dataset 📋Safari on iOS3/24/2020 Chrome1/10/20231022
api.MathMLElement.focus 📋Safari on iOS3/24/2020 Chrome1/10/20231022
api.MathMLElement.nonce 📋Safari on iOS3/14/2022 Chrome1/10/2023302
api.MathMLElement.style 📋Safari on iOS3/24/2020 Chrome1/10/20231022
api.MathMLElement.tabIndex 📋Safari on iOS3/24/2020 Chrome1/10/20231022

2022/11

API First Browser Date Last Browser Date Days Notes
api.HTMLFormElement.rel 📋Safari on iOS3/14/2022 Chrome11/29/2022260
api.HTMLFormElement.relList 📋Safari on iOS3/14/2022 Chrome11/29/2022260
api.HTMLMediaElement.srcObject 📋Safari on iOS9/19/2017 Chrome11/29/20221897
Chrome: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Chrome: Support added for MediaStream objects (see bug 41186131).Chrome Android: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Chrome Android: Support added for MediaStream objects (see bug 41186131).Edge: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Edge: Support added for MediaStream objects (see bug 41186131).Firefox: Only supports MediaStream objects (see bug 886194).Firefox for Android: Only supports MediaStream objects (see bug 886194).Quest Browser: Support added for MediaStream objects (see bug 41186131).Opera: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Opera: Support added for MediaStream objects (see bug 41186131).Opera Android: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Opera Android: Support added for MediaStream objects (see bug 41186131).Samsung Internet: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).Samsung Internet: Support added for MediaStream objects (see bug 41186131).WebView Android: Support added for MediaSourceHandle objects transferred from dedicated workers where they were obtained from MediaSource.handle (see bug 40591101).WebView Android: Support added for MediaStream objects (see bug 41186131).
api.PublicKeyCredential.isConditionalMediationAvailable_static 📋Safari on iOS9/12/2022 Chrome11/29/202278

2022/10

API First Browser Date Last Browser Date Days Notes
api.MediaStreamTrack.applyConstraints.displaySurface_constraint 📋Safari on iOS3/29/2018 Chrome10/25/20221671
api.CanvasRenderingContext2D.createConicGradient 📋Chrome3/1/2022 Safari on iOS10/24/2022237
Firefox: Implements an older version of the specification. The gradient starts from a line going vertically up from the center, like the equivalent CSS function.Firefox for Android: Implements an older version of the specification. The gradient starts from a line going vertically up from the center, like the equivalent CSS function.Safari: Implements an older version of the specification. The gradient starts from a line going vertically up from the center, like the equivalent CSS function.Safari on iOS: Implements an older version of the specification. The gradient starts from a line going vertically up from the center, like the equivalent CSS function.WebView on iOS: Implements an older version of the specification. The gradient starts from a line going vertically up from the center, like the equivalent CSS function.

2022/9

API First Browser Date Last Browser Date Days Notes
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingIncrement_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingMode_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingPriority_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_signDisplay_parameter.negative Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_trailingZeroDisplay_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.format.number_parameter-string_decimal Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.formatRange 📋Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.NumberFormat.formatRangeToParts 📋Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingPriority_parameter Safari on iOS3/14/2022 Chrome9/27/2022197
javascript.builtins.Intl.PluralRules.selectRange 📋Safari on iOS3/14/2022 Chrome9/27/2022197
api.AuthenticatorAttestationResponse.getAuthenticatorData 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.AuthenticatorAttestationResponse.getPublicKey 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.AuthenticatorAttestationResponse.getPublicKeyAlgorithm 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.AuthenticatorAttestationResponse.getTransports 📋Chrome4/23/2019 Safari on iOS9/12/20221238
api.CSSContainerRule 📋Chrome9/2/2022 Safari on iOS9/12/202210
api.CanvasRenderingContext2D.roundRect 📋Chrome3/1/2022 Safari on iOS9/12/2022195
api.EXT_texture_norm16 📋Chrome11/17/2020 Safari on iOS9/12/2022664
api.Element.animate.options_composite_parameter 📋Chrome7/27/2020 Safari on iOS9/12/2022777
api.Element.animate.options_timeline_parameter 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.FetchEvent.handled 📋Chrome10/20/2020 Safari on iOS9/12/2022692
api.FetchEvent.resultingClientId 📋Chrome1/29/2019 Safari on iOS9/12/20221322
api.HTMLBaseElement.href.forbid_special_characters Chrome9/5/2017 Safari on iOS9/12/20221833
api.HTMLFormElement.requestSubmit 📋Chrome7/30/2019 Safari on iOS9/12/20221140
api.HTMLInputElement.showPicker 📋Chrome3/1/2022 Safari on iOS9/12/2022195
api.HTMLInputElement.showPicker.file_input Chrome3/1/2022 Safari on iOS9/12/2022195
api.HTMLScriptElement.supports_static 📋Chrome11/15/2021 Safari on iOS9/12/2022301
api.KeyframeEffect.composite 📋Chrome7/27/2020 Safari on iOS9/12/2022777
api.Navigator.permissions 📋Chrome5/19/2015 Safari on iOS9/12/20222673
api.OES_draw_buffers_indexed 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.blendEquationSeparateiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.blendEquationiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.blendFuncSeparateiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.blendFunciOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.colorMaskiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.disableiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.OES_draw_buffers_indexed.enableiOES 📋Chrome3/29/2022 Safari on iOS9/12/2022167
api.Path2D.roundRect 📋Chrome3/1/2022 Safari on iOS9/12/2022195
api.PermissionStatus 📋Chrome5/19/2015 Safari on iOS9/12/20222673
api.PermissionStatus.name 📋Chrome1/4/2022 Safari on iOS9/12/2022251
api.PermissionStatus.state 📋Chrome7/21/2015 Safari on iOS9/12/20222610
api.Permissions 📋Chrome5/19/2015 Safari on iOS9/12/20222673
api.Permissions.permission_camera Chrome1/23/2018 Safari on iOS9/12/20221693
api.Permissions.permission_geolocation Chrome5/19/2015 Safari on iOS9/12/20222673
api.Permissions.permission_microphone Chrome1/23/2018 Safari on iOS9/12/20221693
api.Permissions.query 📋Chrome5/19/2015 Safari on iOS9/12/20222673
api.PictureInPictureEvent 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.PictureInPictureEvent.PictureInPictureEvent 📋Chrome8/25/2020 Safari on iOS9/12/2022748
api.SharedWorker 📋Chrome5/25/2010 Safari on iOS9/12/20224493
api.SharedWorker.SharedWorker 📋Chrome5/25/2010 Safari on iOS9/12/20224493
api.SharedWorker.error_event 📋Chrome5/25/2010 Safari on iOS9/12/20224493
api.SharedWorker.port 📋Chrome5/25/2010 Safari on iOS9/12/20224493
api.SharedWorkerGlobalScope 📋Chrome1/25/2010 Safari on iOS9/12/20224613
api.SharedWorkerGlobalScope.close 📋Chrome1/25/2010 Safari on iOS9/12/20224613
api.SharedWorkerGlobalScope.connect_event 📋Chrome1/25/2010 Safari on iOS9/12/20224613
Firefox: Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec.Firefox for Android: Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec.
api.SharedWorkerGlobalScope.name 📋Chrome1/25/2010 Safari on iOS9/12/20224613
api.SpeechSynthesis.voiceschanged_event 📋Chrome2/20/2014 Safari on iOS9/12/20223126
api.SpeechSynthesisErrorEvent.SpeechSynthesisErrorEvent 📋Chrome12/4/2018 Safari on iOS9/12/20221378
api.SpeechSynthesisEvent.SpeechSynthesisEvent 📋Chrome12/4/2018 Safari on iOS9/12/20221378
api.SpeechSynthesisEvent.charLength 📋Chrome9/10/2019 Safari on iOS9/12/20221098
api.SpeechSynthesisEvent.utterance 📋Chrome2/20/2014 Safari on iOS9/12/20223126
api.WindowClient.navigate 📋Chrome3/2/2016 Safari on iOS9/12/20222385
Safari: This method exists, but always throws NotSupportedError.Safari on iOS: This method exists, but always throws NotSupportedError.
api.WorkerGlobalScope.importScripts.mime_checks Chrome12/4/2018 Safari on iOS9/12/20221378
javascript.classes.public_class_fields 📋Chrome1/29/2019 Safari on iOS9/12/20221322
Safari: Parentheses in field initializers can lead to ReferenceErrors. See bug 236843.Safari: Doesn't support public static fields. See bug 194095.Safari on iOS: Parentheses in field initializers can lead to ReferenceErrors. See bug 236843.Safari on iOS: Doesn't support public static fields. See bug 194095.WebView on iOS: Parentheses in field initializers can lead to ReferenceErrors. See bug 236843.WebView on iOS: Doesn't support public static fields. See bug 194095.
api.Request.body 📋Safari on iOS3/29/2018 Chrome9/2/20221618

2022/6

API First Browser Date Last Browser Date Days Notes
api.Element.role 📋Safari on iOS3/25/2019 Chrome6/21/20221184

2022/5

API First Browser Date Last Browser Date Days Notes
api.Element.ariaInvalid 📋Safari on iOS3/25/2019 Chrome5/24/20221156
api.FileSystemFileHandle.createSyncAccessHandle 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.close 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.flush 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.getSize 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.read 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.truncate 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.FileSystemSyncAccessHandle.write 📋Safari on iOS12/13/2021 Chrome5/24/2022162
api.HTMLElement.inert 📋Safari on iOS5/16/2022 Chrome5/24/20228
api.HTMLElement.focus.options_preventScroll_parameter Chrome1/23/2018 Safari on iOS5/16/20221574
api.PublicKeyCredential.authenticatorAttachment 📋Chrome2/1/2022 Safari on iOS5/16/2022104
api.SVGElement.focus.options_preventScroll_parameter Chrome10/22/2019 Safari on iOS5/16/2022937

2022/4

API First Browser Date Last Browser Date Days Notes
api.CSSFontPaletteValuesRule 📋Safari on iOS3/14/2022 Chrome4/26/202243
api.CSSFontPaletteValuesRule.basePalette 📋Safari on iOS3/14/2022 Chrome4/26/202243
api.CSSFontPaletteValuesRule.fontFamily 📋Safari on iOS3/14/2022 Chrome4/26/202243
api.CSSFontPaletteValuesRule.name 📋Safari on iOS3/14/2022 Chrome4/26/202243
api.CSSFontPaletteValuesRule.overrideColors 📋Safari on iOS3/14/2022 Chrome4/26/202243
api.MediaCapabilities.encodingInfo 📋Safari on iOS3/14/2022 Chrome4/26/202243
Firefox: The webrtc value of the type option is named transmission.Firefox for Android: The webrtc value of the type option is named transmission.

2022/3

API First Browser Date Last Browser Date Days Notes
api.AbortSignal.throwIfAborted 📋Safari on iOS3/14/2022 Chrome3/29/202215
api.Window.moveTo.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Chrome: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Chrome Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Edge: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Firefox: Multi-screen coordinates are used, but windows are clamped to their existing displays.Firefox for Android: Multi-screen coordinates are used, but windows are clamped to their existing displays.Quest Browser: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Opera: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Opera Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.Samsung Internet: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.WebView Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Window.open.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Chrome: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Chrome Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Edge: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Quest Browser: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Opera: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Opera Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.Samsung Internet: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.WebView Android: Without the window-management permission, multi-screen coordinates are used, but windows are clamped to their existing displays.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Window.screenLeft.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Window.screenTop.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Window.screenX.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Window.screenY.relative-multi-screen Safari on iOS6/29/2007 Chrome3/29/20225387
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.AbortController.abort.reason_parameter 📋Chrome2/1/2022 Safari on iOS3/14/202241
api.AbortSignal.abort_static.reason_parameter 📋Chrome2/1/2022 Safari on iOS3/14/202241
api.AbortSignal.reason 📋Chrome2/1/2022 Safari on iOS3/14/202241
api.BroadcastChannel 📋Chrome10/12/2016 Safari on iOS3/14/20221979
Node.js: Available as a part of the worker_threads module.
api.BroadcastChannel.BroadcastChannel 📋Chrome10/12/2016 Safari on iOS3/14/20221979
api.BroadcastChannel.close 📋Chrome10/12/2016 Safari on iOS3/14/20221979
api.BroadcastChannel.message_event 📋Chrome10/12/2016 Safari on iOS3/14/20221979
api.BroadcastChannel.messageerror_event 📋Chrome7/25/2017 Safari on iOS3/14/20221693
api.BroadcastChannel.name 📋Chrome10/12/2016 Safari on iOS3/14/20221979
api.BroadcastChannel.postMessage 📋Chrome10/12/2016 Safari on iOS3/14/20221979
api.CSSImportRule.layerName 📋Chrome3/1/2022 Safari on iOS3/14/202213
api.CSSLayerBlockRule 📋Chrome3/1/2022 Safari on iOS3/14/202213
api.CSSLayerBlockRule.name 📋Chrome3/1/2022 Safari on iOS3/14/202213
api.CSSLayerStatementRule 📋Chrome3/1/2022 Safari on iOS3/14/202213
api.CSSLayerStatementRule.nameList 📋Chrome3/1/2022 Safari on iOS3/14/202213
api.Crypto.randomUUID 📋Chrome7/20/2021 Safari on iOS3/14/2022237
Node.js: Since 14.17.0 and 15.6.0, a similar method is available via the crypto module.
api.Document.securitypolicyviolation_event 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.FetchEvent.preloadResponse 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.HTMLDialogElement 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.cancel_event 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.close 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.close_event 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.open 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.returnValue 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.show 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLDialogElement.showModal 📋Chrome8/26/2014 Safari on iOS3/14/20222757
api.HTMLElement.autofocus 📋Chrome12/10/2019 Safari on iOS3/14/2022825
Chrome: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Chrome Android: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Edge: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Firefox: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Firefox for Android: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Internet Explorer: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Quest Browser: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Opera: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Opera Android: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Safari: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Safari on iOS: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.Samsung Internet: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.WebView Android: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.WebView on iOS: Supported for HTMLButtonElement, HTMLInputElement, HTMLSelectElement, and HTMLTextAreaElement.
api.HTMLElement.nonce 📋Chrome9/5/2017 Safari on iOS3/14/20221651
Safari: The property is defined only for its useful elements: <link>, <script>, and <style>; it is undefined for all other elements.Safari on iOS: The property is defined only for its useful elements: <link>, <script>, and <style>; it is undefined for all other elements.WebView on iOS: The property is defined only for its useful elements: <link>, <script>, and <style>; it is undefined for all other elements.
api.HTMLImageElement.loading 📋Chrome9/10/2019 Safari on iOS3/14/2022916
api.HTMLVideoElement.cancelVideoFrameCallback 📋Chrome5/19/2020 Safari on iOS3/14/2022664
api.HTMLVideoElement.requestVideoFrameCallback 📋Chrome5/19/2020 Safari on iOS3/14/2022664
api.Lock 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.Lock.mode 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.Lock.name 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.LockManager 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.LockManager.query 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.LockManager.request 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.NavigationPreloadManager 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.NavigationPreloadManager.disable 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.NavigationPreloadManager.enable 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.NavigationPreloadManager.getState 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.NavigationPreloadManager.setHeaderValue 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.Navigator.hardwareConcurrency 📋Chrome8/26/2014 Safari on iOS3/14/20222757
Safari: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.Safari on iOS: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.WebView on iOS: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.
api.Navigator.locks 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.RTCDataChannel.closing_event 📋Chrome4/7/2020 Safari on iOS3/14/2022706
api.RTCDtlsTransport 📋Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCDtlsTransport.error_event Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCDtlsTransport.getRemoteCertificates 📋Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCDtlsTransport.iceTransport 📋Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCDtlsTransport.state 📋Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCDtlsTransport.statechange_event Chrome1/29/2019 Safari on iOS3/14/20221140
api.RTCEncodedAudioFrame 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedAudioFrame.data 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedAudioFrame.getMetadata 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedAudioFrame.timestamp Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedVideoFrame 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedVideoFrame.data 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedVideoFrame.getMetadata 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedVideoFrame.timestamp Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCEncodedVideoFrame.type 📋Chrome10/20/2020 Safari on iOS3/14/2022510
api.RTCError 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.RTCError 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.errorDetail 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.receivedAlert 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.sctpCauseCode 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.sdpLineNumber 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCError.sentAlert 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCErrorEvent 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCErrorEvent.RTCErrorEvent 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCErrorEvent.error 📋Chrome4/23/2019 Safari on iOS3/14/20221056
api.RTCIceTransport.gatheringstatechange_event 📋Chrome6/4/2019 Safari on iOS3/14/20221014
api.RTCIceTransport.statechange_event 📋Chrome6/4/2019 Safari on iOS3/14/20221014
api.RTCPeerConnection.canTrickleIceCandidates 📋Chrome5/19/2020 Safari on iOS3/14/2022664
api.RTCPeerConnection.sctp 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCPeerConnection.setRemoteDescription.implicit_rollback Chrome2/4/2020 Safari on iOS3/14/2022769
api.RTCRtpReceiver.transport 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.RTCRtpSender.transport 📋Chrome6/4/2019 Safari on iOS3/14/20221014
api.RTCSctpTransport 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCSctpTransport.maxChannels 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCSctpTransport.maxMessageSize 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCSctpTransport.state 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCSctpTransport.statechange_event Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCSctpTransport.transport 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.RTCStatsReport.type_inbound-rtp.packetsDiscarded 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.RTCStatsReport.type_outbound-rtp.nackCount 📋Chrome8/31/2021 Safari on iOS3/14/2022195
api.ResizeObserver.observe.options_box_parameter Chrome7/27/2020 Safari on iOS3/14/2022595
Firefox: Before version 93, the device-pixel-content-box value is not supported.Firefox for Android: Before version 93, the device-pixel-content-box value is not supported.
api.ResizeObserverEntry.borderBoxSize 📋Chrome7/27/2020 Safari on iOS3/14/2022595
Firefox: Implemented as a single object representing a content box size, rather than an array of content box size objects.Firefox for Android: Implemented as a single object representing a content box size, rather than an array of content box size objects.
api.ResizeObserverEntry.contentBoxSize 📋Chrome7/27/2020 Safari on iOS3/14/2022595
Firefox: Implemented as a single object representing a content box size, rather than an array of content box size objects.Firefox for Android: Implemented as a single object representing a content box size, rather than an array of content box size objects.
api.ResizeObserverSize 📋Chrome7/27/2020 Safari on iOS3/14/2022595
api.ResizeObserverSize.blockSize 📋Chrome7/27/2020 Safari on iOS3/14/2022595
api.ResizeObserverSize.inlineSize 📋Chrome7/27/2020 Safari on iOS3/14/2022595
api.SVGElement.autofocus 📋Chrome12/10/2019 Safari on iOS3/14/2022825
Firefox: Only supported on SVGGraphicsElement.Firefox for Android: Only supported on SVGGraphicsElement.
api.SVGElement.nonce 📋Chrome9/5/2017 Safari on iOS3/14/20221651
api.ServiceWorkerGlobalScope.serviceWorker 📋Chrome12/10/2019 Safari on iOS3/14/2022825
api.ServiceWorkerRegistration.navigationPreload 📋Chrome6/5/2017 Safari on iOS3/14/20221743
api.SubmitEvent.submitter 📋Chrome4/7/2020 Safari on iOS3/14/2022706
Safari: Property is not set for <button> elements. See bug 229660.Safari on iOS: Property is not set for <button> elements. See bug 229660.WebView on iOS: Property is not set for <button> elements. See bug 229660.
api.VideoColorSpace 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.VideoColorSpace.fullRange 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.VideoColorSpace.matrix 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.VideoColorSpace.primaries 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.VideoColorSpace.toJSON 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.VideoColorSpace.transfer 📋Chrome9/21/2021 Safari on iOS3/14/2022174
api.WorkerNavigator.hardwareConcurrency 📋Chrome8/26/2014 Safari on iOS3/14/20222757
Safari: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.Safari on iOS: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.WebView on iOS: The value of this property is clamped to 4 or 8 cores, to prevent device fingerprinting. See bug 233381.
api.WorkerNavigator.locks 📋Chrome9/4/2018 Safari on iOS3/14/20221287
api.WorkerNavigator.mediaCapabilities 📋Chrome7/30/2019 Safari on iOS3/14/2022958
api.reportError 📋Chrome10/19/2021 Safari on iOS3/14/2022146
api.structuredClone 📋Chrome2/1/2022 Safari on iOS3/14/202241
Deno: The message parameter does not support cloning Blob values.Deno: The message parameter does not support cloning Blob values.Deno: The transfer parameter does not accept ArrayBuffer items. Passing an ArrayBuffer results in an error being thrown.
javascript.builtins.Array.at 📋Chrome7/20/2021 Safari on iOS3/14/2022237
javascript.builtins.Array.findLast 📋Chrome1/4/2022 Safari on iOS3/14/202269
javascript.builtins.Array.findLastIndex 📋Chrome1/4/2022 Safari on iOS3/14/202269
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter.extended_values Chrome10/19/2021 Safari on iOS3/14/2022146
javascript.builtins.Intl.supportedValuesOf 📋Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_calendar Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_collation Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_currency Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_numberingSystem Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_timeZone Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Intl.supportedValuesOf.key_parameter_unit Chrome3/1/2022 Safari on iOS3/14/202213
javascript.builtins.Object.hasOwn 📋Chrome8/31/2021 Safari on iOS3/14/2022195
javascript.builtins.String.at 📋Chrome7/20/2021 Safari on iOS3/14/2022237
javascript.builtins.TypedArray.at 📋Chrome7/20/2021 Safari on iOS3/14/2022237
javascript.builtins.TypedArray.findLast 📋Chrome1/4/2022 Safari on iOS3/14/202269
javascript.builtins.TypedArray.findLastIndex 📋Chrome1/4/2022 Safari on iOS3/14/202269

2021/12

API First Browser Date Last Browser Date Days Notes
api.FileSystemDirectoryHandle 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.entries 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.getDirectoryHandle 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.getFileHandle 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.keys 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.removeEntry 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.resolve 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemDirectoryHandle.values 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemFileHandle 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemFileHandle.getFile 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemHandle 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemHandle.isSameEntry 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemHandle.kind 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.FileSystemHandle.name 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.HTMLCanvasElement.getContext.2d_context.options_colorSpace_parameter 📋Chrome7/20/2021 Safari on iOS12/13/2021146
api.ImageData.ImageData.settings_parameter Chrome7/20/2021 Safari on iOS12/13/2021146
api.ImageData.ImageData.settings_parameter.colorSpace_option 📋Chrome7/20/2021 Safari on iOS12/13/2021146
api.ImageData.colorSpace 📋Chrome7/20/2021 Safari on iOS12/13/2021146
api.Navigator.storage 📋Chrome12/1/2016 Safari on iOS12/13/20211838
api.StorageManager 📋Chrome12/1/2016 Safari on iOS12/13/20211838
api.StorageManager.getDirectory 📋Chrome10/20/2020 Safari on iOS12/13/2021419
api.StorageManager.persist 📋Chrome12/1/2016 Safari on iOS12/13/20211838
api.StorageManager.persisted 📋Chrome12/1/2016 Safari on iOS12/13/20211838
api.WorkerNavigator.storage 📋Chrome12/1/2016 Safari on iOS12/13/20211838
api.crossOriginIsolated 📋Chrome11/17/2020 Safari on iOS12/13/2021391
javascript.builtins.Atomics 📋Chrome7/24/2018 Safari on iOS12/13/20211238
Safari: Before Safari 16.4, Atomics is gated behind COOP/COEP. For more detail, read Making your website "cross-origin isolated" using COOP and COEP.Safari on iOS: Before Safari on iOS 16.4, Atomics is gated behind COOP/COEP. For more detail, read Making your website "cross-origin isolated" using COOP and COEP.WebView on iOS: Before WebView on iOS 16.4, Atomics is gated behind COOP/COEP. For more detail, read Making your website "cross-origin isolated" using COOP and COEP.
javascript.builtins.Atomics.add 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.and 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.compareExchange 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.exchange 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.isLockFree 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.load 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.notify 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.or 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.store 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.sub 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.wait 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.Atomics.xor 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.DataView.DataView.sharedarraybuffer_support Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.SharedArrayBuffer 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.SharedArrayBuffer.@@species 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.SharedArrayBuffer.SharedArrayBuffer 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.SharedArrayBuffer.byteLength 📋Chrome7/24/2018 Safari on iOS12/13/20211238
javascript.builtins.SharedArrayBuffer.slice 📋Chrome7/24/2018 Safari on iOS12/13/20211238

2021/10

API First Browser Date Last Browser Date Days Notes
api.PerformanceNavigationTiming 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.domComplete 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.domContentLoadedEventEnd 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.domContentLoadedEventStart 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.domInteractive 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.loadEventEnd 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.loadEventStart 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.redirectCount 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.toJSON 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.type 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.unloadEventEnd 📋Chrome3/9/2017 Safari on iOS10/25/20211691
api.PerformanceNavigationTiming.unloadEventStart 📋Chrome3/9/2017 Safari on iOS10/25/20211691

2021/9

API First Browser Date Last Browser Date Days Notes
api.AbortSignal.abort_static 📋Chrome8/31/2021 Safari on iOS9/20/202120
api.CanvasRenderingContext2D.drawImage.ImageBitmap_source_image Chrome4/13/2016 Safari on iOS9/20/20211986
api.CanvasRenderingContext2D.getContextAttributes 📋Chrome3/12/2019 Safari on iOS9/20/2021923
api.Crypto.subtle.secure_context_required Chrome7/25/2017 Safari on iOS9/20/20211518
api.EXT_color_buffer_float 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.EXT_frag_depth 📋Chrome10/7/2014 Safari on iOS9/20/20212540
api.EventTarget.addEventListener.options_parameter.options_signal_parameter 📋Chrome4/13/2021 Safari on iOS9/20/2021160
api.FontFace.worker_support Chrome9/4/2018 Safari on iOS9/20/20211112
api.FontFaceSet.worker_support Chrome9/4/2018 Safari on iOS9/20/20211112
api.FormDataEvent 📋Chrome9/10/2019 Safari on iOS9/20/2021741
api.FormDataEvent.FormDataEvent 📋Chrome9/10/2019 Safari on iOS9/20/2021741
api.FormDataEvent.formData 📋Chrome9/10/2019 Safari on iOS9/20/2021741
api.HTMLCanvasElement.getContext.2d_context.options_desynchronized_parameter 📋Chrome4/7/2020 Safari on iOS9/20/2021531
Chrome: ChromeOS and WindowsChrome: ChromeOS only
api.HTMLCanvasElement.getContext.webgl2_context Chrome1/25/2017 Safari on iOS9/20/20211699
api.HTMLCanvasElement.getContext.webgl2_context.options_alpha_parameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.HTMLCanvasElement.getContext.webgl2_context.options_failIfMajorPerformanceCaveat_parameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.HTMLCanvasElement.getContext.webgl2_context.options_powerPreference_parameter 📋Chrome6/4/2019 Safari on iOS9/20/2021839
Chrome: Chrome respects the GPU hint on macOS only.Chrome Android: Chrome Android respects the GPU hint on macOS only.Edge: Edge respects the GPU hint on macOS only.Firefox: Firefox respects the GPU hint on macOS only.Quest Browser: Quest Browser respects the GPU hint on macOS only.Opera: Opera respects the GPU hint on macOS only.Opera Android: Opera Android respects the GPU hint on macOS only.Samsung Internet: Samsung Internet respects the GPU hint on macOS only.WebView Android: WebView Android respects the GPU hint on macOS only.
api.HTMLFormElement.formdata_event 📋Chrome9/10/2019 Safari on iOS9/20/2021741
api.HTMLMetaElement.media 📋Chrome8/31/2021 Safari on iOS9/20/202120
api.HTMLSourceElement.height 📋Chrome4/13/2021 Safari on iOS9/20/2021160
api.HTMLSourceElement.width 📋Chrome4/13/2021 Safari on iOS9/20/2021160
api.IDBCursor.request 📋Chrome7/30/2019 Safari on iOS9/20/2021783
api.IDBFactory.open 📋Chrome11/6/2012 Safari on iOS9/20/20213240
Safari: In some releases of Safari 14, the first indexedDB.open() call hangs forever, see bug 226547.Safari on iOS: In some releases of Safari on iOS 14, the first indexedDB.open() call hangs forever, see bug 226547.WebView on iOS: In some releases of WebView on iOS 14, the first indexedDB.open() call hangs forever, see bug 226547.
api.IDBTransaction.commit 📋Chrome7/30/2019 Safari on iOS9/20/2021783
api.IDBTransaction.durability 📋Chrome5/19/2020 Safari on iOS9/20/2021489
api.ImageBitmap 📋Chrome4/13/2016 Safari on iOS9/20/20211986
api.ImageBitmap.close 📋Chrome7/20/2016 Safari on iOS9/20/20211888
api.ImageBitmap.height 📋Chrome4/13/2016 Safari on iOS9/20/20211986
api.ImageBitmap.width 📋Chrome4/13/2016 Safari on iOS9/20/20211986
api.MediaError.message 📋Chrome6/5/2017 Safari on iOS9/20/20211568
api.MediaSession 📋Chrome3/12/2019 Safari on iOS9/20/2021923
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.MediaSession.metadata 📋Chrome3/12/2019 Safari on iOS9/20/2021923
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.MediaSession.playbackState 📋Chrome3/12/2019 Safari on iOS9/20/2021923
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.MediaSession.setActionHandler 📋Chrome3/12/2019 Safari on iOS9/20/2021923
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.MediaSession.setActionHandler.nexttrack_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.pause_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.play_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.previoustrack_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.seekbackward_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.seekforward_type Chrome3/12/2019 Safari on iOS9/20/2021923
api.MediaSession.setActionHandler.seekto_type Chrome10/22/2019 Safari on iOS9/20/2021699
api.MediaSession.setActionHandler.stop_type Chrome9/10/2019 Safari on iOS9/20/2021741
api.MediaSession.setPositionState 📋Chrome4/7/2020 Safari on iOS9/20/2021531
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.Navigator.mediaSession 📋Chrome3/12/2019 Safari on iOS9/20/2021923
api.Performance.timeOrigin 📋Chrome10/17/2017 Safari on iOS9/20/20211434
api.PerformanceObserver.takeRecords 📋Chrome3/6/2018 Safari on iOS9/20/20211294
api.RTCRtpReceiver.getParameters.return_object_property_rtcp 📋Chrome9/4/2018 Safari on iOS9/20/20211112
api.RTCRtpSender.getParameters.return_object_property_rtcp 📋Chrome9/4/2018 Safari on iOS9/20/20211112
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.RTCRtpSender.setParameters.parameters_rtcp_parameter 📋Chrome9/4/2018 Safari on iOS9/20/20211112
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.SecurityPolicyViolationEvent.disposition 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.SecurityPolicyViolationEvent.sample 📋Chrome6/5/2017 Safari on iOS9/20/20211568
api.ServiceWorker.ecmascript_modules Chrome5/25/2021 Safari on iOS9/20/2021118
Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4.
api.ShadowRoot.delegatesFocus 📋Chrome8/31/2016 Safari on iOS9/20/20211846
api.SharedWorker.SharedWorker.ecmascript_modules Chrome2/4/2020 Safari on iOS9/20/2021594
Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4.WebView on iOS: Nested workers support was introduced in WebView on iOS 15.5.WebView on iOS: Script loading in nested workers was introduced in WebView on iOS 16.4.
api.SharedWorker.SharedWorker.options_type_parameter Chrome2/4/2020 Safari on iOS9/20/2021594
api.SubmitEvent 📋Chrome4/7/2020 Safari on iOS9/20/2021531
api.SubmitEvent.SubmitEvent 📋Chrome4/7/2020 Safari on iOS9/20/2021531
api.SubtleCrypto.secure_context_required Chrome7/25/2017 Safari on iOS9/20/20211518
api.WEBGL_color_buffer_float 📋Chrome12/6/2017 Safari on iOS9/20/20211384
api.WEBGL_draw_buffers 📋Chrome7/16/2014 Safari on iOS9/20/20212623
api.WEBGL_draw_buffers.drawBuffersWEBGL 📋Chrome7/16/2014 Safari on iOS9/20/20212623
api.WEBGL_multi_draw 📋Chrome10/20/2020 Safari on iOS9/20/2021335
api.WEBGL_multi_draw.multiDrawArraysInstancedWEBGL 📋Chrome10/20/2020 Safari on iOS9/20/2021335
api.WEBGL_multi_draw.multiDrawArraysWEBGL 📋Chrome10/20/2020 Safari on iOS9/20/2021335
api.WEBGL_multi_draw.multiDrawElementsInstancedWEBGL 📋Chrome10/20/2020 Safari on iOS9/20/2021335
api.WEBGL_multi_draw.multiDrawElementsWEBGL 📋Chrome10/20/2020 Safari on iOS9/20/2021335
api.WebGL2RenderingContext 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.activeTexture 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.attachShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.beginQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.beginTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindAttribLocation 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindBuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindBufferBase 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindBufferRange 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindRenderbuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindSampler 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindTexture 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bindVertexArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blendColor 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blendEquation 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blendEquationSeparate 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blendFunc 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blendFuncSeparate 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.blitFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bufferData 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.bufferSubData 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.canvas 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.checkFramebufferStatus 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clear 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearBufferfi 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearBufferfv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearBufferiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearBufferuiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearColor 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearDepth 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clearStencil 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.clientWaitSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.colorMask 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.compileShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.compressedTexImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.compressedTexImage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.compressedTexSubImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.compressedTexSubImage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.copyBufferSubData 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.copyTexImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.copyTexSubImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.copyTexSubImage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createBuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createRenderbuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createSampler 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createTexture 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.createVertexArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.cullFace 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteBuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteRenderbuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteSampler 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteTexture 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.deleteVertexArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.depthFunc 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.depthMask 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.depthRange 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.detachShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.disable 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.disableVertexAttribArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawArrays 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawArraysInstanced 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawBuffers 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawElements 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawElementsInstanced 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawRangeElements 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawingBufferHeight 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.drawingBufferWidth 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.enable 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.enableVertexAttribArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.endQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.endTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.fenceSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.finish 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.flush 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.framebufferRenderbuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.framebufferTexture2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.framebufferTextureLayer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.frontFace 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.generateMipmap 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getActiveAttrib 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getActiveUniform 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getActiveUniformBlockName 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getActiveUniformBlockParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getActiveUniforms 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getAttachedShaders 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getAttribLocation 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getBufferParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getBufferSubData 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getContextAttributes 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getError 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getExtension 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getFragDataLocation 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getFramebufferAttachmentParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getIndexedParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getInternalformatParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getProgramInfoLog 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getProgramParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getQueryParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getRenderbufferParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getSamplerParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getShaderInfoLog 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getShaderParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getShaderPrecisionFormat 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getShaderSource 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getSupportedExtensions 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getSyncParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getTexParameter 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getTransformFeedbackVarying 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getUniform 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getUniformBlockIndex 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getUniformIndices 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getUniformLocation 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getVertexAttrib 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.getVertexAttribOffset 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.hint 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.invalidateFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.invalidateSubFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isBuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isContextLost 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isEnabled 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isFramebuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isRenderbuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isSampler 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isShader 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isTexture 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.isVertexArray 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.lineWidth 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.linkProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.pauseTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.pixelStorei 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.polygonOffset 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.readBuffer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.readPixels 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.renderbufferStorage 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.renderbufferStorageMultisample 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.resumeTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.sampleCoverage 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.samplerParameterf 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.samplerParameteri 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.scissor 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.shaderSource 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilFunc 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilFuncSeparate 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilMask 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilMaskSeparate 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilOp 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.stencilOpSeparate 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
Firefox for Android: Textures from video elements are not supported. See bug 1884282.
api.WebGL2RenderingContext.texImage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texParameterf 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texParameteri 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texStorage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texStorage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.texSubImage2D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
Firefox for Android: Textures from video elements are not supported. See bug 1884282.
api.WebGL2RenderingContext.texSubImage3D 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.transformFeedbackVaryings 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1i 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1iv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1ui 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform1uiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2i 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2iv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2ui 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform2uiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3i 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3iv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3ui 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform3uiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4i 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4iv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4ui 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniform4uiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformBlockBinding 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix2fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix2x3fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix2x4fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix3fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix3x2fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix3x4fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix4fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix4x2fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.uniformMatrix4x3fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.useProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.validateProgram 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib1f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib1fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib2f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib2fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib3f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib3fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib4f 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttrib4fv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribDivisor 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribI4i 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribI4iv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribI4ui 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribI4uiv 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribIPointer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.vertexAttribPointer 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.viewport 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGL2RenderingContext.waitSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGLQuery 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGLSampler 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGLSync 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGLTransformFeedback 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.WebGLVertexArrayObject 📋Chrome1/25/2017 Safari on iOS9/20/20211699
api.Worker.Worker.ecmascript_modules Chrome2/4/2020 Safari on iOS9/20/2021594
Node.js: ECMAScript modules are enabled for files ending with .mjs and for files ending with .js when the nearest parent package.json file contains a top-level field "type" with a value of "module".Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4.WebView on iOS: Nested workers support was introduced in WebView on iOS 15.5.WebView on iOS: Script loading in nested workers was introduced in WebView on iOS 16.4.
api.Worker.Worker.options_type_parameter Chrome2/4/2020 Safari on iOS9/20/2021594
Deno: Only supports module
api.WorkerGlobalScope.fonts 📋Chrome9/4/2018 Safari on iOS9/20/20211112
api.Worklet.ecmascript_modules Chrome2/4/2020 Safari on iOS9/20/2021594
Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4.WebView on iOS: Nested workers support was introduced in WebView on iOS 15.5.WebView on iOS: Script loading in nested workers was introduced in WebView on iOS 16.4.
api.XMLHttpRequest.send.body_URLSearchParams_type Chrome6/5/2017 Safari on iOS9/20/20211568
Safari: Doesn't send the correct Content-Type header by default. See bug 227477.Safari on iOS: Doesn't send the correct Content-Type header by default. See bug 227477.WebView on iOS: Doesn't send the correct Content-Type header by default. See bug 227477.
api.createImageBitmap 📋Chrome4/13/2016 Safari on iOS9/20/20211986
api.createImageBitmap.options_colorSpaceConversion_parameter Chrome4/19/2017 Safari on iOS9/20/20211615
api.createImageBitmap.options_imageOrientation_parameter Chrome7/20/2016 Safari on iOS9/20/20211888
api.createImageBitmap.options_resizeHeight_parameter Chrome10/12/2016 Safari on iOS9/20/20211804
api.createImageBitmap.options_resizeQuality_parameter Chrome10/12/2016 Safari on iOS9/20/20211804
api.createImageBitmap.options_resizeWidth_parameter Chrome10/12/2016 Safari on iOS9/20/20211804
javascript.builtins.BigInt64Array 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.BigInt64Array.BigInt64Array 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.BigUint64Array 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.BigUint64Array.BigUint64Array 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.DataView.getBigInt64 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.DataView.getBigUint64 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.DataView.setBigInt64 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.DataView.setBigUint64 📋Chrome5/29/2018 Safari on iOS9/20/20211210
javascript.builtins.Error.Error.options_cause_parameter 📋Chrome8/31/2021 Safari on iOS9/20/202120
javascript.builtins.Error.cause 📋Chrome8/31/2021 Safari on iOS9/20/202120
Chrome: Before version 125, default console logging for Error objects does not print the cause.Chrome Android: Before version 125, default console logging for Error objects does not print the cause.Edge: Before version 125, default console logging for Error objects does not print the cause.Quest Browser: Before version false, default console logging for Error objects does not print the cause.Opera: Before version 111, default console logging for Error objects does not print the cause.Opera Android: Before version 83, default console logging for Error objects does not print the cause.Safari: Default console logging for Error objects does not print the cause.Safari on iOS: Default console logging for Error objects does not print the cause.Samsung Internet: Before version 27.0, default console logging for Error objects does not print the cause.WebView Android: Before version 125, default console logging for Error objects does not print the cause.WebView on iOS: Default console logging for Error objects does not print the cause.
javascript.builtins.RegExp.hasIndices 📋Chrome4/13/2021 Safari on iOS9/20/2021160
javascript.classes.private_class_fields_in 📋Chrome5/25/2021 Safari on iOS9/20/2021118
javascript.classes.private_class_methods 📋Chrome7/27/2020 Safari on iOS9/20/2021420
javascript.grammar.trailing_commas.trailing_commas_in_dynamic_import 📋Chrome5/25/2021 Safari on iOS9/20/2021118
Node.js: The second parameter no longer throws a parser error, but the --experimental-json-modules flag is still needed to load JSON modules.
javascript.operators.await.top_level 📋Chrome3/2/2021 Safari on iOS9/20/2021202
Node.js: Not supported in CommonJS modules.Safari: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).Safari on iOS: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).WebView on iOS: Doesn't support multiple modules simultaneously importing a module containing a top-level await (see bug 242740).
javascript.operators.import.options_parameter 📋Chrome5/25/2021 Safari on iOS9/20/2021118
Node.js: The second parameter no longer throws a parser error, but the --experimental-json-modules flag is still needed to load JSON modules.
javascript.operators.import.worker_support Chrome2/4/2020 Safari on iOS9/20/2021594
javascript.statements.import.service_worker_support Chrome5/25/2021 Safari on iOS9/20/2021118
javascript.statements.import.worker_support Chrome2/4/2020 Safari on iOS9/20/2021594

2021/7

API First Browser Date Last Browser Date Days Notes
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_dayPeriod_parameter Safari on iOS4/26/2021 Chrome7/20/202185

2021/5

API First Browser Date Last Browser Date Days Notes
api.RTCStatsReport.type_remote-outbound-rtp 📋Safari on iOS9/19/2017 Chrome5/25/20211344
api.RTCStatsReport.type_remote-outbound-rtp.codecId 📋Safari on iOS9/19/2017 Chrome5/25/20211344
api.RTCStatsReport.type_remote-outbound-rtp.kind 📋Safari on iOS9/16/2020 Chrome5/25/2021251
api.RTCStatsReport.type_remote-outbound-rtp.ssrc 📋Safari on iOS9/19/2017 Chrome5/25/20211344
api.RTCStatsReport.type_remote-outbound-rtp.transportId 📋Safari on iOS9/19/2017 Chrome5/25/20211344
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.IntlLegacyConstructedSymbol 📋Safari on iOS4/26/2021 Chrome5/25/202129
Chrome: The fallback symbol property has description IntlFallback.Chrome Android: The fallback symbol property has description IntlFallback.Edge: The fallback symbol property has description IntlFallback.Node.js: The fallback symbol property has description IntlFallback.Quest Browser: The fallback symbol property has description IntlFallback.Opera: The fallback symbol property has description IntlFallback.Opera Android: The fallback symbol property has description IntlFallback.Samsung Internet: The fallback symbol property has description IntlFallback.WebView Android: The fallback symbol property has description IntlFallback.
javascript.builtins.Intl.NumberFormat.NumberFormat.IntlLegacyConstructedSymbol 📋Safari on iOS4/26/2021 Chrome5/25/202129
Chrome: The fallback symbol property has description IntlFallback.Chrome Android: The fallback symbol property has description IntlFallback.Edge: The fallback symbol property has description IntlFallback.Node.js: The fallback symbol property has description IntlFallback.Quest Browser: The fallback symbol property has description IntlFallback.Opera: The fallback symbol property has description IntlFallback.Opera Android: The fallback symbol property has description IntlFallback.Samsung Internet: The fallback symbol property has description IntlFallback.WebView Android: The fallback symbol property has description IntlFallback.

