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

Stable APIs

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

2025/2

API	First Browser	Date	Last Browser	Date	Days
api.ClipboardItem.ClipboardItem 📋	Safari	3/24/2020	Chrome	2/4/2025	1778
api.PerformanceResourceTiming.responseStart 📋	Firefox	1/13/2015	Chrome	2/4/2025	3675
api.PublicKeyCredential.getClientCapabilities_static 📋	Safari	3/5/2024	Firefox	2/4/2025	336
api.RTCStatsReport.type_inbound-rtp.mid 📋	Chrome	9/2/2022	Firefox	2/4/2025	886
api.SubtleCrypto.deriveBits.x25519 📋	Safari	9/18/2023	Chrome	2/4/2025	505
api.SubtleCrypto.deriveKey.x25519 📋	Safari	9/18/2023	Chrome	2/4/2025	505
api.SubtleCrypto.exportKey.x25519 📋	Safari	9/18/2023	Chrome	2/4/2025	505
api.SubtleCrypto.generateKey.x25519 📋	Safari	9/18/2023	Chrome	2/4/2025	505
api.SubtleCrypto.importKey.x25519 📋	Safari	9/18/2023	Chrome	2/4/2025	505

2025/1

API	First Browser	Date	Last Browser	Date	Days
api.IDBRequest.error.transient_unrecoverable_read_errors 📋	Firefox	7/17/2012	Chrome	1/14/2025	4564
api.PushMessageData.bytes 📋	Firefox	7/9/2024	Chrome	1/14/2025	189
api.Request.bytes 📋	Firefox	7/9/2024	Chrome	1/14/2025	189
api.Response.bytes 📋	Firefox	7/9/2024	Chrome	1/14/2025	189
api.PushManager.supportedContentEncodings_static 📋	Chrome	7/25/2017	Firefox	1/7/2025	2723
javascript.builtins.Promise.try 📋	Chrome	8/20/2024	Firefox	1/7/2025	140

2024/12

API	First Browser	Date	Last Browser	Date	Days
api.CSSNestedDeclarations 📋	Chrome	10/15/2024	Safari	12/11/2024	57
api.CSSNestedDeclarations.style 📋	Chrome	10/15/2024	Safari	12/11/2024	57
api.Element.auxclick_event 📋	Chrome	12/1/2016	Safari	12/11/2024	2932
api.PointerEvent.PointerEvent.options_altitudeAngle_parameter	Chrome	10/20/2020	Safari	12/11/2024	1513
api.PointerEvent.PointerEvent.options_azimuthAngle_parameter	Chrome	10/20/2020	Safari	12/11/2024	1513
api.PointerEvent.altitudeAngle 📋	Chrome	10/20/2020	Safari	12/11/2024	1513
api.PointerEvent.azimuthAngle 📋	Chrome	10/20/2020	Safari	12/11/2024	1513
api.PointerEvent.getCoalescedEvents 📋	Chrome	4/19/2017	Safari	12/11/2024	2793
api.PointerEvent.getPredictedEvents 📋	Chrome	9/10/2019	Safari	12/11/2024	1919
css.at-rules.page 📋	Chrome	5/21/2009	Safari	12/11/2024	5683
css.at-rules.page.size 📋	Chrome	10/25/2011	Safari	12/11/2024	4796
css.at-rules.page.size.jis-b4 📋	Chrome	5/19/2020	Safari	12/11/2024	1667
css.at-rules.page.size.jis-b5 📋	Chrome	5/19/2020	Safari	12/11/2024	1667
css.properties.line-clamp 📋	Chrome	9/2/2010	Safari	12/11/2024	5214
css.properties.ruby-align 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-align.center 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-align.space-around 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-align.space-between 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-align.start 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-position 📋	Firefox	5/12/2015	Safari	12/11/2024	3501
css.properties.ruby-position.over	Firefox	1/7/2020	Safari	12/11/2024	1800
css.properties.ruby-position.under	Firefox	1/7/2020	Safari	12/11/2024	1800
css.properties.scrollbar-gutter 📋	Chrome	9/21/2021	Safari	12/11/2024	1177
css.properties.scrollbar-gutter.auto 📋	Chrome	9/21/2021	Safari	12/11/2024	1177
css.properties.scrollbar-gutter.stable 📋	Chrome	9/21/2021	Safari	12/11/2024	1177
css.properties.scrollbar-width 📋	Firefox	12/11/2018	Safari	12/11/2024	2192
css.properties.scrollbar-width.auto 📋	Firefox	12/11/2018	Safari	12/11/2024	2192
css.properties.scrollbar-width.none 📋	Firefox	12/11/2018	Safari	12/11/2024	2192
css.properties.scrollbar-width.thin 📋	Firefox	12/11/2018	Safari	12/11/2024	2192
css.properties.text-underline-offset.percentage 📋	Firefox	3/10/2020	Safari	12/11/2024	1737
css.properties.text-underline-position.left	Chrome	12/4/2018	Safari	12/11/2024	2199
css.properties.text-underline-position.right	Chrome	12/4/2018	Safari	12/11/2024	2199
css.selectors.target-text 📋	Chrome	3/2/2021	Safari	12/11/2024	1380

2024/11

API	First Browser	Date	Last Browser	Date	Days
api.EventSource.worker_support	Safari	6/7/2010	Firefox	11/26/2024	5286
api.HTMLMediaElement.waitingforkey_event 📋	Chrome	12/1/2016	Firefox	11/26/2024	2917
api.Request.Request.init_keepalive_parameter 📋	Chrome	4/17/2018	Firefox	11/26/2024	2415
api.Request.keepalive 📋	Chrome	4/17/2018	Firefox	11/26/2024	2415
api.WorkerNavigator.permissions 📋	Chrome	5/19/2015	Firefox	11/26/2024	3479
api.fetch.init_keepalive_parameter	Chrome	4/17/2018	Firefox	11/26/2024	2415
css.properties.font-variant-emoji 📋	Firefox	12/13/2022	Chrome	11/12/2024	700