2021/4

API First Browser Date Last Browser Date Days Notes
api.AbstractRange 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AbstractRange.collapsed 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AbstractRange.endContainer 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AbstractRange.endOffset 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AbstractRange.startContainer 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AbstractRange.startOffset 📋Chrome4/13/2021 Safari on iOS4/26/202113
api.AnalyserNode.AnalyserNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.AnalyserNode.getFloatTimeDomainData 📋Chrome5/20/2014 Safari on iOS4/26/20212533
api.AudioBuffer.AudioBuffer 📋Chrome12/1/2016 Safari on iOS4/26/20211607
Chrome: The context parameter was supported up until version 57, but has now been removed.Chrome Android: The context parameter was supported up until version 57, but has now been removed.Quest Browser: The context parameter was supported up until version 5.0, but has now been removed.Opera: The context parameter was supported up until version 44, but has now been removed.Opera Android: The context parameter was supported up until version 44, but has now been removed.Samsung Internet: The context parameter was supported up until Samsung Internet 7.0, but has now been removed.WebView Android: The context parameter was supported up until version 57, but has now been removed.
api.AudioBuffer.copyFromChannel 📋Chrome5/19/2015 Safari on iOS4/26/20212169
api.AudioBuffer.copyToChannel 📋Chrome5/19/2015 Safari on iOS4/26/20212169
api.AudioBufferSourceNode.AudioBufferSourceNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.AudioBufferSourceNode.detune 📋Chrome7/21/2015 Safari on iOS4/26/20212106
api.AudioContext 📋Chrome5/20/2014 Safari on iOS4/26/20212533
api.AudioContext.AudioContext 📋Chrome5/20/2014 Safari on iOS4/26/20212533
Chrome: Before Chrome 66, each tab is limited to 6 audio contexts in Chrome; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Chrome.Chrome: If latencyHint isn't valid, Chrome throws a TypeError exception. See Non-standard exceptions in Chrome for details.Chrome Android: Before Chrome Android 66, each tab is limited to 6 audio contexts in Chrome Android; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Chrome Android.Chrome Android: If latencyHint isn't valid, Chrome Android throws a TypeError exception. See Non-standard exceptions in Chrome Android for details.Quest Browser: Before Quest Browser 5.0, each tab is limited to 6 audio contexts in Quest Browser; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Quest Browser.Quest Browser: If latencyHint isn't valid, Quest Browser throws a TypeError exception. See Non-standard exceptions in Quest Browser for details.Opera: Before Opera 53, each tab is limited to 6 audio contexts in Opera; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Chrome.Opera: If latencyHint isn't valid, Opera throws a TypeError exception. See Non-standard exceptions in Chrome for details.Opera Android: Before Opera Android 47, each tab is limited to 6 audio contexts in Opera; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Chrome.Opera Android: If latencyHint isn't valid, Opera throws a TypeError exception. See Non-standard exceptions in Chrome for details.Safari: New audio contexts are suspended until the resume() method is called via user action, such as the click event.Safari on iOS: New audio contexts are suspended until the resume() method is called via user action, such as the click event.Samsung Internet: Before Samsung Internet 9.0, each tab is limited to 6 audio contexts in Samsung Internet; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in Chrome.Samsung Internet: If latencyHint isn't valid, Samsung Internet throws a TypeError exception. See Non-standard exceptions in Chrome for details.WebView Android: Before WebView Android 66, each tab is limited to 6 audio contexts in WebView Android; attempting to create more will throw a DOMException. For details see Per-tab audio context limitation in WebView Android.WebView Android: If latencyHint isn't valid, WebView Android throws a TypeError exception. See Non-standard exceptions in WebView Android for details.WebView on iOS: New audio contexts are suspended until the resume() method is called via user action, such as the click event.
api.AudioContext.AudioContext.options_latencyHint_parameter 📋Chrome4/19/2017 Safari on iOS4/26/20211468
api.AudioContext.AudioContext.options_sampleRate_parameter 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.AudioContext.baseLatency 📋Chrome4/19/2017 Safari on iOS4/26/20211468
api.AudioContext.getOutputTimestamp 📋Chrome3/9/2017 Safari on iOS4/26/20211509
api.AudioDestinationNode.maxChannelCount 📋Chrome5/21/2013 Safari on iOS4/26/20212897
Safari: This property always returns 0.Safari on iOS: This property always returns 0.WebView on iOS: This property always returns 0.
api.AudioListener.forwardX 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioListener.forwardY 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioListener.forwardZ 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioListener.positionX 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setPosition() method instead.Firefox for Android: Can be set using the setPosition() method instead.
api.AudioListener.positionY 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setPosition() method instead.Firefox for Android: Can be set using the setPosition() method instead.
api.AudioListener.positionZ 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setPosition() method instead.Firefox for Android: Can be set using the setPosition() method instead.
api.AudioListener.upX 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioListener.upY 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioListener.upZ 📋Chrome7/20/2016 Safari on iOS4/26/20211741
Firefox: Can be set using the setOrientation() method instead.Firefox for Android: Can be set using the setOrientation() method instead.
api.AudioParam.cancelAndHoldAtTime 📋Chrome3/9/2017 Safari on iOS4/26/20211509
api.AudioParamMap 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.@@iterator Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.entries Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.forEach Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.get Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.has Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.keys Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.size Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioParamMap.values Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioProcessingEvent.AudioProcessingEvent 📋Chrome3/9/2017 Safari on iOS4/26/20211509
api.AudioWorklet 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletGlobalScope 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletGlobalScope.currentFrame 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletGlobalScope.currentTime 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletGlobalScope.registerProcessor 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletGlobalScope.sampleRate 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletNode 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletNode.AudioWorkletNode 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletNode.parameters 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletNode.port 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletNode.processorerror_event 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.AudioWorkletProcessor 📋Chrome1/23/2018 Safari on iOS4/26/20211189
api.AudioWorkletProcessor.AudioWorkletProcessor 📋Chrome1/23/2018 Safari on iOS4/26/20211189
api.AudioWorkletProcessor.port 📋Chrome1/23/2018 Safari on iOS4/26/20211189
api.BaseAudioContext 📋Chrome1/25/2017 Safari on iOS4/26/20211552
Chrome: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Chrome Android: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Edge: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Firefox: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Firefox for Android: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Opera: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Opera Android: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Safari: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Safari on iOS: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.Samsung Internet: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.WebView Android: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.WebView on iOS: The BaseAudioContext interface itself is not present, but many of the methods are available on the AudioContext and OfflineAudioContext interfaces.
api.BaseAudioContext.audioWorklet 📋Chrome4/17/2018 Safari on iOS4/26/20211105
api.BaseAudioContext.createConstantSource 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.BaseAudioContext.createIIRFilter 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.BaseAudioContext.createPeriodicWave.constraints_disableNormalization_parameter Chrome10/13/2015 Safari on iOS4/26/20212022
api.BaseAudioContext.createStereoPanner 📋Chrome3/3/2015 Safari on iOS4/26/20212246
api.BaseAudioContext.decodeAudioData.returns_promise Chrome3/2/2016 Safari on iOS4/26/20211881
api.BiquadFilterNode.BiquadFilterNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.Blob.arrayBuffer 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.Blob.stream 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.Blob.text 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.BlobEvent.timecode 📋Chrome3/9/2017 Safari on iOS4/26/20211509
api.CSSConditionRule 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.CSSConditionRule.conditionText 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.CSSGroupingRule 📋Chrome9/1/2015 Safari on iOS4/26/20212064
Safari: The CSSGroupingRule interface itself is not present, but many of the methods are available on various interfaces such as the CSSMediaRule and CSSPageRule interfaces.Safari on iOS: The CSSGroupingRule interface itself is not present, but many of the methods are available on various interfaces such as the CSSMediaRule and CSSPageRule interfaces.WebView on iOS: The CSSGroupingRule interface itself is not present, but many of the methods are available on various interfaces such as the CSSMediaRule and CSSPageRule interfaces.
api.ChannelMergerNode.ChannelMergerNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.ChannelSplitterNode.ChannelSplitterNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.ConstantSourceNode 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.ConstantSourceNode.ConstantSourceNode 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.ConstantSourceNode.offset 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.ConvolverNode.ConvolverNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.DataTransfer.DataTransfer 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.DelayNode.DelayNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.Document.visibilitychange_event 📋Chrome10/17/2017 Safari on iOS4/26/20211287
Chrome: The onvisibilitychange event handler property is not supported.Chrome: The onvisibilitychange event handler property is not supported.Chrome Android: The onvisibilitychange event handler property is not supported.Chrome Android: The onvisibilitychange event handler property is not supported.Edge: The onvisibilitychange event handler property is not supported.Internet Explorer: The onvisibilitychange event handler property is not supported.Quest Browser: The onvisibilitychange event handler property is not supported.Opera: The onvisibilitychange event handler property is not supported.Opera: The onvisibilitychange event handler property is not supported.Opera: The onvisibilitychange event handler property is not supported.Opera Android: The onvisibilitychange event handler property is not supported.Opera Android: The onvisibilitychange event handler property is not supported.Opera Android: The onvisibilitychange event handler property is not supported.Safari: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari: Before Safari 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.Safari: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari: Before Safari 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.Safari: The onvisibilitychange event handler property is not supported.Safari on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari on iOS: Before Safari on iOS 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.Safari on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.Safari on iOS: Before Safari on iOS 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.Safari on iOS: The onvisibilitychange event handler property is not supported.Samsung Internet: The onvisibilitychange event handler property is not supported.Samsung Internet: The onvisibilitychange event handler property is not supported.WebView Android: The onvisibilitychange event handler property is not supported.WebView Android: The onvisibilitychange event handler property is not supported.WebView on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.WebView on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.WebView on iOS: Before WebView on iOS 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.WebView on iOS: Doesn't fire the visibilitychange event when navigating away from a document, so also include code to check for the pagehide event (which does fire for that case in all current browsers). See bug 116769, bug 151234, bug 151610, and bug 194897.WebView on iOS: Before WebView on iOS 14, the event does not bubble, so document.addEventListener('visibilitychange', ...) works, but window.addEventListener('visibilitychange', ...) does not.WebView on iOS: The onvisibilitychange event handler property is not supported.
api.DynamicsCompressorNode.DynamicsCompressorNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.GainNode.GainNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.HTMLAreaElement.referrerPolicy 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.HTMLAreaElement.referrerPolicy.no-referrer-when-downgrade Chrome7/20/2016 Safari on iOS4/26/20211741
api.HTMLAreaElement.referrerPolicy.origin-when-cross-origin Chrome7/20/2016 Safari on iOS4/26/20211741
api.HTMLAreaElement.referrerPolicy.unsafe-url Chrome7/20/2016 Safari on iOS4/26/20211741
api.HTMLLinkElement.referrerPolicy 📋Chrome4/19/2017 Safari on iOS4/26/20211468
api.HTMLLinkElement.referrerPolicy.no-referrer-when-downgrade Chrome4/19/2017 Safari on iOS4/26/20211468
api.HTMLLinkElement.referrerPolicy.origin-when-cross-origin Chrome4/19/2017 Safari on iOS4/26/20211468
api.HTMLLinkElement.referrerPolicy.unsafe-url Chrome4/19/2017 Safari on iOS4/26/20211468
api.IIRFilterNode 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.IIRFilterNode.IIRFilterNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.IIRFilterNode.getFrequencyResponse 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.KHR_parallel_shader_compile 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.MediaElementAudioSourceNode.MediaElementAudioSourceNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.MediaRecorder.audioBitsPerSecond 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaRecorder.pause 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaRecorder.pause_event 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaRecorder.resume 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaRecorder.resume_event 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaRecorder.videoBitsPerSecond 📋Chrome3/2/2016 Safari on iOS4/26/20211881
api.MediaStreamAudioDestinationNode.MediaStreamAudioDestinationNode 📋Chrome3/9/2017 Safari on iOS4/26/20211509
api.MediaStreamAudioSourceNode.MediaStreamAudioSourceNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.OES_fbo_render_mipmap 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.OfflineAudioContext 📋Chrome5/20/2014 Safari on iOS4/26/20212533
api.OfflineAudioContext.OfflineAudioContext 📋Chrome5/20/2014 Safari on iOS4/26/20212533
api.OfflineAudioContext.OfflineAudioContext.options_parameter Chrome10/17/2017 Safari on iOS4/26/20211287
api.OfflineAudioContext.length 📋Chrome5/25/2016 Safari on iOS4/26/20211797
api.OfflineAudioContext.startRendering.returns_promise Chrome4/14/2015 Safari on iOS4/26/20212204
api.OscillatorNode.OscillatorNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.PannerNode.PannerNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.PannerNode.orientationX 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.PannerNode.orientationY 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.PannerNode.orientationZ 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.PannerNode.positionX 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.PannerNode.positionY 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.PannerNode.positionZ 📋Chrome7/20/2016 Safari on iOS4/26/20211741
api.Performance.mark.markOptions_parameter Chrome10/22/2019 Safari on iOS4/26/2021552
api.Performance.mark.returns_performancemark Chrome10/22/2019 Safari on iOS4/26/2021552
api.Performance.measure.measureOptions_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
api.Performance.measure.returns_performancemeasure Chrome10/22/2019 Safari on iOS4/26/2021552
api.Performance.toJSON 📋Chrome1/25/2017 Safari on iOS4/26/20211552
api.PerformanceMark.PerformanceMark 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.PerformanceMark.detail 📋Chrome10/22/2019 Safari on iOS4/26/2021552
api.PerformanceMeasure.detail 📋Chrome10/22/2019 Safari on iOS4/26/2021552
api.PerformanceNavigation.toJSON 📋Chrome1/25/2017 Safari on iOS4/26/20211552
Firefox: Before Firefox 70, this property could return incorrect values. See bug 1459711.Firefox for Android: Before Firefox for Android 79, this property could return incorrect values. See bug 1459711.
api.PerformancePaintTiming 📋Chrome7/25/2017 Safari on iOS4/26/20211371
api.PerformancePaintTiming.first-contentful-paint 📋Chrome7/25/2017 Safari on iOS4/26/20211371
api.PerformancePaintTiming.toJSON 📋Chrome7/25/2017 Safari on iOS4/26/20211371
api.PeriodicWave.PeriodicWave 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.RTCIceCandidate.address 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.component 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.foundation 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.port 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.priority 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.protocol 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.relatedAddress 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.relatedPort 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.tcpType 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.type 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.RTCIceCandidate.usernameFragment 📋Chrome4/23/2019 Safari on iOS4/26/2021734
Firefox: Before Firefox 126, the property was not read-only.Firefox for Android: Before Firefox for Android 126, the property was not read-only.
api.RTCPeerConnection.addTransceiver.init_sendEncodings_parameter Chrome9/4/2018 Safari on iOS4/26/2021965
api.RTCPeerConnection.icecandidateerror_event 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnection.restartIce 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnection.setLocalDescription.description_parameter_optional Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCPeerConnectionIceErrorEvent 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnectionIceErrorEvent.RTCPeerConnectionIceErrorEvent 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnectionIceErrorEvent.address 📋Chrome4/7/2020 Safari on iOS4/26/2021384
api.RTCPeerConnectionIceErrorEvent.errorCode 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnectionIceErrorEvent.errorText 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCPeerConnectionIceErrorEvent.port 📋Chrome4/7/2020 Safari on iOS4/26/2021384
api.RTCPeerConnectionIceErrorEvent.url 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.RTCRtpSender.setStreams 📋Chrome7/30/2019 Safari on iOS4/26/2021636
api.RTCStatsReport.type_codec.channels 📋Chrome5/19/2020 Safari on iOS4/26/2021342
api.RTCStatsReport.type_inbound-rtp.concealedSamples 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.concealmentEvents 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.fecPacketsDiscarded 📋Chrome4/7/2020 Safari on iOS4/26/2021384
api.RTCStatsReport.type_inbound-rtp.fecPacketsReceived 📋Chrome4/7/2020 Safari on iOS4/26/2021384
api.RTCStatsReport.type_inbound-rtp.headerBytesReceived 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_inbound-rtp.insertedSamplesForDeceleration 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.jitterBufferDelay 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.jitterBufferEmittedCount 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.removedSamplesForAcceleration 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.silentConcealedSamples 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.totalAudioEnergy 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.totalSamplesDuration 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_inbound-rtp.totalSamplesReceived 📋Chrome10/20/2020 Safari on iOS4/26/2021188
api.RTCStatsReport.type_media-source 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_media-source.id 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_media-source.kind 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_media-source.timestamp 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_media-source.trackIdentifier 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_media-source.type 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_outbound-rtp.headerBytesSent 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_outbound-rtp.mediaSourceId 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_outbound-rtp.retransmittedBytesSent 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_outbound-rtp.retransmittedPacketsSent 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_remote-inbound-rtp.id 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_remote-inbound-rtp.localId 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_remote-inbound-rtp.roundTripTime 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_remote-inbound-rtp.timestamp 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_remote-inbound-rtp.type 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_transport.dtlsCipher 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_transport.dtlsState 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_transport.srtpCipher 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.RTCStatsReport.type_transport.tlsVersion 📋Chrome2/4/2020 Safari on iOS4/26/2021447
api.Request.formData 📋Chrome7/25/2017 Safari on iOS4/26/20211371
Safari: The method exists but always rejects with NotSupportedError. See bug 215671.Safari on iOS: The method exists but always rejects with NotSupportedError. See bug 215671.WebView on iOS: The method exists but always rejects with NotSupportedError. See bug 215671.
api.Response.formData 📋Chrome7/25/2017 Safari on iOS4/26/20211371
Safari: The method exists but always rejects with NotSupportedError. See bug 215671.Safari on iOS: The method exists but always rejects with NotSupportedError. See bug 215671.WebView on iOS: The method exists but always rejects with NotSupportedError. See bug 215671.
api.SpeechRecognition.abort 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.audioend_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.audiostart_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.continuous 📋Chrome2/20/2014 Safari on iOS4/26/20212622
Chrome Android: The property can be set, but has no effect.Quest Browser: The property can be set, but has no effect.Opera Android: The property can be set, but has no effect.Samsung Internet: The property can be set, but has no effect.WebView Android: The property can be set, but has no effect.
api.SpeechRecognition.end_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.error_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.interimResults 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.lang 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.maxAlternatives 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.nomatch_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.result_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.soundend_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.soundstart_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.speechend_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.speechstart_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.start 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.start_event 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognition.stop 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionAlternative 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionAlternative.confidence 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionAlternative.transcript 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionErrorEvent.error 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.SpeechRecognitionErrorEvent.message 📋Chrome9/10/2019 Safari on iOS4/26/2021594
api.SpeechRecognitionEvent.resultIndex 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionEvent.results 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResult 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResult.isFinal 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResult.item 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResult.length 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResultList 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResultList.item 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.SpeechRecognitionResultList.length 📋Chrome2/20/2014 Safari on iOS4/26/20212622
api.StereoPannerNode 📋Chrome3/3/2015 Safari on iOS4/26/20212246
api.StereoPannerNode.StereoPannerNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.StereoPannerNode.pan 📋Chrome3/3/2015 Safari on iOS4/26/20212246
api.TextDecoderStream 📋Chrome12/4/2018 Safari on iOS4/26/2021874
Node.js: Available as a part of the stream/web module.
api.TextDecoderStream.TextDecoderStream 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextDecoderStream.encoding 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextDecoderStream.fatal 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextDecoderStream.ignoreBOM 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextDecoderStream.readable 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextDecoderStream.writable 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextEncoder.encodeInto 📋Chrome4/23/2019 Safari on iOS4/26/2021734
api.TextEncoderStream 📋Chrome12/4/2018 Safari on iOS4/26/2021874
Node.js: Available as a part of the stream/web module.
api.TextEncoderStream.TextEncoderStream 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextEncoderStream.encoding 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextEncoderStream.readable 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TextEncoderStream.writable 📋Chrome12/4/2018 Safari on iOS4/26/2021874
api.TransformStream 📋Chrome5/29/2018 Safari on iOS4/26/20211063
Node.js: Available as a part of the stream/web module.
api.TransformStream.TransformStream 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStream.readable 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStream.writable 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStreamDefaultController 📋Chrome5/29/2018 Safari on iOS4/26/20211063
Deno: TransformStreamDefaultController is not exposed on the global scope.Node.js: Available as a part of the stream/web module.
api.TransformStreamDefaultController.desiredSize 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStreamDefaultController.enqueue 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStreamDefaultController.error 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.TransformStreamDefaultController.terminate 📋Chrome5/29/2018 Safari on iOS4/26/20211063
api.URL.URL 📋Chrome5/15/2012 Safari on iOS4/26/20213268
Edge: Before Edge 79, query arguments in the base URL argument are removed when calling the URL constructor.Firefox: Before version 122, host, hostname, and port were not parsed for unknown protocols/schemes.Firefox for Android: Before version 122, host, hostname, and port were not parsed for unknown protocols/schemes.Safari: Before Safari 14.1, calling the URL constructor with a base URL whose value is undefined caused Safari to throw a TypeError, see bug 216841.Safari on iOS: Before Safari on iOS 14.1, calling the URL constructor with a base URL whose value is undefined caused Safari on iOS to throw a TypeError, see bug 216841.WebView on iOS: Before WebView on iOS 14.1, calling the URL constructor with a base URL whose value is undefined caused WebView on iOS to throw a TypeError, see bug 216841.
api.WEBGL_compressed_texture_s3tc_srgb 📋Chrome7/25/2017 Safari on iOS4/26/20211371
api.WaveShaperNode.WaveShaperNode 📋Chrome12/1/2016 Safari on iOS4/26/20211607
api.Worklet 📋Chrome3/6/2018 Safari on iOS4/26/20211147
api.Worklet.addModule 📋Chrome3/6/2018 Safari on iOS4/26/20211147
api.WorkletGlobalScope 📋Chrome3/6/2018 Safari on iOS4/26/20211147
api.WritableStream 📋Chrome6/5/2017 Safari on iOS4/26/20211421
Node.js: Available as a part of the stream/web module.
api.WritableStream.WritableStream 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStream.abort 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStream.close 📋Chrome4/7/2020 Safari on iOS4/26/2021384
api.WritableStream.getWriter 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStream.locked 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultController 📋Chrome6/5/2017 Safari on iOS4/26/20211421
Node.js: Available as a part of the stream/web module.
api.WritableStreamDefaultController.error 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter 📋Chrome6/5/2017 Safari on iOS4/26/20211421
Node.js: Available as a part of the stream/web module.
api.WritableStreamDefaultWriter.WritableStreamDefaultWriter 📋Chrome10/22/2019 Safari on iOS4/26/2021552
api.WritableStreamDefaultWriter.abort 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.close 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.closed 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.desiredSize 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.ready 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.releaseLock 📋Chrome6/5/2017 Safari on iOS4/26/20211421
api.WritableStreamDefaultWriter.write 📋Chrome6/5/2017 Safari on iOS4/26/20211421
javascript.builtins.FinalizationRegistry 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.FinalizationRegistry.FinalizationRegistry 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.FinalizationRegistry.register 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.FinalizationRegistry.unregister 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.Intl.Collator.Collator.options_collation_parameter Chrome10/20/2020 Safari on iOS4/26/2021188
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_calendar_parameter Chrome2/4/2020 Safari on iOS4/26/2021447
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_dateStyle_parameter Chrome7/30/2019 Safari on iOS4/26/2021636
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_fractionalSecondDigits_parameter Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_numberingSystem_parameter Chrome2/4/2020 Safari on iOS4/26/2021447
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeStyle_parameter Chrome7/30/2019 Safari on iOS4/26/2021636
javascript.builtins.Intl.DateTimeFormat.formatRange 📋Chrome7/30/2019 Safari on iOS4/26/2021636
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.
javascript.builtins.Intl.DateTimeFormat.formatRangeToParts 📋Chrome7/30/2019 Safari on iOS4/26/2021636
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.
javascript.builtins.Intl.DisplayNames 📋Chrome4/7/2020 Safari on iOS4/26/2021384
javascript.builtins.Intl.DisplayNames.DisplayNames 📋Chrome4/7/2020 Safari on iOS4/26/2021384
javascript.builtins.Intl.DisplayNames.of 📋Chrome4/7/2020 Safari on iOS4/26/2021384
javascript.builtins.Intl.DisplayNames.resolvedOptions 📋Chrome4/7/2020 Safari on iOS4/26/2021384
javascript.builtins.Intl.DisplayNames.supportedLocalesOf 📋Chrome4/7/2020 Safari on iOS4/26/2021384
javascript.builtins.Intl.ListFormat 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the ListFormat() constructor for more details.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.ListFormat.ListFormat 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the ListFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.ListFormat.format 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the ListFormat() constructor for more details.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.ListFormat.formatToParts 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the ListFormat() constructor for more details.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.ListFormat.resolvedOptions 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the ListFormat() constructor for more details.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.ListFormat.supportedLocalesOf 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.Safari: Only available on macOS Big Sur (11) and above.
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_compactDisplay_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currencyDisplay_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
Safari: Doesn't support currencyDisplay: 'narrowSymbol'.Safari on iOS: Doesn't support currencyDisplay: 'narrowSymbol'.WebView on iOS: Doesn't support currencyDisplay: 'narrowSymbol'.
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currencySign_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_notation_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_numberingSystem_parameter Chrome1/10/2013 Safari on iOS4/26/20213028
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_signDisplay_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_unitDisplay_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_unit_parameter Chrome9/10/2019 Safari on iOS4/26/2021594
javascript.builtins.Intl.Segmenter 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segmenter.Segmenter 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segmenter.resolvedOptions 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segmenter.segment 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segmenter.supportedLocalesOf 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segments 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segments.@@iterator 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.Intl.Segments.containing 📋Chrome11/17/2020 Safari on iOS4/26/2021160
javascript.builtins.WeakRef 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.WeakRef.WeakRef 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.builtins.WeakRef.deref 📋Chrome7/27/2020 Safari on iOS4/26/2021273
javascript.classes.private_class_fields 📋Chrome4/23/2019 Safari on iOS4/26/2021734
javascript.classes.static.class_fields 📋Chrome1/29/2019 Safari on iOS4/26/2021818
javascript.statements.export.arbitrary_module_namespace_identifier_names Chrome1/19/2021 Safari on iOS4/26/202197
javascript.statements.export.namespace 📋Chrome1/29/2019 Safari on iOS4/26/2021818
Node.js: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.
javascript.statements.import.arbitrary_module_namespace_identifier_names Chrome1/19/2021 Safari on iOS4/26/202197
api.StaticRange.StaticRange 📋Safari on iOS3/24/2020 Chrome4/13/2021385

2021/3

API First Browser Date Last Browser Date Days Notes
api.Navigator.canShare.data_files_parameter 📋Safari on iOS9/16/2020 Chrome3/2/2021167
api.Navigator.canShare.data_text_parameter 📋Safari on iOS9/16/2020 Chrome3/2/2021167
api.Navigator.share.data_files_parameter 📋Safari on iOS9/16/2020 Chrome3/2/2021167
api.Navigator.share.data_text_parameter 📋Safari on iOS9/16/2020 Chrome3/2/2021167

2021/1

API First Browser Date Last Browser Date Days Notes
api.RTCRtpTransceiver.stop 📋Safari on iOS9/19/2017 Chrome1/19/20211218

2020/11

API First Browser Date Last Browser Date Days Notes
api.Element.transitioncancel_event 📋Safari on iOS3/24/2020 Chrome11/17/2020238
Chrome: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Chrome Android: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Edge: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Quest Browser: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Opera: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Opera Android: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.Safari: Although the ontransitioncancel event handler property is supported, the transitioncancel event is never fired.Safari on iOS: Although the ontransitioncancel event handler property is supported, the transitioncancel event is never fired.Samsung Internet: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.WebView Android: The ontransitioncancel event handler property is not supported. To listen to this event, use element.addEventListener('transitioncancel', function() {});.WebView on iOS: Although the ontransitioncancel event handler property is supported, the transitioncancel event is never fired.
api.TextMetrics.fontBoundingBoxAscent 📋Safari on iOS3/29/2018 Chrome11/17/2020964
api.TextMetrics.fontBoundingBoxDescent 📋Safari on iOS3/29/2018 Chrome11/17/2020964

2020/10

API First Browser Date Last Browser Date Days Notes
api.Clipboard.type_text-html Safari on iOS3/24/2020 Chrome10/20/2020210
api.Document.replaceChildren 📋Safari on iOS9/16/2020 Chrome10/20/202034
api.DocumentFragment.replaceChildren 📋Safari on iOS9/16/2020 Chrome10/20/202034
api.Element.replaceChildren 📋Safari on iOS9/16/2020 Chrome10/20/202034
api.Element.scrollLeft 📋Safari on iOS6/29/2007 Chrome10/20/20204862
Chrome: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.Chrome Android: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.Edge: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.Internet Explorer: For right-to-left elements, this property uses 100-0 (most left to most right) instead of negative values.Quest Browser: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.Samsung Internet: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.WebView Android: For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See bug 41319147.

2020/9

API First Browser Date Last Browser Date Days Notes
api.AudioParam.automationRate 📋Chrome7/24/2018 Safari on iOS9/16/2020785
api.AudioScheduledSourceNode 📋Chrome3/9/2017 Safari on iOS9/16/20201287
Chrome: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Chrome Android: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Edge: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Firefox: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Firefox for Android: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Opera: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Opera Android: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Safari: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Safari on iOS: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.Samsung Internet: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.WebView Android: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.WebView on iOS: The AudioScheduledSourceNode interface itself is not present, but some of its members are available on the AudioBufferSourceNode, ConstantSourceNode and OscillatorNode interfaces.
api.BlobEvent 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.BlobEvent.BlobEvent 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.BlobEvent.data 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.Document.getAnimations 📋Chrome7/27/2020 Safari on iOS9/16/202051
Safari: Implements an older version of the specification, see bug 179536.Safari on iOS: Implements an older version of the specification, see bug 179536.WebView on iOS: Implements an older version of the specification, see bug 179536.
api.DragEvent 📋Chrome10/13/2015 Safari on iOS9/16/20201800
Internet Explorer: Before Internet Explorer 10, DragEvent is exposed in standards mode but not quirks mode.
api.DragEvent.DragEvent 📋Chrome10/13/2015 Safari on iOS9/16/20201800
api.DragEvent.dataTransfer 📋Chrome10/13/2015 Safari on iOS9/16/20201800
Internet Explorer: The value is always null.
api.EXT_color_buffer_half_float 📋Chrome12/6/2017 Safari on iOS9/16/20201015
Firefox: Not supported on Windows.
api.Element.animate.options_pseudoElement_parameter 📋Chrome7/27/2020 Safari on iOS9/16/202051
api.Element.scroll.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
api.Element.scrollBy.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
api.Element.scrollIntoView.options_parameter 📋Chrome9/5/2017 Safari on iOS9/16/20201107
api.Element.scrollIntoView.options_parameter.block_option 📋Chrome9/5/2017 Safari on iOS9/16/20201107
Firefox: Only values "top" and "bottom", not "nearest" and "center".Firefox for Android: Only values "top" and "bottom", not "nearest" and "center".
api.Element.scrollIntoView.options_parameter.inline_option 📋Chrome9/5/2017 Safari on iOS9/16/20201107
api.Element.scrollTo.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
api.EventTarget.EventTarget 📋Chrome1/23/2018 Safari on iOS9/16/2020967
api.HTMLAnchorElement.referrerPolicy 📋Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLAnchorElement.referrerPolicy.no-referrer-when-downgrade Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLAnchorElement.referrerPolicy.origin-when-cross-origin Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLAnchorElement.referrerPolicy.unsafe-url Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLIFrameElement.referrerPolicy 📋Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLIFrameElement.referrerPolicy.no-referrer-when-downgrade Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLIFrameElement.referrerPolicy.origin-when-cross-origin Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLIFrameElement.referrerPolicy.unsafe-url Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLImageElement.referrerPolicy 📋Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLImageElement.referrerPolicy.no-referrer-when-downgrade Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLImageElement.referrerPolicy.origin-when-cross-origin Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLImageElement.referrerPolicy.unsafe-url Chrome7/20/2016 Safari on iOS9/16/20201519
api.HTMLScriptElement.referrerPolicy 📋Chrome10/16/2018 Safari on iOS9/16/2020701
api.HTMLScriptElement.referrerPolicy.no-referrer-when-downgrade Chrome10/16/2018 Safari on iOS9/16/2020701
api.HTMLScriptElement.referrerPolicy.origin-when-cross-origin Chrome10/16/2018 Safari on iOS9/16/2020701
api.HTMLScriptElement.referrerPolicy.unsafe-url Chrome10/16/2018 Safari on iOS9/16/2020701
api.IDBFactory.databases 📋Chrome1/29/2019 Safari on iOS9/16/2020596
api.IntersectionObserver.IntersectionObserver.options_root_parameter_Document Chrome4/7/2020 Safari on iOS9/16/2020162
api.KeyframeEffect.pseudoElement 📋Chrome7/27/2020 Safari on iOS9/16/202051
api.MediaMetadata 📋Chrome3/9/2017 Safari on iOS9/16/20201287
Firefox for Android: Firefox exposes the API, but does not provide a corresponding user-facing media control interface.
api.MediaMetadata.MediaMetadata 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.MediaMetadata.album 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.MediaMetadata.artist 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.MediaMetadata.artwork 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.MediaMetadata.title 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.MediaQueryList.EventTarget_inheritance Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaQueryList.change_event 📋Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaQueryListEvent 📋Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaQueryListEvent.MediaQueryListEvent 📋Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaQueryListEvent.matches 📋Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaQueryListEvent.media 📋Chrome11/18/2014 Safari on iOS9/16/20202129
api.MediaRecorder 📋Chrome12/1/2015 Safari on iOS9/16/20201751
Firefox: Before Firefox 58, using MediaStream.addTrack() on a stream obtained using getUserMedia(), then attempting to record the resulting stream would result in only recording the original stream without the added tracks (severe bug).Firefox for Android: Before Firefox for Android 58, using MediaStream.addTrack() on a stream obtained using getUserMedia(), then attempting to record the resulting stream would result in only recording the original stream without the added tracks (severe bug).
api.MediaRecorder.MediaRecorder 📋Chrome12/1/2015 Safari on iOS9/16/20201751
api.MediaRecorder.MediaRecorder.options_parameter Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.dataavailable_event 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.error_event 📋Chrome3/2/2016 Safari on iOS9/16/20201659
Chrome: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Chrome Android: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Edge: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Quest Browser: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Opera: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Opera Android: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.Samsung Internet: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.WebView Android: The interface for this event is a plain Event, not ErrorEvent. See bug 40791876.
api.MediaRecorder.isTypeSupported_static 📋Chrome12/1/2015 Safari on iOS9/16/20201751
api.MediaRecorder.mimeType 📋Chrome3/2/2016 Safari on iOS9/16/20201659
Chrome: Before Chrome 49, only video is supported, not audio.Chrome Android: Before Chrome Android 49, only video is supported, not audio.Firefox: Starting with Firefox 71, the behavior of mimeType is more consistent. For example, it now returns the media type even after recording has stopped.WebView Android: Before WebView Android 49, only video is supported, not audio.
api.MediaRecorder.requestData 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.start 📋Chrome12/1/2015 Safari on iOS9/16/20201751
api.MediaRecorder.start_event 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.state 📋Chrome3/2/2016 Safari on iOS9/16/20201659
Chrome: Before Chrome 49, only video is supported, not audio.Chrome Android: Before Chrome Android 49, only video is supported, not audio.WebView Android: Before WebView Android 49, only video is supported, not audio.
api.MediaRecorder.stop 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.stop_event 📋Chrome3/2/2016 Safari on iOS9/16/20201659
api.MediaRecorder.stream 📋Chrome3/2/2016 Safari on iOS9/16/20201659
Chrome: Before Chrome 49, only video is supported, not audio.Chrome Android: Before Chrome Android 49, only video is supported, not audio.
api.OfflineAudioCompletionEvent.OfflineAudioCompletionEvent 📋Chrome3/9/2017 Safari on iOS9/16/20201287
api.RTCStatsReport.type_codec.sdpFmtpLine 📋Chrome5/19/2020 Safari on iOS9/16/2020120
api.RTCStatsReport.type_inbound-rtp.kind 📋Chrome2/4/2020 Safari on iOS9/16/2020225
api.RTCStatsReport.type_outbound-rtp.kind 📋Chrome2/4/2020 Safari on iOS9/16/2020225
api.RTCStatsReport.type_remote-inbound-rtp.kind 📋Chrome2/4/2020 Safari on iOS9/16/2020225
api.ShadowRoot.getAnimations 📋Chrome7/27/2020 Safari on iOS9/16/202051
api.URLSearchParams.delete 📋Chrome3/2/2016 Safari on iOS9/16/20201659
Safari: Removing a non-existent query parameter doesn't remove ? from the URL. See bug 193022.Safari on iOS: Removing a non-existent query parameter doesn't remove ? from the URL. See bug 193022.WebView on iOS: Removing a non-existent query parameter doesn't remove ? from the URL. See bug 193022.
api.WEBGL_debug_shaders 📋Chrome12/1/2015 Safari on iOS9/16/20201751
api.WEBGL_debug_shaders.getTranslatedShaderSource 📋Chrome12/1/2015 Safari on iOS9/16/20201751
api.Window.scroll.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
Safari: Safari does not have support for the smooth scroll behavior.Safari on iOS: Safari on iOS does not have support for the smooth scroll behavior.WebView on iOS: WebView on iOS does not have support for the smooth scroll behavior.
api.Window.scrollBy.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
Safari: Safari does not have support for the smooth scroll behavior.Safari on iOS: Safari on iOS does not have support for the smooth scroll behavior.WebView on iOS: WebView on iOS does not have support for the smooth scroll behavior.
api.Window.scrollTo.options_behavior_parameter Chrome9/5/2017 Safari on iOS9/16/20201107
Safari: Before version 15.4, Safari did not have support for the smooth scroll behavior.Safari on iOS: Before version 15.4, Safari on iOS did not have support for the smooth scroll behavior.WebView on iOS: Before version 15.4, WebView on iOS did not have support for the smooth scroll behavior.
javascript.builtins.AggregateError 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.builtins.AggregateError.AggregateError 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.builtins.AggregateError.errors 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.builtins.BigInt 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.BigInt 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.asIntN 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.asUintN 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.toLocaleString 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.toLocaleString.locales_parameter Chrome7/30/2019 Safari on iOS9/16/2020414
Deno: Only the locale data for en-US is available.
javascript.builtins.BigInt.toLocaleString.options_parameter Chrome7/30/2019 Safari on iOS9/16/2020414
javascript.builtins.BigInt.toString 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.BigInt.valueOf 📋Chrome5/29/2018 Safari on iOS9/16/2020841
javascript.builtins.Intl.Locale 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.Locale 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.baseName 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.calendar 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.caseFirst 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.collation 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.hourCycle 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.language 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.maximize 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.minimize 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.numberingSystem 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.numeric 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.region 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.script 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.Locale.toString 📋Chrome4/23/2019 Safari on iOS9/16/2020512
javascript.builtins.Intl.RelativeTimeFormat 📋Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the RelativeTimeFormat() constructor for more details.
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat 📋Chrome12/4/2018 Safari on iOS9/16/2020652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.locales_parameter Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the RelativeTimeFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_localeMatcher_parameter Chrome12/4/2018 Safari on iOS9/16/2020652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numberingSystem_parameter Chrome12/4/2018 Safari on iOS9/16/2020652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numeric_parameter Chrome12/4/2018 Safari on iOS9/16/2020652
javascript.builtins.Intl.RelativeTimeFormat.format 📋Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the RelativeTimeFormat() constructor for more details.
javascript.builtins.Intl.RelativeTimeFormat.formatToParts 📋Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the RelativeTimeFormat() constructor for more details.
javascript.builtins.Intl.RelativeTimeFormat.resolvedOptions 📋Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the RelativeTimeFormat() constructor for more details.
javascript.builtins.Intl.RelativeTimeFormat.supportedLocalesOf 📋Chrome12/4/2018 Safari on iOS9/16/2020652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Promise.any 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.builtins.Symbol.toStringTag.dom_objects Chrome4/13/2016 Safari on iOS9/16/20201617
javascript.operators.logical_and_assignment 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.operators.logical_or_assignment 📋Chrome8/25/2020 Safari on iOS9/16/202022
javascript.operators.nullish_coalescing_assignment 📋Chrome8/25/2020 Safari on iOS9/16/202022

2020/8

API First Browser Date Last Browser Date Days Notes
javascript.builtins.String.replaceAll 📋Safari on iOS3/24/2020 Chrome8/25/2020154

2020/7

API First Browser Date Last Browser Date Days Notes
api.Animation.commitStyles 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.finished 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.persist 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.ready 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.remove_event 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.remove_filling_animation Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.replaceState 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Animation.timeline 📋Safari on iOS3/24/2020 Chrome7/27/2020125
Firefox: Only the getter is supportedFirefox for Android: Only the getter is supportedSafari: Only the getter is supportedSafari on iOS: Only the getter is supportedWebView on iOS: Only the getter is supported
api.AnimationPlaybackEvent 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.AnimationPlaybackEvent.AnimationPlaybackEvent 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.AnimationPlaybackEvent.currentTime 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.AnimationPlaybackEvent.timelineTime 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.AnimationTimeline 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.AnimationTimeline.currentTime 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.CSSAnimation 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.CSSAnimation.animationName 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.CSSTransition 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.CSSTransition.transitionProperty 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Document.timeline 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.DocumentTimeline 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.DocumentTimeline.DocumentTimeline 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.Element.animate.implicit_tofrom Safari on iOS3/24/2020 Chrome7/27/2020125
Safari: Implementation seems somewhat buggy. More information will follow when available.Safari on iOS: Implementation seems somewhat buggy. More information will follow when available.WebView on iOS: Implementation seems somewhat buggy. More information will follow when available.
api.Element.ariaSetSize 📋Safari on iOS3/25/2019 Chrome7/27/2020490
api.Element.getAnimations 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.KeyframeEffect.getKeyframes 📋Safari on iOS3/24/2020 Chrome7/27/2020125
api.KeyframeEffect.setKeyframes 📋Safari on iOS3/24/2020 Chrome7/27/2020125

2020/5

API First Browser Date Last Browser Date Days Notes
api.Element.animationcancel_event 📋Safari on iOS3/24/2020 Chrome5/19/202056
Chrome: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Chrome Android: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Edge: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Quest Browser: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Opera: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Opera Android: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.Safari: Although the onanimationcancel event handler property is supported, the animationcancel event is never fired.Safari on iOS: Although the onanimationcancel event handler property is supported, the animationcancel event is never fired.Samsung Internet: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.WebView Android: The onanimationcancel event handler property is not supported. To listen to this event, use element.addEventListener('animationcancel', function() {});. See bug 41404325.WebView on iOS: Although the onanimationcancel event handler property is supported, the animationcancel event is never fired.
api.RTCRtpSender.getParameters.return_object_property_degradationPreference 📋Safari on iOS3/25/2019 Chrome5/19/2020421
api.RTCRtpSender.setParameters.parameters_degradationPreference_parameter 📋Safari on iOS3/25/2019 Chrome5/19/2020421

2020/4

API First Browser Date Last Browser Date Days Notes
api.Element.ariaAtomic 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaAutoComplete 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaBusy 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaChecked 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaColCount 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaColIndex 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaColSpan 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaCurrent 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaDisabled 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaExpanded 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaHasPopup 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaHidden 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaKeyShortcuts 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaLabel 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaLevel 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaLive 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaModal 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaMultiLine 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaMultiSelectable 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaOrientation 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaPlaceholder 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaPosInSet 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaPressed 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaReadOnly 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRelevant Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRequired 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRoleDescription 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRowCount 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRowIndex 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaRowSpan 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaSelected 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaSort 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaValueMax 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaValueMin 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaValueNow 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.Element.ariaValueText 📋Safari on iOS3/25/2019 Chrome4/7/2020379
api.RTCRtpSender.setParameters.parameters_encodings_parameter.maxFramerate 📋Safari on iOS9/19/2017 Chrome4/7/2020931
Firefox: Zero is treated as 'no fps limit' (see bug 1611957).Firefox for Android: Zero is treated as 'no fps limit' (see bug 1611957).
api.ServiceWorkerGlobalScope.messageerror_event 📋Safari on iOS3/29/2018 Chrome4/7/2020740
Safari: Although the onmessageerror property is supported, the messageerror event is never fired. See bug 272967.Safari on iOS: Although the onmessageerror property is supported, the messageerror event is never fired. See bug 272967.

2020/3

API First Browser Date Last Browser Date Days Notes
api.Animation 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.Animation 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.cancel 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.cancel_event 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.currentTime 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.effect 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.finish 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.finish_event 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.id 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.pause 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.pending 📋Chrome7/30/2019 Safari on iOS3/24/2020238
Firefox: Before version 59, the pending status was reported by a "pending" value returned from Animation.playState.Firefox for Android: Before version 59, the pending status was reported by a "pending" value returned from Animation.playState.
api.Animation.play 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.playState 📋Chrome6/4/2019 Safari on iOS3/24/2020294
Chrome: Before Chrome 50/Opera 37, this property returned idle for an animation that had not yet started. Starting with Chrome 50/Opera 37, it shows paused.Chrome Android: Before Chrome Android 50/Opera 37, this property returned idle for an animation that had not yet started. Starting with Chrome Android 50/Opera 37, it shows paused.Firefox: Before Firefox 59, this property returned pending for Animations with incomplete asynchronous operations but as of Firefox 59 this is indicated by the separate Animation.pending property. This reflects recent changes to the specification.Firefox for Android: Before Firefox for Android 59, this property returned pending for Animations with incomplete asynchronous operations but as of Firefox for Android 59 this is indicated by the separate Animation.pending property. This reflects recent changes to the specification.Quest Browser: Before Quest Browser 5.0/Opera 37, this property returned idle for an animation that had not yet started. Starting with Quest Browser 5.0/Opera 37, it shows paused.Opera: Before Chrome 50/Opera 37, this property returned idle for an animation that had not yet started. Starting with Chrome 50/Opera 37, it shows paused.Opera Android: Before Chrome 50/Opera 37, this property returned idle for an animation that had not yet started. Starting with Chrome 50/Opera 37, it shows paused.Samsung Internet: Before Samsung Internet 5.0/Opera 37, this property returned idle for an animation that had not yet started. Starting with Samsung Internet 5.0/Opera 37, it shows paused.WebView Android: Before WebView Android 50/Opera 37, this property returned idle for an animation that had not yet started. Starting with WebView Android 50/Opera 37, it shows paused.
api.Animation.playbackRate 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.reverse 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.startTime 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.Animation.updatePlaybackRate 📋Chrome7/30/2019 Safari on iOS3/24/2020238
api.AnimationEffect 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.AnimationEffect.getComputedTiming 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.AnimationEffect.getTiming 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.AnimationEffect.updateTiming 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.AnimationEvent.pseudoElement 📋Chrome7/24/2018 Safari on iOS3/24/2020609
api.Clipboard 📋Chrome4/17/2018 Safari on iOS3/24/2020707
api.Clipboard.read 📋Chrome7/30/2019 Safari on iOS3/24/2020238
Chrome: The user must grant the clipboard-read permission.Chrome Android: The user must grant the clipboard-read permission.Edge: The user must grant the clipboard-read permission.Firefox: This method must be called within user gesture event handlers.Firefox: A paste prompt is displayed when the clipboard is read. If the clipboard contains same-origin content, the prompt is suppressed.Firefox: Web extensions with the clipboardRead permission in their manifest can read data without the paste prompt displaying. Prior to Firefox 147, extensions without this permission were unable to read clipboard data.Firefox for Android: This method must be called within user gesture event handlers.Firefox for Android: A paste prompt is displayed when the clipboard is read. If the clipboard contains same-origin content, the prompt is suppressed.Firefox for Android: Web extensions with the clipboardRead permission in their manifest can read data without the paste prompt displaying. Prior to Firefox for Android 147, extensions without this permission were unable to read clipboard data.Quest Browser: The user must grant the clipboard-read permission.Opera: The user must grant the clipboard-read permission.Opera Android: The user must grant the clipboard-read permission.Samsung Internet: The user must grant the clipboard-read permission.WebView Android: The user must grant the clipboard-read permission.
api.Clipboard.readText 📋Chrome4/17/2018 Safari on iOS3/24/2020707
Chrome: The user must grant the clipboard-read permission.Chrome Android: The user must grant the clipboard-read permission.Edge: The user must grant the clipboard-read permission.Firefox: This method must be called within user gesture event handlers.Firefox: A paste prompt is displayed when the clipboard is read. If the clipboard contains same-origin content, the prompt is suppressed.Firefox: Web extensions with the clipboardRead permission in their manifest can read data without the paste prompt displaying. Prior to Firefox 147, extensions without this permission were unable to read clipboard data.Firefox for Android: This method must be called within user gesture event handlers.Firefox for Android: A paste prompt is displayed when the clipboard is read. If the clipboard contains same-origin content, the prompt is suppressed.Firefox for Android: Web extensions with the clipboardRead permission in their manifest can read data without the paste prompt displaying. Prior to Firefox for Android 147, extensions without this permission were unable to read clipboard data.Quest Browser: The user must grant the clipboard-read permission.Opera: The user must grant the clipboard-read permission.Opera Android: The user must grant the clipboard-read permission.Samsung Internet: The user must grant the clipboard-read permission.WebView Android: The user must grant the clipboard-read permission.
api.Clipboard.type_image-png Chrome7/30/2019 Safari on iOS3/24/2020238
api.Clipboard.type_text-plain Chrome7/30/2019 Safari on iOS3/24/2020238
api.Clipboard.write 📋Chrome7/30/2019 Safari on iOS3/24/2020238
Chrome: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Chrome: Before version 107, the user must grant the clipboard-write permission.Chrome Android: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Chrome Android: Before version 107, the user must grant the clipboard-write permission.Firefox: This method must be called within user gesture event handlers.Firefox: Web extensions with the clipboardWrite permission in their manifest can write data without a user gesture.Firefox for Android: This method must be called within user gesture event handlers.Firefox for Android: Web extensions with the clipboardWrite permission in their manifest can write data without a user gesture.Quest Browser: From version false, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Quest Browser: Before version false, the user must grant the clipboard-write permission.Opera: From version 93, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Opera: Before version 93, the user must grant the clipboard-write permission.Opera Android: From version 73, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Opera Android: Before version 73, the user must grant the clipboard-write permission.Samsung Internet: From version 21.0, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Samsung Internet: Before version 21.0, the user must grant the clipboard-write permission.WebView Android: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.WebView Android: Before version 107, the user must grant the clipboard-write permission.
api.Clipboard.writeText 📋Chrome4/17/2018 Safari on iOS3/24/2020707
Chrome: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Chrome: Before version 107, the user must grant the clipboard-write permission.Chrome Android: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Chrome Android: Before version 107, the user must grant the clipboard-write permission.Edge: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Edge: Before version 107, the user must grant the clipboard-write permission.Firefox: This method must be called within user gesture event handlers.Firefox: Web extensions with the clipboardWrite permission in their manifest can write data without a user gesture.Firefox for Android: This method must be called within user gesture event handlers.Firefox for Android: Web extensions with the clipboardWrite permission in their manifest can write data without a user gesture.Quest Browser: From version false, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Quest Browser: Before version false, the user must grant the clipboard-write permission.Opera: From version 93, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Opera: Before version 93, the user must grant the clipboard-write permission.Opera Android: From version 73, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Opera Android: Before version 73, the user must grant the clipboard-write permission.Safari: This method must be called within user gesture event handlers.Safari on iOS: This method must be called within user gesture event handlers.Samsung Internet: From version 21.0, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.Samsung Internet: Before version 21.0, the user must grant the clipboard-write permission.WebView Android: From version 107, this method must be called within user gesture event handlers, or the user must grant the clipboard-write permission.WebView Android: Before version 107, the user must grant the clipboard-write permission.WebView on iOS: This method must be called within user gesture event handlers.
api.ClipboardItem 📋Chrome7/30/2019 Safari on iOS3/24/2020238
api.ClipboardItem.getType 📋Chrome7/30/2019 Safari on iOS3/24/2020238
api.ClipboardItem.types 📋Chrome7/30/2019 Safari on iOS3/24/2020238
api.Document.exitPictureInPicture 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.Document.pictureInPictureElement 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.Document.pictureInPictureEnabled 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.Element.animate 📋Chrome7/16/2014 Safari on iOS3/24/20202078
api.Element.animate.options_id_parameter 📋Chrome4/13/2016 Safari on iOS3/24/20201441
api.Element.attachShadow.options_delegatesFocus_parameter 📋Chrome8/31/2016 Safari on iOS3/24/20201301
api.Element.part 📋Chrome3/12/2019 Safari on iOS3/24/2020378
api.Element.transitionrun_event 📋Chrome4/23/2019 Safari on iOS3/24/2020336
Internet Explorer: The ontransitionrun event handler property is not supported. To listen to this event, use element.addEventListener('transitionrun', function() {});.Safari: The event handler exists but will never be called.Safari on iOS: The event handler exists but will never be called.WebView on iOS: The event handler exists but will never be called.
api.Element.transitionstart_event 📋Chrome4/23/2019 Safari on iOS3/24/2020336
Internet Explorer: The ontransitionstart event handler property is not supported. To listen to this event, use element.addEventListener('transitionstart', function() {});.Safari: The event handler exists but will never be called.Safari on iOS: The event handler exists but will never be called.WebView on iOS: The event handler exists but will never be called.
api.FormData.worker_support Chrome4/13/2016 Safari on iOS3/24/20201441
api.GeolocationCoordinates 📋Chrome12/10/2019 Safari on iOS3/24/2020105
api.GeolocationPosition 📋Chrome12/10/2019 Safari on iOS3/24/2020105
api.GeolocationPositionError 📋Chrome12/10/2019 Safari on iOS3/24/2020105
api.HTMLElement.enterKeyHint 📋Chrome9/10/2019 Safari on iOS3/24/2020196
api.HTMLVideoElement.disablePictureInPicture 📋Chrome9/4/2018 Safari on iOS3/24/2020567
Firefox: When this property is set to true, the overlay button to disable picture-in-picture (PiP) is hidden, but the user can still enable PiP.Firefox: This property is undefined, but still has an effect if set to a value.Firefox: When this property is set to true, the overlay button to disable picture-in-picture (PiP) is hidden, but the user can still enable PiP.Firefox for Android: When this property is set to true, the overlay button to disable picture-in-picture (PiP) is hidden, but the user can still enable PiP.Firefox for Android: This property is undefined, but still has an effect if set to a value.Firefox for Android: When this property is set to true, the overlay button to disable picture-in-picture (PiP) is hidden, but the user can still enable PiP.
api.HTMLVideoElement.enterpictureinpicture_event 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.HTMLVideoElement.leavepictureinpicture_event 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.HTMLVideoElement.requestPictureInPicture 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.KeyframeEffect 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.KeyframeEffect.KeyframeEffect 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.KeyframeEffect.target 📋Chrome6/4/2019 Safari on iOS3/24/2020294
api.MediaDevices.getSupportedConstraints.return_object_property_echoCancellation 📋Chrome8/31/2016 Safari on iOS3/24/20201301
api.Navigator.clipboard 📋Chrome4/17/2018 Safari on iOS3/24/2020707
api.PictureInPictureEvent.pictureInPictureWindow 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.PictureInPictureWindow 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.PictureInPictureWindow.height 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.PictureInPictureWindow.resize_event 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.PictureInPictureWindow.width 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.RTCDTMFSender 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFSender.canInsertDTMF 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFSender.insertDTMF 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFSender.toneBuffer 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFSender.tonechange_event 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFToneChangeEvent 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFToneChangeEvent.RTCDTMFToneChangeEvent 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCDTMFToneChangeEvent.tone 📋Chrome5/21/2013 Safari on iOS3/24/20202499
api.RTCRtpSender.dtmf 📋Chrome4/17/2018 Safari on iOS3/24/2020707
api.RTCRtpTransceiver.setCodecPreferences 📋Chrome7/30/2019 Safari on iOS3/24/2020238
api.RTCStatsReport.type_candidate-pair.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_candidate-pair.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_candidate-pair.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.base64Certificate 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.fingerprint 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.fingerprintAlgorithm 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_certificate.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.clockRate 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.mimeType 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.payloadType 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_codec.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.bytesReceived 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.bytesSent 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.label 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.messagesReceived 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.messagesSent 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.protocol 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.state 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_data-channel.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.bytesReceived 📋Chrome12/10/2019 Safari on iOS3/24/2020105
api.RTCStatsReport.type_inbound-rtp.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.jitter 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.packetsLost 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.packetsReceived 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_inbound-rtp.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_local-candidate.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_local-candidate.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_local-candidate.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_outbound-rtp.bytesSent 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_outbound-rtp.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_outbound-rtp.packetsSent 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_outbound-rtp.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_outbound-rtp.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection.dataChannelsClosed 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection.dataChannelsOpened 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_peer-connection.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_remote-candidate.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_remote-candidate.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_remote-candidate.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.bytesReceived 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.bytesSent 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.id 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.localCertificateId 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.remoteCertificateId 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.selectedCandidatePairId 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.timestamp 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.RTCStatsReport.type_transport.type 📋Chrome2/4/2020 Safari on iOS3/24/202049
api.ResizeObserver 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserver.ResizeObserver 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserver.disconnect 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserver.observe 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserver.unobserve 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserverEntry 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserverEntry.contentRect 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.ResizeObserverEntry.target 📋Chrome1/23/2018 Safari on iOS3/24/2020791
api.SVGLengthList.length 📋Chrome5/20/2014 Safari on iOS3/24/20202135
api.SVGNumberList.length 📋Chrome5/20/2014 Safari on iOS3/24/20202135
api.SVGPointList.length 📋Chrome5/20/2014 Safari on iOS3/24/20202135
api.SVGStringList.length 📋Chrome5/20/2014 Safari on iOS3/24/20202135
api.SVGTransformList.length 📋Chrome5/20/2014 Safari on iOS3/24/20202135
api.ShadowRoot.pictureInPictureElement 📋Chrome9/4/2018 Safari on iOS3/24/2020567
api.WEBGL_compressed_texture_etc 📋Chrome12/6/2017 Safari on iOS3/24/2020839
api.WEBGL_compressed_texture_etc1 📋Chrome3/2/2016 Safari on iOS3/24/20201483
javascript.grammar.hashbang_comments 📋Chrome4/23/2019 Safari on iOS3/24/2020336
javascript.operators.nullish_coalescing 📋Chrome2/4/2020 Safari on iOS3/24/202049
javascript.operators.optional_chaining 📋Chrome2/4/2020 Safari on iOS3/24/202049

2020/2

API First Browser Date Last Browser Date Days Notes
api.HTMLVideoElement.getVideoPlaybackQuality 📋Safari on iOS3/25/2019 Chrome2/4/2020316
Internet Explorer: Only works on Windows 8+.
api.RTCStatsReport.type_inbound-rtp.ssrc 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_inbound-rtp.transportId 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_local-candidate 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_local-candidate.candidateType 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_local-candidate.port 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_local-candidate.priority 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_local-candidate.protocol 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_local-candidate.transportId 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_outbound-rtp 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_outbound-rtp.codecId 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_outbound-rtp.ssrc 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_outbound-rtp.transportId 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_remote-candidate 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-candidate.candidateType 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-candidate.port 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-candidate.priority 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-candidate.protocol 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-candidate.transportId 📋Safari on iOS3/25/2019 Chrome2/4/2020316
api.RTCStatsReport.type_remote-inbound-rtp 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_remote-inbound-rtp.codecId 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_remote-inbound-rtp.ssrc 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.RTCStatsReport.type_remote-inbound-rtp.transportId 📋Safari on iOS9/19/2017 Chrome2/4/2020868
api.VideoPlaybackQuality.corruptedVideoFrames 📋Safari on iOS3/25/2019 Chrome2/4/2020316
Internet Explorer: Only works on Windows 8+.

2019/12

API First Browser Date Last Browser Date Days Notes
api.Element.animationend_event 📋Safari on iOS9/16/2015 Chrome12/10/20191546
Chrome: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Chrome Android: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Edge: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Firefox: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Firefox for Android: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Internet Explorer: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Quest Browser: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Opera: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Opera Android: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.Samsung Internet: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.WebView Android: The onanimationend event handler property is not supported. To listen to this event, use document.addEventListener('animationend', function() {});.
api.Element.animationiteration_event 📋Safari on iOS9/16/2015 Chrome12/10/20191546
Chrome: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Chrome Android: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Edge: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Firefox: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Firefox for Android: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Internet Explorer: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Quest Browser: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Opera: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Opera Android: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.Samsung Internet: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.WebView Android: The onanimationiteration event handler property is not supported. To listen to this event, use document.addEventListener('animationiteration', function() {});.
api.Element.animationstart_event 📋Safari on iOS9/16/2015 Chrome12/10/20191546
Chrome: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Chrome Android: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Edge: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Firefox: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Firefox for Android: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Internet Explorer: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Quest Browser: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Opera: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Opera Android: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.Samsung Internet: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.WebView Android: The onanimationstart event handler property is not supported. To listen to this event, use document.addEventListener('animationstart', function() {});.
api.RTCStatsReport.type_inbound-rtp 📋Safari on iOS9/19/2017 Chrome12/10/2019812

2019/10

API First Browser Date Last Browser Date Days Notes
api.PaymentResponse.payerdetailchange_event 📋Safari on iOS3/25/2019 Chrome10/22/2019211
api.PaymentResponse.retry 📋Safari on iOS3/29/2018 Chrome10/22/2019572
api.ReadableStreamDefaultReader.ReadableStreamDefaultReader 📋Safari on iOS9/13/2016 Chrome10/22/20191134

2019/9

API First Browser Date Last Browser Date Days Notes
api.AudioTrack.sourceBuffer 📋Chrome5/25/2016 Safari on iOS9/19/20191212
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.AuthenticatorAssertionResponse 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorAssertionResponse.authenticatorData 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorAssertionResponse.signature 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorAssertionResponse.userHandle 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorAttestationResponse 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorAttestationResponse.attestationObject 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorResponse 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.AuthenticatorResponse.clientDataJSON 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.Credential 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.Credential.id 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.Credential.type 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.CredentialsContainer 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.CredentialsContainer.create 📋Chrome7/25/2017 Safari on iOS9/19/2019786
api.CredentialsContainer.create.publicKey_option 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.create.publicKey_option.attestation 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.create.publicKey_option.attestation.direct 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox for Android: credentialCreationData.attestationConveyancePreferenceOption value "direct" is not supported. See https://bugzil.la/1550164
api.CredentialsContainer.create.publicKey_option.attestation.enterprise 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox for Android: credentialCreationData.attestationConveyancePreferenceOption value "enterprise" is not supported. See https://bugzil.la/1550164
api.CredentialsContainer.create.publicKey_option.attestation.indirect 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.create.publicKey_option.attestation.none 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.create.publicKey_option.extensions 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.create.publicKey_option.extensions.appidExclude 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.get 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.CredentialsContainer.get.publicKey_option 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.get.publicKey_option.extensions 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.get.publicKey_option.extensions.appid 📋Chrome5/29/2018 Safari on iOS9/19/2019478
api.CredentialsContainer.store 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.Element.gotpointercapture_event 📋Chrome3/9/2017 Safari on iOS9/19/2019924
api.Element.hasPointerCapture 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.lostpointercapture_event 📋Chrome3/9/2017 Safari on iOS9/19/2019924
api.Element.pointercancel_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerdown_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerenter_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerleave_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointermove_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerout_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerover_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.pointerup_event 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.releasePointerCapture 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.Element.setPointerCapture 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Firefox: Before Firefox 82, setPointerCapture() throws InvalidPointerId for an invalid pointerId argument. From Firefox 82, it throws the specified NotFoundError exception. See bug 1662124.Firefox for Android: Before Firefox 82, setPointerCapture() throws InvalidPointerId for an invalid pointerId argument. From Firefox 82, it throws the specified NotFoundError exception. See bug 1662124.
api.HTMLFieldSetElement.elements.type_HTMLCollection Chrome3/9/2017 Safari on iOS9/19/2019924
api.HTMLObjectElement.contentWindow 📋Chrome8/31/2016 Safari on iOS9/19/20191114
api.MediaCapabilities 📋Chrome4/17/2018 Safari on iOS9/19/2019520
api.MediaCapabilities.decodingInfo 📋Chrome4/17/2018 Safari on iOS9/19/2019520
Chrome: codecs string can contain any subset of optional parameters (should be all or none).Chrome: Errors if codecs string contains unexpected characters (should evaluate string up to character).Chrome Android: codecs string can contain any subset of optional parameters (should be all or none).Chrome Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Edge: codecs string can contain any subset of optional parameters (should be all or none).Edge: Errors if codecs string contains unexpected characters (should evaluate string up to character).Firefox: The webrtc value of the type option is named transmission.Firefox: Before Firefox 101, decodingInfo() ignored codecs parameter options for av01 codecs (treating them as av1).Firefox for Android: The webrtc value of the type option is named transmission.Firefox for Android: Before Firefox for Android 101, decodingInfo() ignored codecs parameter options for av01 codecs (treating them as av1).Quest Browser: codecs string can contain any subset of optional parameters (should be all or none).Quest Browser: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera: codecs string can contain any subset of optional parameters (should be all or none).Opera: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera Android: codecs string can contain any subset of optional parameters (should be all or none).Opera Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Samsung Internet: codecs string can contain any subset of optional parameters (should be all or none).Samsung Internet: Errors if codecs string contains unexpected characters (should evaluate string up to character).WebView Android: codecs string can contain any subset of optional parameters (should be all or none).WebView Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).
api.MediaSource 📋Chrome11/12/2013 Safari on iOS9/19/20192137
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.MediaSource 📋Chrome11/12/2013 Safari on iOS9/19/20192137
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.activeSourceBuffers 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.addSourceBuffer 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.clearLiveSeekableRange 📋Chrome10/17/2017 Safari on iOS9/19/2019702
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.duration 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.endOfStream 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.isTypeSupported_static 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Chrome: codecs string can contain any subset of optional parameters (should be all or none).Chrome: Errors if codecs string contains unexpected characters (should evaluate string up to character).Chrome Android: codecs string can contain any subset of optional parameters (should be all or none).Chrome Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Edge: codecs string can contain any subset of optional parameters (should be all or none).Edge: Errors if codecs string contains unexpected characters (should evaluate string up to character).Firefox: Before Firefox 101, isTypeSupported() ignored codecs parameter options for av01 codecs (treating them as av1).Firefox for Android: Before Firefox 101, isTypeSupported() ignored codecs parameter options for av01 codecs (treating them as av1).Internet Explorer: Only works on Windows 8+.Quest Browser: codecs string can contain any subset of optional parameters (should be all or none).Quest Browser: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera: codecs string can contain any subset of optional parameters (should be all or none).Opera: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera Android: codecs string can contain any subset of optional parameters (should be all or none).Opera Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: codecs string can contain any subset of optional parameters (should be all or none).Samsung Internet: Errors if codecs string contains unexpected characters (should evaluate string up to character).WebView Android: codecs string can contain any subset of optional parameters (should be all or none).WebView Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).
api.MediaSource.readyState 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.removeSourceBuffer 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.setLiveSeekableRange 📋Chrome10/17/2017 Safari on iOS9/19/2019702
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.sourceBuffers 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.MediaSource.sourceclose_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onsourceclose event handler property is not supported.Chrome Android: The onsourceclose event handler property is not supported.Edge: The onsourceclose event handler property is not supported.Firefox: The onsourceclose event handler property is not supported.Firefox for Android: The onsourceclose event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onsourceclose event handler property is not supported.Opera Android: The onsourceclose event handler property is not supported.Safari: The onsourceclose event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onsourceclose event handler property is not supported.WebView Android: The onsourceclose event handler property is not supported.
api.MediaSource.sourceended_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onsourceended event handler property is not supported.Chrome Android: The onsourceended event handler property is not supported.Edge: The onsourceended event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onsourceended event handler property is not supported.Opera Android: The onsourceended event handler property is not supported.Safari: The onsourceended event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onsourceended event handler property is not supported.WebView Android: The onsourceclose event handler property is not supported.
api.MediaSource.sourceopen_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onsourceopen event handler property is not supported.Chrome Android: The onsourceopen event handler property is not supported.Edge: The onsourceopen event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onsourceopen event handler property is not supported.Opera Android: The onsourceopen event handler property is not supported.Safari: The onsourceopen event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onsourceopen event handler property is not supported.WebView Android: The onsourceopen event handler property is not supported.
api.Navigator.credentials 📋Chrome5/25/2016 Safari on iOS9/19/20191212
api.Navigator.maxTouchPoints 📋Chrome5/20/2014 Safari on iOS9/19/20191948
api.Navigator.mediaCapabilities 📋Chrome4/17/2018 Safari on iOS9/19/2019520
api.PerformanceObserver.supportedEntryTypes_static 📋Chrome3/12/2019 Safari on iOS9/19/2019191
api.PointerEvent 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: See MSDN Pointer events updates.
api.PointerEvent.PointerEvent 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: See MSDN Pointer events updates.
api.PointerEvent.height 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: Returns values in screen pixels instead of CSS document pixels.
api.PointerEvent.isPrimary 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.PointerEvent.pointerId 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.PointerEvent.pointerType 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: Returns an integer enumeration instead of a string.
api.PointerEvent.pressure 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: Returns 0 instead of 0.5 on hardware that doesn't support pressure.
api.PointerEvent.tangentialPressure 📋Chrome3/9/2017 Safari on iOS9/19/2019924
api.PointerEvent.tiltX 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.PointerEvent.tiltY 📋Chrome12/1/2016 Safari on iOS9/19/20191022
api.PointerEvent.twist 📋Chrome3/9/2017 Safari on iOS9/19/2019924
api.PointerEvent.width 📋Chrome12/1/2016 Safari on iOS9/19/20191022
Internet Explorer: Returns values in screen pixels instead of CSS document pixels.
api.PublicKeyCredential 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.PublicKeyCredential.getClientExtensionResults 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.PublicKeyCredential.rawId 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.PublicKeyCredential.response 📋Chrome5/29/2018 Safari on iOS9/19/2019478
Firefox: Only supports USB U2F tokens.Firefox for Android: Only supports USB U2F tokens.
api.Request.Request.init_keepalive_parameter 📋Chrome4/17/2018 Safari on iOS9/19/2019520
api.Request.keepalive 📋Chrome4/17/2018 Safari on iOS9/19/2019520
api.SourceBuffer 📋Chrome11/12/2013 Safari on iOS9/19/20192137
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.abort 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.abort_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onabort event handler property is not supported.Chrome Android: The onabort event handler property is not supported.Edge: The onabort event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onabort event handler property is not supported.Opera Android: The onabort event handler property is not supported.Safari: The onabort event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onabort event handler property is not supported.WebView Android: The onabort event handler property is not supported.
api.SourceBuffer.appendBuffer 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.appendWindowEnd 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.appendWindowStart 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.audioTracks 📋Chrome10/16/2018 Safari on iOS9/19/2019338
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.buffered 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.changeType 📋Chrome10/16/2018 Safari on iOS9/19/2019338
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.error_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onerror event handler property is not supported.Chrome Android: The onerror event handler property is not supported.Edge: The onerror event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onerror event handler property is not supported.Opera Android: The onerror event handler property is not supported.Safari: The onerror event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onerror event handler property is not supported.WebView Android: The onerror event handler property is not supported.
api.SourceBuffer.mode 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.remove 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.timestampOffset 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.update_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onupdate event handler property is not supported.Chrome Android: The onupdate event handler property is not supported.Edge: The onupdate event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onupdate event handler property is not supported.Opera Android: The onupdate event handler property is not supported.Safari: The onupdate event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onupdate event handler property is not supported.WebView Android: The onupdate event handler property is not supported.
api.SourceBuffer.updateend_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onupdateend event handler property is not supported.Chrome Android: The onupdateend event handler property is not supported.Edge: The onupdateend event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onupdateend event handler property is not supported.Opera Android: The onupdateend event handler property is not supported.Safari: The onupdateend event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onupdateend event handler property is not supported.WebView Android: The onupdateend event handler property is not supported.
api.SourceBuffer.updatestart_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onupdatestart event handler property is not supported.Chrome Android: The onupdatestart event handler property is not supported.Edge: The onupdatestart event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onupdatestart event handler property is not supported.Opera Android: The onupdatestart event handler property is not supported.Safari: The onupdatestart event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onupdatestart event handler property is not supported.WebView Android: The onupdatestart event handler property is not supported.
api.SourceBuffer.updating 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBuffer.videoTracks 📋Chrome10/16/2018 Safari on iOS9/19/2019338
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBufferList 📋Chrome11/12/2013 Safari on iOS9/19/20192137
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBufferList.addsourcebuffer_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onaddsourcebuffer event handler property is not supported.Chrome Android: The onaddsourcebuffer event handler property is not supported.Edge: The onaddsourcebuffer event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onaddsourcebuffer event handler property is not supported.Opera Android: The onaddsourcebuffer event handler property is not supported.Safari: The onaddsourcebuffer event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onaddsourcebuffer event handler property is not supported.WebView Android: The onaddsourcebuffer event handler property is not supported.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBufferList.length 📋Chrome11/6/2012 Safari on iOS9/19/20192508
Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.SourceBufferList.removesourcebuffer_event 📋Chrome8/31/2016 Safari on iOS9/19/20191114
Chrome: The onremovesourcebuffer event handler property is not supported.Chrome Android: The onremovesourcebuffer event handler property is not supported.Edge: The onremovesourcebuffer event handler property is not supported.Internet Explorer: Only works on Windows 8+.Opera: The onremovesourcebuffer event handler property is not supported.Opera Android: The onremovesourcebuffer event handler property is not supported.Safari: The onremovesourcebuffer event handler property is not supported.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.Samsung Internet: The onremovesourcebuffer event handler property is not supported.WebView Android: The onremovesourcebuffer event handler property is not supported.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.VideoTrack.sourceBuffer 📋Chrome5/25/2016 Safari on iOS9/19/20191212
Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone.
api.VisualViewport 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.height 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.offsetLeft 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.offsetTop 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.pageLeft 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.pageTop 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.resize_event 📋Chrome10/17/2017 Safari on iOS9/19/2019702
Chrome: The onresize event handler property is not supported.Chrome Android: The onresize event handler property is not supported.Opera: The onresize event handler property is not supported.Opera Android: The onresize event handler property is not supported.WebView Android: The onresize event handler property is not supported.
api.VisualViewport.scale 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.VisualViewport.scroll_event 📋Chrome10/17/2017 Safari on iOS9/19/2019702
Chrome: The onscroll event handler property is not supported.Chrome Android: The onscroll event handler property is not supported.Opera: The onscroll event handler property is not supported.Opera Android: The onscroll event handler property is not supported.WebView Android: The onscroll event handler property is not supported.
api.VisualViewport.width 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.Window.afterprint_event 📋Chrome12/6/2017 Safari on iOS9/19/2019652
api.Window.beforeprint_event 📋Chrome12/6/2017 Safari on iOS9/19/2019652
api.Window.visualViewport 📋Chrome9/5/2017 Safari on iOS9/19/2019744
api.console.countReset_static 📋Chrome7/24/2018 Safari on iOS9/19/2019422
api.console.timeLog_static 📋Chrome12/4/2018 Safari on iOS9/19/2019289
api.fetch.init_keepalive_parameter Chrome4/17/2018 Safari on iOS9/19/2019520
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_hourCycle_parameter Chrome3/12/2019 Safari on iOS9/19/2019191
javascript.builtins.Intl.NumberFormat.formatToParts 📋Chrome1/23/2018 Safari on iOS9/19/2019604
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the NumberFormat() constructor for more details.
javascript.builtins.Intl.PluralRules 📋Chrome12/6/2017 Safari on iOS9/19/2019652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the PluralRules() constructor for more details.
javascript.builtins.Intl.PluralRules.PluralRules 📋Chrome12/6/2017 Safari on iOS9/19/2019652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the PluralRules instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.PluralRules.resolvedOptions 📋Chrome12/6/2017 Safari on iOS9/19/2019652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the PluralRules() constructor for more details.
javascript.builtins.Intl.PluralRules.select 📋Chrome12/6/2017 Safari on iOS9/19/2019652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the PluralRules() constructor for more details.
javascript.builtins.Intl.PluralRules.supportedLocalesOf 📋Chrome12/6/2017 Safari on iOS9/19/2019652
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the PluralRules() constructor for more details.
javascript.builtins.Promise.allSettled 📋Chrome7/30/2019 Safari on iOS9/19/201951
javascript.builtins.RegExp.@@matchAll 📋Chrome3/12/2019 Safari on iOS9/19/2019191
javascript.builtins.String.matchAll 📋Chrome3/12/2019 Safari on iOS9/19/2019191
javascript.builtins.Symbol.matchAll 📋Chrome3/12/2019 Safari on iOS9/19/2019191
javascript.grammar.numeric_separators 📋Chrome6/4/2019 Safari on iOS9/19/2019107
api.CanvasRenderingContext2D.direction 📋Safari on iOS9/16/2015 Chrome9/10/20191455
api.TextMetrics.actualBoundingBoxAscent 📋Safari on iOS3/29/2018 Chrome9/10/2019530
api.TextMetrics.actualBoundingBoxDescent 📋Safari on iOS3/29/2018 Chrome9/10/2019530
api.TextMetrics.actualBoundingBoxLeft 📋Safari on iOS3/29/2018 Chrome9/10/2019530
api.TextMetrics.actualBoundingBoxRight 📋Safari on iOS3/29/2018 Chrome9/10/2019530
api.TextMetrics.emHeightAscent 📋Safari on iOS3/29/2018 Chrome9/10/2019530
api.TextMetrics.emHeightDescent 📋Safari on iOS3/29/2018 Chrome9/10/2019530

2019/7

API First Browser Date Last Browser Date Days Notes
api.PaymentMethodChangeEvent 📋Safari on iOS3/25/2019 Chrome7/30/2019127
api.PaymentMethodChangeEvent.PaymentMethodChangeEvent 📋Safari on iOS3/25/2019 Chrome7/30/2019127
api.PaymentMethodChangeEvent.methodDetails 📋Safari on iOS3/25/2019 Chrome7/30/2019127
api.PaymentMethodChangeEvent.methodName 📋Safari on iOS3/25/2019 Chrome7/30/2019127
api.PaymentRequest.paymentmethodchange_event 📋Safari on iOS3/25/2019 Chrome7/30/2019127

2019/6

API First Browser Date Last Browser Date Days Notes
api.HTMLCanvasElement.getContext.webgl_context.options_powerPreference_parameter 📋Safari on iOS3/27/2017 Chrome6/4/2019799
Chrome: Chrome respects the GPU hint on macOS only.Chrome Android: Chrome Android respects the GPU hint on macOS only.Edge: Edge respects the GPU hint on macOS only.Firefox: Firefox respects the GPU hint on macOS only.Quest Browser: Quest Browser respects the GPU hint on macOS only.Opera: Opera respects the GPU hint on macOS only.Opera Android: Opera Android respects the GPU hint on macOS only.Samsung Internet: Samsung Internet respects the GPU hint on macOS only.WebView Android: WebView Android respects the GPU hint on macOS only.
api.HTMLVideoElement.playsInline 📋Safari on iOS9/13/2016 Chrome6/4/2019994
api.RTCIceTransport 📋Safari on iOS9/19/2017 Chrome6/4/2019623
api.RTCIceTransport.gatheringState 📋Safari on iOS9/19/2017 Chrome6/4/2019623
api.RTCIceTransport.state 📋Safari on iOS9/19/2017 Chrome6/4/2019623

2019/4

API First Browser Date Last Browser Date Days Notes
api.Navigator.mediaDevices.secure_context_required Safari on iOS9/19/2017 Chrome4/23/2019581
api.RTCRtpSender.setParameters.parameters_encodings_parameter.scaleResolutionDownBy 📋Safari on iOS9/19/2017 Chrome4/23/2019581
api.ServiceWorkerContainer.startMessages 📋Safari on iOS3/29/2018 Chrome4/23/2019390

2019/3

API First Browser Date Last Browser Date Days Notes
api.AbortController 📋Chrome4/17/2018 Safari on iOS3/25/2019342
Safari: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.Safari on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.WebView on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
api.AbortController.AbortController 📋Chrome4/17/2018 Safari on iOS3/25/2019342
Safari: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.Safari on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.WebView on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
api.AbortController.abort 📋Chrome4/17/2018 Safari on iOS3/25/2019342
Node.js: The optional reason argument is not supported.Node.js: The optional reason argument is not supported.Safari: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.Safari on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.WebView on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
api.AbortController.signal 📋Chrome4/17/2018 Safari on iOS3/25/2019342
Safari: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.Safari on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.WebView on iOS: Even though window.AbortController is defined, it doesn't really abort fetch requests. See bug 174980.
api.CustomElementRegistry.upgrade 📋Chrome7/24/2018 Safari on iOS3/25/2019244
api.DedicatedWorkerGlobalScope.name 📋Chrome10/16/2018 Safari on iOS3/25/2019160
api.HTMLDataListElement 📋Chrome6/26/2012 Safari on iOS3/25/20192463
api.HTMLDataListElement.options 📋Chrome6/26/2012 Safari on iOS3/25/20192463
api.HTMLElement.inputMode 📋Chrome4/17/2018 Safari on iOS3/25/2019342
api.HTMLInputElement.list 📋Chrome6/26/2012 Safari on iOS3/25/20192463
api.HTMLMediaElement.encrypted_event 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.HTMLMediaElement.mediaKeys 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.HTMLMediaElement.setMediaKeys 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.HTMLMediaElement.waitingforkey_event 📋Chrome12/1/2016 Safari on iOS3/25/2019844
Firefox: The onwaitingforkey event handler property is not supported.Firefox for Android: The onwaitingforkey event handler property is not supported.
api.HTMLSlotElement.assignedElements 📋Chrome3/6/2018 Safari on iOS3/25/2019384
api.IntersectionObserver 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserver.IntersectionObserver 📋Chrome5/25/2016 Safari on iOS3/25/20191034
Firefox: Before version 96, the constructor throws a DOMException if the options.rootMargin option is passed an empty string (see bug 1738791).
api.IntersectionObserver.disconnect 📋Chrome5/25/2016 Safari on iOS3/25/20191034
Edge: Available since Windows Insider Preview Build 14986.
api.IntersectionObserver.observe 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserver.root 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserver.rootMargin 📋Chrome5/25/2016 Safari on iOS3/25/20191034
Safari: rootMargin does not work with <iframe>s.Safari on iOS: rootMargin does not work with <iframe>s.WebView on iOS: rootMargin does not work with <iframe>s.
api.IntersectionObserver.takeRecords 📋Chrome5/25/2016 Safari on iOS3/25/20191034
Edge: Available since Windows Insider Preview Build 14986.
api.IntersectionObserver.thresholds 📋Chrome7/20/2016 Safari on iOS3/25/2019978
api.IntersectionObserver.unobserve 📋Chrome5/25/2016 Safari on iOS3/25/20191034
Edge: Available since Windows Insider Preview Build 14986.
api.IntersectionObserverEntry 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.boundingClientRect 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.intersectionRatio 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.intersectionRect 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.isIntersecting 📋Chrome4/19/2017 Safari on iOS3/25/2019705
api.IntersectionObserverEntry.rootBounds 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.target 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.IntersectionObserverEntry.time 📋Chrome5/25/2016 Safari on iOS3/25/20191034
api.MediaDevices.getSupportedConstraints.return_object_property_aspectRatio 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaDevices.getSupportedConstraints.return_object_property_deviceId 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaDevices.getSupportedConstraints.return_object_property_facingMode 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaDevices.getSupportedConstraints.return_object_property_frameRate 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaDevices.getSupportedConstraints.return_object_property_height 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaDevices.getSupportedConstraints.return_object_property_width 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.MediaEncryptedEvent 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaEncryptedEvent.MediaEncryptedEvent 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaEncryptedEvent.initData 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaEncryptedEvent.initDataType 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyMessageEvent 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyMessageEvent.MediaKeyMessageEvent 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyMessageEvent.message 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyMessageEvent.messageType 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.close 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.closed 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.expiration 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.generateRequest 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.keyStatuses 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.keystatuseschange_event 📋Chrome12/1/2016 Safari on iOS3/25/2019844
Chrome: The onkeystatuseschange event handler property is not supported.Chrome Android: The onkeystatuseschange event handler property is not supported.Opera: The onkeystatuseschange event handler property is not supported.Opera Android: The onkeystatuseschange event handler property is not supported.Samsung Internet: The onkeystatuseschange event handler property is not supported.WebView Android: The onkeystatuseschange event handler property is not supported.
api.MediaKeySession.load 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.message_event 📋Chrome12/1/2016 Safari on iOS3/25/2019844
Chrome: The onmessage event handler property is not supported.Chrome Android: The onmessage event handler property is not supported.Opera: The onmessage event handler property is not supported.Opera Android: The onmessage event handler property is not supported.Samsung Internet: The onmessage event handler property is not supported.WebView Android: The onmessage event handler property is not supported.
api.MediaKeySession.remove 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.sessionId 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySession.update 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.@@iterator Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.entries Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.forEach Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.get 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.has 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.keys Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.size 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeyStatusMap.values Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySystemAccess 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySystemAccess.createMediaKeys 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeySystemAccess.getConfiguration 📋Chrome4/14/2015 Safari on iOS3/25/20191441
Firefox: Before Firefox 50, the returned object has neither a distinctiveIdentifier nor a persistentState property.Firefox for Android: Before Firefox for Android 50, the returned object has neither a distinctiveIdentifier nor a persistentState property.
api.MediaKeySystemAccess.keySystem 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeys 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeys.createSession 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaKeys.setServerCertificate 📋Chrome4/14/2015 Safari on iOS3/25/20191441
api.MediaStreamTrack.contentHint 📋Chrome10/16/2018 Safari on iOS3/25/2019160
api.MouseEvent.getModifierState 📋Chrome12/1/2015 Safari on iOS3/25/20191210
api.Navigator.requestMediaKeySystemAccess 📋Chrome4/14/2015 Safari on iOS3/25/20191441
Chrome: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Chrome: The function does not exist in insecure contexts. This was not enforced until Chrome 58.Chrome Android: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Chrome Android: The function does not exist in insecure contexts. This was not enforced until Chrome Android 58.Firefox: Starting in Firefox 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console.Firefox: In addition, starting in Firefox 55, if in supportedConfigurations, either audioCapabilities's or videoCapabilities's contentType value doesn't specify a "codecs" substring to define allowed codecs within the media wrapper, a warning is output to the web console. See note below table for example and correction.Firefox: In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown.Firefox for Android: Starting in Firefox for Android 55, if neither audioCapabilities nor videoCapabilities is specified in supportedConfigurations, a warning is output to the web console.Firefox for Android: In addition, starting in Firefox for Android 55, if in supportedConfigurations, either audioCapabilities's or videoCapabilities's contentType value doesn't specify a "codecs" substring to define allowed codecs within the media wrapper, a warning is output to the web console. See note below table for example and correction.Firefox for Android: In the future, if neither audioCapabilities nor videoCapabilities is specified in the supportedConfigurations, a NotSupported exception will be thrown.Quest Browser: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Quest Browser: The function does not exist in insecure contexts. This was not enforced until Quest Browser 5.0.Opera: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Opera: The function does not exist in insecure contexts. This was not enforced until Opera 45.Opera Android: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Opera Android: The function does not exist in insecure contexts. This was not enforced until Opera 45.Samsung Internet: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.Samsung Internet: The function does not exist in insecure contexts. This was not enforced until Samsung Internet 7.0.WebView Android: The spec requires that the passed supportedConfigurations option contain at least one of audioCapabilities or videoCapabilities, and that said parameters include a codec string.WebView Android: The function does not exist in insecure contexts. This was not enforced until version 58.
api.RTCCertificate 📋Chrome3/2/2016 Safari on iOS3/25/20191118
api.RTCCertificate.expires 📋Chrome3/2/2016 Safari on iOS3/25/20191118
api.RTCCertificate.getFingerprints 📋Chrome9/5/2017 Safari on iOS3/25/2019566
api.RTCPeerConnection.RTCPeerConnection.configuration_certificates_parameter 📋Chrome3/2/2016 Safari on iOS3/25/20191118
api.RTCPeerConnection.RTCPeerConnection.configuration_rtcpMuxPolicy_parameter Chrome3/9/2017 Safari on iOS3/25/2019746
Chrome: Default for rtcpMuxPolicy is requireEdge: Default for rtcpMuxPolicy is requireOpera: Default for rtcpMuxPolicy is require
api.RTCPeerConnection.addTransceiver.init_streams_parameter Chrome9/4/2018 Safari on iOS3/25/2019202
api.RTCPeerConnection.generateCertificate_static 📋Chrome1/20/2016 Safari on iOS3/25/20191160
api.RTCRtpReceiver.getCapabilities_static 📋Chrome6/5/2017 Safari on iOS3/25/2019658
api.RTCRtpReceiver.getContributingSources 📋Chrome6/5/2017 Safari on iOS3/25/2019658
api.RTCRtpReceiver.getContributingSources.audioLevel 📋Chrome3/12/2019 Safari on iOS3/25/201913
api.RTCRtpReceiver.getContributingSources.audio_tracks_supported Chrome6/5/2017 Safari on iOS3/25/2019658
api.RTCRtpReceiver.getContributingSources.source 📋Chrome6/5/2017 Safari on iOS3/25/2019658
api.RTCRtpReceiver.getContributingSources.timestamp 📋Chrome6/5/2017 Safari on iOS3/25/2019658
Firefox: Starting in version 60, the timestamp is correctly computed based on the window's Performance time, rather than Date.getTime().Firefox for Android: Starting in version 60, the timestamp is correctly computed based on the window's Performance time, rather than Date.getTime().
api.RTCRtpReceiver.getContributingSources.video_tracks_supported Chrome3/12/2019 Safari on iOS3/25/201913
api.RTCRtpReceiver.getStats 📋Chrome5/29/2018 Safari on iOS3/25/2019300
api.RTCRtpReceiver.getSynchronizationSources 📋Chrome3/12/2019 Safari on iOS3/25/201913
api.RTCRtpReceiver.getSynchronizationSources.audio_tracks_supported Chrome3/12/2019 Safari on iOS3/25/201913
api.RTCRtpReceiver.getSynchronizationSources.video_tracks_supported Chrome3/12/2019 Safari on iOS3/25/201913
api.RTCRtpSender.getCapabilities_static 📋Chrome9/4/2018 Safari on iOS3/25/2019202
api.RTCRtpSender.getParameters.return_object_property_encodings 📋Chrome9/4/2018 Safari on iOS3/25/2019202
api.RTCRtpSender.getParameters.return_object_property_transactionId 📋Chrome9/4/2018 Safari on iOS3/25/2019202
api.RTCRtpSender.getStats 📋Chrome5/29/2018 Safari on iOS3/25/2019300
api.RTCRtpSender.setParameters.parameters_codecs_parameter 📋Chrome9/4/2018 Safari on iOS3/25/2019202
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.RTCRtpSender.setParameters.parameters_headerExtensions_parameter 📋Chrome9/4/2018 Safari on iOS3/25/2019202
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.RTCRtpSender.setParameters.parameters_transactionId_parameter 📋Chrome9/4/2018 Safari on iOS3/25/2019202
api.RTCRtpTransceiver.currentDirection 📋Chrome9/4/2018 Safari on iOS3/25/2019202
api.Request.credentials.default_same-origin Chrome1/29/2019 Safari on iOS3/25/201955
api.Request.signal 📋Chrome4/17/2018 Safari on iOS3/25/2019342
api.ShadowRoot.styleSheets 📋Chrome8/31/2016 Safari on iOS3/25/2019936
api.VideoPlaybackQuality 📋Chrome11/6/2012 Safari on iOS3/25/20192330
Internet Explorer: Only works on Windows 8+.
api.VideoPlaybackQuality.creationTime 📋Chrome11/6/2012 Safari on iOS3/25/20192330
Internet Explorer: Only works on Windows 8+.
api.VideoPlaybackQuality.droppedVideoFrames 📋Chrome11/6/2012 Safari on iOS3/25/20192330
Internet Explorer: Only works on Windows 8+.
api.VideoPlaybackQuality.totalVideoFrames 📋Chrome11/6/2012 Safari on iOS3/25/20192330
Internet Explorer: Only works on Windows 8+.
api.Worker.Worker.options_name_parameter Chrome10/16/2018 Safari on iOS3/25/2019160
api.queueMicrotask 📋Chrome12/4/2018 Safari on iOS3/25/2019111
javascript.builtins.JSON.stringify.well_formed_stringify Chrome1/29/2019 Safari on iOS3/25/201955
javascript.builtins.Object.fromEntries 📋Chrome3/12/2019 Safari on iOS3/25/201913
javascript.builtins.Symbol.description 📋Chrome10/16/2018 Safari on iOS3/25/2019160
Safari: No support for an undefined description.Safari on iOS: No support for an undefined description.WebView on iOS: No support for an undefined description.
javascript.builtins.globalThis 📋Chrome12/4/2018 Safari on iOS3/25/2019111
javascript.builtins.RegExp.source.escaping Safari on iOS9/10/2012 Chrome3/12/20192374
javascript.builtins.RegExp.toString.escaping Safari on iOS9/10/2012 Chrome3/12/20192374

2019/1

API First Browser Date Last Browser Date Days Notes
api.RTCPeerConnection.connectionState 📋Safari on iOS9/19/2017 Chrome1/29/2019497
api.RTCPeerConnection.connectionstatechange_event 📋Safari on iOS9/19/2017 Chrome1/29/2019497

2018/12

API First Browser Date Last Browser Date Days Notes
api.RTCStatsReport.type_candidate-pair.totalRoundTripTime 📋Safari on iOS9/19/2017 Chrome12/4/2018441
api.URL.toJSON 📋Safari on iOS9/19/2017 Chrome12/4/2018441

2018/10

API First Browser Date Last Browser Date Days Notes
api.RTCPeerConnection.currentLocalDescription 📋Safari on iOS9/19/2017 Chrome10/16/2018392
api.RTCPeerConnection.currentRemoteDescription 📋Safari on iOS9/19/2017 Chrome10/16/2018392
api.RTCPeerConnection.getConfiguration 📋Safari on iOS9/19/2017 Chrome10/16/2018392
api.RTCPeerConnection.pendingLocalDescription 📋Safari on iOS9/19/2017 Chrome10/16/2018392
api.RTCPeerConnection.pendingRemoteDescription 📋Safari on iOS9/19/2017 Chrome10/16/2018392
javascript.builtins.Array.sort.stable_sorting Safari on iOS3/27/2017 Chrome10/16/2018568

2018/9

API First Browser Date Last Browser Date Days Notes
api.CustomEvent.worker_support Chrome5/19/2015 Safari on iOS9/17/20181217
api.DOMTokenList.replace.boolean_value Chrome5/29/2018 Safari on iOS9/17/2018111
api.Element.toggleAttribute 📋Chrome9/4/2018 Safari on iOS9/17/201813
api.HTMLIFrameElement.allowFullscreen 📋Chrome10/7/2014 Safari on iOS9/17/20181441
Safari on iOS: Only available on iPad, not on iPhone.Safari on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.WebView on iOS: Only available on iPad, not on iPhone.WebView on iOS: Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.
api.RTCPeerConnectionIceEvent 📋Chrome1/25/2017 Safari on iOS9/17/2018600
api.RTCPeerConnectionIceEvent.RTCPeerConnectionIceEvent 📋Chrome1/25/2017 Safari on iOS9/17/2018600
api.RTCPeerConnectionIceEvent.candidate 📋Chrome1/10/2013 Safari on iOS9/17/20182076
api.SVGGeometryElement 📋Chrome1/25/2017 Safari on iOS9/17/2018600
Chrome: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Chrome Android: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Edge: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Firefox: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Firefox for Android: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Internet Explorer: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Opera: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Opera Android: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Safari: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Safari on iOS: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.Samsung Internet: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.WebView Android: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.WebView on iOS: The SVGGeometryElement interface itself is not present, but some of its members are available on the SVGPathElement interface.
api.SVGGeometryElement.getPointAtLength 📋Chrome1/25/2017 Safari on iOS9/17/2018600
Chrome: Only supported for SVGPathElement, not all SVGGeometryElement objects.Chrome Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Edge: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox for Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Internet Explorer: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.Samsung Internet: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.
api.SVGGeometryElement.getTotalLength 📋Chrome1/25/2017 Safari on iOS9/17/2018600
Chrome: Only supported for SVGPathElement, not all SVGGeometryElement objects.Chrome Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Edge: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox for Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Internet Explorer: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.Samsung Internet: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.
api.SVGGeometryElement.isPointInFill 📋Chrome2/20/2014 Safari on iOS9/17/20181670
Chrome: The element this method is called for must be in the DOM; otherwise, this method will always return false.Chrome Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.Edge: The element this method is called for must be in the DOM; otherwise, this method will always return false.Quest Browser: The element this method is called for must be in the DOM; otherwise, this method will always return false.Opera: The element this method is called for must be in the DOM; otherwise, this method will always return false.Opera Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.WebView Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.
api.SVGGeometryElement.isPointInStroke 📋Chrome2/20/2014 Safari on iOS9/17/20181670
Chrome: The element this method is called for must be in the DOM; otherwise, this method will always return false.Chrome Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.Edge: The element this method is called for must be in the DOM; otherwise, this method will always return false.Quest Browser: The element this method is called for must be in the DOM; otherwise, this method will always return false.Opera: The element this method is called for must be in the DOM; otherwise, this method will always return false.Opera Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.WebView Android: The element this method is called for must be in the DOM; otherwise, this method will always return false.
api.SVGGeometryElement.pathLength 📋Chrome3/9/2017 Safari on iOS9/17/2018557
Chrome: Only supported for SVGPathElement, not all SVGGeometryElement objects.Chrome Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox: Only supported for SVGPathElement, not all SVGGeometryElement objects.Firefox for Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera: Only supported for SVGPathElement, not all SVGGeometryElement objects.Opera Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari: Only supported for SVGPathElement, not all SVGGeometryElement objects.Safari on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.Samsung Internet: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView Android: Only supported for SVGPathElement, not all SVGGeometryElement objects.WebView on iOS: Only supported for SVGPathElement, not all SVGGeometryElement objects.
api.WEBGL_compressed_texture_astc 📋Chrome12/1/2015 Safari on iOS9/17/20181021
api.WEBGL_compressed_texture_astc.getSupportedProfiles 📋Chrome12/1/2015 Safari on iOS9/17/20181021
javascript.builtins.Array.flat 📋Chrome9/4/2018 Safari on iOS9/17/201813
javascript.builtins.Array.flatMap 📋Chrome9/4/2018 Safari on iOS9/17/201813
javascript.builtins.AsyncGenerator 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.AsyncGenerator.next 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.AsyncGenerator.return 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.AsyncGenerator.throw 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.AsyncGeneratorFunction 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.AsyncGeneratorFunction.AsyncGeneratorFunction 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.builtins.JSON.json_superset Chrome4/17/2018 Safari on iOS9/17/2018153
javascript.builtins.String.trimEnd 📋Chrome4/17/2018 Safari on iOS9/17/2018153
javascript.builtins.String.trimStart 📋Chrome4/17/2018 Safari on iOS9/17/2018153
javascript.functions.method_definitions.async_generator_methods Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.operators.async_generator_function 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.operators.import_meta 📋Chrome1/23/2018 Safari on iOS9/17/2018237
javascript.statements.async_generator_function 📋Chrome12/6/2017 Safari on iOS9/17/2018285
javascript.statements.for_await_of 📋Chrome12/6/2017 Safari on iOS9/17/2018285
api.RTCPeerConnection.addTransceiver 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCPeerConnection.addTransceiver.init_direction_parameter Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCPeerConnection.getTransceivers 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpReceiver.getParameters.return_object_property_codecs 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpReceiver.getParameters.return_object_property_headerExtensions 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpSender.getParameters.return_object_property_codecs 📋Safari on iOS9/19/2017 Chrome9/4/2018350
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.RTCRtpSender.getParameters.return_object_property_headerExtensions 📋Safari on iOS9/19/2017 Chrome9/4/2018350
Firefox: The property is defined but not implemented/used.Firefox for Android: The property is defined but not implemented/used.
api.RTCRtpSender.setParameters.parameters_encodings_parameter 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpSender.setParameters.parameters_encodings_parameter.active Safari on iOS3/29/2018 Chrome9/4/2018159
api.RTCRtpSender.setParameters.parameters_encodings_parameter.maxBitrate 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpSender.setParameters.parameters_encodings_parameter.priority 📋Safari on iOS9/19/2017 Chrome9/4/2018350
Firefox: In version 110 and later the default priority is low.Firefox for Android: In version 110 and later the default priority is low.
api.RTCRtpTransceiver 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpTransceiver.direction 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpTransceiver.mid 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpTransceiver.receiver 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpTransceiver.sender 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCRtpTransceiver.stopped Safari on iOS9/19/2017 Chrome9/4/2018350
api.RTCTrackEvent.transceiver 📋Safari on iOS9/19/2017 Chrome9/4/2018350
api.Request.Request.cross_origin_stripped Safari on iOS3/27/2017 Chrome9/4/2018526

2018/7

API First Browser Date Last Browser Date Days Notes
api.CanvasPattern.setTransform 📋Safari on iOS3/29/2018 Chrome7/24/2018117
api.CanvasPattern.setTransform.dommatrix Safari on iOS3/29/2018 Chrome7/24/2018117
api.CanvasRenderingContext2D.getTransform 📋Safari on iOS3/29/2018 Chrome7/24/2018117
api.CanvasRenderingContext2D.setTransform.matrix_parameter Safari on iOS3/29/2018 Chrome7/24/2018117
api.Path2D.addPath 📋Safari on iOS9/16/2015 Chrome7/24/20181042
api.RTCRtpSender.getParameters 📋Safari on iOS9/19/2017 Chrome7/24/2018308
api.RTCRtpSender.setParameters 📋Safari on iOS9/19/2017 Chrome7/24/2018308
Firefox: Before Firefox 64, changes to parameters that should update live would not do so.Firefox for Android: Before Firefox for Android 64, changes to parameters that should update live would not do so.
api.ServiceWorkerRegistration.updateViaCache 📋Safari on iOS3/29/2018 Chrome7/24/2018117

2018/5

API First Browser Date Last Browser Date Days Notes
api.RTCPeerConnection.getStats.selector_parameter Safari on iOS9/19/2017 Chrome5/29/2018252

2018/4

API First Browser Date Last Browser Date Days Notes
api.AbortSignal 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.AbortSignal.abort_event 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.AbortSignal.aborted 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.HTMLCanvasElement.getContext.bitmaprenderer_context Safari on iOS3/29/2018 Chrome4/17/201819
api.HTMLCanvasElement.getContext.bitmaprenderer_context.options_alpha_parameter 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.HTMLElement.autocapitalize 📋Safari on iOS3/27/2017 Chrome4/17/2018386
Chrome: Supported on HTMLInputElement and HTMLTextAreaElement only.Chrome Android: Supported on HTMLInputElement and HTMLTextAreaElement only.Opera: Supported on HTMLInputElement and HTMLTextAreaElement only.Opera Android: Supported on HTMLInputElement and HTMLTextAreaElement only.Safari on iOS: Supported on HTMLFormElement, HTMLInputElement, and HTMLTextAreaElement only.Samsung Internet: Supported on HTMLInputElement and HTMLTextAreaElement only.WebView Android: Supported on HTMLInputElement and HTMLTextAreaElement only.WebView on iOS: Supported on HTMLFormElement, HTMLInputElement, and HTMLTextAreaElement only.
api.HTMLSelectElement.autocomplete 📋Safari on iOS3/21/2016 Chrome4/17/2018757
api.HTMLTextAreaElement.autocomplete 📋Safari on iOS3/21/2016 Chrome4/17/2018757
api.ImageBitmapRenderingContext 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.ImageBitmapRenderingContext.canvas 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.ImageBitmapRenderingContext.transferFromImageBitmap 📋Safari on iOS3/29/2018 Chrome4/17/201819
api.fetch.init_signal_parameter Safari on iOS3/29/2018 Chrome4/17/201819
javascript.builtins.Array.values 📋Safari on iOS9/16/2015 Chrome4/17/2018944
javascript.statements.try_catch.optional_catch_binding Safari on iOS3/29/2018 Chrome4/17/201819

2018/3

API First Browser Date Last Browser Date Days Notes
api.Cache 📋Chrome1/21/2015 Safari on iOS3/29/20181163
Chrome: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.Chrome Android: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.Quest Browser: Before version 5.0, only service workers are supported. From version 5.0, all worker types and the main thread are supported.Opera: Before version 30, only service workers are supported. From version 30, all worker types and the main thread are supported.Opera Android: Before version 30, only service workers are supported. From version 30, all worker types and the main thread are supported.WebView Android: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.
api.Cache.add 📋Chrome7/21/2015 Safari on iOS3/29/2018982
Chrome: Requires HTTPS from version 46.Chrome Android: Requires HTTPS from version 46.Quest Browser: Requires HTTPS from version 5.0.Opera: Requires HTTPS from version 33.Opera Android: Requires HTTPS from version 33.Samsung Internet: Requires HTTPS from Samsung Internet 5.0.WebView Android: Requires HTTPS from version 46.
api.Cache.addAll 📋Chrome10/13/2015 Safari on iOS3/29/2018898
Chrome: Requires HTTPS.Chrome Android: Requires HTTPS.Quest Browser: Requires HTTPS.Opera: Requires HTTPS.Opera Android: Requires HTTPS.Samsung Internet: Requires HTTPS.WebView Android: Requires HTTPS.
api.Cache.delete 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Deno: Doesn't support query options
api.Cache.keys 📋Chrome5/19/2015 Safari on iOS3/29/20181045
api.Cache.match 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Deno: Doesn't support query options
api.Cache.matchAll 📋Chrome12/1/2015 Safari on iOS3/29/2018849
Opera: Requires HTTPS.
api.Cache.put 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Chrome: Requires HTTPS from version 46.Chrome Android: Requires HTTPS from version 46.Quest Browser: Requires HTTPS from version 5.0.Opera: Requires HTTPS from version 33.Opera Android: Requires HTTPS from version 33.Samsung Internet: Requires HTTPS from Samsung Internet 5.0.WebView Android: Requires HTTPS from version 46.
api.Cache.worker_support Chrome1/21/2015 Safari on iOS3/29/20181163
Chrome: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.Chrome Android: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.Quest Browser: Before version 5.0, only service workers are supported. From version 5.0, all worker types and the main thread are supported.Opera: Before version 30, only service workers are supported. From version 30, all worker types and the main thread are supported.Opera Android: Before version 30, only service workers are supported. From version 30, all worker types and the main thread are supported.WebView Android: Before version 43, only service workers are supported. From version 43, all worker types and the main thread are supported.
api.CacheStorage 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Chrome: Only available in service workers.Chrome Android: Only available in service workers.Opera: Only available in service workers.Opera Android: Only available in service workers.WebView Android: Only available in service workers.
api.CacheStorage.delete 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.CacheStorage.has 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.CacheStorage.keys 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.CacheStorage.match 📋Chrome10/12/2016 Safari on iOS3/29/2018533
Chrome: The options parameter only supports ignoreSearch, and cacheName.Chrome Android: The options parameter only supports ignoreSearch, and cacheName.Opera: The options parameter only supports ignoreSearch, and cacheName.Opera Android: The options parameter only supports ignoreSearch, and cacheName.Samsung Internet: The options parameter only supports ignoreSearch, and cacheName.WebView Android: The options parameter only supports ignoreSearch, and cacheName.
api.CacheStorage.open 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.CacheStorage.secure_context_required Chrome3/6/2018 Safari on iOS3/29/201823
api.CacheStorage.worker_support Chrome5/19/2015 Safari on iOS3/29/20181045
Chrome: Only available in service workers.Chrome Android: Only available in service workers.Opera: Only available in service workers.Opera Android: Only available in service workers.WebView Android: Only available in service workers.
api.Client 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.Client.frameType 📋Chrome5/19/2015 Safari on iOS3/29/20181045
api.Client.id 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.Client.postMessage 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.Client.type 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.Client.url 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.Clients 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.Clients.claim 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.Clients.get 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.Clients.matchAll 📋Chrome4/14/2015 Safari on iOS3/29/20181080
Chrome: Client objects returned in most recent focus order.Chrome Android: Client objects returned in most recent focus order.Edge: Client objects returned in most recent focus order.Firefox: Before Firefox 54, Client objects were not returned in the most recent focus order as required by the specification.Firefox for Android: Before Firefox for Android 54, Client objects were not returned in the most recent focus order as required by the specification.Quest Browser: Client objects returned in most recent focus order.Samsung Internet: Client objects returned in most recent focus order.WebView Android: Client objects returned in most recent focus order.
api.Clients.matchAll.options_includeUncontrolled_parameter 📋Chrome4/14/2015 Safari on iOS3/29/20181080
Chrome: Client objects returned in most recent focus order.Chrome Android: Client objects returned in most recent focus order.Edge: Client objects returned in most recent focus order.Quest Browser: Client objects returned in most recent focus order.Samsung Internet: Client objects returned in most recent focus order.WebView Android: Client objects returned in most recent focus order.
api.Clients.openWindow 📋Chrome1/21/2015 Safari on iOS3/29/20181163
Chrome: Before Chrome 43, this method could only open URLs on the same origin.Chrome: Since Chrome 51, URLs may open inside an existing browsing context provided by a standalone web app.Chrome Android: Before Chrome Android 43, this method could only open URLs on the same origin.Chrome Android: Since Chrome Android 51, URLs may open inside an existing browsing context provided by a standalone web app.Quest Browser: Before Quest Browser 5.0, this method could only open URLs on the same origin.Quest Browser: Since Quest Browser 5.0, URLs may open inside an existing browsing context provided by a standalone web app.Samsung Internet: Before Samsung Internet 4.0, this method could only open URLs on the same origin.Samsung Internet: Since Samsung Internet 5.0, URLs may open inside an existing browsing context provided by a standalone web app.WebView Android: Before WebView Android 43, this method could only open URLs on the same origin.WebView Android: Since WebView Android 51, URLs may open inside an existing browsing context provided by a standalone web app.
api.DataTransfer.items 📋Chrome9/15/2009 Safari on iOS3/29/20183117
api.DataTransferItem.webkitGetAsEntry 📋Chrome8/2/2011 Safari on iOS3/29/20182431
api.Document.elementsFromPoint 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Chrome: Before Chrome 66, this method returned null when the element was a child of a host node. See bug 40537452.Chrome Android: Before Chrome Android 66, this method returned null when the element was a child of a host node. See bug 40537452.Edge: Returns a NodeList instead of an array. See the MSDN documentation. Returns null when the point provided has no elements beneath it (e.g., when given a point outside the document).Internet Explorer: Returns a NodeList instead of an array. See the MSDN documentation. Returns null when the point provided has no elements beneath it (e.g., when given a point outside the document).Quest Browser: Before Quest Browser 5.0, this method returned null when the element was a child of a host node. See bug 40537452.Samsung Internet: Before Samsung Internet 9.0, this method returned null when the element was a child of a host node. See bug 40537452.WebView Android: Before WebView Android 66, this method returned null when the element was a child of a host node. See bug 40537452.
api.EventTarget.addEventListener.options_parameter.options_passive_parameter_default_true_touch Chrome12/1/2016 Safari on iOS3/29/2018483
api.ExtendableEvent 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ExtendableEvent.ExtendableEvent 📋Chrome3/3/2015 Safari on iOS3/29/20181122
api.ExtendableEvent.waitUntil 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ExtendableEvent.waitUntil.async_waitUntil Chrome7/25/2017 Safari on iOS3/29/2018247
api.ExtendableMessageEvent 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.ExtendableMessageEvent 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.data 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.lastEventId 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.origin 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.ports 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.ExtendableMessageEvent.source 📋Chrome5/25/2016 Safari on iOS3/29/2018673
api.FetchEvent 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.FetchEvent.FetchEvent 📋Chrome7/21/2015 Safari on iOS3/29/2018982
api.FetchEvent.clientId 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.FetchEvent.request 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.FetchEvent.respondWith 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.File.webkitRelativePath 📋Chrome8/2/2011 Safari on iOS3/29/20182431
Firefox for Android: Always an empty string (bug 1973726).
api.FileSystem 📋Chrome10/19/2010 Safari on iOS3/29/20182718
Edge: Before Edge 79, this API was only supported in drag-and-drop scenarios using the DataTransferItem.webkitGetAsEntry() method. It was not available for use in file or folder picker panels (such as when you use an <input> element with the HTMLInputElement.webkitdirectory attribute.
api.FileSystem.name 📋Chrome10/19/2010 Safari on iOS3/29/20182718
api.FileSystem.root 📋Chrome10/19/2010 Safari on iOS3/29/20182718
api.FileSystemDirectoryEntry 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemDirectoryEntry.createReader 📋Chrome8/2/2011 Safari on iOS3/29/20182431
api.FileSystemDirectoryEntry.getDirectory 📋Chrome12/2/2010 Safari on iOS3/29/20182674
Firefox: In Firefox, the errorCallback's input parameter is a DOMException rather than a FileError object.Firefox for Android: In Firefox for Android, the errorCallback's input parameter is a DOMException rather than a FileError object.
api.FileSystemDirectoryEntry.getFile 📋Chrome12/2/2010 Safari on iOS3/29/20182674
Firefox: In Firefox, the errorCallback's input parameter is a DOMException rather than a FileError object.Firefox for Android: In Firefox for Android, the errorCallback's input parameter is a DOMException rather than a FileError object.
api.FileSystemDirectoryReader 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemDirectoryReader.readEntries 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.filesystem 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.fullPath 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.getParent 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.isDirectory 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.isFile 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemEntry.name 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemFileEntry 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FileSystemFileEntry.file 📋Chrome12/2/2010 Safari on iOS3/29/20182674
api.FontFace.display 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.FormData.@@iterator Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.delete 📋Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.entries Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.forEach Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.get 📋Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.getAll 📋Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.has 📋Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.keys Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.set 📋Chrome4/13/2016 Safari on iOS3/29/2018715
api.FormData.values Chrome4/13/2016 Safari on iOS3/29/2018715
api.HTMLIFrameElement.allow 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.HTMLImageElement.decode 📋Chrome1/23/2018 Safari on iOS3/29/201865
api.HTMLImageElement.decoding 📋Chrome3/6/2018 Safari on iOS3/29/201823
api.HTMLInputElement.webkitEntries 📋Chrome9/25/2012 Safari on iOS3/29/20182011
api.HTMLLinkElement.integrity 📋Chrome9/1/2015 Safari on iOS3/29/2018940
api.HTMLScriptElement.integrity 📋Chrome9/1/2015 Safari on iOS3/29/2018940
api.MouseEvent.buttons 📋Chrome5/19/2015 Safari on iOS3/29/20181045
Firefox: Restrictions apply depending on OS.
api.Navigator.sendBeacon 📋Chrome11/18/2014 Safari on iOS3/29/20181227
Chrome: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.Chrome Android: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.Quest Browser: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.Opera: Starting in Opera 46, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.Opera Android: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.Samsung Internet: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.WebView Android: Starting in Chrome 59, this method cannot send a Blob whose type is not CORS safelisted. This is a temporary change until a mitigation can be found for the security issues that this creates. For more information, see bug 40087600.
api.Navigator.serviceWorker 📋Chrome1/21/2015 Safari on iOS3/29/20181163
Firefox: In Firefox private windows, the serviceWorker object is undefined. See bug 1320796.Firefox for Android: In Firefox for Android private windows, the serviceWorker object is undefined. See bug 1320796.
api.OverconstrainedError.constraint 📋Chrome12/6/2017 Safari on iOS3/29/2018113
api.PaymentAddress Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.addressLine Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.city Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.country Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.dependentLocality Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.organization Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.phone Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.postalCode Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.recipient Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.region Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.sortingCode Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentAddress.toJSON Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.PaymentRequest 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.abort 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.canMakePayment 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.id 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.shippingAddress Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.shippingOption Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.shippingType Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.shippingaddresschange_event Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.shippingoptionchange_event Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequest.show 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequestUpdateEvent 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequestUpdateEvent.PaymentRequestUpdateEvent 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentRequestUpdateEvent.updateWith 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.complete 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.details 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.methodName 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.payerEmail 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.payerName 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.payerPhone 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.requestId 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.shippingAddress 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.shippingOption 📋Chrome7/25/2017 Safari on iOS3/29/2018247
api.PaymentResponse.toJSON Chrome7/25/2017 Safari on iOS3/29/2018247
api.PromiseRejectionEvent 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.PromiseRejectionEvent.PromiseRejectionEvent 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.PromiseRejectionEvent.promise 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.PromiseRejectionEvent.reason 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.ServiceWorker 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorker.error_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorker.postMessage 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorker.scriptURL 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorker.state 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorker.statechange_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.controller 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.controllerchange_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.getRegistration 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.getRegistrations 📋Chrome9/1/2015 Safari on iOS3/29/2018940
api.ServiceWorkerContainer.message_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.ready 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerContainer.register 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope.activate_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope.clients 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope.fetch_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope.install_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
Firefox: The install event handler is called with an ExtendableEvent, not an InstallEvent.Firefox for Android: The install event handler is called with an ExtendableEvent, not an InstallEvent.Safari: Returns ExtendableEvent instead of InstallEvent.Safari on iOS: Returns ExtendableEvent instead of InstallEvent.
api.ServiceWorkerGlobalScope.message_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerGlobalScope.registration 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.ServiceWorkerGlobalScope.skipWaiting 📋Chrome3/3/2015 Safari on iOS3/29/20181122
api.ServiceWorkerRegistration 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.active 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.installing 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.scope 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.unregister 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.update 📋Chrome9/1/2015 Safari on iOS3/29/2018940
Chrome: Starting with Chrome 46, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Chrome: Before Chrome 48, this method always bypassed the browser cache. Starting with Chrome 48, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.Chrome Android: Starting with Chrome Android 46, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Chrome Android: Before Chrome Android 48, this method always bypassed the browser cache. Starting with Chrome Android 48, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.Quest Browser: Starting with Quest Browser 5.0, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Quest Browser: Before Quest Browser 5.0, this method always bypassed the browser cache. Starting with Quest Browser 5.0, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.Opera: Starting with Opera 33, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Opera: Before Opera 35, this method always bypassed the browser cache. Starting with Opera 35, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.Opera Android: Starting with Opera Android 33, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Opera Android: Before Opera Android 35, this method always bypassed the browser cache. Starting with Opera Android 35, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.Samsung Internet: Starting with Samsung Internet 5.0, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.Samsung Internet: Before Samsung Internet 5.0, this method always bypassed the browser cache. Starting with Samsung Internet 5.0, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.WebView Android: Starting with WebView Android 46, update() returns a promise that resolves with 'undefined' if the operation completed successfully or there was no update, and rejects if update failed. If the new worker ran but installation failed, the promise still resolves. Formerly, it raised an exception.WebView Android: Before WebView Android 48, this method always bypassed the browser cache. Starting with WebView Android 48, it only bypasses the cache when the previous service worker check was more than twenty-four hours ago.
api.ServiceWorkerRegistration.updatefound_event 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ServiceWorkerRegistration.waiting 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.ShadowRoot.elementsFromPoint Chrome8/31/2016 Safari on iOS3/29/2018575
Chrome: Before Chrome 66, this method returned null when the element was a child of a host node. See bug 40537452.Chrome Android: Before Chrome Android 66, this method returned null when the element was a child of a host node. See bug 40537452.Quest Browser: Before Quest Browser 5.0, this method returned null when the element was a child of a host node. See bug 40537452.Samsung Internet: Before Samsung Internet 9.0, this method returned null when the element was a child of a host node. See bug 40537452.WebView Android: Before WebView Android 66, this method returned null when the element was a child of a host node. See bug 40537452.
api.Window.rejectionhandled_event 📋Chrome3/2/2016 Safari on iOS3/29/2018757
api.Window.unhandledrejection_event 📋Chrome3/2/2016 Safari on iOS3/29/2018757
Firefox: event.preventDefault() does not prevent Firefox from logging the error message in the console, see bug 1642147.Firefox for Android: event.preventDefault() does not prevent Firefox for Android from logging the error message in the console, see bug 1642147.
api.WindowClient 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.WindowClient.focus 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.WindowClient.focused 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.WindowClient.visibilityState 📋Chrome4/14/2015 Safari on iOS3/29/20181080
api.caches 📋Chrome1/21/2015 Safari on iOS3/29/20181163
api.caches.secure_context_required Chrome3/6/2018 Safari on iOS3/29/201823
api.caches.worker_support Chrome1/21/2015 Safari on iOS3/29/20181163
api.isSecureContext 📋Chrome12/1/2015 Safari on iOS3/29/2018849
api.isSecureContext.worker_support Chrome12/1/2016 Safari on iOS3/29/2018483
javascript.builtins.AsyncIterator 📋Chrome12/6/2017 Safari on iOS3/29/2018113
javascript.builtins.AsyncIterator.@@asyncIterator 📋Chrome12/6/2017 Safari on iOS3/29/2018113
javascript.builtins.Error.stackTraceLimit Chrome9/15/2009 Safari on iOS3/29/20183117
javascript.builtins.Promise.finally 📋Chrome12/6/2017 Safari on iOS3/29/2018113
javascript.builtins.RegExp.dotAll 📋Chrome10/17/2017 Safari on iOS3/29/2018163
javascript.builtins.Symbol.asyncIterator 📋Chrome12/6/2017 Safari on iOS3/29/2018113
javascript.operators.destructuring.rest_in_objects Chrome7/25/2017 Safari on iOS3/29/2018247
javascript.operators.import 📋Chrome12/6/2017 Safari on iOS3/29/2018113
Deno: Bundled Deno applications (using deno compile) do not support dynamic importsNode.js: Dynamic import can be used in either CommonJS or ES module files, to import either CommonJS or ES module files. See Node's ECMAScript Modules documentation for more details.Node.js: Dynamic import can be used in either CommonJS or ES module files, to import either CommonJS or ES module files. See Node's ECMAScript Modules documentation for more details.
javascript.operators.object_initializer.spread_properties Chrome7/25/2017 Safari on iOS3/29/2018247
javascript.operators.spread.spread_in_object_literals 📋Chrome7/25/2017 Safari on iOS3/29/2018247
javascript.regular_expressions.named_backreference 📋Chrome1/23/2018 Safari on iOS3/29/201865
javascript.regular_expressions.named_capturing_group 📋Chrome1/23/2018 Safari on iOS3/29/201865
javascript.regular_expressions.unicode_character_class_escape 📋Chrome1/23/2018 Safari on iOS3/29/201865
api.HTMLAnchorElement.relList 📋Safari on iOS9/16/2015 Chrome3/6/2018902
api.HTMLAreaElement.relList 📋Safari on iOS9/16/2015 Chrome3/6/2018902
api.RTCRtpSender.replaceTrack 📋Safari on iOS9/19/2017 Chrome3/6/2018168
api.Request.destination 📋Safari on iOS3/27/2017 Chrome3/6/2018344