2024/10

API	First Browser	Date	Last Browser	Date	Days
api.HTMLImageElement.fetchPriority 📋	Chrome	5/24/2022	Firefox	10/29/2024	889
api.HTMLLinkElement.fetchPriority 📋	Chrome	5/24/2022	Firefox	10/29/2024	889
api.HTMLScriptElement.fetchPriority 📋	Chrome	5/24/2022	Firefox	10/29/2024	889
api.HTMLVideoElement.cancelVideoFrameCallback 📋	Chrome	5/19/2020	Firefox	10/29/2024	1624
api.HTMLVideoElement.requestVideoFrameCallback 📋	Chrome	5/19/2020	Firefox	10/29/2024	1624
api.MediaStreamTrack.getCapabilities 📋	Chrome	6/5/2017	Firefox	10/29/2024	2703
api.Notification.silent 📋	Chrome	5/19/2015	Firefox	10/29/2024	3451
api.Permissions.permission_camera	Chrome	1/23/2018	Firefox	10/29/2024	2471
api.Permissions.permission_microphone	Chrome	1/23/2018	Firefox	10/29/2024	2471
api.Request.Request.init_priority_parameter 📋	Chrome	4/26/2022	Firefox	10/29/2024	917
api.WebGL2RenderingContext.drawingBufferColorSpace 📋	Chrome	8/2/2022	Firefox	10/29/2024	819
api.WebGLRenderingContext.drawingBufferColorSpace 📋	Chrome	8/2/2022	Firefox	10/29/2024	819
html.elements.img.fetchpriority 📋	Chrome	4/26/2022	Firefox	10/29/2024	917
html.elements.link.fetchpriority 📋	Chrome	4/26/2022	Firefox	10/29/2024	917
html.elements.script.fetchpriority 📋	Chrome	4/26/2022	Firefox	10/29/2024	917
css.properties.box-decoration-break 📋	Safari	10/22/2013	Chrome	10/15/2024	4011
css.properties.box-decoration-break.clone 📋	Safari	10/22/2013	Chrome	10/15/2024	4011
css.properties.box-decoration-break.slice 📋	Safari	10/22/2013	Chrome	10/15/2024	4011
css.properties.text-wrap.stable 📋	Firefox	12/19/2023	Chrome	10/15/2024	301
css.properties.text-wrap-mode 📋	Safari	3/5/2024	Chrome	10/15/2024	224
css.properties.text-wrap-mode.nowrap	Safari	3/5/2024	Chrome	10/15/2024	224
css.properties.text-wrap-mode.wrap	Safari	3/5/2024	Chrome	10/15/2024	224
css.properties.text-wrap-style 📋	Firefox	3/19/2024	Chrome	10/15/2024	210
css.properties.text-wrap-style.auto 📋	Firefox	3/19/2024	Chrome	10/15/2024	210
css.properties.text-wrap-style.balance 📋	Firefox	3/19/2024	Chrome	10/15/2024	210
css.properties.text-wrap-style.stable 📋	Firefox	3/19/2024	Chrome	10/15/2024	210
html.elements.a.text_fragments	Chrome	2/4/2020	Firefox	10/1/2024	1701

2024/9

API	First Browser	Date	Last Browser	Date	Days
api.RTCDataChannel.binaryType.blob_value	Firefox	6/25/2013	Chrome	9/17/2024	4102
api.ContentVisibilityAutoStateChangeEvent 📋	Chrome	11/29/2022	Safari	9/16/2024	657
api.ContentVisibilityAutoStateChangeEvent.ContentVisibilityAutoStateChangeEvent 📋	Chrome	11/29/2022	Safari	9/16/2024	657
api.ContentVisibilityAutoStateChangeEvent.skipped 📋	Chrome	11/29/2022	Safari	9/16/2024	657
api.Element.ariaBrailleLabel 📋	Chrome	10/25/2022	Safari	9/16/2024	692
api.Element.ariaBrailleRoleDescription 📋	Chrome	10/25/2022	Safari	9/16/2024	692
api.Element.contentvisibilityautostatechange_event 📋	Chrome	11/29/2022	Safari	9/16/2024	657
api.Element.getHTML 📋	Chrome	5/14/2024	Safari	9/16/2024	125
api.ElementInternals.ariaBrailleLabel 📋	Chrome	10/25/2022	Safari	9/16/2024	692
api.ElementInternals.ariaBrailleRoleDescription 📋	Chrome	10/25/2022	Safari	9/16/2024	692
api.GeolocationCoordinates.toJSON 📋	Chrome	6/11/2024	Safari	9/16/2024	97
api.GeolocationPosition.toJSON 📋	Chrome	6/11/2024	Safari	9/16/2024	97
api.HTMLCanvasElement.getContext.2d_context.options_willReadFrequently_parameter 📋	Firefox	3/18/2014	Safari	9/16/2024	3835
api.HTMLTemplateElement.shadowRootClonable 📋	Chrome	4/16/2024	Safari	9/16/2024	153
api.HTMLTemplateElement.shadowRootDelegatesFocus 📋	Firefox	2/20/2024	Safari	9/16/2024	209
api.HTMLTemplateElement.shadowRootSerializable 📋	Chrome	5/14/2024	Safari	9/16/2024	125
api.Navigator.cookieEnabled 📋	Firefox	11/9/2004	Safari	9/16/2024	7251
api.ShadowRoot.getHTML 📋	Chrome	5/14/2024	Safari	9/16/2024	125
api.ShadowRoot.serializable 📋	Chrome	5/14/2024	Safari	9/16/2024	125
api.URL.parse_static 📋	Firefox	5/14/2024	Safari	9/16/2024	125
css.properties.backdrop-filter 📋	Chrome	7/30/2019	Safari	9/16/2024	1875
css.properties.content-visibility 📋	Chrome	8/25/2020	Safari	9/16/2024	1483
css.properties.content-visibility.auto 📋	Chrome	8/25/2020	Safari	9/16/2024	1483
css.properties.content-visibility.hidden 📋	Chrome	8/25/2020	Safari	9/16/2024	1483
css.properties.content-visibility.visible 📋	Chrome	8/25/2020	Safari	9/16/2024	1483
css.properties.offset-path.basic_shape 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.border-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.content-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.fill-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.none 📋	Firefox	1/7/2020	Safari	9/16/2024	1714
css.properties.offset-path.padding-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.stroke-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.properties.offset-path.view-box 📋	Chrome	8/15/2023	Safari	9/16/2024	398
css.types.color.color.relative_syntax 📋	Chrome	10/31/2023	Safari	9/16/2024	321
css.types.color.hsl.mixed_type_parameters	Chrome	1/23/2024	Safari	9/16/2024	237
css.types.color.hsl.relative_syntax 📋	Chrome	5/14/2024	Safari	9/16/2024	125
css.types.color.hwb.mixed_type_parameters	Chrome	1/23/2024	Safari	9/16/2024	237
css.types.color.hwb.relative_syntax 📋	Chrome	5/14/2024	Safari	9/16/2024	125
css.types.color.lch.relative_syntax 📋	Chrome	10/31/2023	Safari	9/16/2024	321
css.types.color.oklch.relative_syntax 📋	Chrome	10/31/2023	Safari	9/16/2024	321
css.types.color.rgb.mixed_type_parameters	Firefox	5/9/2023	Safari	9/16/2024	496
css.types.color.rgb.relative_syntax 📋	Chrome	2/20/2024	Safari	9/16/2024	209
api.EncodedVideoChunk 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.EncodedVideoChunk 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.byteLength 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.copyTo 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.duration 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.timestamp 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.EncodedVideoChunk.type 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.HTMLDetailsElement.name 📋	Chrome	12/5/2023	Firefox	9/3/2024	273
api.VideoColorSpace 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.VideoColorSpace 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.fullRange 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.matrix 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.primaries 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.toJSON 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoColorSpace.transfer 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.VideoDecoder 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.close 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.configure 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.decode 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.decodeQueueSize 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.dequeue_event 📋	Chrome	9/27/2022	Firefox	9/3/2024	707
api.VideoDecoder.flush 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.isConfigSupported_static 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.reset 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoDecoder.state 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.VideoEncoder 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.close 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.configure 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.dequeue_event 📋	Chrome	9/27/2022	Firefox	9/3/2024	707
api.VideoEncoder.encode 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.encodeQueueSize 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.flush 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.isConfigSupported_static 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.reset 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoEncoder.state 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.VideoFrame 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.allocationSize 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.clone 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.close 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.codedHeight 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.codedRect 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.codedWidth 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.colorSpace 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.copyTo 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.displayHeight 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.displayWidth 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.duration 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.format 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.timestamp 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
api.VideoFrame.visibleRect 📋	Chrome	9/21/2021	Firefox	9/3/2024	1078
css.properties.hyphens.language_czech	Safari	3/21/2016	Firefox	9/3/2024	3088
html.elements.details.name	Chrome	12/5/2023	Firefox	9/3/2024	273