2018/1

API First Browser Date Last Browser Date Days Notes
api.Document.alinkColor 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.all 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.bgColor 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.captureEvents 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.clear 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.fgColor 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.linkColor 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.releaseEvents 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.vlinkColor 📋Safari on iOS9/19/2017 Chrome1/23/2018126
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.RTCPeerConnection.addTrack 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCPeerConnection.getSenders 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCPeerConnection.removeTrack 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCPeerConnection.track_event 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCRtpSender 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCRtpSender.track 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.RTCTrackEvent.RTCTrackEvent 📋Safari on iOS9/19/2017 Chrome1/23/2018126
api.Request.cache 📋Safari on iOS3/27/2017 Chrome1/23/2018302
api.Request.cache.only-if-cached Safari on iOS3/27/2017 Chrome1/23/2018302

2017/12

API First Browser Date Last Browser Date Days Notes
api.Navigator.webdriver 📋Safari on iOS3/27/2017 Chrome12/6/2017254
api.OverconstrainedError 📋Safari on iOS9/19/2017 Chrome12/6/201778
api.OverconstrainedError.OverconstrainedError 📋Safari on iOS9/19/2017 Chrome12/6/201778
javascript.builtins.Proxy.revocable 📋Safari on iOS9/13/2016 Chrome12/6/2017449
javascript.statements.for_of.async_iterators Safari on iOS9/18/2013 Chrome12/6/20171540

2017/10

API First Browser Date Last Browser Date Days Notes
api.HTMLDataElement 📋Safari on iOS9/13/2016 Chrome10/17/2017399
api.HTMLDataElement.value 📋Safari on iOS9/13/2016 Chrome10/17/2017399
api.HTMLTimeElement 📋Safari on iOS9/13/2016 Chrome10/17/2017399
api.HTMLTimeElement.dateTime 📋Safari on iOS9/13/2016 Chrome10/17/2017399
api.PerformanceEntry.worker_support Safari on iOS9/19/2017 Chrome10/17/201728
Node.js: Available as a part of the perf_hooks module.
api.PerformanceObserver.worker_support Safari on iOS9/19/2017 Chrome10/17/201728
javascript.grammar.template_literals.template_literal_revision Safari on iOS9/19/2017 Chrome10/17/201728

2017/9

API First Browser Date Last Browser Date Days Notes
api.AudioContext.createMediaStreamDestination 📋Chrome2/21/2013 Safari on iOS9/19/20171671
api.AudioContext.createMediaStreamSource 📋Chrome9/25/2012 Safari on iOS9/19/20171820
api.BeforeUnloadEvent.user_interaction Chrome7/25/2017 Safari on iOS9/19/201756
api.CSS.supports_static.optional_parens Chrome9/5/2017 Safari on iOS9/19/201714
api.CSSStyleDeclaration.@@iterator Chrome5/25/2016 Safari on iOS9/19/2017482
api.CanvasCaptureMediaStreamTrack 📋Chrome5/25/2016 Safari on iOS9/19/2017482
api.CanvasCaptureMediaStreamTrack.canvas 📋Chrome5/25/2016 Safari on iOS9/19/2017482
api.CanvasCaptureMediaStreamTrack.requestFrame 📋Chrome5/25/2016 Safari on iOS9/19/2017482
api.Crypto.subtle 📋Chrome8/26/2014 Safari on iOS9/19/20171120
api.DOMMatrix 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.DOMMatrix 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.a 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.b 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.c 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.d 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.e 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.f 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.fromFloat32Array_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.fromFloat64Array_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.fromMatrix_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.invertSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m11 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m12 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m13 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m14 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m21 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m22 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m23 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m24 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m31 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m32 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m33 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m34 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m41 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m42 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m43 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.m44 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.multiplySelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.preMultiplySelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.rotateAxisAngleSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.rotateFromVectorSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.rotateSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.scale3dSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Starting in Firefox 69, the first parameter (scale) is now optional with a default value of 1, per the specification. Previously it was required.Firefox for Android: Starting in Firefox for Android 79, the first parameter (scale) is now optional with a default value of 1, per the specification. Previously it was required.
api.DOMMatrix.scaleSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Firefox 69 introduced support for the modern six-parameter syntax for scaleSelf(). Previously, it only supported the older three-parameter syntax: scale(scaleX[, originX][, originY]]]).Firefox for Android: Firefox for Android 79 introduced support for the modern six-parameter syntax for scaleSelf(). Previously, it only supported the older three-parameter syntax: scale(scaleX[, originX][, originY]]]).
api.DOMMatrix.setMatrixValue 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.skewXSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.skewYSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.translateSelf 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrix.worker_support Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.DOMMatrixReadOnly 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.a 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.b 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.c 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.d 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.e 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.f 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.flipX 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.flipY 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.fromFloat32Array_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.fromFloat64Array_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.fromMatrix_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.inverse 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.is2D 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.isIdentity 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m11 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m12 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m13 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m14 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m21 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m22 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m23 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m24 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m31 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m32 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m33 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m34 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m41 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m42 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m43 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.m44 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.multiply 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.rotate 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.rotateAxisAngle 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.rotateFromVector 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.scale 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Firefox 69 introduced support for the modern six-parameter syntax for scale(). Previously, it only supported the older three-parameter syntax: scale(scaleX[, originX][, originY]]]).Firefox for Android: Firefox for Android 79 introduced support for the modern six-parameter syntax for scale(). Previously, it only supported the older three-parameter syntax: scale(scaleX[, originX][, originY]]]).
api.DOMMatrixReadOnly.scale3d 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Starting in Firefox 69, the first parameter (scale) is now optional with a default value of 1, per the specification. Previously it was required.Firefox for Android: Starting in Firefox for Android 79, the first parameter (scale) is now optional with a default value of 1, per the specification. Previously it was required.
api.DOMMatrixReadOnly.skewX 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the sx parameter was required; you may now call skewX() with no inputs. A value of 0 is correctly assumed.Firefox for Android: Before Firefox for Android 79, the sx parameter was required; you may now call skewX() with no inputs. A value of 0 is correctly assumed.
api.DOMMatrixReadOnly.skewY 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the sy parameter was required; you may now call skewY() with no inputs. A value of 0 is correctly assumed.Firefox for Android: Before Firefox for Android 79, the sy parameter was required; you may now call skewY() with no inputs. A value of 0 is correctly assumed.
api.DOMMatrixReadOnly.toFloat32Array 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.toFloat64Array 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.toJSON 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.toString Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.transformPoint 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.translate 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMMatrixReadOnly.worker_support Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMPointReadOnly.matrixTransform 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.DOMQuad 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.fromQuad_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.fromRect_static 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.getBounds 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.p1 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.Firefox for Android: Before Firefox for Android 79, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.
api.DOMQuad.p2 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.Firefox for Android: Before Firefox for Android 79, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.
api.DOMQuad.p3 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.Firefox for Android: Before Firefox for Android 79, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.
api.DOMQuad.p4 📋Chrome9/5/2017 Safari on iOS9/19/201714
Firefox: Before Firefox 69, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.Firefox for Android: Before Firefox for Android 79, the default value of p1 through p4 was undefined; now DOMQuadInit defines these as false.
api.DOMQuad.toJSON 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.DOMQuad.worker_support Chrome9/5/2017 Safari on iOS9/19/201714
api.Document.close 📋Chrome9/1/2015 Safari on iOS9/19/2017749
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.open 📋Chrome9/1/2015 Safari on iOS9/19/2017749
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.write 📋Chrome9/1/2015 Safari on iOS9/19/2017749
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.writeln 📋Chrome9/1/2015 Safari on iOS9/19/2017749
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.HTMLCanvasElement.captureStream 📋Chrome5/25/2016 Safari on iOS9/19/2017482
api.HTMLCanvasElement.toBlob 📋Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLCanvasElement.toBlob.quality_parameter Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLCanvasElement.toBlob.type_parameter_jpeg Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLCanvasElement.toBlob.type_parameter_png Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLCanvasElement.toDataURL.type_parameter_jpeg Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLCanvasElement.toDataURL.type_parameter_png Chrome4/13/2016 Safari on iOS9/19/2017524
api.HTMLScriptElement.noModule 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.History.scrollRestoration 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.InputDeviceInfo 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDeviceInfo 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDeviceInfo.deviceId 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDeviceInfo.groupId 📋Chrome12/1/2015 Safari on iOS9/19/2017658
Firefox: Before Firefox 67, related devices are not actually grouped together by groupId.Firefox for Android: Before Firefox for Android 67, related devices are not actually grouped together by groupId.
api.MediaDeviceInfo.kind 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDeviceInfo.label 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDeviceInfo.toJSON 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDevices 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.MediaDevices.devicechange_event 📋Chrome3/9/2017 Safari on iOS9/19/2017194
api.MediaDevices.enumerateDevices 📋Chrome12/1/2015 Safari on iOS9/19/2017658
Firefox: enumerateDevices() enumerates both input and output devices. Previously only input devices were returned.Firefox: enumerateDevices() only returns input devices.Firefox for Android: enumerateDevices() enumerates both input and output devices. Previously only input devices were returned.Firefox for Android: enumerateDevices() only returns input devices.
api.MediaDevices.getSupportedConstraints 📋Chrome8/31/2016 Safari on iOS9/19/2017384
api.MediaDevices.getUserMedia 📋Chrome8/31/2016 Safari on iOS9/19/2017384
Chrome: If you need this capability before version 53, refer to navigator.webkitGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Chrome Android: If you need this capability before version 53, refer to navigator.webkitGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Firefox: If you need this capability before version 36, refer to navigator.mozGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Firefox: Before Firefox 55, getUserMedia() incorrectly returns NotSupportedError when the list of constraints specified is empty, or has all constraints set to false. Starting in Firefox 55, this situation now correctly calls the failure handler with a TypeError.Firefox: When using the Firefox-specific video constraint called mediaSource to request display capture, Firefox 66 and later consider values of screen and window to both cause a list of screens and windows to be shown.Firefox: Starting in Firefox 66, getUserMedia() can no longer be used in sandboxed <iframe>s or data URLs entered in the address bar by the user.Firefox for Android: If you need this capability before version 36, refer to navigator.mozGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Firefox for Android: Before Firefox for Android 55, getUserMedia() incorrectly returns NotSupportedError when the list of constraints specified is empty, or has all constraints set to false. Starting in Firefox for Android 55, this situation now correctly calls the failure handler with a TypeError.Firefox for Android: When using the Firefox for Android-specific video constraint called mediaSource to request display capture, Firefox for Android 66 and later consider values of screen and window to both cause a list of screens and windows to be shown.Firefox for Android: Starting in Firefox for Android 66, getUserMedia() can no longer be used in sandboxed <iframe>s or data URLs entered in the address bar by the user.Quest Browser: If you need this capability before version 5.0, refer to navigator.webkitGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Opera: If you need this capability before version 40, refer to navigator.webkitGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.Opera Android: If you need this capability before version 41, refer to navigator.webkitGetUserMedia, a prefixed form of the deprecated navigator.getUserMedia API.
api.MediaDevices.getUserMedia.secure_context_required Chrome8/31/2016 Safari on iOS9/19/2017384
api.MediaStream 📋Chrome12/1/2016 Safari on iOS9/19/2017292
api.MediaStream.MediaStream 📋Chrome12/1/2016 Safari on iOS9/19/2017292
api.MediaStream.active 📋Chrome4/14/2015 Safari on iOS9/19/2017889
api.MediaStream.addTrack 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStream.addtrack_event 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStream.clone 📋Chrome5/20/2014 Safari on iOS9/19/20171218
api.MediaStream.getAudioTracks 📋Chrome3/26/2013 Safari on iOS9/19/20171638
Firefox: Before Firefox 64, this method returned an array of AudioStreamTrack objects. However, MediaStreamTrack has now subsumed that interface's functionality.Firefox for Android: Before Firefox for Android 64, this method returned an array of AudioStreamTrack objects. However, MediaStreamTrack has now subsumed that interface's functionality.
api.MediaStream.getTrackById 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStream.getTracks 📋Chrome10/7/2014 Safari on iOS9/19/20171078
api.MediaStream.getVideoTracks 📋Chrome3/26/2013 Safari on iOS9/19/20171638
Firefox: Before Firefox 64, this method returned an array of VideoStreamTrack objects. However, MediaStreamTrack has now subsumed that interface's functionality.Firefox for Android: Before Firefox for Android 64, this method returned an array of VideoStreamTrack objects. However, MediaStreamTrack has now subsumed that interface's functionality.
api.MediaStream.id 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStream.removeTrack 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStream.removetrack_event 📋Chrome3/26/2013 Safari on iOS9/19/20171638
Firefox: Before Firefox 72, the event handler was exposed but had no effect.Firefox for Android: Before Firefox for Android 79, the event handler was exposed but had no effect.
api.MediaStreamAudioDestinationNode 📋Chrome2/21/2013 Safari on iOS9/19/20171671
api.MediaStreamAudioDestinationNode.stream 📋Chrome2/21/2013 Safari on iOS9/19/20171671
api.MediaStreamAudioSourceNode 📋Chrome9/25/2012 Safari on iOS9/19/20171820
api.MediaStreamAudioSourceNode.mediaStream 📋Chrome9/25/2012 Safari on iOS9/19/20171820
api.MediaStreamTrack 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.applyConstraints 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.aspectRatio_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.deviceId_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
Firefox: Before Firefox 69, Firefox only supported deviceId in constraints passed into getUserMedia().Firefox for Android: Firefox for Android only supports deviceId when used in constraints passed into getUserMedia().
api.MediaStreamTrack.applyConstraints.echoCancellation_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.facingMode_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.frameRate_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.groupId_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.height_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.sampleRate_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.sampleSize_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.volume_constraint Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.applyConstraints.width_constraint 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.clone 📋Chrome5/20/2014 Safari on iOS9/19/20171218
api.MediaStreamTrack.enabled 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.ended_event 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.getCapabilities 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.getConstraints 📋Chrome8/31/2016 Safari on iOS9/19/2017384
api.MediaStreamTrack.getSettings 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.MediaStreamTrack.id 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.kind 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.label 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.mute_event 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.muted 📋Chrome10/7/2014 Safari on iOS9/19/20171078
Firefox: Does not currently track the microphone's muted state from the operating system, see bug 1739163.Firefox for Android: Does not currently track the microphone's muted state from the operating system, see bug 1739163.
api.MediaStreamTrack.readyState 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrack.stop 📋Chrome1/14/2014 Safari on iOS9/19/20171344
api.MediaStreamTrack.unmute_event 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrackEvent 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.MediaStreamTrackEvent.MediaStreamTrackEvent 📋Chrome12/1/2016 Safari on iOS9/19/2017292
api.MediaStreamTrackEvent.track 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.Navigator.mediaDevices 📋Chrome12/1/2015 Safari on iOS9/19/2017658
api.Performance.clearMarks 📋Chrome8/20/2013 Safari on iOS9/19/20171491
api.Performance.clearMeasures 📋Chrome8/20/2013 Safari on iOS9/19/20171491
api.Performance.clearResourceTimings 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.Performance.getEntries 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.Performance.getEntriesByName 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.Performance.getEntriesByType 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.Performance.mark 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.Performance.measure 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.Performance.resourcetimingbufferfull_event 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.Performance.setResourceTimingBufferSize 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.PerformanceEntry 📋Chrome10/13/2015 Safari on iOS9/19/2017707
Node.js: Available as a part of the perf_hooks module.
api.PerformanceEntry.duration 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.PerformanceEntry.entryType 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.PerformanceEntry.name 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.PerformanceEntry.startTime 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.PerformanceEntry.toJSON 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.PerformanceMark 📋Chrome7/9/2013 Safari on iOS9/19/20171533
Node.js: Available as a part of the perf_hooks module.
api.PerformanceMeasure 📋Chrome2/21/2013 Safari on iOS9/19/20171671
Node.js: Available as a part of the perf_hooks module.Node.js: Only available as an internal instance, but can be accessed via getting performance entries.
api.PerformanceObserver 📋Chrome7/20/2016 Safari on iOS9/19/2017426
Node.js: Available as a part of the perf_hooks module.
api.PerformanceObserver.PerformanceObserver 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceObserver.disconnect 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceObserver.observe 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceObserverEntryList 📋Chrome7/20/2016 Safari on iOS9/19/2017426
Node.js: Available as a part of the perf_hooks module.Node.js: Only available as an internal instance, but can be accessed via the first parameter of the PerformanceObserver constructor.
api.PerformanceObserverEntryList.getEntries 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceObserverEntryList.getEntriesByName 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceObserverEntryList.getEntriesByType 📋Chrome7/20/2016 Safari on iOS9/19/2017426
api.PerformanceResourceTiming 📋Chrome8/20/2013 Safari on iOS9/19/20171491
Node.js: Available as a part of the perf_hooks module.Node.js: Available as a part of the perf_hooks module.
api.PerformanceResourceTiming.connectEnd 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.connectStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.domainLookupEnd 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.domainLookupStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.fetchStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.initiatorType 📋Chrome5/19/2015 Safari on iOS9/19/2017854
Node.js: Since v18.2.0, the value can be returned by toJSON(), but can not accessed via property getter.
api.PerformanceResourceTiming.nextHopProtocol 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.PerformanceResourceTiming.redirectEnd 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.redirectStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.requestStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.responseEnd 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.responseStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.secureConnectionStart 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.PerformanceResourceTiming.toJSON 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.PerformanceResourceTiming.workerStart 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.RTCDataChannel 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.binaryType 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.binaryType.arraybuffer_value Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.bufferedAmount 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.bufferedAmountLowThreshold 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.RTCDataChannel.bufferedamountlow_event 📋Chrome3/9/2017 Safari on iOS9/19/2017194
Chrome: The default for rtcpMuxPolicy is require.Chrome Android: The default for rtcpMuxPolicy is require.Edge: The default for rtcpMuxPolicy is require.Quest Browser: The default for rtcpMuxPolicy is require.Opera: The default for rtcpMuxPolicy is require.Opera Android: The default for rtcpMuxPolicy is require.Samsung Internet: The default for rtcpMuxPolicy is require.WebView Android: The default for rtcpMuxPolicy is require.
api.RTCDataChannel.close 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.close_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.error_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.id 📋Chrome10/1/2013 Safari on iOS9/19/20171449
api.RTCDataChannel.label 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.maxPacketLifeTime 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCDataChannel.maxRetransmits 📋Chrome10/1/2013 Safari on iOS9/19/20171449
api.RTCDataChannel.message_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.negotiated 📋Chrome10/1/2013 Safari on iOS9/19/20171449
api.RTCDataChannel.open_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.ordered 📋Chrome10/1/2013 Safari on iOS9/19/20171449
api.RTCDataChannel.protocol 📋Chrome10/1/2013 Safari on iOS9/19/20171449
api.RTCDataChannel.readyState 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannel.send 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannelEvent 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCDataChannelEvent.RTCDataChannelEvent 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCDataChannelEvent.channel 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCIceCandidate 📋Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCIceCandidate.RTCIceCandidate 📋Chrome11/6/2012 Safari on iOS9/19/20171778
Firefox: Before Firefox 68, the constructor's candidateInfo parameter is required and the candidateInfo object must have a candidate property.Firefox: Before Firefox 68, the constructor's candidateInfo parameter is required and the candidateInfo object must have a candidate property.Firefox for Android: Before Firefox 68, the constructor's candidateInfo parameter is required and the candidateInfo object must have a candidate property.Firefox for Android: Before Firefox 68, the constructor's candidateInfo parameter is required and the candidateInfo object must have a candidate property.
api.RTCIceCandidate.candidate 📋Chrome11/6/2012 Safari on iOS9/19/20171778
Firefox: Before Firefox 126, the property was not read-only.Firefox for Android: Before Firefox 126, the property was not read-only.
api.RTCIceCandidate.sdpMLineIndex 📋Chrome11/6/2012 Safari on iOS9/19/20171778
Firefox: Before Firefox 126, the property was not read-only.Firefox for Android: Before Firefox 126, the property was not read-only.
api.RTCIceCandidate.sdpMid 📋Chrome11/6/2012 Safari on iOS9/19/20171778
Firefox: Before Firefox 126, the property was not read-only.Firefox for Android: Before Firefox 126, the property was not read-only.
api.RTCIceCandidate.toJSON 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.RTCPeerConnection 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCPeerConnection.RTCPeerConnection 📋Chrome1/25/2017 Safari on iOS9/19/2017237
Chrome: Before Chrome 63, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".Chrome Android: Before Chrome Android 63, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".Quest Browser: Before Quest Browser 5.0, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".Opera: Before Opera 50, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".Opera Android: Before Opera Android 46, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".Samsung Internet: Before Samsung Internet 8.0, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".WebView Android: Before WebView Android 63, the default value for the configuration.rtcpMuxPolicy parameter is "negotiate" instead of "required".
api.RTCPeerConnection.RTCPeerConnection.configuration_bundlePolicy_parameter 📋Chrome4/14/2015 Safari on iOS9/19/2017889
api.RTCPeerConnection.RTCPeerConnection.configuration_iceCandidatePoolSize_parameter Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.credential_parameter 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.urls_parameter 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.username_parameter 📋Chrome9/1/2015 Safari on iOS9/19/2017749
api.RTCPeerConnection.RTCPeerConnection.configuration_iceTransportPolicy_parameter 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCPeerConnection.addIceCandidate 📋Chrome1/10/2013 Safari on iOS9/19/20171713
Firefox: Starting in Firefox 68, the candidate parameter is optional when calling addIceCandidate(). A null value for candidate indicates no more candidates will be sent, while an empty candidate string indicates that no more candidates will be sent for the current generation of candidates.Firefox for Android: Starting in Firefox 68, the candidate parameter is optional when calling addIceCandidate(). A null value for candidate indicates no more candidates will be sent, while an empty candidate string indicates that no more candidates will be sent for the current generation of candidates.
api.RTCPeerConnection.addIceCandidate.returns_promise Chrome4/13/2016 Safari on iOS9/19/2017524
api.RTCPeerConnection.close 📋Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCPeerConnection.createAnswer 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.createAnswer.returns_promise Chrome5/25/2016 Safari on iOS9/19/2017482
api.RTCPeerConnection.createDataChannel 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.createOffer 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.createOffer.returns_promise Chrome5/25/2016 Safari on iOS9/19/2017482
api.RTCPeerConnection.datachannel_event 📋Chrome2/21/2013 Safari on iOS9/19/20171671
api.RTCPeerConnection.getReceivers 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCPeerConnection.getStats 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.getStats.returns_promise Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCPeerConnection.iceConnectionState 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.RTCPeerConnection.iceGatheringState 📋Chrome2/21/2013 Safari on iOS9/19/20171671
api.RTCPeerConnection.icecandidate_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.iceconnectionstatechange_event 📋Chrome7/9/2013 Safari on iOS9/19/20171533
api.RTCPeerConnection.icegatheringstatechange_event 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCPeerConnection.localDescription 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.negotiationneeded_event 📋Chrome1/10/2013 Safari on iOS9/19/20171713
Firefox: Although the onnegotiationneeded property is supported, the negotiationneeded event is never fired.Firefox for Android: Although the onnegotiationneeded property is supported, the negotiationneeded event is never fired.
api.RTCPeerConnection.remoteDescription 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.setConfiguration 📋Chrome1/20/2016 Safari on iOS9/19/2017608
api.RTCPeerConnection.setLocalDescription 📋Chrome1/10/2013 Safari on iOS9/19/20171713
Firefox: Firefox does not support descriptions of type pranswer.Firefox for Android: Firefox does not support descriptions of type pranswer.
api.RTCPeerConnection.setLocalDescription.returns_promise Chrome4/13/2016 Safari on iOS9/19/2017524
api.RTCPeerConnection.setRemoteDescription 📋Chrome1/10/2013 Safari on iOS9/19/20171713
api.RTCPeerConnection.setRemoteDescription.returns_promise Chrome4/13/2016 Safari on iOS9/19/2017524
api.RTCPeerConnection.signalingState 📋Chrome3/26/2013 Safari on iOS9/19/20171638
api.RTCPeerConnection.signalingstatechange_event 📋Chrome7/9/2013 Safari on iOS9/19/20171533
Firefox: Although the onsignalingstatechange property is supported, the signalingstatechange event is not fired as an Event object. See bug 1075133.Firefox for Android: Although the onsignalingstatechange property is supported, the signalingstatechange event is not fired as an Event object. See bug 1075133.
api.RTCRtpReceiver 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCRtpReceiver.getParameters 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCRtpReceiver.track 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCSessionDescription 📋Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCSessionDescription.RTCSessionDescription Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCSessionDescription.sdp 📋Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCSessionDescription.toJSON 📋Chrome5/19/2015 Safari on iOS9/19/2017854
api.RTCSessionDescription.type 📋Chrome11/6/2012 Safari on iOS9/19/20171778
api.RTCStatsReport 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.@@iterator Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.entries 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.forEach 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.get 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.has 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.keys 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.size 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.RTCStatsReport.type_candidate-pair 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.bytesReceived 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.bytesSent 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.localCandidateId 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.nominated 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.remoteCandidateId 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.requestsReceived 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.requestsSent 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.responsesReceived 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.responsesSent 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.state 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.type_candidate-pair.transportId 📋Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCStatsReport.values Chrome4/19/2017 Safari on iOS9/19/2017153
api.RTCTrackEvent 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCTrackEvent.receiver 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCTrackEvent.streams 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.RTCTrackEvent.track 📋Chrome1/25/2017 Safari on iOS9/19/2017237
api.SubtleCrypto 📋Chrome8/26/2014 Safari on iOS9/19/20171120
Node.js: Available as a part of the crypto module.
api.SubtleCrypto.deriveBits 📋Chrome3/3/2015 Safari on iOS9/19/2017931
Deno: Not supported: ECDH.Edge: Not supported: ECDH.Edge: Not supported: HKDF, PBKDF2.Node.js: Supports: NODE-DHNode.js: Supports: NODE-SCRYPT
api.SubtleCrypto.deriveKey 📋Chrome3/3/2015 Safari on iOS9/19/2017931
Edge: Not supported: ECDH.Edge: Not supported: HKDF, PBKDF2.Node.js: Supports: NODE-DHNode.js: Supports: NODE-SCRYPT
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_aes 📋Chrome3/3/2015 Safari on iOS9/19/2017931
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hkdf 📋Chrome3/3/2015 Safari on iOS9/19/2017931
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hmac 📋Chrome3/3/2015 Safari on iOS9/19/2017931
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_pbkdf2 📋Chrome3/3/2015 Safari on iOS9/19/2017931
api.SubtleCrypto.worker_support Chrome8/26/2014 Safari on iOS9/19/20171120
api.URLSearchParams.URLSearchParams.record Chrome9/5/2017 Safari on iOS9/19/201714
api.URLSearchParams.URLSearchParams.sequence Chrome4/19/2017 Safari on iOS9/19/2017153
api.URLSearchParams.sort 📋Chrome9/5/2017 Safari on iOS9/19/201714
api.Window.open.once_per_event Chrome11/6/2012 Safari on iOS9/19/20171778
api.WorkerGlobalScope.rejectionhandled_event 📋Chrome3/2/2016 Safari on iOS9/19/2017566
api.WorkerGlobalScope.unhandledrejection_event 📋Chrome3/2/2016 Safari on iOS9/19/2017566
api.XMLHttpRequest.getAllResponseHeaders.header_names_lowercase Chrome7/25/2017 Safari on iOS9/19/201756
api.origin 📋Chrome6/5/2017 Safari on iOS9/19/2017106
api.performance.worker_support Chrome10/1/2013 Safari on iOS9/19/20171449
Node.js: Available as a part of the perf_hooks module.
javascript.builtins.Intl.Collator.Collator.options_caseFirst_parameter Chrome1/10/2013 Safari on iOS9/19/20171713
javascript.builtins.Intl.DateTimeFormat.formatToParts 📋Chrome3/9/2017 Safari on iOS9/19/2017194
Chrome: Before version 71, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 71 and later use the specification defined dayPeriod. See bug 41402623.Chrome Android: Before version 71, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 71 and later use the specification defined dayPeriod. See bug 41402623.Node.js: Before version 12.0.0, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 12.0.0 and later use the specification defined dayPeriod. See bug 41402623.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.Quest Browser: Before version 6.0, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 71 and later use the specification defined dayPeriod. See bug 41402623.Opera: Before version 58, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 58 and later use the specification defined dayPeriod. See bug 41402623.Opera Android: Before version 50, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 50 and later use the specification defined dayPeriod. See bug 41402623.Samsung Internet: Before version 71, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 71 and later use the specification defined dayPeriod. See bug 41402623.WebView Android: Before version 71, formatToParts() returned an object with an incorrectly cased type key of dayperiod. Version 71 and later use the specification defined dayPeriod. See bug 41402623.
javascript.operators.new_target 📋Chrome10/13/2015 Safari on iOS9/19/2017707
api.DOMPoint 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.DOMPoint 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.fromPoint_static 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.w 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.worker_support Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.x 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.y 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPoint.z 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.DOMPointReadOnly 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.fromPoint_static 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.toJSON 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.w 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.worker_support Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.x 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.y 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMPointReadOnly.z 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect.DOMRect 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect.fromRect_static 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect.worker_support Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect.x 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRect.y 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectList 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.DOMRectReadOnly 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.fromRect_static 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.toJSON 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.worker_support Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.x 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMRectReadOnly.y 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.DOMTokenList.replace 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.getAttributeNames 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scroll 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scroll.options_left_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scroll.options_top_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollBy 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollBy.options_left_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollBy.options_top_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollTo 📋Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollTo.options_left_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
api.Element.scrollTo.options_top_parameter Safari on iOS3/27/2017 Chrome9/5/2017162
javascript.statements.export 📋Safari on iOS3/27/2017 Chrome9/5/2017162
Node.js: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.
javascript.statements.export.default 📋Safari on iOS3/27/2017 Chrome9/5/2017162
Node.js: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.
javascript.statements.import 📋Safari on iOS3/27/2017 Chrome9/5/2017162
Node.js: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.Node.js: Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain "type": "module". See Node's ECMAScript Modules documentation for more details.

2017/7

API First Browser Date Last Browser Date Days Notes
api.DOMTokenList.remove_duplicates Safari on iOS9/13/2016 Chrome7/25/2017315
api.Document.Document 📋Safari on iOS9/17/2014 Chrome7/25/20171042
api.Element.beforeinput_event 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent.InputEvent 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent.data 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent.dataTransfer 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent.getTargetRanges 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.InputEvent.inputType 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.StaticRange 📋Safari on iOS3/27/2017 Chrome7/25/2017120
Firefox: In Firefox, StaticRange can currently only be used by browser-internal code or code with enhanced permissions; it is not yet exposed to the web.
api.StaticRange.collapsed 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.StaticRange.endContainer 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.StaticRange.endOffset 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.StaticRange.startContainer 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.StaticRange.startOffset 📋Safari on iOS3/27/2017 Chrome7/25/2017120
api.Window.message_event 📋Safari on iOS6/21/2010 Chrome7/25/20172591

2017/6

API First Browser Date Last Browser Date Days Notes
api.ReadableStream.pipeThrough 📋Safari on iOS3/27/2017 Chrome6/5/201770
api.ReadableStream.pipeTo 📋Safari on iOS3/27/2017 Chrome6/5/201770

2017/4

API First Browser Date Last Browser Date Days Notes
api.ClipboardEvent.ClipboardEvent 📋Safari on iOS3/27/2017 Chrome4/19/201723
api.IDBCursor.continuePrimaryKey 📋Safari on iOS3/27/2017 Chrome4/19/201723
api.IDBCursor.key.binary_keys Safari on iOS3/27/2017 Chrome4/19/201723
javascript.builtins.String.toLocaleLowerCase.locales_parameter Safari on iOS9/13/2016 Chrome4/19/2017218
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.String.toLocaleUpperCase.locales_parameter Safari on iOS9/13/2016 Chrome4/19/2017218
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.functions.arrow_functions.trailing_comma Safari on iOS9/13/2016 Chrome4/19/2017218
javascript.grammar.trailing_commas.trailing_commas_in_functions Safari on iOS9/13/2016 Chrome4/19/2017218
javascript.operators.function.trailing_comma Safari on iOS9/13/2016 Chrome4/19/2017218
javascript.operators.generator_function.trailing_comma Safari on iOS9/13/2016 Chrome4/19/2017218
javascript.statements.function.trailing_comma_in_parameters Safari on iOS9/13/2016 Chrome4/19/2017218
javascript.statements.generator_function.trailing_comma_in_parameters Safari on iOS9/13/2016 Chrome4/19/2017218

2017/3

API First Browser Date Last Browser Date Days Notes
api.ByteLengthQueuingStrategy 📋Chrome7/20/2016 Safari on iOS3/27/2017250
Node.js: Available as a part of the stream/web module.
api.ByteLengthQueuingStrategy.ByteLengthQueuingStrategy 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.ByteLengthQueuingStrategy.highWaterMark 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.ByteLengthQueuingStrategy.size 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.CSS.escape_static 📋Chrome10/13/2015 Safari on iOS3/27/2017531
api.CSSNamespaceRule 📋Chrome12/1/2015 Safari on iOS3/27/2017482
api.CSSNamespaceRule.namespaceURI 📋Chrome12/1/2015 Safari on iOS3/27/2017482
api.CSSNamespaceRule.prefix 📋Chrome12/1/2015 Safari on iOS3/27/2017482
api.CanvasRenderingContext2D.resetTransform 📋Chrome11/12/2013 Safari on iOS3/27/20171231
api.ClipboardEvent 📋Chrome3/3/2015 Safari on iOS3/27/2017755
Firefox: When pasting multiple files, only returns the first file. See bug 1954680.Firefox: Before Firefox 140, when pasting multiple files, and the first file was not acceptable, returned no file. See bug 1961170.Firefox for Android: When pasting multiple files, only returns the first file. See bug 1954680.Firefox for Android: Before Firefox for Android 140, when pasting multiple files, and the first file was not acceptable, returned no file. See bug 1961170.
api.ClipboardEvent.clipboardData 📋Chrome3/3/2015 Safari on iOS3/27/2017755
api.CountQueuingStrategy 📋Chrome7/20/2016 Safari on iOS3/27/2017250
Node.js: Available as a part of the stream/web module.
api.CountQueuingStrategy.CountQueuingStrategy 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.CountQueuingStrategy.highWaterMark 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.CountQueuingStrategy.size 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.CustomElementRegistry 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.CustomElementRegistry.define 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.CustomElementRegistry.get 📋Chrome10/12/2016 Safari on iOS3/27/2017166
Safari: Supports 'Autonomous custom elements' but not 'Customized built-in elements'. See bug 182671.Safari on iOS: Supports 'Autonomous custom elements' but not 'Customized built-in elements'. See bug 182671.WebView on iOS: Supports 'Autonomous custom elements' but not 'Customized built-in elements'. See bug 182671.
api.CustomElementRegistry.whenDefined 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.DOMException.DOMException 📋Chrome10/13/2015 Safari on iOS3/27/2017531
api.DOMTokenList.@@iterator Chrome4/14/2015 Safari on iOS3/27/2017713
api.DOMTokenList.entries Chrome4/14/2015 Safari on iOS3/27/2017713
api.DOMTokenList.forEach Chrome4/14/2015 Safari on iOS3/27/2017713
api.DOMTokenList.keys Chrome4/14/2015 Safari on iOS3/27/2017713
api.DOMTokenList.supports 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.DOMTokenList.values Chrome4/14/2015 Safari on iOS3/27/2017713
api.Document.designMode 📋Chrome7/16/2014 Safari on iOS3/27/2017985
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.dir 📋Chrome7/16/2014 Safari on iOS3/27/2017985
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Incorrect behavior before Firefox 23.Firefox for Android: Incorrect behavior before Firefox for Android 23.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.embeds 📋Chrome7/16/2014 Safari on iOS3/27/2017985
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.plugins 📋Chrome7/16/2014 Safari on iOS3/27/2017985
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Opera: Only supported for HTMLDocument, not all Document objects.Opera Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.rootElement 📋Chrome4/8/2014 Safari on iOS3/27/20171084
api.Document.scripts 📋Chrome7/16/2014 Safari on iOS3/27/2017985
Chrome: Only supported for HTMLDocument, not all Document objects.Chrome Android: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.Samsung Internet: Only supported for HTMLDocument, not all Document objects.WebView Android: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.File.File 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.Gamepad 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.axes 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.buttons 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.connected 📋Chrome2/21/2013 Safari on iOS3/27/20171495
api.Gamepad.id 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.index 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.mapping 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.Gamepad.timestamp 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.GamepadButton 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.GamepadButton.pressed 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.GamepadButton.value 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.GamepadEvent 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.GamepadEvent.GamepadEvent 📋Chrome5/20/2014 Safari on iOS3/27/20171042
api.GamepadEvent.gamepad 📋Chrome7/31/2012 Safari on iOS3/27/20171700
api.HTMLAnchorElement.download 📋Chrome10/25/2011 Safari on iOS3/27/20171980
api.HTMLAreaElement.download 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.HTMLAreaElement.toString 📋Chrome1/14/2014 Safari on iOS3/27/20171168
api.HTMLButtonElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLCanvasElement.getContext.webgl_context.options_alpha_parameter 📋Chrome1/14/2014 Safari on iOS3/27/20171168
api.HTMLCanvasElement.getContext.webgl_context.options_failIfMajorPerformanceCaveat_parameter 📋Chrome2/20/2014 Safari on iOS3/27/20171131
api.HTMLElement.toggle_event 📋Chrome7/16/2014 Safari on iOS3/27/2017985
api.HTMLElement.toggle_event.details_elements 📋Chrome7/16/2014 Safari on iOS3/27/2017985
api.HTMLFieldSetElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLFormElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLHRElement.color 📋Chrome2/20/2014 Safari on iOS3/27/20171131
api.HTMLInputElement.minLength 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLInputElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLObjectElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLOutputElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLSelectElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLSlotElement.slotchange_event 📋Chrome8/31/2016 Safari on iOS3/27/2017208
Safari: The onslotchange event handler property is not supported.Safari on iOS: The onslotchange event handler property is not supported.WebView on iOS: The onslotchange event handler property is not supported.
api.HTMLSourceElement.sizes 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Safari: The sizes attribute is supported since Safari 9.1.Safari on iOS: The sizes attribute is supported since Safari on iOS 9.1.WebView on iOS: The sizes attribute is supported since WebView on iOS 9.1.
api.HTMLSourceElement.srcset 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Safari: The srcset attribute is supported since Safari 9.1.Safari on iOS: The srcset attribute is supported since Safari on iOS 9.1.WebView on iOS: The srcset attribute is supported since WebView on iOS 9.1.
api.HTMLTextAreaElement.minLength 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.HTMLTextAreaElement.reportValidity 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Headers 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.@@iterator Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.Headers 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.append 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.delete 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.entries Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.forEach Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.get 📋Chrome4/14/2015 Safari on iOS3/27/2017713
Chrome: Before version 57, get() returns only the first value for the specified header.Chrome Android: Before version 57, get() returns only the first value for the specified header.Firefox: Before version 52, get() returns only the first value for the specified header.Firefox for Android: Before version 52, get() returns only the first value for the specified header.Quest Browser: Before version 5.0, get() returns only the first value for the specified header.Opera: Before version 44, get() returns only the first value for the specified header.Opera Android: Before version 43, get() returns only the first value for the specified header.Samsung Internet: Before version 7.0, get() returns only the first value for the specified header.WebView Android: Before version 57, get() returns only the first value for the specified header.
api.Headers.has 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.iterate_combined_duplicates Chrome3/9/2017 Safari on iOS3/27/201718
api.Headers.iterate_lexicographically Chrome3/9/2017 Safari on iOS3/27/201718
api.Headers.keys Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.set 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Headers.values Chrome4/14/2015 Safari on iOS3/27/2017713
api.IDBDatabase.close_event 📋Chrome10/1/2013 Safari on iOS3/27/20171273
api.IDBIndex.getAll 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.IDBIndex.getAllKeys 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.IDBIndex.name.renaming_through_name_setter Chrome12/1/2016 Safari on iOS3/27/2017116
api.IDBKeyRange.includes 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.IDBObjectStore.getAll 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.IDBObjectStore.getAllKeys 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.IDBObjectStore.getKey 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.IDBObjectStore.name.renaming_through_name_setter Chrome12/1/2016 Safari on iOS3/27/2017116
api.IDBObjectStore.openKeyCursor 📋Chrome11/6/2012 Safari on iOS3/27/20171602
api.IDBTransaction.objectStoreNames 📋Chrome1/20/2016 Safari on iOS3/27/2017432
api.KeyboardEvent.code 📋Chrome1/20/2016 Safari on iOS3/27/2017432
Chrome Android: The value is always empty.Firefox for Android: The value is always empty.Quest Browser: The value is always empty.Opera Android: The value is always empty.Samsung Internet: The value is always empty.WebView Android: The value is always empty.
api.KeyboardEvent.getModifierState 📋Chrome10/1/2013 Safari on iOS3/27/20171273
api.KeyboardEvent.getModifierState.key_parameter_alt Chrome10/1/2013 Safari on iOS3/27/20171273
api.KeyboardEvent.getModifierState.key_parameter_altgraph Chrome1/20/2016 Safari on iOS3/27/2017432
api.KeyboardEvent.getModifierState.key_parameter_capslock Chrome1/20/2016 Safari on iOS3/27/2017432
api.KeyboardEvent.getModifierState.key_parameter_control Chrome10/1/2013 Safari on iOS3/27/20171273
api.KeyboardEvent.getModifierState.key_parameter_meta Chrome10/1/2013 Safari on iOS3/27/20171273
api.KeyboardEvent.getModifierState.key_parameter_shift Chrome10/1/2013 Safari on iOS3/27/20171273
api.KeyboardEvent.isComposing 📋Chrome1/25/2017 Safari on iOS3/27/201761
api.KeyboardEvent.key 📋Chrome5/25/2016 Safari on iOS3/27/2017306
Chrome: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.Chrome Android: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.Internet Explorer: IE's implementation does not completely match the current spec because it is based on an older version of the spec.Quest Browser: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.Opera: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.Opera Android: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.Samsung Internet: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.WebView Android: When selecting an autocomplete suggestion, a keydown event fires where the event's key property is undefined. See bug 41425904.
api.KeyboardEvent.key.dead_key Chrome5/25/2016 Safari on iOS3/27/2017306
api.KeyboardEvent.key.non_printable_keys Chrome5/25/2016 Safari on iOS3/27/2017306
Internet Explorer: IE's implementation does not completely match the current spec because it is based on an older version of the spec.
api.KeyboardEvent.key.printable_key Chrome5/25/2016 Safari on iOS3/27/2017306
Internet Explorer: IE's implementation does not completely match the current spec because it is based on an older version of the spec.
api.Navigator.getGamepads 📋Chrome5/20/2014 Safari on iOS3/27/20171042
api.Navigator.languages 📋Chrome8/26/2014 Safari on iOS3/27/2017944
Chrome: Before Chrome 65, navigator.languages[0] is not guaranteed to equal navigator.language.Chrome Android: Before Chrome Android 65, navigator.languages[0] is not guaranteed to equal navigator.language.Firefox: In Firefox, the navigator.languages property's value is taken from the intl.accept_languages preference.Firefox for Android: In Firefox for Android, the navigator.languages property's value is taken from the intl.accept_languages preference.Internet Explorer: Closest available (non-standard) properties are userLanguage and browserLanguage.Quest Browser: Before Quest Browser 5.0, navigator.languages[0] is not guaranteed to equal navigator.language.WebView Android: Before version 65, navigator.languages[0] is not guaranteed to equal navigator.language.
api.Node.getRootNode 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.PerformanceTiming.toJSON 📋Chrome7/21/2015 Safari on iOS3/27/2017615
api.ReadableStream 📋Chrome5/19/2015 Safari on iOS3/27/2017678
Node.js: Available as a part of the stream/web module.
api.ReadableStream.ReadableStream 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.ReadableStream.cancel 📋Chrome5/19/2015 Safari on iOS3/27/2017678
api.ReadableStream.getReader 📋Chrome5/19/2015 Safari on iOS3/27/2017678
api.ReadableStream.locked 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.ReadableStream.tee 📋Chrome7/20/2016 Safari on iOS3/27/2017250
Node.js: Before 18.10.0 or 16.18.0, teeing a readable byte stream is not supported.
api.Request 📋Chrome4/14/2015 Safari on iOS3/27/2017713
Chrome: Only available in service workers.Chrome Android: Only available in service workers.Opera: Only available in service workers.Opera Android: Only available in service workers.WebView Android: Only available in service workers.
api.Request.Request 📋Chrome1/21/2015 Safari on iOS3/27/2017796
Chrome: From Chrome 47, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual).Chrome Android: From Chrome Android 47, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual).Deno: Fetching with a "manual" redirect mode does not result in a "opaqueredirect" response, but a regular response.Quest Browser: From Quest Browser 5.0, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual).Samsung Internet: From Samsung Internet 5.0, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual).WebView Android: From WebView Android 47, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual).
api.Request.Request.init_referrer_parameter 📋Chrome12/1/2015 Safari on iOS3/27/2017482
api.Request.Request.response_body_readablestream Chrome5/19/2015 Safari on iOS3/27/2017678
api.Request.arrayBuffer 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Request.blob 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Request.bodyUsed 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Request.clone 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.credentials 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.headers 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.integrity 📋Chrome10/13/2015 Safari on iOS3/27/2017531
api.Request.json 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Request.method 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.mode 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.mode.navigate_mode Chrome3/2/2016 Safari on iOS3/27/2017390
api.Request.redirect 📋Chrome10/13/2015 Safari on iOS3/27/2017531
Deno: Fetching with a "manual" redirect mode does not result in a "opaqueredirect" response, but a regular response.
api.Request.referrer 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Request.referrerPolicy 📋Chrome7/20/2016 Safari on iOS3/27/2017250
api.Request.text 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Request.url 📋Chrome1/21/2015 Safari on iOS3/27/2017796
Chrome: Fragment support added in Chrome 59.Chrome Android: Fragment support added in Chrome Android 59.Quest Browser: Fragment support added in Quest Browser 5.0.Opera: Fragment support added in Opera 46.Opera Android: Fragment support added in Opera 46.Samsung Internet: Fragment support added in Samsung Internet 7.0.WebView Android: Fragment support added in WebView Android 59.
api.Response 📋Chrome4/14/2015 Safari on iOS3/27/2017713
Chrome: Only available in service workers.Chrome Android: Only available in service workers.Opera: Only available in service workers.Opera Android: Only available in service workers.WebView Android: Only available in service workers.
api.Response.Response 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.Response.accept_readablestream Chrome7/20/2016 Safari on iOS3/27/2017250
api.Response.Response.body_parameter_optional Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.arrayBuffer 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.blob 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.body 📋Chrome5/19/2015 Safari on iOS3/27/2017678
api.Response.bodyUsed 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.clone 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.error_static 📋Chrome5/19/2015 Safari on iOS3/27/2017678
api.Response.headers 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.json 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.ok 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.redirect_static 📋Chrome7/21/2015 Safari on iOS3/27/2017615
api.Response.redirected 📋Chrome3/9/2017 Safari on iOS3/27/201718
api.Response.status 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.statusText 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.text 📋Chrome4/14/2015 Safari on iOS3/27/2017713
api.Response.type 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.Response.url 📋Chrome1/21/2015 Safari on iOS3/27/2017796
api.ShadowRoot.elementFromPoint Chrome8/31/2016 Safari on iOS3/27/2017208
Chrome: Before Chrome 66, this method returned null when the element was a child of a host node. See bug 40537452.Chrome Android: Before Chrome Android 66, this method returned null when the element was a child of a host node. See bug 40537452.Quest Browser: Before Quest Browser 5.0, this method returned null when the element was a child of a host node. See bug 40537452.Opera: Before Opera 53, this method returned null when the element was a child of a host node. See bug 40537452.Opera Android: Before Opera Android 47, this method returned null when the element was a child of a host node. See bug 40537452.Samsung Internet: Before Samsung Internet 9.0, this method returned null when the element was a child of a host node. See bug 40537452.WebView Android: Before WebView Android 66, this method returned null when the element was a child of a host node. See bug 40537452.
api.ShadowRoot.mode 📋Chrome8/31/2016 Safari on iOS3/27/2017208
api.TextDecoder 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Firefox: Implemented a slightly different version of the spec.Firefox for Android: Implemented a slightly different version of the spec.Node.js: Available as a part of the util module.
api.TextDecoder.TextDecoder 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Firefox: Implemented a slightly different version of the spec.Firefox for Android: Implemented a slightly different version of the spec.
api.TextDecoder.decode 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Deno: Before Deno 1.11, passing option.stream is not supported and results in an error being thrown.Firefox: Implemented a slightly different version of the spec.Firefox for Android: Implemented a slightly different version of the spec.
api.TextDecoder.encoding 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Firefox: Implemented a slightly different version of the spec.Firefox for Android: Implemented a slightly different version of the spec.
api.TextDecoder.fatal 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextDecoder.ignoreBOM 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextDecoder.worker_support Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextEncoder 📋Chrome10/7/2014 Safari on iOS3/27/2017902
Node.js: Available as a part of the util module.
api.TextEncoder.TextEncoder 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextEncoder.encode 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextEncoder.encoding 📋Chrome10/7/2014 Safari on iOS3/27/2017902
api.TextEncoder.worker_support Chrome10/7/2014 Safari on iOS3/27/2017902
api.URL.searchParams 📋Chrome5/25/2016 Safari on iOS3/27/2017306
Node.js: An object matching the URLSearchParams interface is returned, but it contains no data.
api.URLSearchParams 📋Chrome3/2/2016 Safari on iOS3/27/2017390
Firefox: Before version 57 single quotes in URLs were escaped (see bug 1386683).Firefox for Android: Before version 57 single quotes in URLs were escaped (see bug 1386683).Node.js: Available as a part of the url module.Node.js: Only available as an internal instance, but can be accessed via the searchParams property of the URL interface.Node.js: Available as a part of the url module.
api.URLSearchParams.@@iterator 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.URLSearchParams 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.URLSearchParams.USVString Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.append 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.entries 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.forEach 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.get 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.getAll 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.has 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.keys 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.set 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.toString 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.URLSearchParams.values 📋Chrome3/2/2016 Safari on iOS3/27/2017390
api.Window.customElements 📋Chrome10/12/2016 Safari on iOS3/27/2017166
api.Window.languagechange_event 📋Chrome8/26/2014 Safari on iOS3/27/2017944
api.Window.scroll.options_left_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.Window.scroll.options_top_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.Window.scrollBy.options_left_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.Window.scrollBy.options_top_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.Window.scrollTo.options_left_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.Window.scrollTo.options_top_parameter Chrome3/3/2015 Safari on iOS3/27/2017755
api.WorkerNavigator.languages 📋Chrome8/26/2014 Safari on iOS3/27/2017944
Chrome: Before Chrome 65, navigator.languages[0] is not guaranteed to equal navigator.language.Chrome Android: Before Chrome Android 65, navigator.languages[0] is not guaranteed to equal navigator.language.Firefox: In Firefox, the navigator.languages property's value is taken from the intl.accept_languages preference.Firefox for Android: In Firefox for Android, the navigator.languages property's value is taken from the intl.accept_languages preference.Internet Explorer: Closest available (non-standard) properties are userLanguage and browserLanguage.Quest Browser: Before Quest Browser 5.0, navigator.languages[0] is not guaranteed to equal navigator.language.WebView Android: Before version 65, navigator.languages[0] is not guaranteed to equal navigator.language.
api.crypto.worker_support Chrome8/26/2014 Safari on iOS3/27/2017944
api.fetch 📋Chrome4/14/2015 Safari on iOS3/27/2017713
Deno: Fetching with a "manual" redirect mode does not result in a "opaqueredirect" response, but a regular response.
api.fetch.blob_data_support Chrome1/20/2016 Safari on iOS3/27/2017432
javascript.builtins.AsyncFunction 📋Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.builtins.AsyncFunction.AsyncFunction 📋Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.builtins.Date.UTC.optional_monthIndex Chrome10/25/2011 Safari on iOS3/27/20171980
javascript.builtins.Intl.getCanonicalLocales 📋Chrome10/12/2016 Safari on iOS3/27/2017166
javascript.builtins.Object.entries 📋Chrome10/12/2016 Safari on iOS3/27/2017166
javascript.builtins.Object.values 📋Chrome10/12/2016 Safari on iOS3/27/2017166
javascript.functions.method_definitions.async_methods Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.operators.async_function 📋Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.operators.await 📋Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.operators.exponentiation 📋Chrome7/20/2016 Safari on iOS3/27/2017250
javascript.operators.exponentiation_assignment 📋Chrome7/20/2016 Safari on iOS3/27/2017250
javascript.statements.async_function 📋Chrome12/1/2016 Safari on iOS3/27/2017116
javascript.statements.class 📋Chrome3/2/2016 Safari on iOS3/27/2017390
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Opera: Strict mode is required.Opera Android: Strict mode is required.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.
javascript.builtins.String.padEnd 📋Safari on iOS9/13/2016 Chrome3/9/2017177
javascript.builtins.String.padStart 📋Safari on iOS9/13/2016 Chrome3/9/2017177

2016/12

API First Browser Date Last Browser Date Days Notes
api.EventTarget.addEventListener.options_parameter.options_once_parameter 📋Safari on iOS9/13/2016 Chrome12/1/201679
api.SVGElement.dataset 📋Safari on iOS10/12/2011 Chrome12/1/20161877

2016/10

API First Browser Date Last Browser Date Days Notes
api.CanvasRenderingContext2D.imageSmoothingQuality 📋Safari on iOS3/21/2016 Chrome10/12/2016205
api.CharacterData.after 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.CharacterData.before 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.CharacterData.replaceWith 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Document.append 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Document.prepend 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.DocumentFragment.append 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.DocumentFragment.prepend 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.DocumentType.after 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.DocumentType.before 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.DocumentType.replaceWith 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Element.after 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Element.append 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Element.before 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Element.prepend 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.Element.replaceWith 📋Safari on iOS9/13/2016 Chrome10/12/201629
api.HTMLAreaElement.rel 📋Safari on iOS9/16/2015 Chrome10/12/2016392
javascript.builtins.Object.getOwnPropertyDescriptors 📋Safari on iOS9/13/2016 Chrome10/12/201629

2016/9

API First Browser Date Last Browser Date Days Notes
api.DOMTokenList.trim_whitespace Chrome1/20/2016 Safari on iOS9/13/2016237
api.DOMTokenList.value 📋Chrome4/13/2016 Safari on iOS9/13/2016153
Chrome: Before Chrome 50, this property was part of the deprecated child DOMSettableTokenList interface.Chrome Android: Before Chrome Android 50, this property was part of the deprecated child DOMSettableTokenList interface.Quest Browser: Before Quest Browser 5.0, this property was part of the deprecated child DOMSettableTokenList interface.Opera: Before Opera 37, this property was part of the deprecated child DOMSettableTokenList interface.Opera Android: Before Opera Android 37, this property was part of the deprecated child DOMSettableTokenList interface.Samsung Internet: Before Samsung Internet 5.0, this property was part of the deprecated child DOMSettableTokenList interface.WebView Android: Before WebView Android 50, this property was part of the deprecated child DOMSettableTokenList interface.
api.Document.execCommand.copy Chrome4/14/2015 Safari on iOS9/13/2016518
api.Document.execCommand.cut Chrome4/14/2015 Safari on iOS9/13/2016518
api.Document.fonts 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.Element.assignedSlot 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.Element.attachShadow 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.Element.securitypolicyviolation_event 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.Element.shadowRoot 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.Element.slot 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.ErrorEvent.error 📋Chrome10/1/2013 Safari on iOS9/13/20161078
api.Event.composed 📋Chrome8/31/2016 Safari on iOS9/13/201613
Firefox: Before Firefox 95, this property was incorrectly set to false on <select> and <input type='checkbox'> elements.Firefox for Android: Before Firefox for Android 95, this property was incorrectly set to false on <select> and <input type='checkbox'> elements.Node.js: This is not used in Node.js and is provided purely for completeness.
api.Event.composedPath 📋Chrome8/31/2016 Safari on iOS9/13/201613
Node.js: Returns an array with either the event itself or empty.Node.js: This is not used in Node.js and is provided purely for completeness.
api.Event.isTrusted 📋Chrome10/13/2015 Safari on iOS9/13/2016336
Chrome: Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.Chrome Android: Starting with Chrome Android 53 and Opera 40, untrusted events do not invoke the default action.Internet Explorer: In Internet Explorer, all events are trusted except those that are created with the createEvent() method.Quest Browser: Starting with Quest Browser 5.0 and Opera 40, untrusted events do not invoke the default action.Opera: Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.Opera Android: Starting with Chrome 53 and Opera 40, untrusted events do not invoke the default action.Samsung Internet: Starting with Samsung Internet 6.0 and Opera 40, untrusted events do not invoke the default action.WebView Android: Starting with version 53, untrusted events do not invoke the default action.
api.EventTarget.addEventListener.options_parameter Chrome3/2/2016 Safari on iOS9/13/2016195
api.EventTarget.addEventListener.options_parameter.options_capture_parameter 📋Chrome3/2/2016 Safari on iOS9/13/2016195
api.EventTarget.addEventListener.options_parameter.options_passive_parameter 📋Chrome5/25/2016 Safari on iOS9/13/2016111
api.EventTarget.removeEventListener.options_parameter Chrome3/2/2016 Safari on iOS9/13/2016195
api.File.lastModified 📋Chrome8/2/2011 Safari on iOS9/13/20161869
api.FontFace 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.FontFace 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.family 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.load 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.loaded 📋Chrome8/26/2014 Safari on iOS9/13/2016749
api.FontFace.status 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.stretch 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.style 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.unicodeRange 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFace.weight 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet 📋Chrome5/20/2014 Safari on iOS9/13/2016847
Chrome: Chrome does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Chrome Android: Chrome Android does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Edge: Edge does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Quest Browser: Quest Browser does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Opera: Opera does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Opera Android: Opera Android does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.Samsung Internet: Samsung Internet does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.WebView Android: WebView Android does not expose the FontFaceSet interface directly, and is only available through Document.fonts or WorkerGlobalScope.fonts.
api.FontFaceSet.@@iterator 📋Chrome1/20/2016 Safari on iOS9/13/2016237
api.FontFaceSet.add 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.clear 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.delete 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.entries Chrome1/20/2016 Safari on iOS9/13/2016237
api.FontFaceSet.forEach Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.has Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.keys Chrome1/20/2016 Safari on iOS9/13/2016237
api.FontFaceSet.load 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.loading_event 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.loadingdone_event 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.loadingerror_event 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.ready 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.size Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.status 📋Chrome5/20/2014 Safari on iOS9/13/2016847
api.FontFaceSet.values Chrome1/20/2016 Safari on iOS9/13/2016237
api.Geolocation.secure_context_required Chrome4/13/2016 Safari on iOS9/13/2016153
WebView Android: Secure context is only required for applications targeting Android Nougat (7) and higher. See bug 40465140.
api.GeolocationCoordinates.secure_context_required Chrome12/1/2015 Safari on iOS9/13/2016287
api.GeolocationPosition.secure_context_required Chrome12/1/2015 Safari on iOS9/13/2016287
api.GeolocationPositionError.secure_context_required Chrome12/1/2015 Safari on iOS9/13/2016287
api.HTMLAnchorElement.password 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.HTMLAnchorElement.username 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.HTMLAreaElement.origin 📋Chrome1/14/2014 Safari on iOS9/13/2016973
Firefox: Before Firefox 49, results for URL using the blob scheme incorrectly returned null.Firefox for Android: Before Firefox for Android 49, results for URL using the blob scheme incorrectly returned null.
api.HTMLAreaElement.password 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.HTMLAreaElement.username 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.HTMLLinkElement.as 📋Chrome4/13/2016 Safari on iOS9/13/2016153
api.HTMLLinkElement.crossOrigin 📋Chrome4/8/2014 Safari on iOS9/13/2016889
api.HTMLMediaElement.crossOrigin 📋Chrome2/20/2014 Safari on iOS9/13/2016936
api.HTMLMediaElement.play.returns_promise Chrome4/13/2016 Safari on iOS9/13/2016153
api.HTMLSlotElement 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.HTMLSlotElement.assignedNodes 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.HTMLSlotElement.name 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.HTMLTrackElement.cuechange_event 📋Chrome1/14/2014 Safari on iOS9/13/2016973
Chrome: The oncuechange event handler property is not supported.Chrome Android: The oncuechange event handler property is not supported.Opera: The oncuechange event handler property is not supported.Opera Android: The oncuechange event handler property is not supported.Safari: The oncuechange event handler property is not supported.Safari on iOS: The oncuechange event handler property is not supported.Samsung Internet: The oncuechange event handler property is not supported.WebView Android: The oncuechange event handler property is not supported.WebView on iOS: The oncuechange event handler property is not supported.
api.IDBCursor.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBCursorWithValue.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBDatabase.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBFactory.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBIndex.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBKeyRange.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBObjectStore.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBOpenDBRequest.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBRequest.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBTransaction.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.IDBVersionChangeEvent.IDBVersionChangeEvent 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.IDBVersionChangeEvent.worker_support Chrome11/6/2012 Safari on iOS9/13/20161407
api.Navigator.geolocation.secure_context_required Chrome12/1/2015 Safari on iOS9/13/2016287
api.Node.isConnected 📋Chrome5/25/2016 Safari on iOS9/13/2016111
api.NodeList.@@iterator 📋Chrome5/25/2016 Safari on iOS9/13/2016111
api.NodeList.entries Chrome5/25/2016 Safari on iOS9/13/2016111
api.NodeList.forEach 📋Chrome5/25/2016 Safari on iOS9/13/2016111
api.NodeList.keys Chrome5/25/2016 Safari on iOS9/13/2016111
api.NodeList.values Chrome5/25/2016 Safari on iOS9/13/2016111
api.ProgressEvent.worker_support Chrome12/1/2015 Safari on iOS9/13/2016287
Chrome: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Chrome Android: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Edge: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Quest Browser: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Opera: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Opera Android: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.Samsung Internet: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.WebView Android: Available in dedicated workers and shared workers, not available in service workers. See bug 332663431.
api.ReadableStreamDefaultController 📋Chrome7/20/2016 Safari on iOS9/13/201655
Deno: ReadableStreamDefaultController is not exposed on the global scope.Node.js: Available as a part of the stream/web module.
api.ReadableStreamDefaultController.close 📋Chrome7/20/2016 Safari on iOS9/13/201655
api.ReadableStreamDefaultController.desiredSize 📋Chrome7/20/2016 Safari on iOS9/13/201655
api.ReadableStreamDefaultController.enqueue 📋Chrome7/20/2016 Safari on iOS9/13/201655
api.ReadableStreamDefaultController.error 📋Chrome7/20/2016 Safari on iOS9/13/201655
api.ReadableStreamDefaultReader 📋Chrome5/19/2015 Safari on iOS9/13/2016483
Deno: ReadableStreamDefaultReader is not exposed on the global scope.Node.js: Available as a part of the stream/web module.
api.ReadableStreamDefaultReader.cancel 📋Chrome5/19/2015 Safari on iOS9/13/2016483
api.ReadableStreamDefaultReader.closed 📋Chrome5/19/2015 Safari on iOS9/13/2016483
api.ReadableStreamDefaultReader.read 📋Chrome5/19/2015 Safari on iOS9/13/2016483
api.ReadableStreamDefaultReader.releaseLock 📋Chrome5/19/2015 Safari on iOS9/13/2016483
api.SVGAnimationElement.endEvent_event 📋Chrome5/20/2014 Safari on iOS9/13/2016847
Chrome: The onend event handler property is not supported.Chrome Android: The onend event handler property is not supported.Firefox: The onend event handler property is not supported.Firefox for Android: The onend event handler property is not supported.Opera: The onend event handler property is not supported.Opera Android: The onend event handler property is not supported.Safari: The onend event handler property is not supported.Safari on iOS: The onend event handler property is not supported.Samsung Internet: The onend event handler property is not supported.WebView Android: The onend event handler property is not supported.WebView on iOS: The onend event handler property is not supported.
api.SecurityPolicyViolationEvent 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.SecurityPolicyViolationEvent 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.blockedURI 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.columnNumber 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.documentURI 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.effectiveDirective 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.lineNumber 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.originalPolicy 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.referrer 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.sourceFile 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.statusCode 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.SecurityPolicyViolationEvent.violatedDirective 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.ShadowRoot 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.ShadowRoot.activeElement 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.ShadowRoot.host 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.ShadowRoot.innerHTML 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.Text.assignedSlot 📋Chrome8/31/2016 Safari on iOS9/13/201613
api.Touch.clientX 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.clientY 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.force 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.identifier 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.pageX 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.pageY 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.radiusX 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.radiusY 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.rotationAngle 📋Chrome5/19/2015 Safari on iOS9/13/2016483
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.screenX 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.screenY 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.Touch.target 📋Chrome9/25/2012 Safari on iOS9/13/20161449
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.URL.hostname 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.URL.href 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.URL.origin 📋Chrome1/14/2014 Safari on iOS9/13/2016973
Firefox: Before Firefox 49, Results for URL using the blob scheme incorrectly returned null.Firefox for Android: Before Firefox for Android 49, Results for URL using the blob scheme incorrectly returned null.
api.URL.password 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.URL.pathname 📋Chrome1/14/2014 Safari on iOS9/13/2016973
Firefox: Before Firefox 53, pathname and search returned wrong values for custom protocols. Given protocol:host/x?a=true&b=false, pathname would return "/x?a=true&b=false" and search would return "", rather than "/x" and "?a=true&b=false" respectively. See bug 1310483.Firefox for Android: Before Firefox for Android 53, pathname and search returned wrong values for custom protocols. Given protocol:host/x?a=true&b=false, pathname would return "/x?a=true&b=false" and search would return "", rather than "/x" and "?a=true&b=false" respectively. See bug 1310483.
api.URL.port 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.URL.protocol 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.URL.search 📋Chrome1/14/2014 Safari on iOS9/13/2016973
Firefox: Before Firefox 53, pathname and search returned wrong values for custom protocols. Given protocol:host/x?a=true&b=false, pathname would return "/x?a=true&b=false" and search would return "", rather than "/x" and "?a=true&b=false" respectively. See bug 1310483.Firefox for Android: Before Firefox for Android 53, pathname and search returned wrong values for custom protocols. Given protocol:host/x?a=true&b=false, pathname would return "/x?a=true&b=false" and search would return "", rather than "/x" and "?a=true&b=false" respectively. See bug 1310483.
api.URL.username 📋Chrome1/14/2014 Safari on iOS9/13/2016973
api.ValidityState.tooShort 📋Chrome1/21/2015 Safari on iOS9/13/2016601
api.WorkerGlobalScope.securitypolicyviolation_event 📋Chrome3/3/2015 Safari on iOS9/13/2016560
api.WorkerLocation.origin 📋Chrome10/7/2014 Safari on iOS9/13/2016707
api.WorkerNavigator.appCodeName 📋Chrome1/25/2010 Safari on iOS9/13/20162423
api.WorkerNavigator.language 📋Chrome1/25/2010 Safari on iOS9/13/20162423
Firefox: Before Firefox 4, this property's value was also part of the user agent string, as reported by navigator.userAgent. Starting in Firefox 5, this property's value is based on the value of the Accept-Language HTTP header.Internet Explorer: Closest available (non-standard) properties are userLanguage and browserLanguage.
api.WorkerNavigator.product 📋Chrome1/25/2010 Safari on iOS9/13/20162423
api.XMLDocument 📋Chrome4/8/2014 Safari on iOS9/13/2016889
Chrome: Implemented as an alias for Document.Chrome Android: Implemented as an alias for Document.Opera: Implemented as an alias for Document.Opera Android: Implemented as an alias for Document.Safari: Implemented as an alias for Document.Safari on iOS: Implemented as an alias for Document.Samsung Internet: Implemented as an alias for Document.WebView Android: Implemented as an alias for Document.WebView on iOS: Implemented as an alias for Document.
api.atob.worker_support Chrome10/1/2013 Safari on iOS9/13/20161078
api.btoa.worker_support Chrome10/1/2013 Safari on iOS9/13/20161078
api.indexedDB.worker_support Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Array.@@iterator 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.Array.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.Array.@@unscopables 📋Chrome10/7/2014 Safari on iOS9/13/2016707
javascript.builtins.ArrayBuffer.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.Date.@@toPrimitive 📋Chrome12/1/2015 Safari on iOS9/13/2016287
javascript.builtins.Date.toLocaleDateString.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Date.toLocaleDateString.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Date.toLocaleString.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Date.toLocaleString.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Date.toLocaleTimeString.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Date.toLocaleTimeString.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Float32Array.Float32Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Float64Array.Float64Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Function.@@hasInstance 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Function.length.configurable_true Chrome5/19/2015 Safari on iOS9/13/2016483
javascript.builtins.Function.name.configurable_true Chrome5/19/2015 Safari on iOS9/13/2016483
javascript.builtins.Function.name.inferred_names Chrome5/25/2016 Safari on iOS9/13/2016111
Edge: Names for functions defined in a dictionary are properly assigned; however, anonymous functions defined on a var/let variable assignment have blank names.
javascript.builtins.Generator 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Generator.next 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Generator.return 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Generator.throw 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.GeneratorFunction 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.GeneratorFunction.GeneratorFunction 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Int16Array.Int16Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Int32Array.Int32Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Int8Array.Int8Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Intl 📋Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the Collator() constructor for more details.
javascript.builtins.Intl.Collator.Collator 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the Collator instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.Collator.Collator.options_ignorePunctuation_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator.Collator.options_localeMatcher_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator.Collator.options_numeric_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator.Collator.options_sensitivity_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator.Collator.options_usage_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.Collator.compare 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the Collator() constructor for more details.
javascript.builtins.Intl.Collator.resolvedOptions 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the Collator() constructor for more details.
javascript.builtins.Intl.Collator.supportedLocalesOf 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.DateTimeFormat 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the DateTimeFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the DateTimeFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter.iana_time_zones Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.DateTimeFormat.format 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.
javascript.builtins.Intl.DateTimeFormat.resolvedOptions 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the DateTimeFormat() constructor for more details.
javascript.builtins.Intl.DateTimeFormat.resolvedOptions.computed_timezone Chrome5/20/2014 Safari on iOS9/13/2016847
javascript.builtins.Intl.DateTimeFormat.supportedLocalesOf 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.NumberFormat 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the NumberFormat() constructor for more details.
javascript.builtins.Intl.NumberFormat.NumberFormat 📋Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the NumberFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currency_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_localeMatcher_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_maximumFractionDigits_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_maximumSignificantDigits_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumFractionDigits_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumIntegerDigits_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumSignificantDigits_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_style_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_useGrouping_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the NumberFormat instance silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Intl.NumberFormat.format 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Edge: Before Edge 18, numbers are rounded to 15 decimal digits. For example, new Intl.NumberFormat('en-US').format(1000000000000005) returns "1,000,000,000,000,010".Internet Explorer: In Internet Explorer 11, numbers are rounded to 15 decimal digits. For example, new Intl.NumberFormat('en-US').format(1000000000000005) returns "1,000,000,000,000,010".Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the NumberFormat() constructor for more details.
javascript.builtins.Intl.NumberFormat.resolvedOptions 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. See the NumberFormat() constructor for more details.
javascript.builtins.Intl.NumberFormat.supportedLocalesOf 📋Chrome1/10/2013 Safari on iOS9/13/20161342
Node.js: Before version 13.0.0, only the locale data for en-US is available by default. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Iterator 📋Chrome10/7/2014 Safari on iOS9/13/2016707
javascript.builtins.Iterator.@@iterator 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.Map.@@iterator 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.Map.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.Number.toLocaleString.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Number.toLocaleString.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.Promise.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.Proxy 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.Proxy 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.apply 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.construct 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.defineProperty 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.deleteProperty 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.get 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.getOwnPropertyDescriptor 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.getPrototypeOf 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.has 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.isExtensible 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.ownKeys 📋Chrome3/2/2016 Safari on iOS9/13/2016195
Firefox: In Firefox 42, the implementation got updated to reflect the final ES2015 specification: The result is now checked if it is an array and if the array elements are either of type string or of type symbol. Enumerating duplicate own property names is not a failure anymore.Firefox for Android: In Firefox for Android 42, the implementation got updated to reflect the final ES2015 specification: The result is now checked if it is an array and if the array elements are either of type string or of type symbol. Enumerating duplicate own property names is not a failure anymore.
javascript.builtins.Proxy.handler.preventExtensions 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.set 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Proxy.handler.setPrototypeOf 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.apply 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.construct 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.defineProperty 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.deleteProperty 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.get 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.getOwnPropertyDescriptor 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.getPrototypeOf 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.has 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.isExtensible 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.ownKeys 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.preventExtensions 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.set 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.Reflect.setPrototypeOf 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.RegExp.@@match 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.RegExp.@@replace 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.RegExp.@@search 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.RegExp.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.RegExp.@@split 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.RegExp.sticky 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.RegExp.sticky.anchored_sticky_flag Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.RegExp.sticky.prototype_accessor Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.RegExp.unicode 📋Chrome4/13/2016 Safari on iOS9/13/2016153
Edge: Case folding is implemented in version 13Node.js: Case folding is implemented in version 8.6.0
javascript.builtins.Set.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.String.localeCompare.locales_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.String.localeCompare.options_parameter Chrome1/10/2013 Safari on iOS9/13/20161342
javascript.builtins.String.normalize 📋Chrome4/8/2014 Safari on iOS9/13/2016889
javascript.builtins.Symbol.@@toPrimitive 📋Chrome12/1/2015 Safari on iOS9/13/2016287
javascript.builtins.Symbol.hasInstance 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Symbol.isConcatSpreadable 📋Chrome1/20/2016 Safari on iOS9/13/2016237
javascript.builtins.Symbol.iterator 📋Chrome5/19/2015 Safari on iOS9/13/2016483
javascript.builtins.Symbol.match 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Symbol.replace 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Symbol.search 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Symbol.species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.Symbol.split 📋Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.builtins.Symbol.toPrimitive 📋Chrome12/1/2015 Safari on iOS9/13/2016287
javascript.builtins.Symbol.toStringTag 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.builtins.TypedArray.@@iterator 📋Chrome10/7/2014 Safari on iOS9/13/2016707
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.TypedArray.@@species 📋Chrome5/25/2016 Safari on iOS9/13/2016111
javascript.builtins.TypedArray.copyWithin 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.entries 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.every 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.fill 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.filter 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.find 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.findIndex 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.forEach 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.from 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.includes 📋Chrome12/1/2015 Safari on iOS9/13/2016287
javascript.builtins.TypedArray.indexOf 📋Chrome9/1/2015 Safari on iOS9/13/2016378
Firefox: Starting with Firefox 47, this method will no longer return -0. For example, new Uint8Array([0]).indexOf(0, -0) will now always return +0.Firefox for Android: Starting with Firefox for Android 47, this method will no longer return -0. For example, new Uint8Array([0]).indexOf(0, -0) will now always return +0.
javascript.builtins.TypedArray.iterable_in_constructor Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.TypedArray.join 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.keys 📋Chrome10/7/2014 Safari on iOS9/13/2016707
javascript.builtins.TypedArray.lastIndexOf 📋Chrome9/1/2015 Safari on iOS9/13/2016378
Firefox: Starting with Firefox 47, this method will no longer return -0. For example, new Uint8Array([0]).lastIndexOf(0, -0) will now always return +0.Firefox for Android: Starting with Firefox for Android 47, this method will no longer return -0. For example, new Uint8Array([0]).lastIndexOf(0, -0) will now always return +0.
javascript.builtins.TypedArray.map 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.of 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.reduce 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.reduceRight 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.reverse 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.slice 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.some 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.sort 📋Chrome9/1/2015 Safari on iOS9/13/2016378
javascript.builtins.TypedArray.values 📋Chrome10/7/2014 Safari on iOS9/13/2016707
javascript.builtins.Uint16Array.Uint16Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Uint32Array.Uint32Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Uint8Array.Uint8Array.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray.iterable_allowed Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.functions.arrow_functions 📋Chrome9/1/2015 Safari on iOS9/13/2016378
Firefox: The initial implementation of arrow functions in Firefox made them automatically strict. This has been changed as of Firefox 24. The use of 'use strict'; is now required.Firefox: Before Firefox 39, a line terminator (\n) was incorrectly allowed after arrow function arguments. This has been fixed to conform to the ES2015 specification and code like () \n => {} will now throw a SyntaxError in this and later versions.Firefox for Android: The initial implementation of arrow functions in Firefox for Android made them automatically strict. This has been changed as of Firefox for Android 24. The use of 'use strict'; is now required.Firefox for Android: Before Firefox for Android 39, a line terminator (\n) was incorrectly allowed after arrow function arguments. This has been fixed to conform to the ES2015 specification and code like () \n => {} will now throw a SyntaxError in this and later versions.
javascript.functions.block_level_functions Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.functions.default_parameters 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.functions.default_parameters.destructured_parameter_with_default_value_assignment Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.functions.default_parameters.parameters_without_defaults_after_default_parameters Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.functions.rest_parameters 📋Chrome12/1/2015 Safari on iOS9/13/2016287
javascript.functions.rest_parameters.destructuring Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.operators.destructuring.computed_property_names Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.operators.generator_function 📋Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.operators.yield 📋Chrome11/18/2014 Safari on iOS9/13/2016665
Firefox: Starting with Firefox 33, the parsing of the yield expression has been updated to conform with the ES2015 specification.Firefox: Starting with Firefox 29, an IteratorResult object returned for completed generator function.Firefox for Android: Starting with Firefox for Android 33, the parsing of the yield expression has been updated to conform with the ES2015 specification.Firefox for Android: Starting with Firefox for Android 29, an IteratorResult object returned for completed generator function.
javascript.operators.yield_star 📋Chrome11/18/2014 Safari on iOS9/13/2016665
Firefox: Starting with Firefox 33, the parsing of the yield expression has been updated to conform with the ES2015 specification.Firefox for Android: Starting with Firefox for Android 33, the parsing of the yield expression has been updated to conform with the ES2015 specification.
javascript.regular_expressions.character_escape.unicode Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.statements.generator_function 📋Chrome11/18/2014 Safari on iOS9/13/2016665
javascript.statements.generator_function.IteratorResult_object Chrome3/2/2016 Safari on iOS9/13/2016195
javascript.statements.generator_function.not_constructable_with_new Chrome4/13/2016 Safari on iOS9/13/2016153
javascript.statements.let 📋Chrome3/2/2016 Safari on iOS9/13/2016195
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Edge: In Edge 12 and 13, let within a for loop initializer does not create a separate variable for each loop iteration as defined by ES2015. Instead, it behaves as though the loop were wrapped in a scoping block with the let immediately before the loop.Firefox: Before Firefox 44, let is only available to code blocks in HTML wrapped in a <script type="application/javascript;version=1.7"> block (or higher version) and has different semantics (e.g. no temporal dead zone).Firefox: Before Firefox 46, a TypeError is thrown on redeclaration instead of a SyntaxError.Firefox: Firefox 54 adds support of let in workers.Firefox for Android: Before Firefox for Android 44, let is only available to code blocks in HTML wrapped in a <script type="application/javascript;version=1.7"> block (or higher version) and has different semantics (e.g. no temporal dead zone).Firefox for Android: Before Firefox for Android 46, a TypeError is thrown on redeclaration instead of a SyntaxError.Firefox for Android: Firefox for Android 54 adds support of let in workers.Internet Explorer: In Internet Explorer, let within a for loop initializer does not create a separate variable for each loop iteration as defined by ES2015. Instead, it behaves as though the loop were wrapped in a scoping block with the let immediately before the loop.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.

2016/7

API First Browser Date Last Browser Date Days Notes
api.AudioParam.maxValue 📋Safari on iOS9/10/2012 Chrome7/20/20161409
api.AudioParam.minValue 📋Safari on iOS9/10/2012 Chrome7/20/20161409
api.HTMLAnchorElement.toString 📋Safari on iOS6/29/2007 Chrome7/20/20163309
api.Location.toString 📋Safari on iOS6/29/2007 Chrome7/20/20163309
Internet Explorer: Intranet sites are set to Compatibility View, which will emulate IE7 and omit window.location.toString.
javascript.functions.arguments.@@iterator 📋Safari on iOS9/16/2015 Chrome7/20/2016308

2016/5

API First Browser Date Last Browser Date Days Notes
api.HTMLElement.contentEditable.plaintext-only Safari on iOS10/12/2011 Chrome5/25/20161687
javascript.statements.for_of.closing_iterators Safari on iOS9/18/2013 Chrome5/25/2016980

2016/4

API First Browser Date Last Browser Date Days Notes
api.HTMLLinkElement.relList 📋Safari on iOS9/16/2015 Chrome4/13/2016210

2016/3

API First Browser Date Last Browser Date Days Notes
api.CSSKeyframesRule 📋Chrome11/12/2013 Safari on iOS3/21/2016860
api.CSSKeyframesRule.appendRule 📋Chrome3/3/2015 Safari on iOS3/21/2016384
api.CanvasRenderingContext2D.imageSmoothingEnabled 📋Chrome10/1/2013 Safari on iOS3/21/2016902
api.DOMParser.parseFromString.html Chrome11/12/2013 Safari on iOS3/21/2016860
api.EXT_texture_filter_anisotropic 📋Chrome4/8/2014 Safari on iOS3/21/2016713
api.HTMLImageElement.currentSrc 📋Chrome10/7/2014 Safari on iOS3/21/2016531
api.HTMLImageElement.sizes 📋Chrome10/7/2014 Safari on iOS3/21/2016531
api.HTMLPictureElement 📋Chrome10/7/2014 Safari on iOS3/21/2016531
api.WEBGL_debug_renderer_info 📋Chrome2/20/2014 Safari on iOS3/21/2016760
Firefox: Deprecated, and may be removed in a future release (see bug 1722782).Firefox for Android: Deprecated, and may be removed in a future release (see bug 1722782).
javascript.functions.get.computed_property_names Chrome10/13/2015 Safari on iOS3/21/2016160
javascript.functions.method_definitions.generator_methods_not_constructable Chrome4/14/2015 Safari on iOS3/21/2016342
javascript.functions.set.computed_property_names Chrome10/13/2015 Safari on iOS3/21/2016160
javascript.operators.destructuring.rest_in_arrays Chrome3/2/2016 Safari on iOS3/21/201619
javascript.builtins.RegExp.flags 📋Safari on iOS9/16/2015 Chrome3/2/2016168
javascript.classes 📋Safari on iOS9/16/2015 Chrome3/2/2016168
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Opera: Strict mode is required.Opera Android: Strict mode is required.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.
javascript.classes.constructor 📋Safari on iOS9/16/2015 Chrome3/2/2016168
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Opera: Strict mode is required.Opera Android: Strict mode is required.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.
javascript.classes.extends 📋Safari on iOS9/16/2015 Chrome3/2/2016168
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Opera: Strict mode is required.Opera Android: Strict mode is required.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.
javascript.classes.static 📋Safari on iOS9/16/2015 Chrome3/2/2016168
Chrome: Strict mode is required.Chrome Android: Strict mode is required.Opera: Strict mode is required.Opera Android: Strict mode is required.Samsung Internet: Strict mode is required.WebView Android: Strict mode is required.
javascript.operators.destructuring 📋Safari on iOS9/17/2014 Chrome3/2/2016532
Firefox: Firefox provided a non-standard destructuring implementation from Firefox 2 to 40.Firefox for Android: Firefox for Android provided a non-standard destructuring implementation from Firefox for Android 4 to 40.

2016/1

API First Browser Date Last Browser Date Days Notes
api.Touch.Touch 📋Safari on iOS6/17/2009 Chrome1/20/20162408
Firefox: This interface is only exposed if a touch input device is detected.
api.TouchEvent.TouchEvent 📋Safari on iOS4/3/2010 Chrome1/20/20162118
Chrome: Chrome only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Chrome Android: Chrome Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Edge: Edge only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Quest Browser: Quest Browser only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Opera: Opera only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Opera Android: Opera Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Samsung Internet: Samsung Internet only supports the following touchEventInit properties: touches, targetTouches, changedTouches.WebView Android: WebView Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches.
javascript.builtins.RegExp.global.prototype_accessor Safari on iOS6/29/2007 Chrome1/20/20163127
javascript.builtins.RegExp.ignoreCase.prototype_accessor Safari on iOS6/29/2007 Chrome1/20/20163127
javascript.builtins.RegExp.multiline.prototype_accessor Safari on iOS6/29/2007 Chrome1/20/20163127
javascript.builtins.RegExp.source.prototype_accessor Safari on iOS6/29/2007 Chrome1/20/20163127

2015/12

API First Browser Date Last Browser Date Days Notes
javascript.builtins.Array.includes 📋Safari on iOS9/16/2015 Chrome12/1/201576
javascript.operators.object_initializer.computed_property_names Safari on iOS9/17/2014 Chrome12/1/2015440
javascript.operators.object_initializer.shorthand_method_names Safari on iOS9/16/2015 Chrome12/1/201576
javascript.operators.object_initializer.shorthand_property_names Safari on iOS9/16/2015 Chrome12/1/201576

2015/10

API First Browser Date Last Browser Date Days Notes
javascript.operators.spread 📋Safari on iOS9/17/2014 Chrome10/13/2015391
javascript.operators.spread.spread_in_arrays 📋Safari on iOS9/17/2014 Chrome10/13/2015391
javascript.operators.spread.spread_in_function_calls 📋Safari on iOS9/17/2014 Chrome10/13/2015391

2015/9

API First Browser Date Last Browser Date Days Notes
api.AnimationEvent 📋Chrome5/19/2015 Safari on iOS9/16/2015120
api.AnimationEvent.AnimationEvent 📋Chrome5/19/2015 Safari on iOS9/16/2015120
api.AnimationEvent.animationName 📋Chrome5/19/2015 Safari on iOS9/16/2015120
api.AnimationEvent.elapsedTime 📋Chrome5/19/2015 Safari on iOS9/16/2015120
api.AudioContext.close 📋Chrome4/14/2015 Safari on iOS9/16/2015155
api.AudioContext.resume 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.AudioContext.suspend 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.BaseAudioContext.state 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.BaseAudioContext.statechange_event 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.CSS 📋Chrome7/9/2013 Safari on iOS9/16/2015799
api.CSS.supports_static 📋Chrome7/9/2013 Safari on iOS9/16/2015799
api.CSSKeyframeRule 📋Chrome11/12/2013 Safari on iOS9/16/2015673
api.CSSSupportsRule 📋Chrome7/9/2013 Safari on iOS9/16/2015799
api.CanvasRenderingContext2D.ellipse 📋Chrome11/12/2013 Safari on iOS9/16/2015673
api.CharacterData.nextElementSibling 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.CharacterData.previousElementSibling 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.Document.childElementCount 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.Document.children 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.Document.contentType 📋Chrome7/16/2014 Safari on iOS9/16/2015427
api.Document.firstElementChild 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.Document.lastElementChild 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.Document.scrollingElement 📋Chrome7/21/2015 Safari on iOS9/16/201557
api.DocumentFragment.childElementCount 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.DocumentFragment.children 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.DocumentFragment.firstElementChild 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.DocumentFragment.getElementById 📋Chrome7/16/2014 Safari on iOS9/16/2015427
api.DocumentFragment.lastElementChild 📋Chrome8/20/2013 Safari on iOS9/16/2015757
api.EXT_blend_minmax 📋Chrome10/7/2014 Safari on iOS9/16/2015344
Firefox: Not supported on Windows.
api.EXT_sRGB 📋Chrome1/21/2015 Safari on iOS9/16/2015238
Firefox: Not supported on Windows.
api.Element.closest 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.HTMLSelectElement.add.index_before_parameter Chrome5/20/2014 Safari on iOS9/16/2015484
api.OfflineAudioContext.resume 📋Chrome3/3/2015 Safari on iOS9/16/2015197
Firefox: The method exists but always rejects with NotSupportedError. See bug 1265406.Firefox for Android: The method exists but always rejects with NotSupportedError. See bug 1265406.
api.OfflineAudioContext.suspend 📋Chrome3/3/2015 Safari on iOS9/16/2015197
api.Path2D.ellipse 📋Chrome7/16/2014 Safari on iOS9/16/2015427
api.Performance 📋Chrome9/2/2010 Safari on iOS9/16/20151840
Node.js: Only available as an internal instance.
api.Performance.navigation 📋Chrome3/8/2011 Safari on iOS9/16/20151653
api.Performance.now 📋Chrome1/10/2013 Safari on iOS9/16/2015979
Firefox: In Firefox 57.0.4 the accuracy was reduced to 20 microseconds.Firefox: In Firefox 59 the accuracy was reduced to 2 milliseconds.Firefox: In Firefox 60 the accuracy was increased to 1 millisecond.Firefox for Android: In Firefox for Android 57.0.4 the accuracy was reduced to 20 microseconds.Firefox for Android: In Firefox for Android 59 the accuracy was reduced to 2 milliseconds.Firefox for Android: In Firefox for Android 60 the accuracy was increased to 1 millisecond.
api.Performance.timing 📋Chrome9/2/2010 Safari on iOS9/16/20151840
Node.js: Returns node specific timing object
api.PerformanceNavigation 📋Chrome3/8/2011 Safari on iOS9/16/20151653
api.PerformanceNavigation.redirectCount 📋Chrome3/8/2011 Safari on iOS9/16/20151653
api.PerformanceNavigation.type 📋Chrome3/8/2011 Safari on iOS9/16/20151653
Firefox: Before Firefox 70, this property could return incorrect values. See bug 1459711.Firefox for Android: Before Firefox for Android 79, this property could return incorrect values. See bug 1459711.
api.PerformanceTiming 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.connectEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.connectStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domComplete 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domContentLoadedEventEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domContentLoadedEventStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domInteractive 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domLoading 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domainLookupEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.domainLookupStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.fetchStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.loadEventEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.loadEventStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.navigationStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.redirectEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.redirectStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.requestStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.responseEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.responseStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.secureConnectionStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.unloadEventEnd 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.PerformanceTiming.unloadEventStart 📋Chrome9/2/2010 Safari on iOS9/16/20151840
api.WebGLVertexArrayObjectOES 📋Chrome1/10/2013 Safari on iOS9/16/2015979
api.performance 📋Chrome9/2/2010 Safari on iOS9/16/20151840
Node.js: Available as a part of the perf_hooks module.
javascript.builtins.Array.copyWithin 📋Chrome9/1/2015 Safari on iOS9/16/201515
javascript.builtins.Array.from 📋Chrome9/1/2015 Safari on iOS9/16/201515
javascript.builtins.Array.of 📋Chrome9/1/2015 Safari on iOS9/16/201515
javascript.builtins.Map.Map.iterable_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Map.Map.null_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Map.key_equality_for_zeros Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Math.sign 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Number.EPSILON 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.MAX_SAFE_INTEGER 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.MIN_SAFE_INTEGER 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.isFinite 📋Chrome5/15/2012 Safari on iOS9/16/20151219
javascript.builtins.Number.isInteger 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.isNaN 📋Chrome2/21/2013 Safari on iOS9/16/2015937
javascript.builtins.Number.isSafeInteger 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.parseFloat 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Number.parseInt 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Object.assign 📋Chrome9/1/2015 Safari on iOS9/16/201515
javascript.builtins.Object.getOwnPropertySymbols 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Object.is 📋Chrome5/15/2012 Safari on iOS9/16/20151219
javascript.builtins.Object.preventExtensions.ES2015_behavior Chrome7/21/2015 Safari on iOS9/16/201557
javascript.builtins.Object.setPrototypeOf 📋Chrome4/8/2014 Safari on iOS9/16/2015526
javascript.builtins.Set.@@iterator 📋Chrome5/19/2015 Safari on iOS9/16/2015120
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.Set.Set.iterable_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Set.Set.null_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Set.key_equality_for_zeros Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.String.@@iterator 📋Chrome10/7/2014 Safari on iOS9/16/2015344
Firefox: A placeholder property named @@iterator is used.Firefox: A placeholder property named iterator is used.Firefox for Android: A placeholder property named @@iterator is used.Firefox for Android: A placeholder property named iterator is used.
javascript.builtins.String.codePointAt 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.endsWith 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.fromCodePoint 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.includes 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.raw 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.repeat 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.String.startsWith 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.builtins.Symbol 📋Chrome10/7/2014 Safari on iOS9/16/2015344
Edge: Edge 12 included Symbol properties in JSON.stringify() output.
javascript.builtins.Symbol.Symbol 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Symbol.for 📋Chrome1/21/2015 Safari on iOS9/16/2015238
javascript.builtins.Symbol.keyFor 📋Chrome1/21/2015 Safari on iOS9/16/2015238
javascript.builtins.Symbol.toString 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Symbol.unscopables 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.Symbol.valueOf 📋Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.WeakMap.WeakMap.iterable_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.WeakSet 📋Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.builtins.WeakSet.WeakSet 📋Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.builtins.WeakSet.WeakSet.iterable_allowed Chrome10/7/2014 Safari on iOS9/16/2015344
javascript.builtins.WeakSet.WeakSet.null_allowed Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.builtins.WeakSet.add 📋Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.builtins.WeakSet.delete 📋Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.builtins.WeakSet.has 📋Chrome7/16/2014 Safari on iOS9/16/2015427
javascript.functions.method_definitions 📋Chrome11/18/2014 Safari on iOS9/16/2015302
javascript.grammar.binary_numeric_literals 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.grammar.octal_numeric_literals 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.grammar.shorthand_object_literals Chrome5/19/2015 Safari on iOS9/16/2015120
javascript.grammar.template_literals 📋Chrome3/3/2015 Safari on iOS9/16/2015197
javascript.grammar.unicode_point_escapes 📋Chrome7/21/2015 Safari on iOS9/16/201557
api.CSSGroupingRule.cssRules 📋Safari on iOS7/11/2008 Chrome9/1/20152608
api.CSSGroupingRule.deleteRule 📋Safari on iOS7/11/2008 Chrome9/1/20152608
api.CSSGroupingRule.insertRule 📋Safari on iOS7/11/2008 Chrome9/1/20152608
api.SVGStyleElement.disabled 📋Safari on iOS9/10/2012 Chrome9/1/20151086
javascript.builtins.Array.fill 📋Safari on iOS9/17/2014 Chrome9/1/2015349
javascript.builtins.Array.find 📋Safari on iOS9/17/2014 Chrome9/1/2015349
javascript.builtins.Array.findIndex 📋Safari on iOS9/17/2014 Chrome9/1/2015349

2015/4

API First Browser Date Last Browser Date Days Notes
javascript.operators.class 📋Safari on iOS9/18/2013 Chrome4/14/2015573
javascript.operators.super 📋Safari on iOS9/18/2013 Chrome4/14/2015573

2015/3

API First Browser Date Last Browser Date Days Notes
api.SubtleCrypto.digest 📋Safari on iOS9/18/2013 Chrome3/3/2015531
Chrome: Before version 41, Chrome expected the algorithm parameter to be an object.Chrome Android: Before version 41, Chrome Android expected the algorithm parameter to be an object.Edge: Not supported: SHA-1.Internet Explorer: Returns CryptoOperation instead of PromiseOpera: Before version 28, Opera expected the algorithm parameter to be an object.Opera Android: Before version 28, Opera Android expected the algorithm parameter to be an object.Samsung Internet: Before version 4.0, Samsung Internet expected the algorithm parameter to be an object.WebView Android: Before version 41, WebView Android expected the algorithm parameter to be an object.

2014/11

API First Browser Date Last Browser Date Days Notes
api.Selection.collapse.node_parameter_nullable Safari on iOS6/29/2007 Chrome11/18/20142699

2014/10

API First Browser Date Last Browser Date Days Notes
api.EXT_shader_texture_lod 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Array.entries 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Array.keys 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.Map 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.clear 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.delete 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.entries 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.forEach 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.get 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.has 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.keys 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Map.set 📋Safari on iOS9/17/2014 Chrome10/7/201420
Internet Explorer: Returns 'undefined' instead of the 'Map' object.
javascript.builtins.Map.size 📋Safari on iOS9/17/2014 Chrome10/7/201420
Firefox: From Firefox 13 to Firefox 18, the size property was implemented as a Map.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification.Firefox for Android: From Firefox for Android 14 to Firefox for Android 18, the size property was implemented as a Map.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification.
javascript.builtins.Map.values 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.acosh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.asinh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.atanh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.cbrt 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.clz32 📋Safari on iOS9/18/2013 Chrome10/7/2014384
javascript.builtins.Math.cosh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.expm1 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.fround 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.hypot 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.log10 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.log1p 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.log2 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.sinh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.tanh 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Math.trunc 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.Set 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.add 📋Safari on iOS9/17/2014 Chrome10/7/201420
Internet Explorer: Returns 'undefined' instead of the 'Set' object.
javascript.builtins.Set.clear 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.delete 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.entries 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.forEach 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.has 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.keys 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.builtins.Set.size 📋Safari on iOS9/17/2014 Chrome10/7/201420
Firefox: From Firefox 13 to Firefox 18, the size property was implemented as a Set.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification.Firefox for Android: From Firefox for Android 14 to Firefox for Android 18, the size property was implemented as a Set.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification.
javascript.builtins.Set.values 📋Safari on iOS9/17/2014 Chrome10/7/201420
javascript.statements.for_of 📋Safari on iOS9/18/2013 Chrome10/7/2014384
Firefox: Before Firefox 51, using the for...of loop construct with the const keyword threw a SyntaxError ("missing = in const declaration").Firefox for Android: Before Firefox for Android 51, using the for...of loop construct with the const keyword threw a SyntaxError ("missing = in const declaration").

2014/9

API First Browser Date Last Browser Date Days Notes
api.ANGLE_instanced_arrays 📋Chrome1/14/2014 Safari on iOS9/17/2014246
Chrome: Available only on macOS.Opera: Available only on macOS.
api.ANGLE_instanced_arrays.drawArraysInstancedANGLE 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.ANGLE_instanced_arrays.drawElementsInstancedANGLE 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.ANGLE_instanced_arrays.vertexAttribDivisorANGLE 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.AudioTrack 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.AudioTrack.enabled 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.AudioTrack.id 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.AudioTrack.kind 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.AudioTrack.label 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.AudioTrack.language 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.BaseAudioContext.createPeriodicWave 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.CanvasRenderingContext2D.drawFocusIfNeeded 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.CanvasRenderingContext2D.drawFocusIfNeeded.path_parameter Chrome8/26/2014 Safari on iOS9/17/201422
api.Comment.Comment 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.Document.currentScript 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.DocumentFragment.DocumentFragment 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.Element.matches 📋Chrome2/20/2014 Safari on iOS9/17/2014209
Firefox: Before Firefox 4, invalid selector strings caused false to be returned instead of throwing an exception.Firefox: See bug 1119718 for removal.Firefox for Android: See bug 1119718 for removal.
api.ErrorEvent.colno 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.File.name 📋Chrome8/2/2011 Safari on iOS9/17/20141142
api.HTMLCanvasElement.getContext.webgl_context Chrome2/20/2014 Safari on iOS9/17/2014209
api.HTMLCanvasElement.webglcontextcreationerror_event 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.HTMLCanvasElement.webglcontextlost_event 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.HTMLCanvasElement.webglcontextrestored_event 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.HTMLImageElement.srcset 📋Chrome4/8/2014 Safari on iOS9/17/2014162
api.HTMLTemplateElement 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.HTMLTemplateElement.content 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.IDBCursor 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBCursor.advance 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.continue 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.delete 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.direction 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.key 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.primaryKey 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.source 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursor.update 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBCursorWithValue 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBCursorWithValue.value 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBDatabase.abort_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
Internet Explorer: Unknown limitations
api.IDBDatabase.close 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.createObjectStore 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.deleteObjectStore 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.name 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.objectStoreNames 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.transaction 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.version 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBDatabase.versionchange_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBFactory 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBFactory.cmp 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBFactory.deleteDatabase 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBIndex.count 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.get 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.getKey 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.keyPath 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.multiEntry 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.name 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.objectStore 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.openCursor 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.openKeyCursor 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBIndex.unique 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBKeyRange.bound_static 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.lower 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.lowerBound_static 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.lowerOpen 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.only_static 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.upper 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.upperBound_static 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBKeyRange.upperOpen 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBObjectStore.add 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.autoIncrement 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.clear 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.count 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.createIndex 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.delete 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.deleteIndex 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.get 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.index 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.indexNames 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.keyPath 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.name 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.openCursor 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.put 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBObjectStore.transaction 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBOpenDBRequest 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBOpenDBRequest.blocked_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBOpenDBRequest.upgradeneeded_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBRequest.error 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.error_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.readyState 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.result 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.source 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.success_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBRequest.transaction 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBTransaction.abort 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.abort_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.complete_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.db 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.error 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.error_event 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.mode 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBTransaction.objectStore 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBVersionChangeEvent 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.IDBVersionChangeEvent.newVersion 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.IDBVersionChangeEvent.oldVersion 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.ImageData.ImageData 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.KeyboardEvent.location 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.OES_element_index_uint 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OES_standard_derivatives 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.OES_texture_float 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.OES_texture_float_linear 📋Chrome8/20/2013 Safari on iOS9/17/2014393
Safari on iOS: Only supported on iPadOS.WebView on iOS: Only supported on iPadOS.
api.OES_texture_half_float 📋Chrome5/21/2013 Safari on iOS9/17/2014484
api.OES_texture_half_float_linear 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.OES_vertex_array_object 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OES_vertex_array_object.bindVertexArrayOES 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OES_vertex_array_object.createVertexArrayOES 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OES_vertex_array_object.deleteVertexArrayOES 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OES_vertex_array_object.isVertexArrayOES 📋Chrome1/10/2013 Safari on iOS9/17/2014615
api.OscillatorNode.setPeriodicWave 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.Path2D 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.Path2D 📋Chrome7/16/2014 Safari on iOS9/17/201463
Edge: Before Edge 79, the constructor for Path2D objects does not support invocation with a string consisting of SVG path data.
api.Path2D.arc 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.arcTo 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.bezierCurveTo 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.closePath 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.lineTo 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.moveTo 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.quadraticCurveTo 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Path2D.rect 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.PeriodicWave 📋Chrome10/1/2013 Safari on iOS9/17/2014351
api.Range.Range 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.SVGElement.tabIndex 📋Chrome7/16/2014 Safari on iOS9/17/201463
api.Text.Text 📋Chrome8/20/2013 Safari on iOS9/17/2014393
api.TextTrack.id 📋Chrome2/20/2014 Safari on iOS9/17/2014209
api.TextTrackList.getTrackById 📋Chrome2/20/2014 Safari on iOS9/17/2014209
api.VTTCue 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.VTTCue 📋Chrome2/20/2014 Safari on iOS9/17/2014209
api.VTTCue.align 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.getCueAsHTML 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.line 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.position 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.size 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.snapToLines 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.text 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.VTTCue.vertical 📋Chrome11/6/2012 Safari on iOS9/17/2014680
api.WEBGL_depth_texture 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.WEBGL_lose_context 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.WEBGL_lose_context.loseContext 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.WEBGL_lose_context.restoreContext 📋Chrome3/26/2013 Safari on iOS9/17/2014540
api.WebGLActiveInfo 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLActiveInfo.name 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLActiveInfo.size 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLActiveInfo.type 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLBuffer 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLContextEvent 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLContextEvent.WebGLContextEvent 📋Chrome2/8/2012 Safari on iOS9/17/2014952
api.WebGLContextEvent.statusMessage 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLFramebuffer 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLProgram 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLRenderbuffer 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLRenderingContext 📋Chrome2/3/2011 Safari on iOS9/17/20141322
Edge: To access the WebGL context, use experimental-webgl rather than the standard webgl identifier.Internet Explorer: To access the WebGL context, use experimental-webgl rather than the standard webgl identifier.
api.WebGLRenderingContext.activeTexture 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.attachShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bindAttribLocation 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bindBuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bindFramebuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bindRenderbuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bindTexture 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.blendColor 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.blendEquation 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.blendEquationSeparate 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.blendFunc 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.blendFuncSeparate 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bufferData 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.bufferSubData 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.canvas 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.checkFramebufferStatus 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.clear 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.clearColor 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.clearDepth 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.clearStencil 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.colorMask 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.compileShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.compressedTexImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.compressedTexSubImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.copyTexImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.copyTexSubImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createBuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createFramebuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createRenderbuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.createTexture 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.cullFace 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteBuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteFramebuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteRenderbuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.deleteTexture 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.depthFunc 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.depthMask 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.depthRange 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.detachShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.disable 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.disableVertexAttribArray 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.drawArrays 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.drawElements 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.drawingBufferHeight 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.drawingBufferWidth 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.enable 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.enableVertexAttribArray 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.finish 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.flush 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.framebufferRenderbuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.framebufferTexture2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.frontFace 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.generateMipmap 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getActiveAttrib 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getActiveUniform 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getAttachedShaders 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getAttribLocation 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getBufferParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getContextAttributes 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getError 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getExtension 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getFramebufferAttachmentParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getProgramInfoLog 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getProgramParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getRenderbufferParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getShaderInfoLog 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getShaderParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getShaderPrecisionFormat 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getShaderSource 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getSupportedExtensions 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getTexParameter 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getUniform 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getUniformLocation 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getVertexAttrib 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.getVertexAttribOffset 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.hint 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isBuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isContextLost 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isEnabled 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isFramebuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isRenderbuffer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isShader 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.isTexture 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.lineWidth 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.linkProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.pixelStorei 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.polygonOffset 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.readPixels 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.renderbufferStorage 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.sampleCoverage 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.scissor 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.shaderSource 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilFunc 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilFuncSeparate 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilMask 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilMaskSeparate 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilOp 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.stencilOpSeparate 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.texImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
Firefox for Android: Textures from video elements are not supported. See bug 1884282.
api.WebGLRenderingContext.texParameterf 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.texParameteri 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.texSubImage2D 📋Chrome2/3/2011 Safari on iOS9/17/20141322
Firefox for Android: Textures from video elements are not supported. See bug 1884282.
api.WebGLRenderingContext.uniform1f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform1fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform1i 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform1iv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform2f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform2fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform2i 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform2iv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform3f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform3fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform3i 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform3iv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform4f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform4fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform4i 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniform4iv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniformMatrix2fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniformMatrix3fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.uniformMatrix4fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.useProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.validateProgram 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib1f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib1fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib2f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib2fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib3f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib3fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib4f 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttrib4fv 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.vertexAttribPointer 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLRenderingContext.viewport 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLShader 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLShaderPrecisionFormat 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLShaderPrecisionFormat.precision 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLShaderPrecisionFormat.rangeMax 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLShaderPrecisionFormat.rangeMin 📋Chrome2/3/2011 Safari on iOS9/17/20141322
api.WebGLTexture 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WebGLUniformLocation 📋Chrome3/8/2011 Safari on iOS9/17/20141289
api.WheelEvent.deltaX 📋Chrome11/12/2013 Safari on iOS9/17/2014309
Internet Explorer: IE9 supports an old draft of the spec where this value was a long instead of a double.
api.WheelEvent.deltaY 📋Chrome11/12/2013 Safari on iOS9/17/2014309
Internet Explorer: IE9 supports an old draft of the spec where this value was a long instead of a double.
api.WheelEvent.deltaZ 📋Chrome11/12/2013 Safari on iOS9/17/2014309
Internet Explorer: IE9 supports an old draft of the spec where this value was a long instead of a double.
api.XMLHttpRequest.responseURL 📋Chrome8/26/2014 Safari on iOS9/17/201422
api.indexedDB 📋Chrome1/10/2013 Safari on iOS9/17/2014615
javascript.builtins.Promise 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.Promise 📋Chrome1/14/2014 Safari on iOS9/17/2014246
Firefox: Constructor requires a new operator since version 37.Firefox for Android: Constructor requires a new operator since version 37.Node.js: Constructor requires a new operator since version 4.Safari: Constructor requires a new operator since version 10.Safari on iOS: Constructor requires a new operator since version 10.WebView on iOS: Constructor requires a new operator since version 10.
javascript.builtins.Promise.all 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.catch 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.race 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.reject 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.resolve 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.Promise.then 📋Chrome1/14/2014 Safari on iOS9/17/2014246
javascript.builtins.WeakMap 📋Chrome7/16/2014 Safari on iOS9/17/201463
javascript.builtins.WeakMap.WeakMap 📋Chrome7/16/2014 Safari on iOS9/17/201463
javascript.builtins.WeakMap.WeakMap.null_allowed Chrome7/16/2014 Safari on iOS9/17/201463
javascript.builtins.WeakMap.delete 📋Chrome7/16/2014 Safari on iOS9/17/201463
Firefox: Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.Firefox for Android: Before Firefox for Android 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.
javascript.builtins.WeakMap.get 📋Chrome7/16/2014 Safari on iOS9/17/201463
Firefox: Before Firefox 38, this method threw a TypeError when the key parameter was not an object. However, the ES2015 specification specifies to return undefined instead. Furthermore, WeakMap.prototype.get accepted an optional second argument as a fallback value, which is not part of the standard. Both non-standard behaviors are removed in version 38 and higher.Firefox for Android: Before Firefox for Android 38, this method threw a TypeError when the key parameter was not an object. However, the ES2015 specification specifies to return undefined instead. Furthermore, WeakMap.prototype.get accepted an optional second argument as a fallback value, which is not part of the standard. Both non-standard behaviors are removed in version 38 and higher.
javascript.builtins.WeakMap.has 📋Chrome7/16/2014 Safari on iOS9/17/201463
Firefox: Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.Firefox for Android: Before Firefox for Android 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.
javascript.builtins.WeakMap.set 📋Chrome7/16/2014 Safari on iOS9/17/201463
Firefox: Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.Firefox for Android: Before Firefox for Android 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard.Internet Explorer: Returns 'undefined' instead of the 'Map' object.