2024/8

API	First Browser	Date	Last Browser	Date	Days
api.MediaSession.setActionHandler.skipad_type	Firefox	10/20/2020	Chrome	8/20/2024	1400
api.CSSStartingStyleRule 📋	Chrome	9/12/2023	Firefox	8/6/2024	329
api.RTCDTMFSender.canInsertDTMF 📋	Chrome	5/21/2013	Firefox	8/6/2024	4095
api.SubtleCrypto.exportKey.ed25519 📋	Chrome	5/2/2023	Firefox	8/6/2024	462
api.SubtleCrypto.generateKey.ed25519 📋	Chrome	5/2/2023	Firefox	8/6/2024	462
api.SubtleCrypto.importKey.ed25519 📋	Chrome	5/2/2023	Firefox	8/6/2024	462
api.SubtleCrypto.sign.ed25519 📋	Chrome	5/2/2023	Firefox	8/6/2024	462
api.SubtleCrypto.verify.ed25519 📋	Chrome	5/2/2023	Firefox	8/6/2024	462
api.TextEvent 📋	Safari	10/26/2007	Firefox	8/6/2024	6129
api.TextEvent.data 📋	Safari	10/26/2007	Firefox	8/6/2024	6129
api.TextEvent.initTextEvent 📋	Safari	10/26/2007	Firefox	8/6/2024	6129
css.at-rules.starting-style 📋	Chrome	9/12/2023	Firefox	8/6/2024	329
css.properties.transition.transition-behavior	Chrome	9/12/2023	Firefox	8/6/2024	329
css.properties.transition-behavior 📋	Chrome	9/12/2023	Firefox	8/6/2024	329
javascript.regular_expressions.named_capturing_group.duplicate_named_capturing_groups	Safari	9/18/2023	Firefox	8/6/2024	323

2024/7

API	First Browser	Date	Last Browser	Date	Days
css.properties.align-content.flex_context.safe_unsafe	Firefox	10/23/2018	Safari	7/29/2024	2106
css.properties.align-items.flex_context.safe_unsafe	Firefox	10/23/2018	Safari	7/29/2024	2106
css.properties.align-self.flex_context.safe_unsafe	Firefox	10/23/2018	Safari	7/29/2024	2106
css.properties.justify-content.flex_context.safe_unsafe	Firefox	10/23/2018	Safari	7/29/2024	2106
css.properties.font-size-adjust 📋	Firefox	6/17/2008	Chrome	7/23/2024	5880
css.properties.font-size-adjust.from-font 📋	Safari	9/18/2023	Chrome	7/23/2024	309
css.properties.font-size-adjust.none 📋	Firefox	6/17/2008	Chrome	7/23/2024	5880
css.properties.font-size-adjust.two-values	Firefox	9/7/2021	Chrome	7/23/2024	1050
api.CSS.registerProperty_static 📋	Chrome	10/22/2019	Firefox	7/9/2024	1722
api.CSSPropertyRule 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
api.CSSPropertyRule.inherits 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
api.CSSPropertyRule.initialValue 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
api.CSSPropertyRule.name 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
api.CSSPropertyRule.syntax 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
api.CSSScopeRule 📋	Chrome	10/10/2023	Firefox	7/9/2024	273
api.CSSScopeRule.end 📋	Chrome	10/10/2023	Firefox	7/9/2024	273
api.CSSScopeRule.start 📋	Chrome	10/10/2023	Firefox	7/9/2024	273
api.Document.parseHTMLUnsafe_static 📋	Safari	3/5/2024	Firefox	7/9/2024	126
api.HTMLBaseElement.href.forbid_special_characters	Chrome	9/5/2017	Firefox	7/9/2024	2499
api.RTCRtpReceiver.getParameters 📋	Chrome	6/5/2017	Firefox	7/9/2024	2591
api.RTCRtpReceiver.getParameters.return_object_property_codecs 📋	Safari	9/19/2017	Firefox	7/9/2024	2485
api.RTCRtpSender.getParameters.return_object_property_codecs 📋	Safari	9/19/2017	Firefox	7/9/2024	2485
api.RTCRtpSender.setParameters.parameters_codecs_parameter 📋	Chrome	9/4/2018	Firefox	7/9/2024	2135
api.RTCRtpTransceiver.setCodecPreferences 📋	Chrome	7/30/2019	Firefox	7/9/2024	1806
css.at-rules.property 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
css.at-rules.property.inherits 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
css.at-rules.property.initial-value 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
css.at-rules.property.syntax 📋	Chrome	8/25/2020	Firefox	7/9/2024	1414
css.at-rules.scope 📋	Chrome	10/10/2023	Firefox	7/9/2024	273
css.properties.content.alt_text	Chrome	9/10/2019	Firefox	7/9/2024	1764
css.types.calc.color_component	Safari	3/27/2023	Firefox	7/9/2024	470
css.types.color.lab.relative_syntax 📋	Safari	3/27/2023	Firefox	7/9/2024	470
css.types.color.oklab.relative_syntax 📋	Safari	3/27/2023	Firefox	7/9/2024	470
javascript.builtins.ArrayBuffer.ArrayBuffer.maxByteLength_option 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.ArrayBuffer.maxByteLength 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.ArrayBuffer.resizable 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.ArrayBuffer.resize 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.SharedArrayBuffer.SharedArrayBuffer.maxByteLength_option 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.SharedArrayBuffer.grow 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.SharedArrayBuffer.growable 📋	Chrome	3/7/2023	Firefox	7/9/2024	490
javascript.builtins.SharedArrayBuffer.maxByteLength 📋	Chrome	3/7/2023	Firefox	7/9/2024	490