2014/8

API First Browser Date Last Browser Date Days Notes
api.AudioTrackList 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.AudioTrackList.addtrack_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.AudioTrackList.change_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.AudioTrackList.getTrackById 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.AudioTrackList.length 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.AudioTrackList.removetrack_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.CryptoKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Node.js: Available as a part of the crypto module.
api.CryptoKey.algorithm 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.CryptoKey.extractable 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: The only supported value for this property is true.
api.CryptoKey.type 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.CryptoKey.usages 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.HTMLMediaElement.audioTracks 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.HTMLMediaElement.videoTracks 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.SubtleCrypto.decrypt 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: AES-CTR, AES-GCM.Deno: Not supported: AES-CTR, AES-CBC, AES-GCM.Edge: Not supported: AES-CTR.Internet Explorer: Returns CryptoOperation instead of Promise
api.SubtleCrypto.encrypt 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: AES-CTR, AES-GCM.Deno: Not supported: AES-CTR, AES-CBC, AES-GCM.Edge: Not supported: AES-CTR.Internet Explorer: Returns CryptoOperation instead of Promise
api.SubtleCrypto.exportKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: ECDSA, ECDH.Deno: Not supported: ECDSA, ECDH, AES-CTR, AES-CBC, AES-GCM, AES-KW.Edge: Not supported: RSA-PSS, ECDSA, ECDH.Edge: Not supported: AES-CTR.Internet Explorer: Returns KeyOperation instead of PromiseNode.js: Supports: NODE-DSANode.js: Supports: NODE-DHNode.js: Supports: NODE-SCRYPT
api.SubtleCrypto.generateKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: ECDSA P-521, ECDH P-521.Deno: Not supported: RSA-OAEP, ECDSA P-521, ECDH, AES-CTR, AES-CBC, AES-GCM, AES-KW.Edge: Not supported: RSA-PSS, ECDSA, ECDH.Edge: Not supported: AES-CTR.Internet Explorer: Returns KeyOperation instead of PromiseNode.js: Supports: NODE-DSANode.js: Supports: NODE-DH
api.SubtleCrypto.importKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: ECDH P-521.Deno: Not supported: ECDH.Deno: Not supported: AES-CTR, AES-CBC, AES-GCM, AES-KW.Edge: Not supported: RSA-PSS, ECDSA, ECDH.Edge: Not supported: AES-CTR, HKDF, PBKDF2.Internet Explorer: Returns KeyOperation instead of PromiseNode.js: Supports: NODE-DSANode.js: Supports: NODE-DHNode.js: Supports: NODE-SCRYPT
api.SubtleCrypto.importKey.ECDH 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: P-384 supported. Not supported: P-256, P-521.
api.SubtleCrypto.importKey.ECDSA 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: P-384 supported. Not supported: P-256, P-521.
api.SubtleCrypto.sign 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Edge: Not supported: RSA-PSS, ECDSA.Internet Explorer: Returns CryptoOperation instead of PromiseNode.js: Supports: NODE-DSA
api.SubtleCrypto.unwrapKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Edge: Not supported: AES-CTR.Internet Explorer: Returns KeyOperation instead of PromiseNode.js: Supports: NODE-DSANode.js: Supports: NODE-DH
api.SubtleCrypto.verify 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Deno: Not supported: ECDSA, HMAC.Edge: Not supported: RSA-PSS, ECDSA.Internet Explorer: Returns CryptoOperation instead of PromiseNode.js: Supports: NODE-DSA
api.SubtleCrypto.wrapKey 📋Safari on iOS9/18/2013 Chrome8/26/2014342
Edge: Not supported: AES-CTR.Internet Explorer: Returns KeyOperation instead of Promise
api.VideoTrack 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrack.id 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrack.kind 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrack.label 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrack.language 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrack.selected 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.addtrack_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.change_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.getTrackById 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.length 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.removetrack_event 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.VideoTrackList.selectedIndex 📋Safari on iOS9/18/2013 Chrome8/26/2014342
api.crypto 📋Safari on iOS10/12/2011 Chrome8/26/20141049
Node.js: Available as a part of the crypto module.

2014/7

API First Browser Date Last Browser Date Days Notes
api.CanvasRenderingContext2D.clip.path_parameter Safari on iOS9/18/2013 Chrome7/16/2014301
api.CanvasRenderingContext2D.fill.path_parameter Safari on iOS9/18/2013 Chrome7/16/2014301
api.CanvasRenderingContext2D.isPointInPath.path_parameter Safari on iOS9/18/2013 Chrome7/16/2014301
api.CanvasRenderingContext2D.isPointInStroke.path_parameter Safari on iOS9/18/2013 Chrome7/16/2014301
api.CanvasRenderingContext2D.stroke.path_parameter Safari on iOS9/18/2013 Chrome7/16/2014301
api.ImageData.worker_support Safari on iOS9/18/2013 Chrome7/16/2014301

2014/4

API First Browser Date Last Browser Date Days Notes
api.Document.hasFocus 📋Safari on iOS9/18/2013 Chrome4/8/2014202
Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.

2014/2

API First Browser Date Last Browser Date Days Notes
api.Document.hidden 📋Safari on iOS9/18/2013 Chrome2/20/2014155
Firefox: Since Firefox 56 it also returns true on macOS when the window is completely hidden by another non-translucent application.Firefox for Android: Since Firefox for Android 56 it also returns true on macOS when the window is completely hidden by another non-translucent application.
api.Document.visibilityState 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.cancel 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.getVoices 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.pause 📋Safari on iOS9/18/2013 Chrome2/20/2014155
Chrome Android: In Android, pause() ends the current utterance. pause() behaves the same as cancel().Firefox for Android: In Android, pause() ends the current utterance. pause() behaves the same as cancel().Quest Browser: In Android, pause() ends the current utterance. pause() behaves the same as cancel().Samsung Internet: In Android, pause() ends the current utterance. pause() behaves the same as cancel().
api.SpeechSynthesis.paused 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.pending 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.resume 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.speak 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesis.speaking 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisErrorEvent 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisErrorEvent.error 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisEvent 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisEvent.charIndex 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisEvent.elapsedTime 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisEvent.name 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.SpeechSynthesisUtterance 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.boundary_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
Chrome: The boundary event does not fire as expected. See bug 40715888.Chrome Android: The boundary event does not fire as expected. See bug 40715888.Quest Browser: The boundary event does not fire as expected. See bug 40715888.
api.SpeechSynthesisUtterance.end_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.error_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.lang 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.mark_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.pause_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.pitch 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.rate 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.resume_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.start_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.text 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.voice 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisUtterance.volume 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisVoice 📋Safari on iOS9/18/2013 Chrome2/20/2014155
Firefox: In Firefox, speech synthesis voices do not start loading until after the first call to window.speechSynthesis.getVoices(). A way to mitigate this issue is to call the method at the beginning of page load, then wait a few seconds before calling the method again. Voices will remain loaded until all tabs that have called this method have been closed.
api.SpeechSynthesisVoice.default 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisVoice.lang 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisVoice.localService 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisVoice.name 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.SpeechSynthesisVoice.voiceURI 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.TextTrackList.change_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.TextTrackList.removetrack_event 📋Safari on iOS9/18/2013 Chrome2/20/2014155
api.Window.speechSynthesis 📋Safari on iOS9/18/2013 Chrome2/20/2014155

2014/1

API First Browser Date Last Browser Date Days Notes
api.URL 📋Safari on iOS9/18/2013 Chrome1/14/2014118
Firefox: Before version 57, Firefox had a bug whereby single quotes contained in URLs are escaped when accessed via URL APIs (see bug 1386683).Firefox for Android: Before version 57, Firefox for Android had a bug whereby single quotes contained in URLs are escaped when accessed via URL APIs (see bug 1386683).Node.js: Available as a part of the url module.
api.URL.hash 📋Safari on iOS9/18/2013 Chrome1/14/2014118
api.URL.host 📋Safari on iOS9/18/2013 Chrome1/14/2014118
javascript.builtins.ArrayBuffer.isView 📋Safari on iOS9/18/2013 Chrome1/14/2014118

2013/11

API First Browser Date Last Browser Date Days Notes
api.DataTransferItemList.remove 📋Safari on iOS9/10/2012 Chrome11/12/2013428
api.DeviceMotionEvent 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEvent.acceleration 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEvent.accelerationIncludingGravity 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEvent.interval 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEvent.rotationRate 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventAcceleration 📋Safari on iOS11/22/2010 Chrome11/12/20131086
Firefox: The DeviceMotionEventAcceleration interface is supported, but not exposed on the Window scope.Firefox for Android: The DeviceMotionEventAcceleration interface is supported, but not exposed on the Window scope.Safari on iOS: The DeviceMotionEventAcceleration interface is supported, but not exposed on the Window scope.
api.DeviceMotionEventAcceleration.x 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventAcceleration.y 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventAcceleration.z 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventRotationRate 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventRotationRate.alpha 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventRotationRate.beta 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.DeviceMotionEventRotationRate.gamma 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.Window.devicemotion_event 📋Safari on iOS11/22/2010 Chrome11/12/20131086
api.XMLHttpRequest.responseType 📋Safari on iOS10/12/2011 Chrome11/12/2013762
api.XMLHttpRequest.responseType.arraybuffer_value Safari on iOS10/12/2011 Chrome11/12/2013762
api.XMLHttpRequest.responseType.blob_value Safari on iOS10/12/2011 Chrome11/12/2013762
api.XMLHttpRequest.responseType.document_value Safari on iOS9/18/2013 Chrome11/12/201355
api.XMLHttpRequest.responseType.json_value Safari on iOS9/18/2013 Chrome11/12/201355
api.console.worker_support Safari on iOS9/18/2013 Chrome11/12/201355

2013/10

API First Browser Date Last Browser Date Days Notes
api.AudioScheduledSourceNode.ended_event 📋Safari on iOS9/18/2013 Chrome10/1/201313
api.BeforeUnloadEvent 📋Safari on iOS9/18/2013 Chrome10/1/201313
api.Element.mouseenter_event 📋Safari on iOS9/18/2013 Chrome10/1/201313
api.Element.mouseleave_event 📋Safari on iOS9/18/2013 Chrome10/1/201313
api.SVGGraphicsElement 📋Safari on iOS9/18/2013 Chrome10/1/201313
Chrome: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Chrome Android: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Firefox: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Firefox for Android: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Internet Explorer: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Opera: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Opera Android: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Safari: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Safari on iOS: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.Samsung Internet: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.WebView Android: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.WebView on iOS: The SVGGraphicsElement interface itself is not present, but some of its members are available on interfaces that inherit from SVGGraphicsElement.

2013/9

API First Browser Date Last Browser Date Days Notes
api.AudioBufferSourceNode.loopEnd 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.AudioBufferSourceNode.loopStart 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.AudioBufferSourceNode.start 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.AudioNode.channelCount 📋Chrome5/21/2013 Safari on iOS9/18/2013120
api.AudioNode.channelCountMode 📋Chrome5/21/2013 Safari on iOS9/18/2013120
api.AudioNode.channelInterpretation 📋Chrome5/21/2013 Safari on iOS9/18/2013120
api.AudioScheduledSourceNode.start 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.AudioScheduledSourceNode.stop 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.BaseAudioContext.createDelay 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.BaseAudioContext.createGain 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.BaseAudioContext.createScriptProcessor 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.BiquadFilterNode.detune 📋Chrome2/21/2013 Safari on iOS9/18/2013209
api.Blob.slice 📋Chrome7/31/2012 Safari on iOS9/18/2013414
Firefox: Before Firefox 12, there was a bug that affected the behavior of Blob.slice(); it did not work for start and end positions outside the range of signed 64-bit values; it has now been fixed to support unsigned 64-bit values.Firefox for Android: Before Firefox for Android 14, there was a bug that affected the behavior of Blob.slice(); it did not work for start and end positions outside the range of signed 64-bit values; it has now been fixed to support unsigned 64-bit values.
api.CanvasRenderingContext2D.getLineDash 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.CanvasRenderingContext2D.isPointInStroke 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.CanvasRenderingContext2D.lineDashOffset 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.CanvasRenderingContext2D.setLineDash 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.CharacterData.remove 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.CompositionEvent.CompositionEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.DOMTokenList.add.multiple_parameters Chrome1/10/2013 Safari on iOS9/18/2013251
api.DOMTokenList.remove.multiple_parameters Chrome1/10/2013 Safari on iOS9/18/2013251
api.DOMTokenList.toggle.force_parameter Chrome1/10/2013 Safari on iOS9/18/2013251
api.DelayNode 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.DelayNode.delayTime 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.Document.activeElement 📋Chrome5/21/2009 Safari on iOS9/18/20131581
Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.DocumentType.remove 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.Element.classList 📋Chrome9/25/2012 Safari on iOS9/18/2013358
Chrome: Not supported for SVG elements.Chrome Android: Not supported for SVG elements.Edge: Not supported for SVG elements.Internet Explorer: Not supported for SVG elements.Safari: Not supported for SVG elements.Safari on iOS: Not supported for SVG elements.Samsung Internet: Not supported for SVG elements.WebView Android: Not supported for SVG elements.WebView on iOS: Not supported for SVG elements.
api.Element.remove 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.Element.transitionend_event 📋Chrome3/26/2013 Safari on iOS9/18/2013176
Edge: The ontransitionend event handler property is not supported. To listen to this event, use element.addEventListener('transitionend', function() {});.Internet Explorer: The ontransitionend event handler property is not supported. To listen to this event, use element.addEventListener('transitionend', function() {});.
api.EventSource.EventSource.options_withCredentials_parameter Chrome3/26/2013 Safari on iOS9/18/2013176
api.EventSource.withCredentials 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.FocusEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.FocusEvent.FocusEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.FocusEvent.relatedTarget 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.GainNode 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.GainNode.gain 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.HTMLFieldSetElement.elements 📋Chrome7/31/2012 Safari on iOS9/18/2013414
api.HTMLInputElement.height 📋Chrome7/31/2012 Safari on iOS9/18/2013414
api.HTMLInputElement.setRangeText 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.HTMLInputElement.width 📋Chrome7/31/2012 Safari on iOS9/18/2013414
api.HTMLTextAreaElement.setRangeText 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.KeyboardEvent.KeyboardEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.MouseEvent.MouseEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.MutationObserver 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.MutationObserver.MutationObserver 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.MutationRecord 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.addedNodes 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.attributeName 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.attributeNamespace 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.nextSibling 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.oldValue 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.previousSibling 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.removedNodes 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.target 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.MutationRecord.type 📋Chrome12/13/2011 Safari on iOS9/18/2013645
api.OfflineAudioContext.complete_event 📋Chrome2/21/2013 Safari on iOS9/18/2013209
api.OfflineAudioContext.startRendering 📋Chrome2/21/2013 Safari on iOS9/18/2013209
api.RadioNodeList 📋Chrome7/31/2012 Safari on iOS9/18/2013414
api.RadioNodeList.value 📋Chrome7/31/2012 Safari on iOS9/18/2013414
api.SVGRadialGradientElement.fr 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.ScriptProcessorNode Chrome1/10/2013 Safari on iOS9/18/2013251
api.ScriptProcessorNode.audioprocess_event Chrome1/10/2013 Safari on iOS9/18/2013251
api.ScriptProcessorNode.bufferSize 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.TextTrack 📋Chrome11/6/2012 Safari on iOS9/18/2013316
Firefox: Firefox versions before Firefox 50 didn't display captions when playing media without one or more video tracks being played.
api.TextTrack.activeCues 📋Chrome11/6/2012 Safari on iOS9/18/2013316
Firefox: Starting in Firefox 69, cues are no longer incorrectly loaded when the TextTrack's mode is disabled; if that's the case, the returned list is empty.
api.TextTrack.addCue 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrack.cuechange_event 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrack.cues 📋Chrome11/6/2012 Safari on iOS9/18/2013316
Firefox: Starting in Firefox 69, cues are no longer incorrectly loaded when the TextTrack's mode is disabled; if that's the case, the returned list is empty.
api.TextTrack.kind 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrack.label 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrack.language 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrack.mode 📋Chrome11/6/2012 Safari on iOS9/18/2013316
Firefox: Before Firefox 52, using JavaScript to change the mode of a text track that's part of a media element would send one change event to the element's textTracks TextTrackList for each change, even if multiple changes are made in a single pass through the Firefox event loop. Starting in Firefox 52, these changes are reflected by a single event.
api.TextTrack.removeCue 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.endTime 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.enter_event 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.exit_event 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.id 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.pauseOnExit 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.startTime 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackCue.track 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackList 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackList.addtrack_event 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TextTrackList.length 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TrackEvent 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TrackEvent.TrackEvent 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TrackEvent.track 📋Chrome11/6/2012 Safari on iOS9/18/2013316
api.TransitionEvent 📋Chrome5/21/2013 Safari on iOS9/18/2013120
api.TransitionEvent.TransitionEvent 📋Chrome5/21/2013 Safari on iOS9/18/2013120
api.UIEvent.UIEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.URL.toString 📋Chrome5/15/2012 Safari on iOS9/18/2013491
api.ValidityState.badInput 📋Chrome2/21/2013 Safari on iOS9/18/2013209
api.WheelEvent.WheelEvent 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.WheelEvent.deltaMode 📋Chrome3/26/2013 Safari on iOS9/18/2013176
api.Window.cancelAnimationFrame 📋Chrome1/10/2013 Safari on iOS9/18/2013251
api.Window.requestAnimationFrame 📋Chrome1/10/2013 Safari on iOS9/18/2013251
Edge: Before version 17, Edge does not reliably fire requestAnimationFrame before the paint cycle.Firefox: Callback parameter is a DOMHighResTimestamp. This means ten microsecond precision and zero time as performance.now().Firefox: Callback parameter is a DOMTimestamp. This means millisecond precision and zero time as Date.now().Firefox: Could be called with no input parameters.Internet Explorer: Internet Explorer does not reliably fire requestAnimationFrame before the paint cycle.
api.XMLHttpRequest.send.body_ArrayBufferView_type Chrome9/25/2012 Safari on iOS9/18/2013358
api.XMLHttpRequest.timeout 📋Chrome8/20/2013 Safari on iOS9/18/201329
api.XMLHttpRequest.timeout_event 📋Chrome8/20/2013 Safari on iOS9/18/201329
api.XMLHttpRequestUpload.timeout_event 📋Chrome8/20/2013 Safari on iOS9/18/201329
api.console.clear_static 📋Chrome2/21/2013 Safari on iOS9/18/2013209
api.console.table_static 📋Chrome5/21/2013 Safari on iOS9/18/2013120
javascript.builtins.Array.toLocaleString.locales_parameter Chrome1/10/2013 Safari on iOS9/18/2013251
Deno: Only the locale data for en-US is available.Node.js: Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available before version 13, see Node.js documentation on the --with-intl option and how to provide the data.
javascript.builtins.Array.toLocaleString.options_parameter Chrome1/10/2013 Safari on iOS9/18/2013251
javascript.builtins.Date.toLocaleDateString.iana_time_zone_names Chrome1/10/2013 Safari on iOS9/18/2013251
javascript.builtins.Date.toLocaleString.iana_time_zone_names Chrome1/10/2013 Safari on iOS9/18/2013251
javascript.builtins.Date.toLocaleTimeString.iana_time_zone_names Chrome1/10/2013 Safari on iOS9/18/2013251
javascript.builtins.Math.imul 📋Chrome7/9/2013 Safari on iOS9/18/201371

2013/8

API First Browser Date Last Browser Date Days Notes
api.WaveShaperNode.oversample 📋Safari on iOS9/10/2012 Chrome8/20/2013344

2013/1

API First Browser Date Last Browser Date Days Notes
api.AudioParam.setTargetAtTime 📋Safari on iOS9/10/2012 Chrome1/10/2013122

2012/11

API First Browser Date Last Browser Date Days Notes
api.Element.id 📋Safari on iOS6/29/2007 Chrome11/6/20121957
Chrome: Only supported for HTMLElement, not all Element objects, such as SVGElement.Chrome Android: Only supported for HTMLElement, not all Element objects, such as SVGElement.Samsung Internet: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.HTMLMediaElement.addTextTrack 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLMediaElement.textTracks 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement 📋Safari on iOS9/10/2012 Chrome11/6/201257
Firefox: Before Firefox 50, text tracks would only load if the <track> element is in a document.Firefox for Android: Before Firefox for Android 50, text tracks would only load if the <track> element is in a document.
api.HTMLTrackElement.default 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement.kind 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement.label 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement.readyState 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement.src 📋Safari on iOS9/10/2012 Chrome11/6/201257
Firefox: Before Firefox 50, setting the src property did not work properly.Firefox for Android: Before Firefox for Android 50, setting the src property did not work properly.
api.HTMLTrackElement.srclang 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.HTMLTrackElement.track 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.TextTrackCueList 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.TextTrackCueList.getCueById 📋Safari on iOS9/10/2012 Chrome11/6/201257
api.TextTrackCueList.length 📋Safari on iOS9/10/2012 Chrome11/6/201257
javascript.builtins.parseInt.leading_zero_strings_as_decimal Safari on iOS9/10/2012 Chrome11/6/201257

2012/9

API First Browser Date Last Browser Date Days Notes
api.Element.className 📋Safari on iOS6/29/2007 Chrome9/25/20121915
Chrome: Only supported for HTMLElement, not all Element objects, such as SVGElement.Chrome Android: Only supported for HTMLElement, not all Element objects, such as SVGElement.Samsung Internet: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.Element.touchcancel_event 📋Safari on iOS6/17/2009 Chrome9/25/20121196
api.Element.touchend_event 📋Safari on iOS6/17/2009 Chrome9/25/20121196
api.Element.touchmove_event 📋Safari on iOS6/17/2009 Chrome9/25/20121196
api.Element.touchstart_event 📋Safari on iOS6/17/2009 Chrome9/25/20121196
api.Touch 📋Safari on iOS6/17/2009 Chrome9/25/20121196
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.altKey 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.changedTouches 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.ctrlKey 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.metaKey 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.shiftKey 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.targetTouches 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchEvent.touches 📋Safari on iOS4/3/2010 Chrome9/25/2012906
Firefox: Removed in bug 888304 due to web compatibility issues.
api.XMLHttpRequest.send.body_Blob_type Safari on iOS9/10/2012 Chrome9/25/201215
api.AnalyserNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.fftSize 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.frequencyBinCount 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.getByteFrequencyData 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.getByteTimeDomainData 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.getFloatFrequencyData 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.maxDecibels 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.minDecibels 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AnalyserNode.smoothingTimeConstant 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer.duration 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer.getChannelData 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer.length 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer.numberOfChannels 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBuffer.sampleRate 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBufferSourceNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioBufferSourceNode.buffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
Firefox: Firefox currently handles the value null incorrectly. Instead of producing a node that generates a single channel of silence, the node becomes unusable and will be ignored if you attempt to connect it to anything.Firefox for Android: Firefox for Android currently handles the value null incorrectly. Instead of producing a node that generates a single channel of silence, the node becomes unusable and will be ignored if you attempt to connect it to anything.
api.AudioBufferSourceNode.loop 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.AudioBufferSourceNode.playbackRate 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioContext.createMediaElementSource 📋Chrome10/25/2011 Safari on iOS9/10/2012321
Firefox: If a sample rate is specified for the audio context, it must match the sample rate of the stream, otherwise this method will fail.Firefox for Android: If a sample rate is specified for the audio context, it must match the sample rate of the stream, otherwise this method will fail.
api.AudioDestinationNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioListener 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioListener.setOrientation 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioListener.setPosition 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode.connect 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode.context 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode.disconnect 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode.numberOfInputs 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioNode.numberOfOutputs 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam.cancelScheduledValues 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam.defaultValue 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam.exponentialRampToValueAtTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
Chrome Android: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.Firefox: Sometimes jumps to value immediately. See bug 2011524.Firefox for Android: Sometimes jumps to value immediately. See bug 2011524.Quest Browser: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.WebView Android: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.
api.AudioParam.linearRampToValueAtTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
Chrome Android: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.Firefox: Sometimes jumps to value immediately. See bug 2011524.Firefox for Android: Sometimes jumps to value immediately. See bug 2011524.Quest Browser: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.WebView Android: Behaves like setValueAtTime(): Sets the target volume at the specified time, but doesn't ramp to it.
api.AudioParam.setValueAtTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam.setValueCurveAtTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioParam.value 📋Chrome9/16/2011 Safari on iOS9/10/2012360
Chrome: Before version 66, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).Chrome Android: Before version 66, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).Firefox: Before Firefox 134, setting value was ignored when done at the same time as scheduled automation events.Firefox: Before Firefox 69, value did not take into account scheduled or gradiated changes to the parameter's value; instead, only explicitly set values were returned.Firefox for Android: Firefox for Android does not currently take into account scheduled or gradiated changes to the parameter's value; only the initial value or the most recent explicitly set value is returned.Quest Browser: Before version 5.0, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).Opera: Before version 53, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).Opera Android: Before version 47, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).Samsung Internet: Before version 9.0, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).WebView Android: Before version 66, the gain value of a GainNode would perform a smooth interpolation to prevent dezippering (instead of changing instantly).
api.AudioProcessingEvent Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioProcessingEvent.inputBuffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioProcessingEvent.outputBuffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.AudioProcessingEvent.playbackTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createAnalyser 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createBiquadFilter 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createBuffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createBufferSource 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createChannelMerger 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createChannelSplitter 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createConvolver 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createDynamicsCompressor 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createOscillator 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.BaseAudioContext.createPanner 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.createWaveShaper 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.BaseAudioContext.currentTime 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.decodeAudioData 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.destination 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.listener 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BaseAudioContext.sampleRate 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BiquadFilterNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BiquadFilterNode.Q 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BiquadFilterNode.frequency 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BiquadFilterNode.gain 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.BiquadFilterNode.getFrequencyResponse 📋Chrome2/8/2012 Safari on iOS9/10/2012215
api.BiquadFilterNode.type 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.Blob 📋Chrome5/25/2010 Safari on iOS9/10/2012839
Node.js: Available as a part of the buffer module.Node.js: Available as a part of the buffer module.
api.Blob.Blob 📋Chrome6/26/2012 Safari on iOS9/10/201276
Firefox: Before Firefox 16, the second parameter, when set to null or undefined, leads to an error instead of being handled as an empty dictionary.Firefox for Android: Before Firefox for Android 16, the second parameter, when set to null or undefined, leads to an error instead of being handled as an empty dictionary.Internet Explorer: IE10 throws InvalidStateError with a TypedArray argument. Consider using MSBuilder as an alternative.Node.js: Before v16.7.0, the endings option was not supported.
api.Blob.size 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.Blob.type 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.CSSStyleDeclaration.item 📋Chrome12/11/2008 Safari on iOS9/10/20121369
api.CSSStyleDeclaration.length 📋Chrome12/11/2008 Safari on iOS9/10/20121369
api.CSSStyleDeclaration.setProperty 📋Chrome12/11/2008 Safari on iOS9/10/20121369
api.ChannelMergerNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.ChannelSplitterNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
Chrome: Starting in Chrome 56, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.Chrome Android: Starting in Chrome Android 56, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.Quest Browser: Starting in Quest Browser 5.0, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.Opera: Starting in Opera 43, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.Opera Android: Starting in Opera Android 43, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.Samsung Internet: Starting in Samsung Internet 6.0, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.WebView Android: Starting in version 56, channelCountMode is set to explicit and channelCount is fixed to the number of outputs, as per the latest spec.
api.CloseEvent 📋Chrome10/25/2011 Safari on iOS9/10/2012321
Firefox: Before Firefox 12, the close code CLOSE_NORMAL was used when the channel was closed due to an unexpected error or unspecified error condition.Firefox: Before Firefox 8, the WebSocket close event was sent to the listener as a simple event.
api.CloseEvent.CloseEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.CloseEvent.code 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.CloseEvent.reason 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.CloseEvent.wasClean 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.ConvolverNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.ConvolverNode.buffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.ConvolverNode.normalize 📋Chrome3/28/2012 Safari on iOS9/10/2012166
api.CustomEvent.CustomEvent 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.DataTransferItemList 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.DataTransferItemList.add 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.DataTransferItemList.clear 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.DataTransferItemList.length 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.DynamicsCompressorNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.DynamicsCompressorNode.attack 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.DynamicsCompressorNode.knee 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.DynamicsCompressorNode.ratio 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.DynamicsCompressorNode.reduction 📋Chrome5/15/2012 Safari on iOS9/10/2012118
Chrome: Before version 52, this was an AudioParam..Chrome Android: Before version 52, this was an AudioParam..Quest Browser: Before version 5.0, this was an AudioParam..Samsung Internet: Before Samsung Internet 6.0, this was an AudioParam..WebView Android: Before version 52, this was an AudioParam..
api.DynamicsCompressorNode.release 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.DynamicsCompressorNode.threshold 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.ErrorEvent 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.ErrorEvent.ErrorEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.ErrorEvent.filename 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.ErrorEvent.lineno 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.ErrorEvent.message 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.Event.Event 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.EventSource.url 📋Chrome3/28/2012 Safari on iOS9/10/2012166
api.FileReader 📋Chrome9/2/2010 Safari on iOS9/10/2012739
Firefox: Before Firefox 4, Blob parameters were File parameters.
api.FileReader.FileReader 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.abort 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.abort_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.error 📋Chrome9/2/2010 Safari on iOS9/10/2012739
Firefox: Before Firefox 13, the error property returned a FileError object.Firefox: From Firefox 13 to Firefox 58, the error property returned a DOMError object.Firefox: From Firefox 58, the error property returns a DOMException object.Firefox for Android: From Firefox 32 to Firefox 58, the error property returned a DOMError object.Firefox for Android: From Firefox 58, the error property returns a DOMException object.Internet Explorer: The error property returns a DOMError object.Safari: The error property returns a DOMError object.Safari on iOS: The error property returns a DOMError object.WebView on iOS: The error property returns a DOMError object.
api.FileReader.error_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.load_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.loadend_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.loadstart_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
Firefox: loadstart event dispatches synchronously (should be asynchronously as per spec).Firefox for Android: loadstart event dispatches synchronously (should be asynchronously as per spec).
api.FileReader.progress_event 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.readAsArrayBuffer 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.readAsBinaryString 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.readAsDataURL 📋Chrome9/2/2010 Safari on iOS9/10/2012739
Firefox for Android: Using the camera in Android 8.x raises an exception. See bug 1511083.
api.FileReader.readAsText 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.readyState 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.result 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReader.worker_support Chrome9/2/2010 Safari on iOS9/10/2012739
api.FileReaderSync 📋Chrome10/19/2010 Safari on iOS9/10/2012692
api.FileReaderSync.FileReaderSync 📋Chrome10/19/2010 Safari on iOS9/10/2012692
api.FileReaderSync.readAsArrayBuffer 📋Chrome2/3/2011 Safari on iOS9/10/2012585
api.FileReaderSync.readAsBinaryString 📋Chrome10/19/2010 Safari on iOS9/10/2012692
api.FileReaderSync.readAsDataURL 📋Chrome10/19/2010 Safari on iOS9/10/2012692
api.FileReaderSync.readAsText 📋Chrome10/19/2010 Safari on iOS9/10/2012692
api.FileReaderSync.worker_support Chrome10/19/2010 Safari on iOS9/10/2012692
api.FormData.append.filename_parameter Chrome12/13/2011 Safari on iOS9/10/2012272
api.HTMLDetailsElement 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.HTMLDetailsElement.open 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.HTMLElement.accessKey 📋Chrome2/8/2012 Safari on iOS9/10/2012215
api.HTMLElement.click 📋Chrome2/3/2011 Safari on iOS9/10/2012585
Chrome: Before Chrome 19, click() is only defined on buttons and inputs.Chrome Android: Before Chrome Android 25, click() is only defined on buttons and inputs.Firefox: Before Firefox 5, click() is only defined on buttons and inputs, and has no effect on text and file inputs.Firefox: Starting in Firefox 75, the click() function works even when the element is not attached to a DOM tree.Firefox for Android: Before Firefox 5, click() is only defined on buttons and inputs, and has no effect on text and file inputs.Firefox for Android: Starting in Firefox for Android 79, the click() function works even when the element is not attached to a DOM tree.Quest Browser: Before Quest Browser 5.0, click() is only defined on buttons and inputs.Samsung Internet: Before Samsung Internet 1.5, click() is only defined on buttons and inputs.WebView Android: Before WebView Android 4.4, click() is only defined on buttons and inputs.
api.HTMLElement.translate 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.HTMLFieldSetElement.disabled 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.HTMLFieldSetElement.name 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.HTMLFieldSetElement.type 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.HTMLFormElement.autocomplete 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.HTMLIFrameElement.srcdoc 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.HTMLImageElement.crossOrigin 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.HTMLInputElement.autocomplete 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.HTMLInputElement.dirName 📋Chrome2/8/2012 Safari on iOS9/10/2012215
api.HTMLInputElement.selectionDirection 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.HTMLLinkElement.sizes 📋Chrome10/25/2011 Safari on iOS9/10/2012321
Chrome: Before Chrome 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Chrome Android: Before Chrome Android 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Quest Browser: Before Quest Browser 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera: Before Opera 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera Android: Before Opera Android 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Samsung Internet: Before Samsung Internet 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.WebView Android: Before WebView 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.
api.HTMLMediaElement.defaultMuted 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.HTMLMeterElement 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.high 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.labels 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.low 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.max 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.min 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.optimum 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLMeterElement.value 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLOListElement.reversed 📋Chrome3/28/2012 Safari on iOS9/10/2012166
api.HTMLProgressElement 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLProgressElement.labels 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLProgressElement.max 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLProgressElement.position 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLProgressElement.value 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.HTMLScriptElement.crossOrigin 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.HTMLSelectElement.selectedOptions 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.HTMLSpanElement 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.HTMLTableElement.createTBody 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.HTMLTextAreaElement.dirName 📋Chrome2/8/2012 Safari on iOS9/10/2012215
api.HTMLTextAreaElement.selectionDirection 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.HTMLTextAreaElement.wrap 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.HTMLUnknownElement 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.HashChangeEvent.HashChangeEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.History.state 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.Location.ancestorOrigins 📋Chrome6/26/2012 Safari on iOS9/10/201276
Deno: This value is always empty in Deno.
api.MediaElementAudioSourceNode 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.MediaElementAudioSourceNode.mediaElement 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.MessageEvent.MessageEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.MutationObserver.disconnect 📋Chrome3/28/2012 Safari on iOS9/10/2012166
api.MutationObserver.observe 📋Chrome3/28/2012 Safari on iOS9/10/2012166
Chrome: Before Chrome 33, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Chrome throws a syntax error.Chrome Android: Before Chrome Android 33, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Chrome Android throws a syntax error.Edge: Before Edge 79, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Edge throws a syntax error.Firefox: Before Firefox 36, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Firefox throws a syntax error.Firefox for Android: Before Firefox for Android 36, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Firefox for Android throws a syntax error.Internet Explorer: Internet Explorer requires attributes: true when using attributeFilter or attributeOldValue. If attributes: true is not present, then Internet Explorer throws a syntax error.Quest Browser: Before Quest Browser 5.0, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Quest Browser throws a syntax error.Opera: Before Opera 20, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Opera throws a syntax error.Opera Android: Before Opera Android 20, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Opera Android throws a syntax error.Safari: Before Safari 10.1, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Safari throws a syntax error.Safari on iOS: Before Safari iOS 10.3, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Safari throws a syntax error.Samsung Internet: Before Samsung Internet 2.0, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Samsung Internet throws a syntax error.WebView Android: Before WebView 4.4.3, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then WebView throws a syntax error.WebView on iOS: Before Safari iOS 10.3, attributes: true is required when using attributeFilter or attributeOldValue. If attributes: true is not present, then Safari throws a syntax error.
api.MutationObserver.takeRecords 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.OfflineAudioCompletionEvent 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.OfflineAudioCompletionEvent.renderedBuffer 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.OscillatorNode 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.OscillatorNode.detune 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.OscillatorNode.frequency 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.OscillatorNode.type 📋Chrome6/26/2012 Safari on iOS9/10/201276
api.PageTransitionEvent.PageTransitionEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.PannerNode 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.coneInnerAngle 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.coneOuterAngle 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.coneOuterGain 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.distanceModel 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.maxDistance 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.panningModel 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.refDistance 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.rolloffFactor 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.setOrientation 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PannerNode.setPosition 📋Chrome9/16/2011 Safari on iOS9/10/2012360
api.PopStateEvent 📋Chrome1/25/2010 Safari on iOS9/10/2012959
api.PopStateEvent.PopStateEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.PopStateEvent.state 📋Chrome1/25/2010 Safari on iOS9/10/2012959
api.ProgressEvent.ProgressEvent 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.SVGAnimateMotionElement 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.SVGAnimatedBoolean.animVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedBoolean.baseVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedInteger.animVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedInteger.baseVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedNumberList.animVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedNumberList.baseVal 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGAnimatedPreserveAspectRatio.animVal 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGAnimatedPreserveAspectRatio.baseVal 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.amplitude 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.exponent 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.intercept 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.offset 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.slope 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.tableValues 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGComponentTransferFunctionElement.type 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGElement.error_event 📋Chrome3/8/2011 Safari on iOS9/10/2012552
api.SVGFEBlendElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.in2 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.mode 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEBlendElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.type 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.values 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEColorMatrixElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEComponentTransferElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.in2 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.k1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.k2 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.k3 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.k4 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.operator 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFECompositeElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEConvolveMatrixElement 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.bias 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.divisor 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.edgeMode 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.height 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.in1 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.kernelMatrix 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.kernelUnitLengthX 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.kernelUnitLengthY 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.orderX 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.orderY 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.preserveAlpha 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.result 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.targetX 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.targetY 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.width 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.x 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEConvolveMatrixElement.y 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGFEDiffuseLightingElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.diffuseConstant 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.kernelUnitLengthX 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.kernelUnitLengthY 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.surfaceScale 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDiffuseLightingElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.in2 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.scale 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.xChannelSelector 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDisplacementMapElement.yChannelSelector 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDistantLightElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDistantLightElement.azimuth 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDistantLightElement.elevation 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEDropShadowElement 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.dx 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.dy 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.height 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.in1 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.result 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.setStdDeviation 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.stdDeviationX 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.stdDeviationY 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.width 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.x 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEDropShadowElement.y 📋Chrome8/2/2011 Safari on iOS9/10/2012405
api.SVGFEFloodElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFloodElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFloodElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFloodElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFloodElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFloodElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFuncAElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFuncBElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFuncGElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEFuncRElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.setStdDeviation 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.stdDeviationX 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.stdDeviationY 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEGaussianBlurElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.href 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.preserveAspectRatio 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEImageElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeNodeElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMergeNodeElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.operator 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.radiusX 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.radiusY 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEMorphologyElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.dx 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.dy 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEOffsetElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEPointLightElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEPointLightElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEPointLightElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFEPointLightElement.z 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.specularConstant 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.specularExponent 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.surfaceScale 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpecularLightingElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.limitingConeAngle 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.pointsAtX 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.pointsAtY 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.pointsAtZ 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.specularExponent 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFESpotLightElement.z 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.in1 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETileElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.baseFrequencyX 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.baseFrequencyY 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.numOctaves 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.result 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.seed 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.stitchTiles 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.type 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFETurbulenceElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.filterUnits 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.height 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.href 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.primitiveUnits 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.width 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.x 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGFilterElement.y 📋Chrome5/25/2010 Safari on iOS9/10/2012839
api.SVGMPathElement 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.SVGMPathElement.href 📋Chrome5/15/2012 Safari on iOS9/10/2012118
api.SVGNumberList.appendItem 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.clear 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.getItem 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.initialize 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.insertItemBefore 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.numberOfItems 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.removeItem 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.SVGNumberList.replaceItem 📋Chrome9/2/2010 Safari on iOS9/10/2012739
api.StorageEvent.StorageEvent Chrome2/8/2012 Safari on iOS9/10/2012215
api.TransitionEvent.elapsedTime 📋Chrome5/21/2009 Safari on iOS9/10/20121208
api.TransitionEvent.propertyName 📋Chrome5/21/2009 Safari on iOS9/10/20121208
api.TransitionEvent.pseudoElement 📋Chrome5/21/2009 Safari on iOS9/10/20121208
api.URL.createObjectURL_static 📋Chrome5/15/2012 Safari on iOS9/10/2012118
Firefox: createObjectURL() is no longer available within the context of a ServiceWorker.Firefox for Android: createObjectURL() is no longer available within the context of a ServiceWorker.Internet Explorer: If the underlying object does not have a content type set, using this URL as the src of an img tag fails intermittently with error DOM7009.
api.URL.revokeObjectURL_static 📋Chrome5/15/2012 Safari on iOS9/10/2012118
Firefox: revokeObjectURL() is no longer available within the context of a ServiceWorker.Firefox for Android: revokeObjectURL() is no longer available within the context of a ServiceWorker.
api.WaveShaperNode 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.WaveShaperNode.curve 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.WebSocket.binaryType 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.WebSocket.extensions 📋Chrome12/13/2011 Safari on iOS9/10/2012272
api.WebSocket.protocol 📋Chrome10/25/2011 Safari on iOS9/10/2012321
api.WebSocket.protocol_rfc_6455 Chrome12/13/2011 Safari on iOS9/10/2012272
api.WebSocket.url 📋Chrome3/28/2012 Safari on iOS9/10/2012166
api.XMLHttpRequest.send.body_ArrayBuffer_type Chrome2/3/2011 Safari on iOS9/10/2012585
api.XMLHttpRequest.send.body_FormData_type Chrome9/2/2010 Safari on iOS9/10/2012739
api.console.timeStamp_static Chrome10/25/2011 Safari on iOS9/10/2012321
Firefox: The method can be called, but the marker does not show up in the performance profile.Firefox for Android: The method can be called, but the marker does not show up in the performance profile.
api.console.timeStamp_static.label_parameter Chrome10/25/2011 Safari on iOS9/10/2012321
javascript.builtins.ArrayBuffer.slice 📋Chrome2/8/2012 Safari on iOS9/10/2012215
Firefox: The non-standard ArrayBuffer.slice() method has been removed in Firefox 53 (but the standardized version ArrayBuffer.prototype.slice() is kept.Firefox for Android: The non-standard ArrayBuffer.slice() method has been removed in Firefox for Android 53 (but the standardized version ArrayBuffer.prototype.slice() is kept.
javascript.builtins.Error.stack Chrome9/15/2009 Safari on iOS9/10/20121091
javascript.builtins.Function.apply.generic_arrays_as_arguments Chrome2/8/2012 Safari on iOS9/10/2012215
javascript.builtins.Function.bind 📋Chrome10/19/2010 Safari on iOS9/10/2012692
javascript.builtins.Function.name 📋Chrome10/25/2011 Safari on iOS9/10/2012321
javascript.builtins.Object.defineProperty 📋Chrome5/25/2010 Safari on iOS9/10/2012839
Internet Explorer: In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9.Safari: Also supported in Safari 5, but not on DOM objects.Safari on iOS: Also supported in Safari for iOS 4.2, but not on DOM objects.WebView on iOS: Also supported in Safari for iOS 4.2, but not on DOM objects.

2012/7

API First Browser Date Last Browser Date Days Notes
javascript.statements.const 📋Safari on iOS10/12/2011 Chrome7/31/2012293
Firefox: Before Firefox 13, const is implemented, but re-assignment is not failing.Firefox: Before Firefox 46, a TypeError was thrown on redeclaration instead of a SyntaxError.Firefox for Android: Before Firefox for Android 14, const is implemented, but re-assignment is not failing.Firefox for Android: Before Firefox for Android 46, a TypeError was thrown on redeclaration instead of a SyntaxError.

2012/3

API First Browser Date Last Browser Date Days Notes
api.Element.compositionupdate_event 📋Safari on iOS10/12/2011 Chrome3/28/2012168
api.TouchList 📋Safari on iOS7/11/2008 Chrome3/28/20121356
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchList.item 📋Safari on iOS7/11/2008 Chrome3/28/20121356
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.TouchList.length 📋Safari on iOS7/11/2008 Chrome3/28/20121356
Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues.
api.XMLHttpRequest.loadend_event 📋Safari on iOS6/17/2009 Chrome3/28/20121015
api.XMLHttpRequestUpload.loadend_event 📋Safari on iOS6/17/2009 Chrome3/28/20121015

2011/12

API First Browser Date Last Browser Date Days Notes
api.Node.contains 📋Safari on iOS6/29/2007 Chrome12/13/20111628
Internet Explorer: Only supported for HTMLElement, not all Node objects.

2011/10

API First Browser Date Last Browser Date Days Notes
api.CompositionEvent 📋Safari on iOS10/12/2011 Chrome10/25/201113
api.CompositionEvent.data 📋Safari on iOS10/12/2011 Chrome10/25/201113
api.CompositionEvent.initCompositionEvent 📋Safari on iOS10/12/2011 Chrome10/25/201113
api.Element.compositionend_event 📋Safari on iOS10/12/2011 Chrome10/25/201113
api.Element.compositionstart_event 📋Safari on iOS10/12/2011 Chrome10/25/201113
api.Crypto 📋Chrome4/27/2011 Safari on iOS10/12/2011168
Deno: Crypto is not a concrete interface, but its methods are available on Window.crypto.Node.js: Available as a part of the crypto module.
api.Crypto.getRandomValues 📋Chrome4/27/2011 Safari on iOS10/12/2011168
Node.js: Since v17.4.0, a similar method is available via the crypto module.
api.CustomEvent 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.CustomEvent.detail 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.CustomEvent.initCustomEvent 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.DOMStringList 📋Chrome12/11/2008 Safari on iOS10/12/20111035
api.DOMStringList.contains 📋Chrome12/11/2008 Safari on iOS10/12/20111035
api.DOMStringList.item 📋Chrome12/11/2008 Safari on iOS10/12/20111035
api.DOMStringList.length 📋Chrome12/11/2008 Safari on iOS10/12/20111035
api.DOMStringMap 📋Chrome10/19/2010 Safari on iOS10/12/2011358
api.DOMTokenList 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.add 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.contains 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.item 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.length 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.remove 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.toString 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DOMTokenList.toggle 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.DataTransfer.setData 📋Chrome9/15/2009 Safari on iOS10/12/2011757
api.DataTransferItem 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.DataTransferItem.getAsFile 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.DataTransferItem.getAsString 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.DataTransferItem.kind 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.DataTransferItem.type 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.DedicatedWorkerGlobalScope 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.DedicatedWorkerGlobalScope.close 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.DedicatedWorkerGlobalScope.message_event 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.DedicatedWorkerGlobalScope.postMessage 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Deno: The message parameter does not support cloning Blob values.Deno: The message parameter does not support cloning Blob values.Deno: The transfer parameter does not accept ArrayBuffer items. Passing an ArrayBuffer results in an error being thrown.Deno: The message parameter does not support cloning SharedArrayBuffer or Blob values.Deno: The transfer parameter is ignored.Deno: Data passed in the message parameter is serialized with JSON, not the structured clone algorithm.Deno: The transfer parameter is ignored.
api.Document.compatMode 📋Chrome12/2/2010 Safari on iOS10/12/2011314
Chrome: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.readystatechange_event 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.Document.selectionchange_event 📋Chrome4/27/2011 Safari on iOS10/12/2011168
api.Event.defaultPrevented 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.Event.stopImmediatePropagation 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.EventSource 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.EventSource 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.close 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.error_event 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.message_event 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.open_event 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.readyState 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.EventSource.worker_support Chrome9/2/2010 Safari on iOS10/12/2011405
Firefox: Not supported in service workers.Firefox for Android: Not supported in service workers.
api.FormData 📋Chrome5/25/2010 Safari on iOS10/12/2011505
Firefox: Before Firefox 7, specifying a Blob as the data to append to the object, the filename reported in the Content-Disposition HTTP header was an empty string, resulting in errors on some servers. Starting with Firefox 7, the filename blob is sent.Firefox for Android: Before Firefox for Android 7, specifying a Blob as the data to append to the object, the filename reported in the Content-Disposition HTTP header was an empty string, resulting in errors on some servers. Starting with Firefox for Android 7, the filename blob is sent.WebView Android: XHR in Android 4.0 sends empty content for FormData with blob.
api.FormData.FormData 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.FormData.append 📋Chrome5/25/2010 Safari on iOS10/12/2011505
Firefox: Before Firefox 7, specifying a Blob as the data to append to the object, the filename reported in the Content-Disposition HTTP header was an empty string, resulting in errors on some servers. Starting with Firefox 7, the filename blob is sent.Firefox for Android: Before Firefox for Android 7, specifying a Blob as the data to append to the object, the filename reported in the Content-Disposition HTTP header was an empty string, resulting in errors on some servers. Starting with Firefox for Android 7, the filename blob is sent.Internet Explorer: With the "Include local directory pass when uploading files to a server" option enabled, IE will change the filename inside the Blob on the fly. To have direct control of the sent filename, the developer should send the filename as the third parameter value, i.e. formData.append(name, value, filename).WebView Android: XHR in Android 4.0 sends empty content for FormData with blob.
api.HTMLAnchorElement.origin 📋Chrome12/2/2010 Safari on iOS10/12/2011314
Firefox: Before Firefox 49, results for URL using the blob scheme incorrectly returned null.Firefox for Android: Before Firefox for Android 49, results for URL using the blob scheme incorrectly returned null.
api.HTMLAnchorElement.ping 📋Chrome6/7/2011 Safari on iOS10/12/2011127
Firefox: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104.Firefox for Android: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104.
api.HTMLAreaElement.ping 📋Chrome6/7/2011 Safari on iOS10/12/2011127
Firefox: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104.Firefox for Android: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104.
api.HTMLButtonElement.checkValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLButtonElement.formAction 📋Chrome2/3/2011 Safari on iOS10/12/2011251
Firefox: In Firefox 56, the implementation has been updated so that the formAction property returns the correct form submission URL, as per spec, when the associated button is being used to submit a form (bug 1366361).Firefox for Android: In Firefox for Android 56, the implementation has been updated so that the formAction property returns the correct form submission URL, as per spec, when the associated button is being used to submit a form (bug 1366361).
api.HTMLButtonElement.formEnctype 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLButtonElement.formMethod 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLButtonElement.formTarget 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLButtonElement.labels 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLButtonElement.setCustomValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLElement.dataset 📋Chrome10/19/2010 Safari on iOS10/12/2011358
api.HTMLElement.hidden 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLElement.spellcheck 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLFieldSetElement.checkValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLFieldSetElement.setCustomValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLInputElement.invalid_event 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLLabelElement.control 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLMarqueeElement.behavior 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.bgColor 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.direction 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.height 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.hspace 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.loop 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.scrollAmount 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.scrollDelay 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.trueSpeed 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.vspace 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMarqueeElement.width 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLMediaElement.preload 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.HTMLObjectElement.checkValidity 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLObjectElement.setCustomValidity 📋Chrome3/8/2011 Safari on iOS10/12/2011218
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLObjectElement.validationMessage 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLObjectElement.validity 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLOutputElement 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.checkValidity 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.defaultValue 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.form 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.htmlFor 📋Chrome2/3/2011 Safari on iOS10/12/2011251
Chrome: Before Chrome 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Chrome Android: Before Chrome Android 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Quest Browser: Before Quest Browser 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera: Before Opera 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera Android: Before Opera Android 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Samsung Internet: Before Samsung Internet 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.WebView Android: Before Chrome 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.
api.HTMLOutputElement.labels 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.name 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.setCustomValidity 📋Chrome2/3/2011 Safari on iOS10/12/2011251
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLOutputElement.type 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.validationMessage 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.validity 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.value 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLOutputElement.willValidate 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.HTMLScriptElement.async 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLSelectElement.labels 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLSelectElement.required 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.HTMLTextAreaElement.checkValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLTextAreaElement.labels 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.HTMLTextAreaElement.maxLength 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLTextAreaElement.placeholder 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLTextAreaElement.required 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HTMLTextAreaElement.setCustomValidity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLTextAreaElement.validationMessage 📋Chrome5/25/2010 Safari on iOS10/12/2011505
api.HTMLTextAreaElement.validity 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.HashChangeEvent 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.HashChangeEvent.newURL 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.HashChangeEvent.oldURL 📋Chrome12/2/2010 Safari on iOS10/12/2011314
api.Location.origin 📋Chrome12/2/2010 Safari on iOS10/12/2011314
Firefox: Before Firefox 49, results for URL using the blob scheme incorrectly returned null.Firefox for Android: Before Firefox for Android 49, results for URL using the blob scheme incorrectly returned null.Internet Explorer: Intranet sites are set to Compatibility View, which will emulate IE7 and omit window.location.origin.
api.MediaQueryList 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.MediaQueryList.addListener 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.MediaQueryList.matches 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.MediaQueryList.media 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.MediaQueryList.removeListener 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.SVGSVGElement.getElementById 📋Chrome10/19/2010 Safari on iOS10/12/2011358
api.StorageEvent.url 📋Chrome9/2/2010 Safari on iOS10/12/2011405
api.ValidityState 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.customError 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.patternMismatch 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.rangeOverflow 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.rangeUnderflow 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.stepMismatch 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.tooLong 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Edge: Not supported in the unlikely case of the value being initially set too long, and then changed by the user to a still incorrect state. Per caniuse.com.Firefox: Not supported in the unlikely case of the value being initially set too long, and then changed by the user to a still incorrect state. Per caniuse.com.
api.ValidityState.typeMismatch 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.valid 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.ValidityState.valueMissing 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WebSocket.worker_support Chrome5/25/2010 Safari on iOS10/12/2011505
api.Window.blur_event 📋Chrome5/25/2010 Safari on iOS10/12/2011505
Firefox: Apart from firing the event on window as other browsers do, Firefox also fires the event on the document object. See bug 1228802.Firefox: Before Firefox 24, the interface for this event is a plain Event, not FocusEvent.Firefox for Android: Apart from firing the event on window as other browsers do, Firefox for Android also fires the event on the document object. See bug 1228802.Firefox for Android: Before Firefox for Android 24, the interface for this event is a plain Event, not FocusEvent.
api.Window.error_event 📋Chrome3/8/2011 Safari on iOS10/12/2011218
api.Window.focus_event 📋Chrome5/25/2010 Safari on iOS10/12/2011505
Firefox: Apart from firing the event on window as other browsers do, Firefox also fires the event on the document object. See bug 1228802.Firefox: Before Firefox 24, the interface for this event is a plain Event, not FocusEvent.Firefox for Android: Apart from firing the event on window as other browsers do, Firefox for Android also fires the event on the document object. See bug 1228802.Firefox for Android: Before Firefox for Android 24, the interface for this event is a plain Event, not FocusEvent.
api.Window.getComputedStyle.pseudo_element_support Chrome4/27/2011 Safari on iOS10/12/2011168
api.Window.hashchange_event 📋Chrome12/2/2010 Safari on iOS10/12/2011314
Chrome: A regular Event object is fired, rather than a HashChangeEvent object.
api.Window.matchMedia 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.Worker 📋Chrome5/21/2009 Safari on iOS10/12/2011874
Node.js: Inherits from a Node EventEmitter instead of DOM EventTarget.Node.js: Also supports CommonJS modules, enabled for files ending with .cjs and for files ending with .js when the nearest parent package.json file contains a top-level field "type" with a value not of "commonjs".Node.js: Available as a part of the worker_threads module.
api.Worker.Worker 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Node.js: Takes entirely different options parameters.
api.Worker.error_event 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Node.js: Supports the event, but only via Node EventEmitter.
api.Worker.message_event 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Node.js: Supports the event, but only via Node EventEmitter.
api.Worker.postMessage 📋Chrome5/21/2009 Safari on iOS10/12/2011874
Deno: The message parameter does not support cloning Blob values.Deno: The message parameter does not support cloning Blob values.Deno: The transfer parameter does not accept ArrayBuffer items. Passing an ArrayBuffer results in an error being thrown.Deno: The message parameter does not support SharedArrayBuffer.Deno: The transfer parameter is not supported, and results in an error being thrown.Deno: Data passed in the message parameter is serialized with JSON, not the structured clone algorithm.Deno: The transfer parameter is not supported, and results in an error being thrown.Internet Explorer: Internet Explorer does not support Transferable objects.Node.js: Only accepts an array of transfer objects as the second parameter, not an options object with a transfer property.Node.js: Only supports transferring ArrayBuffer and MessagePort objects.
api.Worker.terminate 📋Chrome5/21/2009 Safari on iOS10/12/2011874
Node.js: Returns a Promise.Node.js: Takes an optional callback parameter to be executed when the worker has terminated.
api.WorkerGlobalScope 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerGlobalScope.error_event 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerGlobalScope.importScripts 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerGlobalScope.location 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerGlobalScope.navigator 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerGlobalScope.self 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.hash 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.host 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.hostname 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.href 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.pathname 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.port 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.protocol 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.search 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerLocation.toString 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerNavigator 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerNavigator.appName 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerNavigator.appVersion 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.WorkerNavigator.onLine 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Firefox: Since Firefox 4 the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity. Since Firefox 41, on OS X and Windows, the returned values follow the actual network connectivity, unless 'Work offline' mode is selected (where it will always return false).Opera: From Opera 11.1 until Opera 12.1, the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity.Opera Android: From Opera 11.1 until Opera 12.1, the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity.WebView Android: Can incorrectly return true, see bug 41369933.
api.WorkerNavigator.platform 📋Chrome1/25/2010 Safari on iOS10/12/2011625
Firefox: Before Firefox 69, platform would report running on a 32-bit CPU if running the 32-bit version of Firefox on a 64-bit system.Firefox: You can override the value returned by platform by setting the preference general.platform.override to the string you wish to be returned instead.
api.WorkerNavigator.userAgent 📋Chrome1/25/2010 Safari on iOS10/12/2011625
api.XMLHttpRequest.response 📋Chrome2/3/2011 Safari on iOS10/12/2011251
api.XMLHttpRequest.worker_support Chrome1/25/2010 Safari on iOS10/12/2011625
api.clearInterval.worker_support Chrome9/15/2009 Safari on iOS10/12/2011757
api.clearTimeout.worker_support Chrome9/15/2009 Safari on iOS10/12/2011757
api.console.groupCollapsed_static 📋Chrome9/2/2010 Safari on iOS10/12/2011405
Node.js: Alias for console.group
api.setInterval.worker_support Chrome9/15/2009 Safari on iOS10/12/2011757
api.setTimeout.worker_support Chrome9/15/2009 Safari on iOS10/12/2011757
javascript.builtins.Array.isArray 📋Chrome1/25/2010 Safari on iOS10/12/2011625
javascript.builtins.DataView 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.DataView 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.buffer 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.byteLength 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.byteOffset 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getFloat32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getFloat64 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getInt16 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getInt32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getInt8 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getUint16 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getUint32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.getUint8 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setFloat32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setFloat64 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setInt16 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setInt32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setInt8 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setUint16 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setUint32 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.DataView.setUint8 📋Chrome2/3/2011 Safari on iOS10/12/2011251
javascript.builtins.Date.parse.iso_8601 Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Float32Array.Float32Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Float64Array.Float64Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Int16Array.Int16Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Int32Array.Int32Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Int8Array.Int8Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Object.create 📋Chrome5/25/2010 Safari on iOS10/12/2011505
javascript.builtins.Object.defineProperties 📋Chrome5/25/2010 Safari on iOS10/12/2011505
javascript.builtins.Object.freeze 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Object.getOwnPropertyDescriptor 📋Chrome5/25/2010 Safari on iOS10/12/2011505
Internet Explorer: In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9.
javascript.builtins.Object.getOwnPropertyNames 📋Chrome5/25/2010 Safari on iOS10/12/2011505
javascript.builtins.Object.getPrototypeOf 📋Chrome5/25/2010 Safari on iOS10/12/2011505
javascript.builtins.Object.isExtensible 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Object.isFrozen 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Object.isSealed 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Object.keys 📋Chrome5/25/2010 Safari on iOS10/12/2011505
javascript.builtins.Object.preventExtensions 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.Object.seal 📋Chrome9/2/2010 Safari on iOS10/12/2011405
javascript.builtins.String.trim 📋Chrome1/25/2010 Safari on iOS10/12/2011625
javascript.builtins.TypedArray.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.TypedArray.index_properties_not_consulting_prototype Chrome10/19/2010 Safari on iOS10/12/2011358
Bun: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Chrome: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Chrome Android: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Deno: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Edge: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Internet Explorer: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Node.js: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Quest Browser: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Opera: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Opera Android: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Safari: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Safari on iOS: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.Samsung Internet: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.WebView Android: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.WebView on iOS: Negative integers are not considered as indexed properties and therefore return the value of the prototype property.
javascript.builtins.TypedArray.named_properties Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.TypedArray.toLocaleString 📋Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.TypedArray.toString 📋Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Uint16Array.Uint16Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Uint32Array.Uint32Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Uint8Array.Uint8Array.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray.constructor_without_parameters Chrome10/19/2010 Safari on iOS10/12/2011358

2011/8

API First Browser Date Last Browser Date Days Notes
api.File 📋Safari on iOS4/3/2010 Chrome8/2/2011486
Firefox: Non-standard implementation.Firefox for Android: Non-standard implementation.Node.js: Before 23.0.0, File instance cannot be cloned.Node.js: Available as a part of the buffer module.Node.js: Available as a part of the buffer module.