2024/6

API	First Browser	Date	Last Browser	Date	Days
api.Clipboard.read 📋	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.Clipboard.type_image-png	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.Clipboard.type_text-html	Safari	3/24/2020	Firefox	6/11/2024	1540
api.Clipboard.type_text-plain	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.Clipboard.write 📋	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.ClipboardItem 📋	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.ClipboardItem.getType 📋	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.ClipboardItem.types 📋	Chrome	7/30/2019	Firefox	6/11/2024	1778
api.VTTCue.text.all_html_character_references	Chrome	2/4/2020	Firefox	6/11/2024	1589
css.types.gradient.conic-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.conic-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.linear-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.linear-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.radial-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.radial-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-conic-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-conic-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-linear-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-linear-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-radial-gradient.hue_interpolation_method	Safari	12/13/2022	Firefox	6/11/2024	546
css.types.gradient.repeating-radial-gradient.interpolation_color_space	Safari	12/13/2022	Firefox	6/11/2024	546
html.elements.base.href.forbid_data_javascript_urls	Chrome	4/19/2017	Firefox	6/11/2024	2610
html.elements.link.rel.dns-prefetch 📋	Safari	6/7/2010	Firefox	6/11/2024	5118
javascript.builtins.Set.difference 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.intersection 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.isDisjointFrom 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.isSubsetOf 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.isSupersetOf 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.symmetricDifference 📋	Safari	9/18/2023	Firefox	6/11/2024	267
javascript.builtins.Set.union 📋	Safari	9/18/2023	Firefox	6/11/2024	267

2024/5

API	First Browser	Date	Last Browser	Date	Days
api.CustomStateSet 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.@@iterator 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.add 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.clear 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.delete 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.entries 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.forEach 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.has 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.keys 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.size 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.CustomStateSet.values 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.ElementInternals.states 📋	Chrome	4/13/2021	Firefox	5/14/2024	1127
api.IDBFactory.databases 📋	Chrome	1/29/2019	Firefox	5/14/2024	1932
api.IDBTransaction.durability 📋	Chrome	5/19/2020	Firefox	5/14/2024	1456
api.Navigator.wakeLock 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.RTCIceCandidate.address 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.component 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.foundation 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.port 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.priority 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.protocol 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.relatedAddress 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.relatedPort 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.tcpType 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.RTCIceCandidate.type 📋	Chrome	4/23/2019	Firefox	5/14/2024	1848
api.WakeLock 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WakeLock.request 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WakeLockSentinel 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WakeLockSentinel.release 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WakeLockSentinel.release_event 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WakeLockSentinel.released 📋	Chrome	11/17/2020	Firefox	5/14/2024	1274
api.WakeLockSentinel.type 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.WebSocket.WebSocket.url_parameter_http_https_relative	Safari	1/22/2024	Chrome	5/14/2024	113
css.properties.zoom 📋	Safari	3/18/2008	Firefox	5/14/2024	5901
css.selectors.state 📋	Safari	3/5/2024	Firefox	5/14/2024	70
css.types.mod 📋	Safari	3/14/2022	Chrome	5/14/2024	792
css.types.rem 📋	Safari	3/14/2022	Chrome	5/14/2024	792
css.types.round 📋	Safari	3/14/2022	Chrome	5/14/2024	792
html.elements.iframe.allow.screen-wake-lock 📋	Chrome	7/27/2020	Firefox	5/14/2024	1387
api.CSSImportRule.supportsText 📋	Firefox	6/6/2023	Safari	5/13/2024	342
css.properties.text-wrap.balance 📋	Chrome	5/30/2023	Safari	5/13/2024	349
css.types.color.light-dark 📋	Firefox	11/21/2023	Safari	5/13/2024	174