2011/2

API First Browser Date Last Browser Date Days Notes
api.HTMLInputElement.formAction 📋Safari on iOS11/22/2010 Chrome2/3/201173
api.HTMLInputElement.formEnctype 📋Safari on iOS11/22/2010 Chrome2/3/201173
api.HTMLInputElement.formMethod 📋Safari on iOS11/22/2010 Chrome2/3/201173
api.HTMLInputElement.formTarget 📋Safari on iOS11/22/2010 Chrome2/3/201173

2010/11

API First Browser Date Last Browser Date Days Notes
api.DeviceOrientationEvent 📋Chrome10/19/2010 Safari on iOS11/22/201034
Chrome: Before version 50, Chrome provided absolute values instead of relative values for this event. Developers still needing absolute values may use the deviceorientationabsolute event.Chrome Android: Before version 50, Chrome Android provided absolute values instead of relative values for this event. Developers still needing absolute values may use the deviceorientationabsolute event.Firefox: Firefox 3.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface.Firefox for Android: Firefox for Android 4.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface.Quest Browser: Before version 5.0, Quest Browser provided absolute values instead of relative values for this event. Developers still needing absolute values may use the deviceorientationabsolute event.Samsung Internet: Before Samsung Internet 5.0, Samsung Internet provided absolute values instead of relative values for this event. Developers still needing absolute values may use the deviceorientationabsolute event.WebView Android: Before version 50, Chrome provided absolute values instead of relative values for this event. Developers still needing absolute values may use the deviceorientationabsolute event.
api.DeviceOrientationEvent.alpha 📋Chrome10/19/2010 Safari on iOS11/22/201034
api.DeviceOrientationEvent.beta 📋Chrome10/19/2010 Safari on iOS11/22/201034
api.DeviceOrientationEvent.gamma 📋Chrome10/19/2010 Safari on iOS11/22/201034
api.Element.focusin_event 📋Chrome12/11/2008 Safari on iOS11/22/2010711
Chrome: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Chrome Android: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Edge: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Firefox: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Firefox for Android: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Quest Browser: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.Samsung Internet: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.WebView Android: The onfocusin event handler property is not supported. To listen to this event, use element.addEventListener('focusin', function() {});.
api.Element.focusout_event 📋Chrome12/11/2008 Safari on iOS11/22/2010711
Chrome: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Chrome Android: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Edge: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Firefox: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Firefox for Android: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Quest Browser: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.Samsung Internet: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.WebView Android: The onfocusout event handler property is not supported. To listen to this event, use element.addEventListener('focusout', function() {});.
api.GeolocationPositionError.code 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.GeolocationPositionError.message 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.HTMLInputElement.labels 📋Chrome9/2/2010 Safari on iOS11/22/201081
api.MessageChannel 📋Chrome5/21/2009 Safari on iOS11/22/2010550
Node.js: Available as a part of the worker_threads module.
api.MessageChannel.MessageChannel 📋Chrome5/21/2009 Safari on iOS11/22/2010550
api.MessageChannel.port1 📋Chrome5/21/2009 Safari on iOS11/22/2010550
api.MessageChannel.port2 📋Chrome5/21/2009 Safari on iOS11/22/2010550
api.MessagePort 📋Chrome5/21/2009 Safari on iOS11/22/2010550
Node.js: Available as a part of the worker_threads module.Node.js: Available as a part of the worker_threads module.Node.js: Inherits from Node EventEmitter instead of DOM EventTarget.
api.MessagePort.close 📋Chrome5/21/2009 Safari on iOS11/22/2010550
api.MessagePort.message_event 📋Chrome5/21/2009 Safari on iOS11/22/2010550
Node.js: Supports the event, but only via Node EventEmitter.
api.MessagePort.postMessage 📋Chrome5/21/2009 Safari on iOS11/22/2010550
Deno: The message parameter does not support cloning Blob values.Deno: The message parameter does not support cloning Blob values.Deno: The transfer parameter does not accept ArrayBuffer items. Passing an ArrayBuffer results in an error being thrown.
api.MessagePort.start 📋Chrome5/21/2009 Safari on iOS11/22/2010550
api.MessagePort.worker_support Chrome1/25/2010 Safari on iOS11/22/2010301
api.WebSocket 📋Chrome5/25/2010 Safari on iOS11/22/2010181
Firefox: Message size limited to 16 MB (see bug 711205).Firefox for Android: Message size limited to 16 MB (see bug 711205).
api.WebSocket.WebSocket 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.bufferedAmount 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.close 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.close_event 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.error_event 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.message_event 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.open_event 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.readyState 📋Chrome5/25/2010 Safari on iOS11/22/2010181
api.WebSocket.send 📋Chrome5/25/2010 Safari on iOS11/22/2010181
Firefox: Only parameter of type ArrayBuffer and String supported.Firefox: Only parameter of type String supported.Firefox: Only parameter of type String supported. Returns boolean.Firefox for Android: Only parameter of type ArrayBuffer and String supported.Firefox for Android: Only parameter of type String supported.Firefox for Android: Only parameter of type String supported. Returns boolean.
api.Window.deviceorientation_event 📋Chrome10/19/2010 Safari on iOS11/22/201034
api.Window.pagehide_event 📋Chrome9/15/2009 Safari on iOS11/22/2010433
api.Window.pageshow_event 📋Chrome9/15/2009 Safari on iOS11/22/2010433
api.Window.popstate_event 📋Chrome5/25/2010 Safari on iOS11/22/2010181
Chrome: Before version 34, Chrome would fire a popstate event on page load.Chrome Android: Before version 34, Chrome Android would fire a popstate event on page load.Quest Browser: Before version 5.0, Quest Browser would fire a popstate event on page load.Safari: Before version 10, Safari would fire a popstate event on page load.Safari on iOS: Before version 10, Safari on iOS would fire a popstate event on page load.Samsung Internet: Before version 2.0, Samsung Internet would fire a popstate event on page load.WebView Android: Before version 37, WebView Android would fire a popstate event on page load.WebView on iOS: Before version 10, WebView on iOS would fire a popstate event on page load.
javascript.builtins.ArrayBuffer 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.ArrayBuffer.ArrayBuffer 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.ArrayBuffer.byteLength 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Float32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Float32Array.Float32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Float64Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Float64Array.Float64Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int16Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int16Array.Int16Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int32Array.Int32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int8Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Int8Array.Int8Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.RegExp.source.empty_regex_string Chrome9/2/2010 Safari on iOS11/22/201081
javascript.builtins.TypedArray 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.BYTES_PER_ELEMENT 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.buffer 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.byteLength 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.byteOffset 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.length 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.name 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.set 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.TypedArray.subarray 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint16Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint16Array.Uint16Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint32Array.Uint32Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint8Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint8Array.Uint8Array 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint8ClampedArray 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray 📋Chrome10/19/2010 Safari on iOS11/22/201034
javascript.statements.debugger 📋Chrome5/25/2010 Safari on iOS11/22/2010181
javascript.statements.empty 📋Chrome9/15/2009 Safari on iOS11/22/2010433

2010/9

API First Browser Date Last Browser Date Days Notes
api.HTMLAllCollection.length 📋Safari on iOS6/21/2010 Chrome9/2/201073
api.SVGAnimatedBoolean 📋Safari on iOS6/21/2010 Chrome9/2/201073
api.SVGAnimatedInteger 📋Safari on iOS6/21/2010 Chrome9/2/201073
api.SVGAnimatedNumberList 📋Safari on iOS6/21/2010 Chrome9/2/201073
api.SVGNumberList 📋Safari on iOS6/21/2010 Chrome9/2/201073
api.TimeRanges 📋Safari on iOS7/11/2008 Chrome9/2/2010783
api.TimeRanges.end 📋Safari on iOS7/11/2008 Chrome9/2/2010783
api.TimeRanges.length 📋Safari on iOS7/11/2008 Chrome9/2/2010783
api.TimeRanges.start 📋Safari on iOS7/11/2008 Chrome9/2/2010783
api.Window.styleMedia Safari on iOS6/21/2010 Chrome9/2/201073

2010/6

API First Browser Date Last Browser Date Days Notes
api.CSSKeyframeRule.keyText 📋Chrome12/11/2008 Safari on iOS6/21/2010557
api.Document.caretRangeFromPoint Chrome1/25/2010 Safari on iOS6/21/2010147
api.Document.head 📋Chrome1/25/2010 Safari on iOS6/21/2010147
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Element.insertAdjacentHTML 📋Chrome12/11/2008 Safari on iOS6/21/2010557
Edge: Only supported for HTMLElement, not all Element objects, such as SVGElement.Internet Explorer: Before Internet Explorer 10, throws an "Invalid target element for this operation." error when called on a <table>, <tbody>, <thead>, or <tr> element.Internet Explorer: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.Element.insertAdjacentText 📋Chrome12/11/2008 Safari on iOS6/21/2010557
Edge: Only supported for HTMLElement, not all Element objects, such as SVGElement.Internet Explorer: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.HTMLAllCollection 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLAllCollection.item 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLAllCollection.namedItem 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLButtonElement.formNoValidate 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLButtonElement.validationMessage 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLButtonElement.validity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLElement.draggable 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLFieldSetElement.validationMessage 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLFieldSetElement.validity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLFormElement.checkValidity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLFormElement.noValidate 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLIFrameElement.sandbox 📋Chrome5/25/2010 Safari on iOS6/21/201027
Chrome: Before Chrome 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Chrome Android: Before Chrome Android 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Firefox: Previously, the type of sandbox was a DOMString instead of a DOMSettableTokenList. This has been fixed with Firefox 29. Other browsers may still implement the property as DOMString since it was a late change in the specification.Firefox for Android: Previously, the type of sandbox was a DOMString instead of a DOMSettableTokenList. This has been fixed with Firefox for Android 29. Other browsers may still implement the property as DOMString since it was a late change in the specification.Quest Browser: Before Quest Browser 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera: Before Opera 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Opera Android: Before Opera Android 37, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.Samsung Internet: Before Samsung Internet 5.0, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.WebView Android: Before WebView Android 50, this property returned the deprecated child DOMSettableTokenList instead of DOMTokenList.
api.HTMLInputElement.checkValidity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.formNoValidate 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.max 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.min 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.pattern 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.required 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.setCustomValidity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLInputElement.step 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLInputElement.stepDown 📋Chrome5/25/2010 Safari on iOS6/21/201027
Firefox: Does not have a specific UI. There are still differences with the latest spec; see bug 835773.Firefox for Android: Does not have a specific UI. There are still differences with the latest spec; see bug 835773.
api.HTMLInputElement.stepUp 📋Chrome5/25/2010 Safari on iOS6/21/201027
Firefox: Does not have a specific UI. There are still differences with the latest spec; see bug 835773.Firefox for Android: Does not have a specific UI. There are still differences with the latest spec; see bug 835773.
api.HTMLInputElement.validationMessage 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLInputElement.validity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLInputElement.valueAsDate 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLInputElement.valueAsNumber 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLObjectElement.willValidate 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLSelectElement.checkValidity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLSelectElement.setCustomValidity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
Chrome: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Chrome Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Quest Browser: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.Samsung Internet: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.WebView Android: This method only updates the validation error popup, not the tooltip that appears when hovering the mouse over the element, see bug 41380670.
api.HTMLSelectElement.validationMessage 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.HTMLSelectElement.validity 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.HTMLTextAreaElement.textLength 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.History.pushState 📋Chrome5/25/2010 Safari on iOS6/21/201027
Firefox: Until Firefox 5, the passed object is serialized using JSON. Starting in Firefox 6, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.Firefox for Android: Until Firefox for Android 5, the passed object is serialized using JSON. Starting in Firefox for Android 6, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
api.History.replaceState 📋Chrome5/25/2010 Safari on iOS6/21/201027
Firefox: Until Firefox 5, the passed object is serialized using JSON. Starting in Firefox 6, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.Firefox for Android: Until Firefox for Android 5, the passed object is serialized using JSON. Starting in Firefox for Android 6, the object is serialized using the structured clone algorithm. This allows a wider variety of objects to be safely passed.
api.PageTransitionEvent 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.PageTransitionEvent.persisted 📋Chrome1/25/2010 Safari on iOS6/21/2010147
Internet Explorer: The persisted property is known to be buggy in Internet Explorer. It is advised to check if window.performance.navigation.type == 2 as well.
api.Range.getBoundingClientRect 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.Range.getClientRects 📋Chrome1/25/2010 Safari on iOS6/21/2010147
api.SVGAnimatedPreserveAspectRatio 📋Chrome5/25/2010 Safari on iOS6/21/201027
api.Window.postMessage.transfer_parameter Chrome1/25/2010 Safari on iOS6/21/2010147
api.Window.storage_event 📋Chrome12/11/2008 Safari on iOS6/21/2010557
javascript.builtins.Date.now 📋Chrome12/11/2008 Safari on iOS6/21/2010557
javascript.builtins.JSON 📋Chrome9/15/2009 Safari on iOS6/21/2010279
javascript.builtins.JSON.parse 📋Chrome9/15/2009 Safari on iOS6/21/2010279
javascript.builtins.JSON.stringify 📋Chrome9/15/2009 Safari on iOS6/21/2010279

2010/5

API First Browser Date Last Browser Date Days Notes
api.Geolocation 📋Safari on iOS6/17/2009 Chrome5/25/2010342
Firefox: GPSD (GPS daemon) support added in Firefox 3.6. WiFi-based location is provided by Google (privacy) or a custom provider (MLS instructions).
api.Geolocation.clearWatch 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.Geolocation.getCurrentPosition 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.Geolocation.watchPosition 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.accuracy 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.altitude 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.altitudeAccuracy 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.heading 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.latitude 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.longitude 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationCoordinates.speed 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationPosition.coords 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.GeolocationPosition.timestamp 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.Navigator.geolocation 📋Safari on iOS6/17/2009 Chrome5/25/2010342
api.console.profileEnd_static Safari on iOS4/3/2010 Chrome5/25/201052
Firefox: The method can be called, but the marker does not show up in the performance profile.Firefox for Android: The method can be called, but the marker does not show up in the performance profile.
api.console.profile_static Safari on iOS4/3/2010 Chrome5/25/201052
Firefox: The method can be called, but the marker does not show up in the performance profile.Firefox for Android: The method can be called, but the marker does not show up in the performance profile.

2010/4

API First Browser Date Last Browser Date Days Notes
api.CSSKeyframeRule.style 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.CSSKeyframesRule.cssRules 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.CSSKeyframesRule.deleteRule 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.CSSKeyframesRule.findRule 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.CSSKeyframesRule.name 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.CanvasRenderingContext2D.createImageData 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.fillText 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.getImageData 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Firefox: Since Firefox 5, getImageData now correctly accepts rectangles that extend beyond the bounds of the canvas; pixels outside the canvas are returned as transparent black and now also returns at least one pixel's worth of image data if a rectangle smaller than one pixel is specified.Firefox for Android: Since Firefox for Android 5, getImageData now correctly accepts rectangles that extend beyond the bounds of the canvas; pixels outside the canvas are returned as transparent black and now also returns at least one pixel's worth of image data if a rectangle smaller than one pixel is specified.
api.CanvasRenderingContext2D.measureText 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.putImageData 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.setTransform 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.strokeText 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.textAlign 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.CanvasRenderingContext2D.textBaseline 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRect.height 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRect.width 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.bottom 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.height 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.left 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.right 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.top 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DOMRectReadOnly.width 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.DataTransfer 📋Chrome9/15/2009 Safari on iOS4/3/2010200
Firefox: As of Firefox 52, the DataTransfer.types property returns a frozen array of DOMStrings as per spec, rather than a DOMStringList.Firefox for Android: As of Firefox for Android 52, the DataTransfer.types property returns a frozen array of DOMStrings as per spec, rather than a DOMStringList.
api.DataTransfer.clearData 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.dropEffect 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.effectAllowed 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.files 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.getData 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.setDragImage 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.DataTransfer.types 📋Chrome9/15/2009 Safari on iOS4/3/2010200
Internet Explorer: The property returns a DOMStringList.Internet Explorer: Text is returned instead of text/plainOpera: As of Opera 12, Text is returned instead of text/plain
api.Document.anchors 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.applets 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.cookie 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.elementFromPoint 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Before Chrome 66, this method returned null when the element was a child of a host node. See bug 40537452.Chrome Android: Before Chrome Android 66, this method returned null when the element was a child of a host node. See bug 40537452.Quest Browser: Before Quest Browser 5.0, this method returned null when the element was a child of a host node. See bug 40537452.Opera: Before Opera 53, this method returned null when the element was a child of a host node. See bug 40537452.Opera Android: Before Opera Android 47, this method returned null when the element was a child of a host node. See bug 40537452.Samsung Internet: Before Samsung Internet 9.0, this method returned null when the element was a child of a host node. See bug 40537452.WebView Android: Before WebView Android 66, this method returned null when the element was a child of a host node. See bug 40537452.
api.Document.forms 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.getElementsByName 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Edge: Before Edge 79, this method returns an HTMLCollection, not a NodeList.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Internet Explorer: Returns an HTMLCollection, not a NodeListSafari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.getSelection 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.images 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.lastModified 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.links 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.location 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.styleSheets 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.Document.title 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Safari: Only supported for HTMLDocument and XMLDocument, but not SVGDocument objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument and XMLDocument, but not SVGDocument objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument and XMLDocument, but not SVGDocument objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Element.getBoundingClientRect 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Safari on iOS: Safari for iOS will modify the effective viewport based on the user zoom. This results in incorrect values whenever the user has zoomed.WebView on iOS: Safari for iOS will modify the effective viewport based on the user zoom. This results in incorrect values whenever the user has zoomed.
api.Element.getClientRects 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.Element.mousedown_event 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.Element.mousemove_event 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.Element.mouseover_event 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.Element.mouseup_event 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.FileList 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.FileList.item 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.FileList.length 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.HTMLInputElement.multiple 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.HTMLInputElement.placeholder 📋Chrome9/15/2009 Safari on iOS4/3/2010200
api.HTMLTextAreaElement.willValidate 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent.data 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent.initMessageEvent 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent.lastEventId 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent.origin 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MessageEvent.ports 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.MessageEvent.source 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.MimeTypeArray.item 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Before version 59, method parameters were optionalChrome Android: Before version 59, method parameters were optionalQuest Browser: Before version 5.0, method parameters were optionalSamsung Internet: Before Samsung Internet 7.0, method parameters were optionalWebView Android: Before version 59, method parameters were optional
api.MimeTypeArray.namedItem 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Before version 59, method parameters were optionalChrome Android: Before version 59, method parameters were optionalQuest Browser: Before version 5.0, method parameters were optionalSamsung Internet: Before Samsung Internet 7.0, method parameters were optionalWebView Android: Before version 59, method parameters were optional
api.Navigator.onLine 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Chrome: Earlier versions of Chrome incorrectly return true when a tab is first opened, but it starts reporting the correct connectivity status after the first network event. Windows: 11, macOS: 14, ChromeOS: 13, Linux: Always returns true. For history, see bug 40530968.Firefox: Since Firefox 4 the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity. Since Firefox 41, on OS X and Windows, the returned values follow the actual network connectivity, unless 'Work offline' mode is selected (where it will always return false).Internet Explorer: in Internet Explorer 8 'online' and 'offline' events are raised on the document.body; under IE 9 they are raised on both document.body and window.Opera: From Opera 11.1 until Opera 12.1, the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity.Opera Android: From Opera 11.1 until Opera 12.1, the browser returns true when 'Work Offline' mode is disabled and false when it is enabled, regardless of actual connectivity.WebView Android: Can incorrectly return true, see bug 41369933.
api.Node.compareDocumentPosition 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Internet Explorer: Only supports contains for elements
api.Plugin.item 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Starting with version 59, method parameters are required instead of optional.Chrome Android: Starting with version 59, method parameters are required instead of optional.Quest Browser: Starting with version 5.0, method parameters are required instead of optional.Samsung Internet: Starting with Samsung Internet 7.0, method parameters are required instead of optional.WebView Android: Starting with version 59, method parameters are required instead of optional.
api.Plugin.namedItem 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Starting with version 59, method parameters are required instead of optional.Chrome Android: Starting with version 59, method parameters are required instead of optional.Quest Browser: Starting with version 5.0, method parameters are required instead of optional.Samsung Internet: Starting with Samsung Internet 7.0, method parameters are required instead of optional.WebView Android: Starting with version 59, method parameters are required instead of optional.
api.PluginArray.item 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Since Chrome 59, method parameters are required instead of optional.Chrome Android: Since Chrome Android 59, method parameters are required instead of optional.Edge: Since Edge 79, method parameters are required instead of optional.Quest Browser: Since Quest Browser 5.0, method parameters are required instead of optional.Opera: Since Opera 46, method parameters are required instead of optional.Opera Android: Since Opera Android 43, method parameters are required instead of optional.Samsung Internet: Since Samsung Internet 7.0, method parameters are required instead of optional.WebView Android: Since WebView Android 59, method parameters are required instead of optional.
api.PluginArray.namedItem 📋Chrome12/11/2008 Safari on iOS4/3/2010478
Chrome: Since Chrome 59, method parameters are required instead of optional.Chrome Android: Since Chrome Android 59, method parameters are required instead of optional.Edge: Since Edge 79, method parameters are required instead of optional.Quest Browser: Since Quest Browser 5.0, method parameters are required instead of optional.Opera: Since Opera 46, method parameters are required instead of optional.Opera Android: Since Opera Android 43, method parameters are required instead of optional.Samsung Internet: Since Samsung Internet 7.0, method parameters are required instead of optional.WebView Android: Since WebView Android 59, method parameters are required instead of optional.
api.SVGAnimationElement.beginElement 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.beginElementAt 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.endElement 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.endElementAt 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.getCurrentTime 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.getSimpleDuration 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.getStartTime 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGAnimationElement.targetElement 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.SVGRectElement.rx 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGRectElement.ry 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.angle 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.matrix 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setMatrix 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setRotate 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setScale 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setSkewX 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setSkewY 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.setTranslate 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.SVGTransform.type 📋Chrome12/11/2008 Safari on iOS4/3/2010478
api.Storage 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.clear 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.getItem 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.key 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.length 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.removeItem 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Storage.setItem 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.Text.wholeText 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.TextMetrics 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.TextMetrics.width 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.Window.localStorage 📋Chrome1/25/2010 Safari on iOS4/3/201068
Deno: The key used for the Web Storage bucket is based on various factors. See the Deno manual.
api.Window.postMessage 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Firefox: Firefox 8 and up supports sending File and FileList objects between windows. This is only allowed if the recipient's principal is contained within the sender's principal for security reasons.Firefox: Before Firefox 6, the message parameter must be a string. Since Firefox 6, the message parameter is serialized using the structured clone algorithm. This means you can pass a broad variety of data objects safely to the destination window without having to serialize them yourself.Firefox for Android: Firefox for Android 8 and up supports sending File and FileList objects between windows. This is only allowed if the recipient's principal is contained within the sender's principal for security reasons.Firefox for Android: Before Firefox for Android 6, the message parameter must be a string. Since Firefox for Android 6, the message parameter is serialized using the structured clone algorithm. This means you can pass a broad variety of data objects safely to the destination window without having to serialize them yourself.Internet Explorer: IE10 had an important limitation: see this article for details.Internet Explorer: Support only for <frame> and <iframe>.
api.Window.sessionStorage 📋Chrome1/25/2010 Safari on iOS4/3/201068
api.XMLHttpRequest.withCredentials 📋Chrome9/15/2009 Safari on iOS4/3/2010200
Firefox: Starting with Firefox 11, it's no longer supported to use the withCredentials attribute when performing synchronous requests. Attempting to do so throws an NS_ERROR_DOM_INVALID_ACCESS_ERR exception.Firefox for Android: Starting with Firefox for Android 14, it's no longer supported to use the withCredentials attribute when performing synchronous requests. Attempting to do so throws an NS_ERROR_DOM_INVALID_ACCESS_ERR exception.Internet Explorer: Internet Explorer versions 8 and 9 supported cross-domain requests (CORS) using XDomainRequest.
api.console.assert_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Node.js: Throws error when assertion fails.
api.console.count_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.debug_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Node.js: Since Node.js 8.10.0, this method is an alias for console.log.
api.console.dir_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.dirxml_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
Node.js: Does not use Logger to log data.
api.console.groupEnd_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.group_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.timeEnd_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.time_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
api.console.trace_static 📋Chrome5/21/2009 Safari on iOS4/3/2010317
javascript.builtins.Array.reduce 📋Chrome9/15/2009 Safari on iOS4/3/2010200
javascript.builtins.Array.reduceRight 📋Chrome9/15/2009 Safari on iOS4/3/2010200
javascript.builtins.Date.toISOString 📋Chrome9/15/2009 Safari on iOS4/3/2010200
javascript.builtins.Date.toJSON 📋Chrome9/15/2009 Safari on iOS4/3/2010200
javascript.operators.decrement 📋Chrome5/21/2009 Safari on iOS4/3/2010317
javascript.operators.increment 📋Chrome5/21/2009 Safari on iOS4/3/2010317

2010/1

API First Browser Date Last Browser Date Days Notes
api.DOMParser.parseFromString.svg Safari on iOS6/29/2007 Chrome1/25/2010941
api.Document.createTreeWalker.whatToShow_filter_parameters_optional Safari on iOS6/17/2009 Chrome1/25/2010222
api.EventTarget.dispatchEvent 📋Safari on iOS6/17/2009 Chrome1/25/2010222
Internet Explorer: Older versions of IE supported an equivalent, proprietary EventTarget.fireEvent() method.
api.HTMLAudioElement.Audio 📋Safari on iOS6/17/2009 Chrome1/25/2010222
api.StorageEvent.initStorageEvent 📋Safari on iOS6/17/2009 Chrome1/25/2010222
api.atob 📋Safari on iOS6/29/2007 Chrome1/25/2010941
api.btoa 📋Safari on iOS6/29/2007 Chrome1/25/2010941

2009/9

API First Browser Date Last Browser Date Days Notes
api.HTMLAudioElement 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.abort_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.autoplay 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.buffered 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.canPlayType 📋Safari on iOS6/17/2009 Chrome9/15/200990
Chrome: codecs string can contain any subset of optional parameters (should be all or none).Chrome: Errors if codecs string contains unexpected characters (should evaluate string up to character).Chrome Android: codecs string can contain any subset of optional parameters (should be all or none).Chrome Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Edge: codecs string can contain any subset of optional parameters (should be all or none).Edge: Errors if codecs string contains unexpected characters (should evaluate string up to character).Firefox: Before Firefox 28, canPlayType() returned probably when asked about WebM audio or video files without the codecs parameter. Since multiple codecs are supported, this is not enough information to determine if a file can be played, so maybe is now correctly returned.Firefox: Before Firefox 101, canPlayType() ignored codecs parameter options for av01 codecs (treating them as av1).Firefox for Android: Before Firefox for Android 28, canPlayType() returned probably when asked about WebM audio or video files without the codecs parameter. Since multiple codecs are supported, this is not enough information to determine if a file can be played, so maybe is now correctly returned.Firefox for Android: Before Firefox for Android 101, canPlayType() ignored codecs parameter options for av01 codecs (treating them as av1).Quest Browser: codecs string can contain any subset of optional parameters (should be all or none).Quest Browser: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera: codecs string can contain any subset of optional parameters (should be all or none).Opera: Errors if codecs string contains unexpected characters (should evaluate string up to character).Opera Android: codecs string can contain any subset of optional parameters (should be all or none).Opera Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).Samsung Internet: codecs string can contain any subset of optional parameters (should be all or none).Samsung Internet: Errors if codecs string contains unexpected characters (should evaluate string up to character).WebView Android: codecs string can contain any subset of optional parameters (should be all or none).WebView Android: Errors if codecs string contains unexpected characters (should evaluate string up to character).
api.HTMLMediaElement.canplay_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.canplaythrough_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.controls 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.currentSrc 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.currentTime 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.defaultPlaybackRate 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.duration 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.durationchange_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.emptied_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.ended 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.ended_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.error 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.error_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.load 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.loadeddata_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.loadedmetadata_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.loadstart_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.loop 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.muted 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.networkState 📋Safari on iOS6/17/2009 Chrome9/15/200990
Firefox: The NETWORK_LOADED state was removed to align with the HTML spec in Firefox 4.
api.HTMLMediaElement.pause 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.pause_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.paused 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.play 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.play_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.playbackRate 📋Safari on iOS6/17/2009 Chrome9/15/200990
Chrome: Setting the playbackRate to a negative value will throw an error.Chrome Android: Setting the playbackRate to a negative value will throw an error.Edge: Setting the playbackRate to a negative value will throw an error.Firefox: Setting the playbackRate to a negative value will throw an error.Firefox for Android: Setting the playbackRate to a negative value will throw an error.Quest Browser: Setting the playbackRate to a negative value will throw an error.Opera: Setting the playbackRate to a negative value will throw an error.Opera Android: Setting the playbackRate to a negative value will throw an error.Samsung Internet: Setting the playbackRate to a negative value will throw an error.WebView Android: Setting the playbackRate to a negative value will throw an error.
api.HTMLMediaElement.played 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.playing_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.progress_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.ratechange_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.readyState 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.seekable 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.seeked_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.seeking 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.seeking_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.src 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.stalled_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.suspend_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.timeupdate_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.volume 📋Safari on iOS6/17/2009 Chrome9/15/200990
Safari on iOS: volume returns a value and is writable; however, the value is always 1, and setting a value has no effect on the volume of the media object.WebView on iOS: volume returns a value and is writable; however, the value is always 1, and setting a value has no effect on the volume of the media object.
api.HTMLMediaElement.volumechange_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLMediaElement.waiting_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLSourceElement 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.HTMLSourceElement.media 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.HTMLSourceElement.src 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.HTMLSourceElement.type 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.HTMLVideoElement 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLVideoElement.height 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLVideoElement.poster 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLVideoElement.resize_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
Edge: The onresize event handler property is not supported.Internet Explorer: The onresize event handler property is not supported.
api.HTMLVideoElement.videoHeight 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLVideoElement.videoWidth 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.HTMLVideoElement.width 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.MediaError 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.MediaError.code 📋Safari on iOS7/11/2008 Chrome9/15/2009431
api.StorageEvent.storageArea 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.Window.offline_event 📋Safari on iOS6/17/2009 Chrome9/15/200990
api.Window.online_event 📋Safari on iOS6/17/2009 Chrome9/15/200990

2009/6

API First Browser Date Last Browser Date Days Notes
api.DOMRectList.item 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.DOMRectList.length 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.Document.createTreeWalker 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.DocumentFragment.querySelector 📋Chrome5/21/2009 Safari on iOS6/17/200927
Internet Explorer: querySelectorAll() is supported, but only for CSS 2.1 selectors.
api.DocumentFragment.querySelectorAll 📋Chrome5/21/2009 Safari on iOS6/17/200927
Internet Explorer: querySelectorAll() is supported, but only for CSS 2.1 selectors.
api.Element.childElementCount 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.Element.children 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Internet Explorer: Also includes non-standard HTMLCommentElement nodes.
api.Element.copy_event 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Internet Explorer: Before Internet Explorer 9, this event is not supported via addEventListener; however, the event handler is supported since IE 5.5. The event can be listened to via element.oncopy.
api.Element.cut_event 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Internet Explorer: Before Internet Explorer 9, this event is not supported via addEventListener; however, the event handler is supported since IE 5.5. The event can be listened to via element.oncopy.
api.Element.firstElementChild 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.Element.lastElementChild 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.Element.nextElementSibling 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.Element.paste_event 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Internet Explorer: Before Internet Explorer 11, copying files does not trigger the paste event.Internet Explorer: Before Internet Explorer 9, this event is not supported via addEventListener; however, the event handler is supported since IE 5.5. The event can be listened to via element.oncopy.
api.Element.previousElementSibling 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLButtonElement.willValidate 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLCanvasElement.toDataURL 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLFieldSetElement.willValidate 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLInputElement.files 📋Chrome5/21/2009 Safari on iOS6/17/200927
Internet Explorer: This property is read-only.
api.HTMLInputElement.willValidate 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLSelectElement.willValidate 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.HTMLTableElement.insertRow 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Firefox: Starting with Firefox 20, the index parameter has been made optional and defaults to -1 as per HTML specification.Firefox for Android: Starting with Firefox for Android 20, the index parameter has been made optional and defaults to -1 as per HTML specification.
api.NodeIterator 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.detach 📋Chrome12/11/2008 Safari on iOS6/17/2009188
Chrome: Since Chrome 45, this method does nothing, as specified. See bug 40362826.Chrome Android: Since Chrome Android 45, this method does nothing, as specified. See bug 40362826.Firefox: Since Firefox 22, this method does nothing, as specified. See bug 823549.Firefox for Android: Since Firefox for Android 22, this method does nothing, as specified. See bug 823549.Quest Browser: Since Quest Browser 5.0, this method does nothing, as specified. See bug 40362826.Opera: Since Opera 32, this method does nothing, as specified. See bug 40362826.Opera Android: Since Opera Android 32, this method does nothing, as specified. See bug 40362826.Safari: Since Safari 10, this method does nothing, as specified. See bug 148454.Safari on iOS: Since Safari on iOS 10, this method does nothing, as specified. See bug 148454.Samsung Internet: Since Samsung Internet 5.0, this method does nothing, as specified. See bug 40362826.WebView Android: Since WebView Android 45, this method does nothing, as specified. See bug 40362826.WebView on iOS: Since WebView on iOS 10, this method does nothing, as specified. See bug 148454.
api.NodeIterator.filter 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.nextNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.pointerBeforeReferenceNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.previousNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.referenceNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.root 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.NodeIterator.whatToShow 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.StorageEvent 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.StorageEvent.key 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.StorageEvent.newValue 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.StorageEvent.oldValue 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.currentNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.filter 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.firstChild 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.lastChild 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.nextNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.nextSibling 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.parentNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.previousNode 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.previousSibling 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.root 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.TreeWalker.whatToShow 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.Window.outerHeight 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.Window.outerWidth 📋Chrome12/11/2008 Safari on iOS6/17/2009188
api.XMLHttpRequest.upload 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload.abort_event 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload.error_event 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload.load_event 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload.loadstart_event 📋Chrome5/21/2009 Safari on iOS6/17/200927
api.XMLHttpRequestUpload.progress_event 📋Chrome5/21/2009 Safari on iOS6/17/200927
javascript.operators.void 📋Chrome12/11/2008 Safari on iOS6/17/2009188

2009/5

API First Browser Date Last Browser Date Days Notes
api.SVGAnimateElement 📋Safari on iOS6/29/2007 Chrome5/21/2009692
api.SVGAnimateTransformElement 📋Safari on iOS6/29/2007 Chrome5/21/2009692
api.SVGAnimationElement 📋Safari on iOS6/29/2007 Chrome5/21/2009692
api.SVGAnimationElement.requiredExtensions 📋Safari on iOS6/29/2007 Chrome5/21/2009692
api.SVGAnimationElement.systemLanguage 📋Safari on iOS6/29/2007 Chrome5/21/2009692
api.SVGSetElement 📋Safari on iOS6/29/2007 Chrome5/21/2009692