2024/4

API	First Browser	Date	Last Browser	Date	Days
api.AbortSignal.timeout_static 📋	Firefox	5/3/2022	Chrome	4/16/2024	714
api.Clipboard.readText 📋	Chrome	4/17/2018	Firefox	4/16/2024	2191
api.Element.attachShadow.options_clonable_parameter 📋	Firefox	2/20/2024	Chrome	4/16/2024	56
api.Element.setHTMLUnsafe 📋	Firefox	2/20/2024	Chrome	4/16/2024	56
api.HTMLButtonElement.popoverTargetAction 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLButtonElement.popoverTargetElement 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.beforetoggle_event 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.beforetoggle_event.popover_elements 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.hidePopover 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.popover 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.showPopover 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.togglePopover 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLElement.togglePopover.returns_boolean	Chrome	8/15/2023	Firefox	4/16/2024	245
api.HTMLElement.toggle_event.popover_elements 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLInputElement.popoverTargetAction 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.HTMLInputElement.popoverTargetElement 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
api.RTCDtlsTransport.iceTransport 📋	Chrome	1/29/2019	Firefox	4/16/2024	1904
api.RTCIceTransport 📋	Safari	9/19/2017	Firefox	4/16/2024	2401
api.RTCIceTransport.gatheringState 📋	Safari	9/19/2017	Firefox	4/16/2024	2401
api.RTCIceTransport.gatheringstatechange_event 📋	Chrome	6/4/2019	Firefox	4/16/2024	1778
api.RTCIceTransport.state 📋	Safari	9/19/2017	Firefox	4/16/2024	2401
api.RTCIceTransport.statechange_event 📋	Chrome	6/4/2019	Firefox	4/16/2024	1778
api.ShadowRoot.clonable 📋	Firefox	2/20/2024	Chrome	4/16/2024	56
api.ShadowRoot.setHTMLUnsafe 📋	Firefox	2/20/2024	Chrome	4/16/2024	56
css.properties.align-content.block_context 📋	Safari	3/5/2024	Firefox	4/16/2024	42
css.properties.direction.vertical_slider_direction	Safari	5/18/2023	Chrome	4/16/2024	334
css.properties.transform-box.content-box 📋	Safari	3/24/2020	Firefox	4/16/2024	1484
css.properties.transform-box.stroke-box 📋	Safari	3/24/2020	Firefox	4/16/2024	1484
css.properties.writing-mode.vertical_oriented_form_controls	Firefox	11/21/2023	Chrome	4/16/2024	147
css.selectors.backdrop.popover	Chrome	5/30/2023	Firefox	4/16/2024	322
css.selectors.popover-open 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
html.elements.button.popovertarget 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
html.elements.button.popovertargetaction 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
html.elements.input.popovertarget 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
html.elements.input.popovertargetaction 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
html.elements.input.type_range.vertical_orientation	Safari	5/18/2023	Chrome	4/16/2024	334
html.global_attributes.popover 📋	Chrome	5/30/2023	Firefox	4/16/2024	322
javascript.builtins.Intl.Segmenter 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segmenter.Segmenter 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segmenter.resolvedOptions 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segmenter.segment 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segmenter.supportedLocalesOf 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segments 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segments.@@iterator 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246
javascript.builtins.Intl.Segments.containing 📋	Chrome	11/17/2020	Firefox	4/16/2024	1246

2024/3

API	First Browser	Date	Last Browser	Date	Days
api.AbortSignal.any_static 📋	Chrome	8/15/2023	Firefox	3/19/2024	217
api.CSSKeyframesRule.length 📋	Firefox	1/17/2023	Chrome	3/19/2024	427
css.properties.paint-order 📋	Safari	9/19/2017	Chrome	3/19/2024	2373
css.properties.text-wrap.nowrap 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.text-wrap.wrap 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.white-space-collapse 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.white-space-collapse.break-spaces 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.white-space-collapse.collapse 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.white-space-collapse.preserve 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
css.properties.white-space-collapse.preserve-breaks 📋	Chrome	5/30/2023	Firefox	3/19/2024	294
api.DOMMatrixReadOnly.scaleNonUniform 📋	Firefox	10/14/2014	Safari	3/5/2024	3430
api.Element.ariaDescription 📋	Chrome	5/19/2020	Safari	3/5/2024	1386
api.Element.checkVisibility 📋	Chrome	9/2/2022	Safari	3/5/2024	550
api.Element.checkVisibility.options_checkOpacity_parameter 📋	Chrome	9/2/2022	Safari	3/5/2024	550
api.Element.checkVisibility.options_checkVisibilityCSS_parameter 📋	Chrome	9/2/2022	Safari	3/5/2024	550
api.Element.checkVisibility.options_contentVisibilityAuto_parameter 📋	Chrome	1/23/2024	Safari	3/5/2024	42
api.Element.checkVisibility.options_opacityProperty_parameter 📋	Chrome	1/23/2024	Safari	3/5/2024	42
api.Element.checkVisibility.options_visibilityProperty_parameter 📋	Chrome	1/23/2024	Safari	3/5/2024	42
api.HTMLInputElement.showPicker.date_input	Chrome	3/1/2022	Safari	3/5/2024	735
api.HTMLInputElement.showPicker.datetime_local_input	Chrome	3/1/2022	Safari	3/5/2024	735
api.ImageCapture 📋	Firefox	1/13/2015	Safari	3/5/2024	3339
api.ImageCapture.ImageCapture 📋	Firefox	1/13/2015	Safari	3/5/2024	3339
api.ImageCapture.takePhoto 📋	Firefox	1/13/2015	Safari	3/5/2024	3339
api.ImageCapture.track 📋	Firefox	1/13/2015	Safari	3/5/2024	3339
api.SVGFESpecularLightingElement.kernelUnitLengthX 📋	Firefox	6/17/2008	Safari	3/5/2024	5740
api.SVGFESpecularLightingElement.kernelUnitLengthY 📋	Firefox	6/17/2008	Safari	3/5/2024	5740
css.properties.text-decoration-thickness.percentage	Firefox	3/10/2020	Safari	3/5/2024	1456
css.properties.text-wrap 📋	Chrome	5/30/2023	Safari	3/5/2024	280
css.selectors.backdrop.inherit_from_originating_element	Firefox	11/21/2023	Safari	3/5/2024	105
javascript.builtins.ArrayBuffer.detached 📋	Chrome	5/30/2023	Safari	3/5/2024	280
javascript.builtins.ArrayBuffer.transfer 📋	Chrome	5/30/2023	Safari	3/5/2024	280
javascript.builtins.ArrayBuffer.transferToFixedLength 📋	Chrome	5/30/2023	Safari	3/5/2024	280
javascript.builtins.Map.groupBy 📋	Chrome	9/12/2023	Safari	3/5/2024	175
javascript.builtins.Object.groupBy 📋	Chrome	9/12/2023	Safari	3/5/2024	175
javascript.builtins.Promise.withResolvers 📋	Chrome	10/31/2023	Safari	3/5/2024	126

2024/2

API	First Browser	Date	Last Browser	Date	Days
api.HTMLTemplateElement.shadowRootMode 📋	Chrome	3/7/2023	Firefox	2/20/2024	350
html.elements.template.shadowrootmode 📋	Chrome	3/7/2023	Firefox	2/20/2024	350

2024/1

API	First Browser	Date	Last Browser	Date	Days
api.HTMLVideoElement.disablePictureInPicture 📋	Chrome	9/4/2018	Firefox	1/23/2024	1967
css.properties.offset-path.ray 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-path.url 📋	Chrome	8/15/2023	Firefox	1/23/2024	161
css.properties.offset-position 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.auto 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.bottom 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.center 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.left 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.normal 📋	Chrome	8/15/2023	Firefox	1/23/2024	161
css.properties.offset-position.right 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.properties.offset-position.top 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.types.basic-shape.rect 📋	Chrome	8/15/2023	Firefox	1/23/2024	161
css.types.basic-shape.xywh 📋	Chrome	8/15/2023	Firefox	1/23/2024	161
css.types.ray 📋	Safari	9/12/2022	Firefox	1/23/2024	498
css.types.ray.position	Chrome	8/15/2023	Firefox	1/23/2024	161
css.types.ray.size	Chrome	8/15/2023	Firefox	1/23/2024	161
html.elements.hr.hr_in_select	Safari	9/18/2023	Firefox	1/23/2024	127
html.elements.select.hr_in_select	Safari	9/18/2023	Firefox	1/23/2024	127
html.elements.video.disablepictureinpicture 📋	Chrome	9/4/2018	Firefox	1/23/2024	1967
javascript.builtins.Array.fromAsync 📋	Safari	3/27/2023	Chrome	1/23/2024	302

2023/12

API	First Browser	Date	Last Browser	Date	Days
api.HTMLIFrameElement.loading 📋	Chrome	9/10/2019	Firefox	12/19/2023	1561
css.selectors.has 📋	Safari	3/14/2022	Firefox	12/19/2023	645
html.elements.iframe.loading 📋	Chrome	9/10/2019	Firefox	12/19/2023	1561
api.CanvasRenderingContext2D.reset 📋	Chrome	3/1/2022	Safari	12/11/2023	650
api.HTMLLinkElement.imageSizes 📋	Chrome	3/12/2019	Safari	12/11/2023	1735
api.HTMLLinkElement.imageSrcset 📋	Chrome	3/12/2019	Safari	12/11/2023	1735
api.HTMLMediaElement.preservesPitch 📋	Chrome	10/20/2020	Safari	12/11/2023	1147
api.OffscreenCanvasRenderingContext2D.reset 📋	Chrome	3/1/2022	Safari	12/11/2023	650
api.SVGImageElement.crossOrigin 📋	Firefox	6/6/2023	Safari	12/11/2023	188
api.createImageBitmap.svgimageelement_as_source_image	Chrome	6/5/2017	Safari	12/11/2023	2380
css.properties.counter-set 📋	Firefox	7/9/2019	Safari	12/11/2023	1616
css.properties.counter-set.list-item 📋	Firefox	7/9/2019	Safari	12/11/2023	1616
css.properties.counter-set.none 📋	Firefox	7/9/2019	Safari	12/11/2023	1616
css.selectors.nesting 📋	Firefox	8/29/2023	Safari	12/11/2023	104
css.types.easing-function.linear-function 📋	Firefox	4/11/2023	Safari	12/11/2023	244
css.types.length.cap	Firefox	2/8/2022	Safari	12/11/2023	671
html.elements.link.imagesizes 📋	Chrome	3/12/2019	Safari	12/11/2023	1735
html.elements.link.imagesrcset 📋	Chrome	3/12/2019	Safari	12/11/2023	1735
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingMode_parameter	Firefox	8/1/2023	Safari	12/11/2023	132
api.FontFaceSet.check 📋	Firefox	9/22/2015	Chrome	12/5/2023	2996
api.URL.canParse_static 📋	Firefox	7/4/2023	Chrome	12/5/2023	154
css.at-rules.media.scripting 📋	Firefox	5/9/2023	Chrome	12/5/2023	210
css.properties.background-clip.text 📋	Firefox	9/20/2016	Chrome	12/5/2023	2632
css.properties.mask 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-clip 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-composite 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-composite.add 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-composite.exclude 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-composite.intersect 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-composite.subtract 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-image 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-mode 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-mode.alpha 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-mode.luminance 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-mode.match-source 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-origin 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-position 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-repeat 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.properties.mask-size 📋	Firefox	4/19/2017	Chrome	12/5/2023	2421
css.selectors.dir 📋	Firefox	9/20/2016	Chrome	12/5/2023	2632
css.types.exp 📋	Safari	3/14/2022	Chrome	12/5/2023	631
css.types.hypot 📋	Safari	3/14/2022	Chrome	12/5/2023	631
css.types.log 📋	Safari	3/14/2022	Chrome	12/5/2023	631
css.types.pow 📋	Safari	3/14/2022	Chrome	12/5/2023	631
css.types.sqrt 📋	Safari	3/14/2022	Chrome	12/5/2023	631

2023/11

API	First Browser	Date	Last Browser	Date	Days
api.Navigator.userActivation 📋	Chrome	1/29/2019	Firefox	11/21/2023	1757
api.PublicKeyCredential.authenticatorAttachment 📋	Chrome	2/1/2022	Firefox	11/21/2023	658
api.ToggleEvent 📋	Chrome	5/30/2023	Firefox	11/21/2023	175
api.ToggleEvent.ToggleEvent 📋	Chrome	5/30/2023	Firefox	11/21/2023	175
api.ToggleEvent.newState 📋	Chrome	5/30/2023	Firefox	11/21/2023	175
api.ToggleEvent.oldState 📋	Chrome	5/30/2023	Firefox	11/21/2023	175
api.UserActivation 📋	Chrome	1/29/2019	Firefox	11/21/2023	1757
api.UserActivation.hasBeenActive 📋	Chrome	1/29/2019	Firefox	11/21/2023	1757
api.UserActivation.isActive 📋	Chrome	1/29/2019	Firefox	11/21/2023	1757
css.types.length.lh 📋	Chrome	1/10/2023	Firefox	11/21/2023	315
css.types.length.rlh 📋	Chrome	3/7/2023	Firefox	11/21/2023	259