2008/12

API First Browser Date Last Browser Date Days Notes
api.Attr 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.localName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.namespaceURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.ownerElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.prefix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.specified 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Attr.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.BarProp 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.BarProp.visible 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CDATASection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSFontFaceRule 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.CSSFontFaceRule.style 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.CSSImportRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSImportRule.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSImportRule.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSImportRule.styleSheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSMediaRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 20, conditionText could not be set.Firefox for Android: Before Firefox for Android 20, conditionText could not be set.
api.CSSMediaRule.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSPageRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSPageRule.selectorText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSPageRule.style 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRule.cssText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: The property normalizes rules and does not return the original verbatim rule text. For example, border-width: 1px; border-style:solid; border-color:white; returns border: 1px solid white;.
api.CSSRule.parentRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRule.parentStyleSheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRule.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRuleList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRuleList.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSRuleList.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration.cssText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration.getPropertyPriority 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration.getPropertyValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration.parentRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleDeclaration.removeProperty 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleRule.selectorText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleRule.style 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.addRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.cssRules 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.deleteRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.insertRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.insertRule.index_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.ownerRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.removeRule 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CSSStyleSheet.rules 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasGradient 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 5.0, specifying non-finite values when adding color stops through a call to addColorStop() incorrectly throws SYNTAX_ERR instead of INDEX_SIZE_ERR.
api.CanvasGradient.addColorStop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasPattern 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.arc 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.arcTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.beginPath 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.bezierCurveTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.canvas 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.clearRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.clip 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.closePath 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.createLinearGradient 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.createPattern 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: The repetition values repeat-x and repeat-y are not supported with fill(), only with fillRect(), see bug 468358.Firefox for Android: The repetition values repeat-x and repeat-y are not supported with fill(), only with fillRect(), see bug 468358.
api.CanvasRenderingContext2D.createRadialGradient 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.drawImage 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.fill 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.fillRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.fillStyle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.globalAlpha 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.globalCompositeOperation 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.isPointInPath 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.CanvasRenderingContext2D.lineCap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.lineJoin 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.lineTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.lineWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.miterLimit 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.moveTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.quadraticCurveTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.rect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.restore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.rotate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.save 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.scale 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.shadowBlur 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.shadowColor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.shadowOffsetX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.shadowOffsetY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.stroke 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.strokeRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.strokeStyle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CanvasRenderingContext2D.transform 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.CanvasRenderingContext2D.translate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.appendData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.data 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.deleteData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.insertData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.replaceData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.CharacterData.substringData 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Comment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMException 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMException.code 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMException.message 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMException.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMImplementation 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMImplementation.createDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMImplementation.createDocumentType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMImplementation.createHTMLDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: The title parameter is required, but can be empty string.
api.DOMImplementation.hasFeature 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Since Firefox 19, hasFeature() mostly returns true.
api.DOMParser 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMParser.DOMParser 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMParser.parseFromString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DOMParser.parseFromString.xml Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.DOMContentLoaded_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Document.URL 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Safari: Only supported for HTMLDocument, not all Document objects.Safari on iOS: Only supported for HTMLDocument, not all Document objects.WebView on iOS: Only supported for HTMLDocument, not all Document objects.
api.Document.adoptNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.body 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.characterSet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: charset alias was made read-only in Chrome 45.Chrome Android: charset alias was made read-only in Chrome Android 45.Quest Browser: charset alias was made read-only in Quest Browser 5.0.Opera: charset alias was made read-only in Opera 45.Opera Android: charset alias was made read-only in Opera 45.Samsung Internet: charset alias was made read-only in Samsung Internet 5.0.WebView Android: charset alias was made read-only in WebView 45.
api.Document.createAttribute 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: The parameter was not converted to its lowercase variant.Firefox for Android: The parameter was not converted to its lowercase variant.
api.Document.createAttributeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createCDATASection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createComment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createDocumentFragment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Doesn't conform to the DOM spec for XUL and XHTML documents: localName and namespaceURI are not set to null on the created element.
api.Document.createElementNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Doesn't conform to the DOM spec for XUL and XHTML documents: localName and namespaceURI are not set to null on the created element.
api.Document.createEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From version 67, creating touch events using this method is no longer supported.
api.Document.createExpression 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createNSResolver 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createNodeIterator 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createProcessingInstruction 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.createTextNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.defaultView 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.doctype 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.documentElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.documentURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.domain 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Since Chrome 115, setting domain has no effect, unless the website has opted into origin-keyed agent clusters.Chrome Android: Since Chrome Android 115, setting domain has no effect, unless the website has opted into origin-keyed agent clusters.Firefox: From Firefox 62, if the domain cannot be identified, domain returns an empty string instead of null. See bug 819475.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: From Firefox for Android 62, if the domain cannot be identified, domain returns an empty string instead of null. See bug 819475.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Quest Browser: Since Quest Browser false, setting domain has no effect, unless the website has opted into origin-keyed agent clusters.Samsung Internet: Since Samsung Internet 23.0, setting domain has no effect, unless the website has opted into origin-keyed agent clusters.WebView Android: Since WebView Android 115, setting domain has no effect, unless the website has opted into origin-keyed agent clusters.
api.Document.evaluate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.execCommand Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From Firefox 82, nested calls are not supported (return false). See bug 1634262.Firefox: Before Firefox 89, manipulating the content of <input> and <textarea> elements using Document.execCommand() commands requires workarounds (see bug 1220696).Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: From Firefox for Android 82, nested calls are not supported (return false). See bug 1634262.Firefox for Android: Before Firefox for Android 89, manipulating the content of <input> and <textarea> elements using Document.execCommand() commands requires workarounds (see bug 1220696).Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.execCommand.insertHTML Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.getElementById 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.getElementsByClassName 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Document.getElementsByTagName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.getElementsByTagNameNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.implementation 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.importNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.queryCommandEnabled Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox: queryCommandEnabled with arguments cut, copy or paste would throw errors unless the script had special privileges.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Firefox for Android: queryCommandEnabled with arguments cut, copy or paste would throw errors unless the script had special privileges.
api.Document.queryCommandIndeterm Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.queryCommandState Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.queryCommandSupported Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox: Only supported for HTMLDocument, not all Document objects.Firefox: The "paste" command is reported as supported when the paste feature is available even if the calling script has insufficient privileges to actually perform the action.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.Firefox for Android: The "paste" command is reported as supported when the paste feature is available even if the calling script has insufficient privileges to actually perform the action.
api.Document.queryCommandValue Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Only supported for HTMLDocument, not all Document objects.Firefox for Android: Only supported for HTMLDocument, not all Document objects.
api.Document.querySelector 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Internet Explorer: querySelectorAll() is supported, but only for CSS 2.1 selectors.
api.Document.querySelectorAll 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Internet Explorer: querySelectorAll() is supported, but only for CSS 2.1 selectors.
api.Document.readyState 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Internet Explorer 9 and 10 have bugs where the 'interactive' state can be fired too early before the document has finished parsing.Internet Explorer: Only supports 'complete'.Opera: Opera Presto fires 'complete' late after the 'load' event (in an incorrect order as per HTML5 standard specification).Opera Android: Opera Presto fires 'complete' late after the 'load' event (in an incorrect order as per HTML5 standard specification).
api.Document.referrer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.scroll_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.xmlEncoding 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.xmlStandalone 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Document.xmlVersion 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DocumentFragment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DocumentType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DocumentType.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DocumentType.publicId 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.DocumentType.systemId 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.DOMActivate_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.attributes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.blur_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Firefox: The interface for this event is Event, not FocusEvent.Firefox for Android: The interface for this event is Event, not FocusEvent.
api.Element.click_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Beginning in Firefox 68, Firefox no longer incorrectly sends a click event for buttons other than the primary mouse button; previously, there were circumstances in which this would occur. One example: middle-clicking a link would send a click to the document's <html> element.
api.Element.clientHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.clientLeft 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.clientTop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.clientWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.dblclick_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting in Firefox 68, dblclick events are only sent for the primary mouse button, per the specification.
api.Element.focus_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Firefox: The interface for this event is Event, not FocusEvent.Firefox for Android: The interface for this event is Event, not FocusEvent.
api.Element.getAttribute 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.getAttributeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting in Firefox 13, null is always returned instead of the empty string, as per the DOM4 specification. Previously, there were cases in which an empty string could be returned.Firefox for Android: Starting in Firefox for Android 14, null is always returned instead of the empty string, as per the DOM4 specification. Previously, there were cases in which an empty string could be returned.
api.Element.getAttributeNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.getAttributeNodeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.getElementsByClassName 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Edge: Only supported for HTMLElement, not all Element objects, such as SVGElement.Firefox: Before Firefox 19, this method was returning a NodeList; it was then changed to reflect the change in the spec.Internet Explorer: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.Element.getElementsByTagName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Chrome Android: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Firefox: Before Firefox 19, this method was returning a NodeList; it was then changed to reflect the change in the spec.Firefox for Android: Before Firefox for Android 19, this method was returning a NodeList; it was then changed to reflect the change in the spec.Quest Browser: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Opera: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Safari: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Safari on iOS: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Samsung Internet: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.WebView Android: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.WebView on iOS: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
api.Element.getElementsByTagName.all_elements_selector Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.getElementsByTagNameNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Chrome Android: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Firefox: The behavior of element.getElementsByTagNameNS changed between Firefox 3.5 and Firefox 3.6. In Firefox 3.5 and before, this function would automatically case-fold any queries so that a search for "foo" would match "Foo" or "foo". In Firefox 3.6 and later this function is now case-sensitive so that a query for "foo" will only match "foo" and not "Foo". For more background on this, please see the comment from Henri Sivonen about the change. You can also look at the relevant part of the standard, which states which parts of the API are case-sensitive and which parts aren't.Firefox: Before Firefox 19, this method was returning a NodeList; it was then changed to reflects the spec change.Firefox for Android: Before Firefox 19, this method was returning a NodeList; it was then changed to reflects the spec change.Quest Browser: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Opera: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Opera Android: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Safari: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Safari on iOS: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.Samsung Internet: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.WebView Android: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.WebView on iOS: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
api.Element.getElementsByTagNameNS.all_elements_selector Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.hasAttribute 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.hasAttributeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.hasAttributes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 35, it was implemented on the Node interface.Firefox for Android: Before Firefox for Android 35, it was implemented on the Node interface.
api.Element.innerHTML 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.input_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Edge: Not supported on select, checkbox, or radio inputs.Internet Explorer: Only supports input of type text and password.
api.Element.insertAdjacentElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: Only supported for HTMLElement, not all Element objects, such as SVGElement.Internet Explorer: Only supported for HTMLElement, not all Element objects, such as SVGElement.
api.Element.keydown_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.keypress_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Chrome does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.Chrome Android: Chrome Android does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.Firefox: As of Firefox 65, the keypress event is no longer fired for non-printable keys, except for the Enter key, and the Shift + Enter and Ctrl + Enter key combinations (these were kept for cross-browser compatibility purposes).Firefox for Android: As of Firefox for Android 65, the keypress event is no longer fired for non-printable keys, except for the Enter key, and the Shift + Enter and Ctrl + Enter key combinations (these were kept for cross-browser compatibility purposes).Quest Browser: Quest Browser does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.Opera: Opera does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.Opera Android: Opera does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.Samsung Internet: Samsung Internet does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.WebView Android: Chrome does not fire the keypress event for known keyboard shortcuts. Which keyboard shortcuts are known depends on the user's system. Use the keydown event to implement keyboard shortcuts.
api.Element.keyup_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.localName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.mouseout_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.mousewheel_event Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.namespaceURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.outerHTML 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.prefix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.querySelector 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Internet Explorer: querySelector() is supported, but only for CSS 2.1 selectors.
api.Element.querySelectorAll 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Internet Explorer: querySelectorAll() is supported, but only for CSS 2.1 selectors.
api.Element.removeAttribute 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: This function doesn't respect boolean attributes' default values. See bug 12087679.
api.Element.removeAttributeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.removeAttributeNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.scrollHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 21, when an element's content does not generate a vertical scrollbar, then its scrollHeight property is equal to its clientHeight property. This can mean either the content is too short to require a scrollbar or that the element has a CSS style overflow value of visible (non-scrollable).Firefox for Android: Before Firefox for Android 21, when an element's content does not generate a vertical scrollbar, then its scrollHeight property is equal to its clientHeight property. This can mean either the content is too short to require a scrollbar or that the element has a CSS style overflow value of visible (non-scrollable).Internet Explorer: In Internet Explorer 5 through 7, if padding is set, the value of scrollHeight is equal to the sum of the top and bottom padding. This behavior was fixed in Internet Explorer 8.
api.Element.scrollIntoView 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: The only parameter supported is alignToTop.Edge: Only supported for HTMLElement, not all Element objects, such as SVGElement.Edge: No support for smooth behavior.Internet Explorer: Only supported for HTMLElement, not all Element objects, such as SVGElement.Internet Explorer: No support for smooth behavior or center options.Safari: No support for center option.Safari: Before Safari 15.4, there was no support for the smooth behavior.Safari on iOS: No support for center option.Safari on iOS: Before iOS 15.4, there was no support for the smooth behavior.WebView on iOS: No support for center option.WebView on iOS: Before iOS 15.4, there was no support for the smooth behavior.
api.Element.scrollIntoViewIfNeeded Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.scrollTop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.scrollWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: In Internet Explorer 5 through 7, if padding is set, the value of scrollWidth is equal to the sum of the left and right padding. This behavior was fixed in Internet Explorer 8.
api.Element.scroll_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.setAttribute 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: In Internet Explorer 7 and earlier, setAttribute doesn't set styles and removes events when you try to set them.
api.Element.setAttributeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.setAttributeNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Element.setAttributeNodeNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: Returns a ClientRectList with ClientRect objects (which do not contain x and y properties) instead of DOMRect objects.Internet Explorer: Returns a ClientRectList with ClientRect objects (which do not contain x and y properties) instead of DOMRect objects.
api.Element.tagName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Only available as an internal instance.
api.Event.bubbles 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: This is not used in Node.js and is provided purely for completeness.
api.Event.cancelBubble 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.Chrome Android: Starting with Chrome Android 58 and Opera 45, setting this property to false does nothing, as per spec discussion.Firefox: Only supported for UIEvent, not all Event objects.Firefox for Android: Only supported for UIEvent, not all Event objects.Node.js: This is not used in Node.js and is provided purely for completeness.Quest Browser: Starting with Quest Browser 5.0 and Opera 45, setting this property to false does nothing, as per spec discussion.Opera: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.Opera Android: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.Samsung Internet: Starting with Samsung Internet 7.0 and Opera 45, setting this property to false does nothing, as per spec discussion.WebView Android: Starting with WebView Android 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
api.Event.cancelable 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.currentTarget 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: On Internet Explorer 6 through 8, the event model is different. Event listeners are attached with the non-standard EventTarget.attachEvent method. In this model, there is no equivalent to event.currentTarget and this is the global object. One solution to emulate the event.currentTarget feature is to wrap your handler in a function calling the handler using Function.prototype.call with the element as a first argument. This way, this will be the expected value.
api.Event.eventPhase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.initEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 17, a call to this method after the dispatching of the event raised an exception instead of doing nothing.Firefox for Android: Before Firefox for Android 17, a call to this method after the dispatching of the event raised an exception instead of doing nothing.
api.Event.preventDefault 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.returnValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.srcElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.stopPropagation 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: This is not used in Node.js and is provided purely for completeness.
api.Event.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Event.timeStamp 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Chrome Android: Starting with Chrome Android 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Deno: In Deno this represents the time since UNIX epoch, not since startup. This is considered a bug, see #10835.Firefox: Starting with Chrome 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Firefox for Android: Starting with Chrome 49, Firefox for Android 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Internet Explorer: Starting with Chrome 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Quest Browser: Starting with Quest Browser 5.0, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Opera: Starting with Chrome 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Opera Android: Starting with Chrome 49, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.Samsung Internet: Starting with Samsung Internet 5.0, Firefox 54 and Opera 36, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.WebView Android: Starting with version 49, this property returns DOMHighResTimeStamp instead of DOMTimeStamp.
api.Event.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.EventTarget 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Only available as an internal instance.Safari: window.EventTarget did not exist on versions of Safari before 10.1.Safari on iOS: window.EventTarget did not exist on versions of Safari iOS before 10.3.WebView on iOS: window.EventTarget did not exist on versions of Safari iOS before 10.3.
api.EventTarget.addEventListener 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Before Chrome 49, the type and listener parameters were optional.Chrome Android: Before Chrome Android 49, the type and listener parameters were optional.Internet Explorer: Older versions of IE supported an equivalent, proprietary EventTarget.attachEvent() method.Quest Browser: Before Quest Browser 5.0, the type and listener parameters were optional.Samsung Internet: Before Samsung Internet 5.0, the type and listener parameters were optional.WebView Android: Before Chrome 49, the type and listener parameters were optional.
api.EventTarget.addEventListener.useCapture_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
api.EventTarget.removeEventListener 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Older versions of IE supported an equivalent, proprietary EventTarget.detachEvent() method.
api.EventTarget.removeEventListener.useCapture_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.charset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.coords 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.hash 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From Firefox 29 to Firefox 40, the returned value was incorrectly percent-decoded.Firefox for Android: From Firefox for Android 29 to Firefox for Android 40, the returned value was incorrectly percent-decoded.
api.HTMLAnchorElement.host 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: In Internet Explorer 9, the host of an <a> always include the port (e.g. developer.mozilla.org:443), even if there is no explicit port in the href attribute value.
api.HTMLAnchorElement.hostname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.hreflang 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.pathname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.Firefox for Android: Before Firefox for Android 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.
api.HTMLAnchorElement.port 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.protocol 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.rel 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.rev 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.search 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.Firefox for Android: Before Firefox for Android 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.
api.HTMLAnchorElement.shape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAnchorElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.alt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.coords 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.hash 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From Firefox 29 to Firefox 40, the returned value was incorrectly percent-decoded.Firefox for Android: From Firefox for Android 29 to Firefox for Android 40, the returned value was incorrectly percent-decoded.
api.HTMLAreaElement.host 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: In Internet Explorer 9, the host of an <a> always include the port (e.g. developer.mozilla.org:443), even if there is no explicit port in the href attribute value.
api.HTMLAreaElement.hostname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.noHref 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.pathname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.Firefox for Android: Before Firefox for Android 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.
api.HTMLAreaElement.port 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.protocol 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.search 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.Firefox for Android: Before Firefox for Android 53, the pathname and search HTMLHyperlinkElementUtils properties returned the wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return '/x?a=true&b=false' and search would return '', rather than '/x' and '?a=true&b=false' respectively. This has now been fixed.
api.HTMLAreaElement.shape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLAreaElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBRElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBRElement.clear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBaseElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBaseElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBaseElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.aLink 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.background 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.bgColor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.link 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLBodyElement.vLink 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLButtonElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCanvasElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCanvasElement.getContext 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCanvasElement.getContext.2d_context Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCanvasElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCanvasElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCollection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCollection.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCollection.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLCollection.namedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDListElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDListElement.compact 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDirectoryElement Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDirectoryElement.compact 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDivElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDivElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.blur 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.change_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.contentEditable 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.dir 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.drag_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Firefox: The drag event handler receives a DragEvent whose coordinate properties (clientX/clientY, pageX/pageY, screenX/screenY) are always 0. See bug 505521.Firefox for Android: The drag event handler receives a DragEvent whose coordinate properties (clientX/clientY, pageX/pageY, screenX/screenY) are always 0. See bug 505521.
api.HTMLElement.dragend_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.dragenter_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.dragleave_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.dragover_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.dragstart_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.drop_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLElement.error_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.focus 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Safari on iOS: If there's no hardware keyboard connected and the user has not yet interacted with the page, then calling focus() on an <input> element has no effect (for example, the element does not match the :focus selector).WebView on iOS: If there's no hardware keyboard connected and the user has not yet interacted with the page, then calling focus() on an <input> element has no effect (for example, the element does not match the :focus selector).
api.HTMLElement.innerText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.isContentEditable 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.lang 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.load_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.offsetHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.offsetLeft 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.offsetParent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.offsetTop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.offsetWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.outerText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.style 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLElement.tabIndex 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Edge: Returns incorrect value for elements without an explicit tabindex attribute. See issue 4365703 for details.Internet Explorer: Returns incorrect value for elements without an explicit tabindex attribute. See issue 4365703 for details.
api.HTMLElement.title 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 58, this interface can no longer be called as a function.Chrome Android: Starting with Chrome Android 58, this interface can no longer be called as a function.Quest Browser: Starting with Quest Browser 5.0, this interface can no longer be called as a function.Opera: Starting with Opera 45, this interface can no longer be called as a function.Opera Android: Starting with Opera 45, this interface can no longer be called as a function.Samsung Internet: Starting with Samsung Internet 7.0, this interface can no longer be called as a function.WebView Android: Starting with WebView Android 58, this interface can no longer be called as a function.
api.HTMLEmbedElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.getSVGDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLEmbedElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFieldSetElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFieldSetElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFontElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFontElement.color 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFontElement.face 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFontElement.size 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormControlsCollection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormControlsCollection.namedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Returned a NodeList instead of a RadioNodeList.Firefox for Android: Returned a NodeList instead of a RadioNodeList.
api.HTMLFormElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.acceptCharset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.action 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.elements 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.encoding 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.enctype 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.method 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.reset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.reset_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.submit 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.submit_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFormElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.contentDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.contentWindow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.frameBorder 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.longDesc 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.marginHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.marginWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.noResize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.scrolling 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameSetElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameSetElement.cols 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLFrameSetElement.rows 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHRElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHRElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHRElement.noShade 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHRElement.size 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHRElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHeadElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHeadingElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHeadingElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHtmlElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLHtmlElement.version 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.contentDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.contentWindow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.frameBorder 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.getSVGDocument 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLIFrameElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.longDesc 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.marginHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.marginWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.scrolling 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLIFrameElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.Image 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.alt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.border 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.complete 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: IE reports false for broken images.
api.HTMLImageElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.hspace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.isMap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.longDesc 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.lowsrc 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLImageElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.naturalHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.naturalWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.useMap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.vspace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLImageElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.accept 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.alt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.checked 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.defaultChecked 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.defaultValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.indeterminate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.maxLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.readOnly 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.select 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.select_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.selectionEnd 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.selectionStart 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.setSelectionRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.size 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.useMap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLInputElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLIElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 10, Gecko incorrectly reflected negative value attributes to 0.Firefox for Android: Before Firefox for Android 10, Gecko incorrectly reflected negative value attributes to 0.
api.HTMLLIElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLIElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLabelElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLabelElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLabelElement.htmlFor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLegendElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLegendElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLegendElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.charset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Chrome Android: In Chrome Android and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Edge: Since Edge 79, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Quest Browser: In Quest Browser and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Opera: In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Opera Android: In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.Samsung Internet: In Chrome and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.WebView Android: In WebView Android and other Blink-based browsers, adding the disabled attribute using JavaScript does not remove the stylesheet from document.styleSheets.
api.HTMLLinkElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.hreflang 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.rel 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.rev 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.sheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLLinkElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMapElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMapElement.areas 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMapElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMarqueeElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 65, <marquee> implemented the HTMLDivElement interface.Firefox for Android: Before Firefox for Android 65, <marquee> implemented the HTMLDivElement interface.
api.HTMLMarqueeElement.start 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMarqueeElement.stop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMenuElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMenuElement.compact 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMetaElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMetaElement.content 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMetaElement.httpEquiv 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMetaElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLMetaElement.scheme 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLModElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLModElement.cite 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLModElement.dateTime 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOListElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOListElement.compact 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOListElement.start 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOListElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.archive 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.border 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.code 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.codeBase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.codeType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.contentDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.data 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.declare 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.getSVGDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.hspace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.standby 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.useMap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.vspace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLObjectElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptGroupElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptGroupElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Safari: The property can be set, but has no effect (see bug 227042).Safari on iOS: The property can be set, but has no effect (see bug 227042).WebView on iOS: The property can be set, but has no effect (see bug 227042).
api.HTMLOptGroupElement.label 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.Option 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Before Internet Explorer 9, the outerHTML of elements lose their text when constructing with new Option().
api.HTMLOptionElement.defaultSelected 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.index 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.label 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 7 the label property incorrectly returned an empty string if not defined instead of returning the element's text content.Firefox for Android: Before Firefox for Android 7 the label property incorrectly returned an empty string if not defined instead of returning the element's text content.
api.HTMLOptionElement.selected 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionsCollection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionsCollection.add 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionsCollection.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionsCollection.remove 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLOptionsCollection.selectedIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParagraphElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParagraphElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParamElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParamElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParamElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParamElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLParamElement.valueType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLPreElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLPreElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLQuoteElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLQuoteElement.cite 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.charset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.defer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Before Internet Explorer 10, it implemented defer by a proprietary specification. Since version 10 it conforms to the W3C specification.
api.HTMLScriptElement.event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.htmlFor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.innerText 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.HTMLScriptElement.src 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.textContent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLScriptElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: You should watch for change events on <select> instead of watching <option> elements for events. See bug 1090602 and Multiprocess Firefox Web content compatibility for details.
api.HTMLSelectElement.add 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.multiple 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.namedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: namedItem does not appear to take the name attribute into account (only the id attribute) on Internet Explorer and Edge. There is a bug report to Microsoft about this.Internet Explorer: namedItem does not appear to take the name attribute into account (only the id attribute) on Internet Explorer and Edge. There is a bug report to Microsoft about this.
api.HTMLSelectElement.options 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.remove 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.selectedIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.size 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLSelectElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLStyleElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLStyleElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLStyleElement.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLStyleElement.sheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLStyleElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCaptionElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCaptionElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.abbr 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.axis 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.bgColor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.cellIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.ch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.chOff 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.colSpan 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.headers 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.noWrap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.rowSpan 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.scope 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.vAlign 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableCellElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.ch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.chOff 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.span 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.vAlign 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableColElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.bgColor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.border 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.caption 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.cellPadding 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.cellSpacing 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.createCaption 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.createTFoot 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.createTHead 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.deleteCaption 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.deleteRow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.deleteTFoot 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.deleteTHead 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.frame 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.rows 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.rules 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.summary 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.tBodies 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.tFoot 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.tHead 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.bgColor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.cells 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.ch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.chOff 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.deleteCell 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.insertCell 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.insertCell.index_parameter_negative_one Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.insertCell.index_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.rowIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.sectionRowIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableRowElement.vAlign 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.ch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.chOff 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.deleteRow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.insertRow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.rows 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTableSectionElement.vAlign 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.cols 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.defaultValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.form 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.readOnly 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.rows 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.select 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.select_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.selectionEnd 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.selectionStart 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.setSelectionRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTextAreaElement.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTitleElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLTitleElement.text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLUListElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLUListElement.compact 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.HTMLUListElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.History 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.History.back 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.History.forward 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.History.go 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.History.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.ImageData 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ImageData.data 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ImageData.height 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ImageData.width 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.KeyboardEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.KeyboardEvent.altKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.KeyboardEvent.charCode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.KeyboardEvent.ctrlKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.KeyboardEvent.initKeyboardEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.KeyboardEvent.keyCode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: When selecting an autocomplete suggestion, a keydown event fires where the event's keyCode property is undefined. See bug 41425904.Chrome Android: When selecting an autocomplete suggestion, a keydown event fires where the event's keyCode property is undefined. See bug 41425904.Quest Browser: When selecting an autocomplete suggestion, a keydown event fires where the event's keyCode property is undefined. See bug 41425904.Samsung Internet: When selecting an autocomplete suggestion, a keydown event fires where the event's keyCode property is undefined. See bug 41425904.WebView Android: When selecting an autocomplete suggestion, a keydown event fires where the event's keyCode property is undefined. See bug 41425904.
api.KeyboardEvent.metaKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Since Firefox 48, the Windows key is no longer treated as a meta key.Firefox for Android: Since Firefox for Android 48, the Windows key is no longer treated as a meta key.
api.KeyboardEvent.shiftKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.assign 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Deno: This method exists but has no effect in Deno. A location can be assigned using the --location runtime flag.
api.Location.hash 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.host 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.hostname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.pathname 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the pathname property returned wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return "/x?a=true&b=false" rather than "/x".Firefox for Android: Before Firefox for Android 53, the pathname property returned wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, pathname would return "/x?a=true&b=false" rather than "/x".Internet Explorer: Internet Explorer does not provide the leading slash character in the pathname (docs/Web/API/Location instead of /docs/Web/API/Location).
api.Location.port 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.protocol 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Location.reload 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Deno: This method exists but has no effect in Deno.Edge: Before Edge 79, if a page added to Trusted Sites contains a cross-origin iframe, then calling reload() from within the iframe reloads the trusted page (in other words, the top page reloads, not the iframe).Internet Explorer: If a page added to Trusted Sites contains a cross-origin iframe, then calling reload() from within the iframe reloads the trusted page (in other words, the top page reloads, not the iframe).
api.Location.replace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Deno: This method exists but has no effect in Deno. A location can be assigned using the --location runtime flag.
api.Location.search 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 53, the search property returned wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, search would return "", rather than "?a=true&b=false".Firefox for Android: Before Firefox for Android 53, the search property returned wrong parts of the URL. For example, for a URL of https://z.com/x?a=true&b=false, search would return "", rather than "?a=true&b=false".
api.MediaList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.appendMedium 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.deleteMedium 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.mediaText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MediaList.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MimeTypeArray 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MimeTypeArray.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.altKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.button 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.clientX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.clientY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.ctrlKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.initMouseEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.layerX Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.layerY Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.metaKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.offsetX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.offsetY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.pageX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.pageY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.relatedTarget 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.screenX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.screenY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.shiftKey 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.MouseEvent.x 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.MouseEvent.y 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.NamedNodeMap 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.getNamedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.getNamedItemNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.removeNamedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.removeNamedItemNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.setNamedItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NamedNodeMap.setNamedItemNS 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.appCodeName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.appName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.appVersion 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.javaEnabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.language 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 4, this property's value was also part of the user agent string, as reported by navigator.userAgent. Starting in Firefox 5, this property's value is based on the value of the Accept-Language HTTP header.Internet Explorer: Closest available (non-standard) properties are userLanguage and browserLanguage.
api.Navigator.mimeTypes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.platform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 69, platform would report running on a 32-bit CPU if running the 32-bit version of Firefox on a 64-bit system.Firefox: You can override the value returned by platform by setting the preference general.platform.override to the string you wish to be returned instead.
api.Navigator.plugins 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.product 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.productSub 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Always returns 20030107.Chrome Android: Always returns 20030107.Edge: Always returns 20030107.Quest Browser: Always returns 20030107.Opera: Always returns 20030107.Opera Android: Always returns 20030107.Safari: Always returns 20030107.Safari on iOS: Always returns 20030107.Samsung Internet: Always returns 20030107.WebView Android: Always returns 20030107.WebView on iOS: Always returns 20030107.
api.Navigator.userAgent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.vendor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Navigator.vendorSub 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Chrome Android: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Quest Browser: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Opera: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Opera Android: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Safari: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Safari on iOS: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.Samsung Internet: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.WebView Android: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.WebView on iOS: WebKit and old versions of Blink incorrectly do not make Node inherit from EventTarget.
api.Node.appendChild 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.baseURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.childNodes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.cloneNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.firstChild 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.hasChildNodes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.insertBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.isDefaultNamespace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.isEqualNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.isSameNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.lastChild 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.lookupNamespaceURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.lookupPrefix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.nextSibling 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.nodeName 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.nodeType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.nodeValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.normalize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.ownerDocument 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: The ownerDocument of doctype nodes (that is, nodes for which Node.nodeType is Node.DOCUMENT_TYPE_NODE or 10) is null.Firefox for Android: The ownerDocument of doctype nodes (that is, nodes for which Node.nodeType is Node.DOCUMENT_TYPE_NODE or 10) is null.
api.Node.parentElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Only supported on Element.Opera: Before Opera 15, this feature was only supported on Element.Opera Android: Before Opera Android 14, this feature was only supported on Element.
api.Node.parentNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.previousSibling 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.removeChild 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.replaceChild 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Node.textContent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NodeList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NodeList.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.NodeList.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Plugin 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Plugin.description 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Plugin.filename 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Plugin.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Plugin.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.PluginArray 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.PluginArray.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.PluginArray.refresh 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Since Chrome 59, method parameters are required instead of optional.Chrome Android: Since Chrome Android 59, method parameters are required instead of optional.Edge: Since Edge 79, method parameters are required instead of optional.Quest Browser: Since Quest Browser 5.0, method parameters are required instead of optional.Opera: Since Opera 46, method parameters are required instead of optional.Opera Android: Since Opera Android 43, method parameters are required instead of optional.Samsung Internet: Since Samsung Internet 7.0, method parameters are required instead of optional.WebView Android: Since WebView Android 59, method parameters are required instead of optional.
api.ProcessingInstruction 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.ProcessingInstruction.sheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.ProcessingInstruction.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.ProgressEvent 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ProgressEvent.lengthComputable 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ProgressEvent.loaded 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.ProgressEvent.total 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Range 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting with Firefox 13, the Range object throws a DOMException as defined in DOM 4, instead of a RangeException defined in prior specifications.Firefox for Android: Starting with Firefox for Android 14, the Range object throws a DOMException as defined in DOM 4, instead of a RangeException defined in prior specifications.
api.Range.cloneContents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.cloneRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.collapse 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.collapse.toStart_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Optional but defaults to true.
api.Range.collapsed 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.commonAncestorContainer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.compareBoundaryPoints 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.comparePoint 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.createContextualFragment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.deleteContents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.detach 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Since Chrome 37, this method does nothing, as specified. See bug 40362748.Chrome Android: Since Chrome Android 37, this method does nothing, as specified. See bug 40362748.Firefox: Since Firefox 15, this method does nothing, as specified. See bug 702948.Firefox for Android: Since Firefox for Android 15, this method does nothing, as specified. See bug 702948.Quest Browser: Since Quest Browser 5.0, this method does nothing, as specified. See bug 40362748.Opera: Since Opera 24, this method does nothing, as specified. See bug 40362748.Opera Android: Since Opera 24, this method does nothing, as specified. See bug 40362748.Safari: Since Safari 10, this method does nothing, see bug 148454.Safari on iOS: Since Safari on iOS 10, this method does nothing, see bug 148454.Samsung Internet: Since Samsung Internet 3.0, this method does nothing, as specified. See bug 40362748.WebView Android: Since WebView Android 37, this method does nothing, as specified. See bug 40362748.WebView on iOS: Since WebView on iOS 10, this method does nothing, see bug 148454.
api.Range.endContainer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.endOffset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.extractContents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.insertNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.intersectsNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.isPointInRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.selectNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.selectNodeContents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setEnd 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setEndAfter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setEndBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setStart 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setStartAfter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.setStartBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.startContainer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.startOffset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.surroundContents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Range.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAElement.target 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.convertToSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.newValueSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.unitType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.valueAsString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAngle.valueInSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedAngle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedAngle.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedAngle.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedEnumeration 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedEnumeration.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedEnumeration.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLength.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLength.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLengthList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLengthList.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedLengthList.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedNumber 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedNumber.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedNumber.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedRect.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedRect.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedString.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedString.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedTransformList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedTransformList.animVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGAnimatedTransformList.baseVal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGCircleElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGCircleElement.cx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGCircleElement.cy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGCircleElement.r 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGClipPathElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGClipPathElement.clipPathUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGClipPathElement.transform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGDefsElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGDescElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.blur 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.className 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.focus 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.load_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: See bug 620002 for implementation status of the standard load event.Firefox for Android: See bug 620002 for implementation status of the standard load event.
api.SVGElement.ownerSVGElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.style 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGElement.viewportElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGEllipseElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGEllipseElement.cx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGEllipseElement.cy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGEllipseElement.rx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGEllipseElement.ry 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGForeignObjectElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGForeignObjectElement.height 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGForeignObjectElement.width 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGForeignObjectElement.x 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGForeignObjectElement.y 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGGElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGradientElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGradientElement.gradientTransform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGradientElement.gradientUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGradientElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGradientElement.spreadMethod 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGraphicsElement.getBBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 128, the getBBox() method returned an empty DOMRect when there is no fill (bug 1019326).Firefox: Before Firefox 68, this method didn't work for <textPath> and <tspan> elements (bug 937268).Firefox for Android: Before Firefox for Android 128, the getBBox() method returned an empty DOMRect when there is no fill (bug 1019326).Firefox for Android: Before Firefox for Android 68, this method didn't work for <textPath> and <tspan> elements (bug 937268).
api.SVGGraphicsElement.getCTM 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGraphicsElement.getScreenCTM 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Safari: Transforms on the parent are not propagated down to its children; see bug 209220.Safari on iOS: Transforms on the parent are not propagated down to its children; see bug 209220.WebView on iOS: Transforms on the parent are not propagated down to its children; see bug 209220.
api.SVGGraphicsElement.requiredExtensions 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGraphicsElement.systemLanguage 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGGraphicsElement.transform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGImageElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.convertToSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.newValueSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.unitType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.valueAsString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLength.valueInSpecifiedUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.appendItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.clear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.getItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.initialize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.insertItemBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.numberOfItems 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.removeItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLengthList.replaceItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLineElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLineElement.x1 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLineElement.x2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLineElement.y1 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLineElement.y2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLinearGradientElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLinearGradientElement.x1 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLinearGradientElement.x2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLinearGradientElement.y1 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGLinearGradientElement.y2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.markerHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.markerUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.markerWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.orientAngle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.orientType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.refX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.refY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.setOrientToAngle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.setOrientToAuto 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMarkerElement.viewBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMaskElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMaskElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMaskElement.maskContentUnits 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGMaskElement.maskUnits 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGMaskElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMaskElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMaskElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGMetadataElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGNumber 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGNumber.value 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPathElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPathElement.getPointAtLength 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGPathElement.getTotalLength 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGPathElement.pathLength 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGPatternElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.patternContentUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.patternTransform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.patternUnits 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.viewBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPatternElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPoint 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPoint.matrixTransform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPoint.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPoint.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.appendItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.clear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.getItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.initialize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.insertItemBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.numberOfItems 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.removeItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPointList.replaceItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolygonElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolygonElement.animatedPoints 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolygonElement.points 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolylineElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolylineElement.animatedPoints 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPolylineElement.points 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPreserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPreserveAspectRatio.align 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGPreserveAspectRatio.meetOrSlice 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement.cx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement.cy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement.fx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement.fy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRadialGradientElement.r 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRect.height Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRect.width Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRect.x Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRect.y Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRectElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRectElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRectElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRectElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGRectElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.animationsPaused 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.checkEnclosure 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.checkIntersection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGAngle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGMatrix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGNumber 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGPoint 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGRect 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGTransform 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.createSVGTransformFromMatrix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.currentScale 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.currentTranslate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.deselectAll 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.forceRedraw 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.getCurrentTime 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.getEnclosureList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.getIntersectionList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.pauseAnimations 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.setCurrentTime 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.suspendRedraw 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.unpauseAnimations 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.unsuspendRedraw 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.unsuspendRedrawAll 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.viewBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSVGElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGScriptElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGScriptElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGScriptElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStopElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStopElement.offset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Since version 13, SVGStringList is indexable like Array which is a non-standard behavior.Firefox for Android: SVGStringList is indexable like Array which is a non-standard behavior.
api.SVGStringList.appendItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.clear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.getItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.initialize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.insertItemBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.numberOfItems 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.removeItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStringList.replaceItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStyleElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStyleElement.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStyleElement.title 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGStyleElement.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSwitchElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSymbolElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSymbolElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGSymbolElement.viewBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTSpanElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getCharNumAtPosition 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getComputedTextLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getEndPositionOfChar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getExtentOfChar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getNumberOfChars 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getRotationOfChar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getStartPositionOfChar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.getSubStringLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.lengthAdjust 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.selectSubString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextContentElement.textLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPathElement 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGTextPathElement.href 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGTextPathElement.method 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGTextPathElement.spacing 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGTextPathElement.startOffset 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGTextPositioningElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPositioningElement.dx 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPositioningElement.dy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPositioningElement.rotate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPositioningElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTextPositioningElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTitleElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.appendItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.clear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.consolidate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.createSVGTransformFromMatrix 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.getItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.initialize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.insertItemBefore 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.numberOfItems 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.removeItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGTransformList.replaceItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUnitTypes 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.SVGUseElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUseElement.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUseElement.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUseElement.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUseElement.x 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGUseElement.y 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGViewElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGViewElement.preserveAspectRatio 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.SVGViewElement.viewBox 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Screen 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Screen.availHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: Always reflects the main screen.
api.Screen.availLeft Safari on iOS6/29/2007 Chrome12/11/2008531
api.Screen.availLeft.relative-multi-screen Safari on iOS6/29/2007 Chrome12/11/2008531
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Screen.availTop Safari on iOS6/29/2007 Chrome12/11/2008531
api.Screen.availTop.relative-multi-screen Safari on iOS6/29/2007 Chrome12/11/2008531
Safari: Coordinate origin used is inconsistent/unreliable.Safari on iOS: Coordinate origin used is inconsistent/unreliable.WebView on iOS: Coordinate origin used is inconsistent/unreliable.
api.Screen.availWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: Always reflects the main screen.
api.Screen.colorDepth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with version 59 this property is no longer required to always return 24.Chrome Android: Starting with version 59 this property is no longer required to always return 24.Quest Browser: Starting with version 5.0 this property is no longer required to always return 24.Samsung Internet: Starting with Samsung Internet 7.0 this property is no longer required to always return 24.WebView Android: Starting with version 59 this property is no longer required to always return 24.
api.Screen.height 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Screen.pixelDepth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with version 59 this property is no longer required to always return 24.Chrome Android: Starting with version 59 this property is no longer required to always return 24.Quest Browser: Starting with version 5.0 this property is no longer required to always return 24.Samsung Internet: Starting with Samsung Internet 7.0 this property is no longer required to always return 24.WebView Android: Starting with version 59 this property is no longer required to always return 24.
api.Screen.width 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.addRange 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.anchorNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.anchorOffset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.collapse 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.collapse.offset_parameter_optional Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.collapseToEnd 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.collapseToStart 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.containsNode 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Firefox: Before Firefox 35, the method didn't throw if node was null.Firefox for Android: Before Firefox for Android 35, the method didn't throw if node was null.
api.Selection.containsNode.partialContainment_parameter_optional Safari on iOS7/11/2008 Chrome12/11/2008153
api.Selection.deleteFromDocument 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Selection.empty 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.extend 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Selection.extend.offset_parameter_optional Safari on iOS7/11/2008 Chrome12/11/2008153
api.Selection.focusNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.focusOffset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.getRangeAt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.isCollapsed 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.modify 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.rangeCount 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.removeAllRanges 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.selectAllChildren 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Selection.setBaseAndExtent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.setPosition 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Selection.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 139, toString() returns an empty string for selected texts in form elements. See bug 85686.Firefox for Android: Before Firefox for Android 139, toString() returns an empty string for selected texts in form elements. See bug 85686.
api.Selection.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.disabled 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.href 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.media 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.ownerNode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.parentStyleSheet 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.title 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheet.type 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheetList 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheetList.item 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.StyleSheetList.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Text 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Text.splitText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Before Chrome 30, the offset parameter was optional.Chrome Android: Before Chrome Android 30, the offset parameter was optional.Quest Browser: Before Quest Browser 5.0, the offset parameter was optional.Opera: Before Opera 17, the offset parameter was optional.Opera Android: Before Opera 17, the offset parameter was optional.Safari: The offset parameter is optional.Safari on iOS: The offset parameter is optional.Samsung Internet: Before Samsung Internet 2.0, the offset parameter was optional.WebView Android: Before version 4.4, the offset parameter was optional.WebView on iOS: The offset parameter is optional.
api.TextEvent 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.TextEvent.data 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.TextEvent.initTextEvent 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.UIEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.UIEvent.detail 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Always 0 on click and dblclick events. On mousedown and mouseup events, the count is not unique to the element, but is rather the global click count for the current document -- even across refreshes.
api.UIEvent.initUIEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.UIEvent.view 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.UIEvent.which 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: When selecting an autocomplete suggestion, a keydown event fires where the event's which property is undefined. See bug 41425904.Chrome Android: When selecting an autocomplete suggestion, a keydown event fires where the event's which property is undefined. See bug 41425904.Edge: Only supported for KeyboardEvent and MouseEvent, not all UIEvent objects.Firefox: On mousemove events, the which property is incorrectly always set to 1.Firefox for Android: On mousemove events, the which property is incorrectly always set to 1.Internet Explorer: Only supported for KeyboardEvent and MouseEvent, not all UIEvent objects.Quest Browser: When selecting an autocomplete suggestion, a keydown event fires where the event's which property is undefined. See bug 41425904.Opera: Only supported for KeyboardEvent and MouseEvent, not all UIEvent objects.Opera Android: Only supported for KeyboardEvent and MouseEvent, not all UIEvent objects.Samsung Internet: When selecting an autocomplete suggestion, a keydown event fires where the event's which property is undefined. See bug 41425904.WebView Android: When selecting an autocomplete suggestion, a keydown event fires where the event's which property is undefined. See bug 41425904.
api.WheelEvent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.WheelEvent.wheelDelta Safari on iOS6/29/2007 Chrome12/11/2008531
api.WheelEvent.wheelDeltaX Safari on iOS6/29/2007 Chrome12/11/2008531
api.WheelEvent.wheelDeltaY Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: The Window interface is not implemented, but some methods, and properties are available in the global scope.
api.Window.DOMContentLoaded_event 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.Window.alert 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Chrome Android: Starting with Chrome Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Quest Browser: Starting with Quest Browser 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera Android: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Samsung Internet: Starting with Samsung Internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.WebView Android: Starting with WebView Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.
api.Window.blur 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.captureEvents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.close 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Before Chrome 95, script-closeability depended on having an opener, not on being created by web content.Chrome Android: Before Chrome Android 95, script-closeability depended on having an opener, not on being created by web content.Deno: Exits the current Deno process.Firefox: Before Firefox 128, script-closeability depended on having an opener, not on being created by web content.Firefox for Android: Before Firefox for Android 128, script-closeability depended on having an opener, not on being created by web content.Quest Browser: Before Quest Browser 18.0, script-closeability depended on having an opener, not on being created by web content.Samsung Internet: Before Samsung Internet 17.0, script-closeability depended on having an opener, not on being created by web content.WebView Android: Before WebView Android 95, script-closeability depended on having an opener, not on being created by web content.
api.Window.closed 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.confirm 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Chrome Android: Starting with Chrome Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Quest Browser: Starting with Quest Browser 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera Android: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Samsung Internet: Starting with Samsung Internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.WebView Android: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.
api.Window.devicePixelRatio 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Safari: In Safari, the devicePixelRatio does not change when the page is zoomed. See bug 124862.Safari on iOS: In Safari on iOS, the devicePixelRatio does not change when the page is zoomed. See bug 124862.WebView on iOS: In WebView on iOS, the devicePixelRatio does not change when the page is zoomed. See bug 124862.
api.Window.document 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.find Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.focus 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting in Chrome 66, opening a popup in fullscreen mode and calling this function will end fullscreen mode.
api.Window.frameElement 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.frames 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.getComputedStyle 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before version 62 this function returned null when called on a Window with no presentation (e.g. an iframe with display: none; set). Since 62 it returns a CSSStyleDeclaration object with length 0, containing empty strings (bug 1467722; also see bug 1471231 for further work).Firefox for Android: Before version 62 this function returned null when called on a Window with no presentation (e.g. an iframe with display: none; set). Since 62 it returns a CSSStyleDeclaration object with length 0, containing empty strings (bug 1467722; also see bug 1471231 for further work).
api.Window.getSelection 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.history 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.innerHeight 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From version 4 to 24, this property could give a wrong value before page load in certain circumstances (see bug 641188).Firefox for Android: Before version 24, this property could give a wrong value before page load in certain circumstances (see bug 641188).Safari on iOS: This property returns the height of the visual viewport instead of the layout viewport. See bug 174362 for details.WebView on iOS: This property returns the height of the visual viewport instead of the layout viewport. See bug 174362 for details.
api.Window.innerWidth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: From version 4 to 24, this property could give a wrong value before page load in certain circumstances (see bug 641188).Firefox for Android: Before version 24, this property could give a wrong value before page load in certain circumstances (see bug 641188).Safari on iOS: This property returns the width of the visual viewport instead of the layout viewport. See bug 174362 for details.WebView on iOS: This property returns the width of the visual viewport instead of the layout viewport. See bug 174362 for details.
api.Window.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.load_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.location 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Deno: Reflects the value passed via the --location runtime flag.Firefox: Before Firefox 57, single quotes contained in URLs were escaped when accessed via URL APIs. See bug 1386683.Firefox for Android: Before Firefox for Android 57, single quotes contained in URLs were escaped when accessed via URL APIs. See bug 1386683.
api.Window.locationbar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.menubar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.moveBy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.moveTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 86, if a new page from another domain is loaded into a tab, then window.name is not set to an empty string, which can allow some cross-site attacks. See bug 1685089 and bug 444222.Firefox for Android: Before Firefox for Android 86, if a new page from another domain is loaded into a tab, then window.name is not set to an empty string, which can allow some cross-site attacks. See bug 1685089 and bug 444222.
api.Window.navigator 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.open 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Safari on iOS: This method will not function if the target parameter is unspecified or set to _blank.WebView on iOS: This method will not function if the target parameter is unspecified or set to _blank.
api.Window.opener 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.parent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.personalbar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.print 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Chrome Android: Starting with Chrome Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Quest Browser: Starting with Quest Browser 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera Android: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Samsung Internet: Starting with Samsung Internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.WebView Android: Starting with WebView Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.
api.Window.prompt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Starting with Chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Chrome Android: Starting with Chrome Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Firefox: Firefox strips newline characters from the prompt response; see bug 1716229.Firefox for Android: Firefox for Android strips newline characters from the prompt response; see bug 1716229.Internet Explorer: This function has no effect in the Modern UI/Metro version of Internet Explorer for Windows 8. It does not display a prompt to the user, and always returns undefined. It is not clear whether this is a bug or intended behavior. Desktop versions of IE do implement this function.Quest Browser: Starting with Quest Browser 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Opera Android: Starting with Opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.Samsung Internet: Starting with Samsung Internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.WebView Android: Starting with WebView Android 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.
api.Window.releaseEvents 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.resizeBy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Since Firefox 7, it's no longer possible for a web site to change the default size of a window in a browser if the window wasn't created by window.open or contains more than one tab. See here for more details.
api.Window.resizeTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Since Firefox 7, it's no longer possible for a web site to change the default size of a window in a browser if the window wasn't created by window.open or contains more than one tab. See here for more details.
api.Window.resize_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: Chrome does not fire a resize event on page load.Chrome Android: Chrome Android does not fire a resize event on page load.Edge: Before Edge 79, Edge fired a resize event on page load. This is no longer the case.Firefox: Before Firefox 68, Firefox fired a resize event on page load. This is no longer the case.Firefox for Android: Before Firefox for Android 68, Firefox for Android fired a resize event on page load. This is no longer the case.Quest Browser: Quest Browser does not fire a resize event on page load.Opera: Opera does not fire a resize event on page load.Opera Android: Opera does not fire a resize event on page load.Samsung Internet: Samsung Internet does not fire a resize event on page load.WebView Android: WebView does not fire a resize event on page load.
api.Window.screen 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.screenLeft 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.screenTop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.screenX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 28, Gecko was using device pixels instead of CSS pixels; in other words, it was assuming a value of screenPixelsPerCSSPixel of 1 for any device.Firefox for Android: Before Firefox for Android 28, Gecko was using device pixels instead of CSS pixels; in other words, it was assuming a value of screenPixelsPerCSSPixel of 1 for any device.
api.Window.screenY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 28, Gecko was using device pixels instead of CSS pixels; in other words, it was assuming a value of screenPixelsPerCSSPixel of 1 for any device.Firefox for Android: Before Firefox for Android 28, Gecko was using device pixels instead of CSS pixels; in other words, it was assuming a value of screenPixelsPerCSSPixel of 1 for any device.
api.Window.scroll 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.scrollBy 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.scrollTo 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.scrollX 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.scrollY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.scrollbars 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.self 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.status 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.statusbar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.stop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.toolbar 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.top 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting in Firefox 6, this property is read only, as defined by the standard.
api.Window.unload_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.Window.window 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Implemented via ActiveXObject('Microsoft.XMLHTTP')
api.XMLHttpRequest.XMLHttpRequest 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.abort 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.abort_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.error_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.getAllResponseHeaders 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting from Firefox 49, empty headers are returned as empty strings in case the preference network.http.keep_empty_response_headers_as_empty_string is set to true, defaulting to false. Before Firefox 49 empty headers had been ignored. Since Firefox 50 the preference defaults to true.Firefox for Android: Starting from Firefox for Android 49, empty headers are returned as empty strings in case the preference network.http.keep_empty_response_headers_as_empty_string is set to true, defaulting to false. Before Firefox for Android 49 empty headers had been ignored. Since Firefox for Android 50 the preference defaults to true.
api.XMLHttpRequest.getResponseHeader 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting from Firefox 49, empty headers are returned as empty strings in case the preference network.http.keep_empty_response_headers_as_empty_string is set to true, defaulting to false. Before Firefox 49 empty headers had been ignored. Since Firefox 50 the preference defaults to true.Firefox for Android: Starting from Firefox for Android 49, empty headers are returned as empty strings in case the preference network.http.keep_empty_response_headers_as_empty_string is set to true, defaulting to false. Before Firefox for Android 49 empty headers had been ignored. Since Firefox for Android 50 the preference defaults to true.
api.XMLHttpRequest.load_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.loadstart_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.open 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting in Firefox 30, synchronous requests on the main thread have been deprecated due to their negative impact on performance and the user experience. Therefore, the async parameter may not be false except in a Worker.Firefox for Android: Starting in Firefox for Android 30, synchronous requests on the main thread have been deprecated due to their negative impact on performance and the user experience. Therefore, the async parameter may not be false except in a Worker.
api.XMLHttpRequest.overrideMimeType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Implemented via ActiveXObject
api.XMLHttpRequest.progress_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.readyState 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.readystatechange_event 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.responseText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Before Internet Explorer 10, the value of XMLHttpRequest.responseText could be read only once the request was complete.
api.XMLHttpRequest.responseXML 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Before Firefox 51, an error parsing the received data added a <parsererror> node to the top of the Document and then returned the Document in whatever state it happens to be in. This was inconsistent with the specification. Starting with Firefox 51, this scenario now correctly returns null as per the spec.Firefox for Android: Before Firefox for Android 51, an error parsing the received data added a <parsererror> node to the top of the Document and then returned the Document in whatever state it happens to be in. This was inconsistent with the specification. Starting with Firefox for Android 51, this scenario now correctly returns null as per the spec.
api.XMLHttpRequest.send 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.setRequestHeader 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLHttpRequest.status 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Internet Explorer version 5 and 6 supported ajax calls using ActiveXObject()
api.XMLHttpRequest.statusText 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: Internet Explorer version 5 and 6 supported ajax calls using ActiveXObject()
api.XMLHttpRequestEventTarget 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLSerializer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLSerializer.XMLSerializer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XMLSerializer.serializeToString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathEvaluator 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathEvaluator.XPathEvaluator 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathEvaluator.createExpression 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathEvaluator.createNSResolver 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathEvaluator.evaluate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathExpression 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathExpression.evaluate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.booleanValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.invalidIteratorState 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.iterateNext 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.numberValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.resultType 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.singleNodeValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.snapshotItem 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.snapshotLength 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XPathResult.stringValue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.XSLTProcessor 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.XSLTProcessor 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.clearParameters 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.getParameter 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Chrome: Chrome only supports string values.Chrome Android: Chrome Android only supports string values.Edge: Edge only supports string values.Quest Browser: Quest Browser only supports string values.Opera: Opera only supports string values.Opera Android: Opera only supports string values.Safari: Safari only supports string values.Safari on iOS: Safari on iOS only supports string values.Samsung Internet: Samsung Internet only supports string values.WebView Android: WebView only supports string values.WebView on iOS: WebView on iOS only supports string values.
api.XSLTProcessor.importStylesheet 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.removeParameter 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.reset 📋Safari on iOS7/11/2008 Chrome12/11/2008153
api.XSLTProcessor.setParameter 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Chrome: Chrome only supports string values.Chrome Android: Chrome Android only supports string values.Edge: Edge only supports string values.Quest Browser: Quest Browser only supports string values.Opera: Opera only supports string values.Opera Android: Opera only supports string values.Safari: Safari only supports string values.Safari on iOS: Safari on iOS only supports string values.Samsung Internet: Samsung Internet only supports string values.WebView Android: WebView only supports string values.WebView on iOS: WebView on iOS only supports string values.
api.XSLTProcessor.transformToDocument 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Chrome: Chrome returns null if an error occurs.Chrome Android: Chrome Android returns null if an error occurs.Edge: Edge returns null if an error occurs.Firefox: Firefox throws an exception if an error occurs.Firefox for Android: Firefox for Android throws an exception if an error occurs.Quest Browser: Quest Browser returns null if an error occurs.Opera: Opera 12.1 and earlier throws an exception if an error occurs.Opera: Opera 15 and later returns null if an error occurs.Opera Android: Opera Android 12.1 and earlier throws an exception if an error occurs.Opera Android: Opera Android 14 and later returns null if an error occurs.Safari: Safari returns null if an error occurs.Safari on iOS: Safari on iOS returns null if an error occurs.Samsung Internet: Samsung Internet returns null if an error occurs.WebView Android: WebView returns null if an error occurs.WebView on iOS: WebView on iOS returns null if an error occurs.
api.XSLTProcessor.transformToFragment 📋Safari on iOS7/11/2008 Chrome12/11/2008153
Chrome: Chrome returns null if an error occurs.Chrome Android: Chrome Android returns null if an error occurs.Edge: Edge returns null if an error occurs.Firefox: Firefox throws an exception if an error occurs.Firefox for Android: Firefox for Android throws an exception if an error occurs.Quest Browser: Quest Browser returns null if an error occurs.Opera: Opera 12.1 and earlier throws an exception if an error occurs.Opera: Opera 15 and later returns null if an error occurs.Opera Android: Opera Android 12.1 and earlier throws an exception if an error occurs.Opera Android: Opera Android 14 and later returns null if an error occurs.Safari: Safari returns null if an error occurs.Safari on iOS: Safari on iOS returns null if an error occurs.Samsung Internet: Samsung Internet returns null if an error occurs.WebView Android: WebView returns null if an error occurs.WebView on iOS: WebView on iOS returns null if an error occurs.
api.clearInterval 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: From Internet Explorer 4 through 8, clearInterval is an Object rather than a Function. This behavior was fixed in Internet Explorer 9.Node.js: Takes a Timeout object instead of the intervalID.
api.clearTimeout 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: From Internet Explorer 4 through 8, clearTimeout is an Object rather than a Function. This behavior was fixed in Internet Explorer 9.Node.js: Takes a Timeout object instead of the timeoutID.
api.console 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: In Internet Explorer 8 and 9, the console object is undefined when the developer tools are not open. This behavior was fixed in Internet Explorer 10.
api.console.error_static 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.console.info_static 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Alias for console.log
api.console.log_static 📋Safari on iOS6/29/2007 Chrome12/11/2008531
api.console.substitution_strings Safari on iOS6/29/2007 Chrome12/11/2008531
Chrome: In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.Chrome Android: In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.Deno: Before Deno 1.4, %c is not supported.Deno: %c only supports CSS properties color, background-color, font-weight, font-style, text-decoration-color, and text-decoration-line.Edge: Before Edge 79, %c is not supported.Edge: Before Edge 79, %d outputs a 0 if the specified value isn't a number.Internet Explorer: %c is not supported.Internet Explorer: %d outputs a 0 if the specified value isn't a number.Quest Browser: In version 5.0, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.Samsung Internet: In Samsung Internet 1.5, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.WebView Android: In version 4.4, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.
api.console.warn_static 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Alias for console.error
api.setInterval 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Returns a Timeout object instead of the intervalID.Node.js: Does not support passing a code string and throws when the first parameter is not a function.
api.setInterval.supports_parameters_for_callback Safari on iOS6/29/2007 Chrome12/11/2008531
api.setTimeout 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: Returns a Timeout object instead of the timeoutID.Node.js: Does not support passing a code string and throws when the first parameter is not a function.
api.setTimeout.supports_parameters_for_callback Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.Array 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.concat 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.every 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.filter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.forEach 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.indexOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.join 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.lastIndexOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.map 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.pop 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.push 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.reverse 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.shift 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.slice 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.some 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.sort 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.splice 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: From Internet Explorer 5.5 through 8, all elements of the array will not be deleted if deleteCount is omitted. This behavior was fixed in Internet Explorer 9.
javascript.builtins.Array.toLocaleString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Array.unshift 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Boolean 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Boolean.Boolean 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Boolean.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Boolean.valueOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: The ISO8601 Date Format is not supported in Internet Explorer 8 or earlier.
javascript.builtins.Date.Date 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.UTC 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getDate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getDay 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getFullYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getHours 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getMilliseconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getMinutes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getMonth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getSeconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getTime 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getTimezoneOffset 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCDate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCDay 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCFullYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCHours 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCMilliseconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCMinutes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCMonth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getUTCSeconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.getYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.parse 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setDate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setFullYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setHours 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setMilliseconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setMinutes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setMonth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setSeconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setTime 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCDate 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCFullYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCHours 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCMilliseconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCMinutes 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCMonth 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setUTCSeconds 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.setYear 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toDateString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toGMTString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toLocaleDateString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toLocaleString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toLocaleTimeString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toTimeString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.toUTCString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Date.valueOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Error 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Error.Error 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Error.message 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Error.name 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Error.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.EvalError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.EvalError.EvalError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.Function 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.apply 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.arguments Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.call 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Node.js: When calling this method, thisArg does not default to the global object.
javascript.builtins.Function.caller Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Function.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Infinity 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.E 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.LN10 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.LN2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.LOG10E 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.LOG2E 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.PI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.SQRT1_2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.SQRT2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.abs 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.acos 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.asin 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.atan 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.atan2 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.ceil 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.cos 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.exp 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.floor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.log 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.max 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.min 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.pow 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.random 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.round 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.sin 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.sqrt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Math.tan 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.NaN 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.MAX_VALUE 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.MIN_VALUE 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.NEGATIVE_INFINITY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.NaN 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.Number 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.POSITIVE_INFINITY 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.toExponential 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.toFixed 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.toLocaleString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Edge: Before Edge 18, numbers are rounded to 15 decimal digits. For example, (1000000000000005).toLocaleString('en-US') returns "1,000,000,000,000,010".Internet Explorer: In Internet Explorer 11, numbers are rounded to 15 decimal digits. For example, (1000000000000005).toLocaleString('en-US') returns "1,000,000,000,000,010".
javascript.builtins.Number.toPrecision 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Number.valueOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.Object 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.constructor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.defineGetter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting with Firefox 48, this method can no longer be called at the global scope without any object. A TypeError will be thrown otherwise. Previously, the global object was used in these cases automatically, but this is no longer the case.
javascript.builtins.Object.defineSetter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting with Firefox 48, this method can no longer be called at the global scope without any object. A TypeError will be thrown otherwise. Previously, the global object was used in these cases automatically, but this is no longer the case.
javascript.builtins.Object.hasOwnProperty 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.isPrototypeOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.lookupGetter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.lookupSetter 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.propertyIsEnumerable 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.proto 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.toLocaleString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.Object.valueOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RangeError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RangeError.RangeError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.ReferenceError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.ReferenceError.ReferenceError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.RegExp 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.compile 📋Safari on iOS7/11/2008 Chrome12/11/2008153
javascript.builtins.RegExp.exec 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.global 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.ignoreCase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.input 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.lastIndex 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.lastMatch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.lastParen 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.leftContext 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.multiline 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.n 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.rightContext 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.source 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.test 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.RegExp.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.String 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.anchor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Firefox: Starting with version 17, the quotation mark (") is replaced by its HTML reference character (") in strings supplied for the name parameter.
javascript.builtins.String.big 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.blink 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.bold 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.charAt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.charCodeAt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.concat 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.fixed 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.fontcolor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.fontsize 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.fromCharCode 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.indexOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.italics 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.lastIndexOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.link 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.localeCompare 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.match 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.replace 📋Safari on iOS6/29/2007 Chrome12/11/2008531
Internet Explorer: A replacement function as second argument is not supported.
javascript.builtins.String.search 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.slice 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.small 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.split 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.strike 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.sub 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.substr 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.substring 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.sup 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.toLocaleLowerCase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.toLocaleUpperCase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.toLowerCase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.toString 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.toUpperCase 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.unicode_code_point_escapes Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.String.valueOf 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.SyntaxError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.SyntaxError.SyntaxError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.TypeError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.TypeError.TypeError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.URIError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.URIError.URIError 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.decodeURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.decodeURIComponent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.encodeURI 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.encodeURIComponent 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.escape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.eval 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.isFinite 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.isNaN 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.parseFloat 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.parseInt 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.undefined 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.builtins.unescape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions.arguments 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions.arguments.callee 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions.arguments.length 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions.get 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.functions.set 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.array_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.boolean_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.decimal_numeric_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.hexadecimal_escape_sequences 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.hexadecimal_numeric_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.null_literal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.regular_expression_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.string_literals 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.trailing_commas 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.trailing_commas.trailing_commas_in_object_literals Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.grammar.unicode_escape_sequences 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.addition 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.addition_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_and 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_and_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_not 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_or 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_or_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_xor 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.bitwise_xor_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.comma 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.conditional 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.delete 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.division 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.division_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.equality 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.function 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.greater_than 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.greater_than_or_equal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.grouping 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.in 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.inequality 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.instanceof 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.left_shift 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.left_shift_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.less_than 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.less_than_or_equal 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.logical_and 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.logical_not 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.logical_or 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.multiplication 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.multiplication_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.new 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.null 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.object_initializer 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.property_accessors 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.remainder 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.remainder_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.right_shift 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.right_shift_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.strict_equality 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.strict_inequality 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.subtraction 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.subtraction_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.this 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.typeof 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.unary_negation 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.unary_plus 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.unsigned_right_shift 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.operators.unsigned_right_shift_assignment 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.backreference 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.capturing_group 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.character_class 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.character_class_escape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.character_escape 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.disjunction 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.input_boundary_assertion 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.literal_character 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.lookahead_assertion 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.non_capturing_group 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.quantifier 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.wildcard 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.regular_expressions.word_boundary_assertion 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.block 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.break 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.continue 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.do_while 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.for 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.for_in 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.function 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.if_else 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.label 📋Safari on iOS6/29/2007 Chrome12/11/2008531
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javascript.statements.switch 📋Safari on iOS6/29/2007 Chrome12/11/2008531
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javascript.statements.var 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.while 📋Safari on iOS6/29/2007 Chrome12/11/2008531
javascript.statements.with 📋Safari on iOS6/29/2007 Chrome12/11/2008531