2023/10

API	First Browser	Date	Last Browser	Date	Days
api.BeforeUnloadEvent.returnValue 📋	Firefox	11/29/2005	Chrome	10/31/2023	6545
api.Document.hasStorageAccess 📋	Safari	4/12/2018	Chrome	10/31/2023	2028
api.Document.requestStorageAccess 📋	Safari	4/12/2018	Chrome	10/31/2023	2028
api.Window.beforeunload_event.event_returnvalue_activation	Firefox	8/16/2011	Chrome	10/31/2023	4459
api.Window.beforeunload_event.preventdefault_activation	Firefox	8/16/2011	Chrome	10/31/2023	4459
css.properties.clip-path.fill-box 📋	Firefox	1/24/2017	Chrome	10/31/2023	2471
css.properties.clip-path.stroke-box 📋	Firefox	1/24/2017	Chrome	10/31/2023	2471
css.properties.clip-path.view-box 📋	Firefox	1/7/2020	Chrome	10/31/2023	1393
css.selectors.user-invalid 📋	Firefox	4/19/2021	Chrome	10/31/2023	925
css.selectors.user-valid 📋	Firefox	4/19/2021	Chrome	10/31/2023	925
api.AuthenticatorAttestationResponse.getAuthenticatorData 📋	Chrome	8/25/2020	Firefox	10/24/2023	1155
api.AuthenticatorAttestationResponse.getPublicKey 📋	Chrome	8/25/2020	Firefox	10/24/2023	1155
api.AuthenticatorAttestationResponse.getPublicKeyAlgorithm 📋	Chrome	8/25/2020	Firefox	10/24/2023	1155
api.AuthenticatorAttestationResponse.getTransports 📋	Chrome	4/23/2019	Firefox	10/24/2023	1645
api.Element.ariaAtomic 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaAutoComplete 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaBusy 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaChecked 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaColCount 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaColIndex 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaColSpan 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaCurrent 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaDisabled 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaExpanded 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaHasPopup 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaHidden 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaInvalid 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaKeyShortcuts 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaLabel 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaLevel 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaLive 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaModal 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaMultiLine 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaMultiSelectable 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaOrientation 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaPlaceholder 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaPosInSet 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaPressed 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaReadOnly 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRelevant	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRequired 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRoleDescription 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRowCount 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRowIndex 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaRowSpan 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaSelected 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaSetSize 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaSort 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaValueMax 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaValueMin 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaValueNow 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.ariaValueText 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.Element.role 📋	Safari	3/25/2019	Firefox	10/24/2023	1674
api.ElementInternals.ariaAtomic 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaAutoComplete 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaBusy 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaChecked 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaColCount 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaColIndex 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaColSpan 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaCurrent 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaDisabled 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaExpanded 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaHasPopup 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaHidden 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaInvalid 📋	Chrome	5/24/2022	Firefox	10/24/2023	518
api.ElementInternals.ariaKeyShortcuts 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaLabel 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaLevel 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaLive 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaModal 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaMultiLine 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaMultiSelectable 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaOrientation 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaPlaceholder 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaPosInSet 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaPressed 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaReadOnly 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRelevant	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRequired 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRoleDescription 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRowCount 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRowIndex 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaRowSpan 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaSelected 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaSetSize 📋	Chrome	7/27/2020	Firefox	10/24/2023	1184
api.ElementInternals.ariaSort 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaValueMax 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaValueMin 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaValueNow 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.ariaValueText 📋	Chrome	4/7/2020	Firefox	10/24/2023	1295
api.ElementInternals.role 📋	Chrome	6/21/2022	Firefox	10/24/2023	490
api.PublicKeyCredential.isConditionalMediationAvailable_static 📋	Safari	9/12/2022	Firefox	10/24/2023	407
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hkdf 📋	Chrome	3/3/2015	Firefox	10/24/2023	3157
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_pbkdf2 📋	Chrome	3/3/2015	Firefox	10/24/2023	3157
javascript.builtins.String.isWellFormed 📋	Chrome	3/7/2023	Firefox	10/24/2023	231
javascript.builtins.String.toWellFormed 📋	Chrome	3/7/2023	Firefox	10/24/2023	231
api.TextMetrics.alphabeticBaseline 📋	Safari	4/12/2018	Chrome	10/10/2023	2007
api.TextMetrics.hangingBaseline 📋	Safari	4/12/2018	Chrome	10/10/2023	2007
api.TextMetrics.ideographicBaseline 📋	Safari	4/12/2018	Chrome	10/10/2023	2007
css.properties.clear.inline-end 📋	Firefox	8/8/2017	Chrome	10/10/2023	2254
css.properties.clear.inline-start 📋	Firefox	8/8/2017	Chrome	10/10/2023	2254
css.properties.float.inline-end 📋	Firefox	8/8/2017	Chrome	10/10/2023	2254
css.properties.float.inline-start 📋	Firefox	8/8/2017	Chrome	10/10/2023	2254
css.properties.resize.block	Firefox	10/23/2018	Chrome	10/10/2023	1813
css.properties.resize.inline	Firefox	10/23/2018	Chrome	10/10/2023	1813
css.properties.transform-box.border-box 📋	Firefox	8/8/2017	Chrome	10/10/2023	2254
html.elements.search 📋	Safari	9/18/2023	Chrome	10/10/2023	22

2023/9

API	First Browser	Date	Last Browser	Date	Days
api.TextMetrics.emHeightAscent 📋	Safari	4/12/2018	Firefox	9/26/2023	1993
api.TextMetrics.emHeightDescent 📋	Safari	4/12/2018	Firefox	9/26/2023	1993
api.CSSContainerRule.containerName 📋	Firefox	2/14/2023	Safari	9/18/2023	216
api.CSSContainerRule.containerQuery 📋	Firefox	2/14/2023	Safari	9/18/2023	216
api.CSSCounterStyleRule 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.additiveSymbols 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.fallback 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.name 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.negative 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.pad 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.prefix 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.range 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.speakAs 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.suffix 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.symbols 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CSSCounterStyleRule.system 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
api.CanvasRenderingContext2D.drawImage.SVGImageElement_source_image	Chrome	6/5/2017	Safari	9/18/2023	2296
api.CredentialsContainer.preventSilentAccess 📋	Chrome	7/25/2017	Safari	9/18/2023	2246
api.CustomElementRegistry.getName 📋	Firefox	8/1/2023	Safari	9/18/2023	48
api.DeviceMotionEvent 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.DeviceMotionEvent.acceleration 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.DeviceMotionEvent.accelerationIncludingGravity 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.DeviceMotionEvent.interval 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.DeviceMotionEvent.rotationRate 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.DeviceOrientationEvent 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.DeviceOrientationEvent.absolute 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.DeviceOrientationEvent.alpha 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.DeviceOrientationEvent.beta 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.DeviceOrientationEvent.gamma 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.Headers.getSetCookie 📋	Firefox	4/11/2023	Safari	9/18/2023	160
api.OffscreenCanvas.getContext.webgl2_context	Chrome	9/4/2018	Safari	9/18/2023	1840
api.OffscreenCanvas.getContext.webgl_context	Chrome	9/4/2018	Safari	9/18/2023	1840
api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request	Firefox	6/28/2022	Safari	9/18/2023	447
api.Response.json_static 📋	Chrome	9/2/2022	Safari	9/18/2023	381
api.Selection.removeRange 📋	Firefox	11/9/2004	Safari	9/18/2023	6887
api.StorageManager.estimate 📋	Chrome	9/5/2017	Safari	9/18/2023	2204
api.URLSearchParams.delete.value_parameter	Firefox	7/4/2023	Safari	9/18/2023	76
api.URLSearchParams.has.value_parameter	Firefox	7/4/2023	Safari	9/18/2023	76
api.URLSearchParams.size 📋	Firefox	4/11/2023	Safari	9/18/2023	160
api.Window.devicemotion_event 📋	Firefox	8/16/2011	Safari	9/18/2023	4416
api.Window.deviceorientation_event 📋	Chrome	10/19/2010	Safari	9/18/2023	4717
api.createImageBitmap.options_premultiplyAlpha_parameter	Chrome	7/20/2016	Safari	9/18/2023	2616
css.at-rules.counter-style 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.additive-symbols 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.fallback 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.negative 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.pad 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.prefix 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.range 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.suffix 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.symbols 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.counter-style.system 📋	Firefox	10/14/2014	Safari	9/18/2023	3261
css.at-rules.font-face.size-adjust 📋	Chrome	7/20/2021	Safari	9/18/2023	790
css.at-rules.font-face.src.tech_keyword	Firefox	11/15/2022	Safari	9/18/2023	307
css.at-rules.media.overflow-block 📋	Firefox	3/19/2019	Safari	9/18/2023	1644
css.at-rules.media.overflow-inline 📋	Firefox	3/19/2019	Safari	9/18/2023	1644
css.at-rules.media.update 📋	Firefox	6/28/2022	Safari	9/18/2023	447
css.at-rules.supports.font-format	Firefox	10/18/2022	Safari	9/18/2023	335
css.at-rules.supports.font-tech	Firefox	10/18/2022	Safari	9/18/2023	335
css.properties.background-image.image-set 📋	Firefox	6/1/2021	Safari	9/18/2023	839
css.properties.contain-intrinsic-block-size 📋	Chrome	10/19/2021	Safari	9/18/2023	699
css.properties.contain-intrinsic-block-size.none 📋	Chrome	2/1/2022	Safari	9/18/2023	594
css.properties.contain-intrinsic-height 📋	Chrome	10/19/2021	Safari	9/18/2023	699
css.properties.contain-intrinsic-height.none 📋	Chrome	2/1/2022	Safari	9/18/2023	594
css.properties.contain-intrinsic-inline-size 📋	Chrome	10/19/2021	Safari	9/18/2023	699
css.properties.contain-intrinsic-inline-size.none 📋	Chrome	2/1/2022	Safari	9/18/2023	594
css.properties.contain-intrinsic-size 📋	Chrome	5/19/2020	Safari	9/18/2023	1217
css.properties.contain-intrinsic-size.auto_none	Firefox	8/29/2023	Safari	9/18/2023	20
css.properties.contain-intrinsic-size.none 📋	Chrome	2/1/2022	Safari	9/18/2023	594
css.properties.contain-intrinsic-width 📋	Chrome	10/19/2021	Safari	9/18/2023	699
css.properties.contain-intrinsic-width.none 📋	Chrome	2/1/2022	Safari	9/18/2023	594
css.properties.content.image-set 📋	Firefox	6/1/2021	Safari	9/18/2023	839
css.properties.hyphenate-character 📋	Firefox	3/8/2022	Safari	9/18/2023	559
css.properties.hyphens 📋	Firefox	12/15/2015	Safari	9/18/2023	2834
css.properties.list-style-type.ethiopic-halehame	Firefox	11/9/2004	Safari	9/18/2023	6887
css.properties.list-style-type.ethiopic-halehame-am	Firefox	11/9/2004	Safari	9/18/2023	6887
css.types.image.image-set 📋	Firefox	6/1/2021	Safari	9/18/2023	839
html.elements.iframe.sandbox.allow-downloads 📋	Chrome	5/19/2020	Safari	9/18/2023	1217
html.elements.link.rel.modulepreload 📋	Chrome	4/17/2018	Safari	9/18/2023	1980
javascript.builtins.AggregateError.serializable_object	Chrome	2/1/2022	Safari	9/18/2023	594
javascript.builtins.Function.toString.toString_revision	Firefox	6/13/2017	Safari	9/18/2023	2288
javascript.builtins.RegExp.unicodeSets 📋	Chrome	4/4/2023	Safari	9/18/2023	167
css.properties.grid-template-columns.subgrid 📋	Firefox	12/10/2019	Chrome	9/12/2023	1372
css.properties.grid-template-rows.subgrid 📋	Firefox	12/10/2019	Chrome	9/12/2023	1372

2023/8

API	First Browser	Date	Last Browser	Date	Days
api.CSSStyleRule.cssRules 📋	Chrome	4/4/2023	Firefox	8/29/2023	147
api.CSSStyleRule.deleteRule 📋	Chrome	4/4/2023	Firefox	8/29/2023	147
api.CSSStyleRule.insertRule 📋	Chrome	4/4/2023	Firefox	8/29/2023	147
api.CanvasRenderingContext2D.getContextAttributes 📋	Chrome	3/12/2019	Firefox	8/29/2023	1631
api.RTCEncodedAudioFrame 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedAudioFrame.data 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedAudioFrame.getMetadata 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedAudioFrame.timestamp	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedVideoFrame 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedVideoFrame.data 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedVideoFrame.getMetadata 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedVideoFrame.timestamp	Chrome	10/20/2020	Firefox	8/29/2023	1043
api.RTCEncodedVideoFrame.type 📋	Chrome	10/20/2020	Firefox	8/29/2023	1043
css.properties.math-style 📋	Safari	4/26/2021	Firefox	8/29/2023	855
css.properties.offset-anchor 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.auto 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.bottom 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.center 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.left 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.right 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.properties.offset-anchor.top 📋	Firefox	1/7/2020	Chrome	8/15/2023	1316
css.types.color.lab.mixed_type_parameters	Safari	12/13/2022	Chrome	8/15/2023	245
css.types.color.lch.mixed_type_parameters	Safari	12/13/2022	Chrome	8/15/2023	245
css.types.color.oklab.mixed_type_parameters	Safari	12/13/2022	Chrome	8/15/2023	245
css.types.color.oklch.mixed_type_parameters	Safari	12/13/2022	Chrome	8/15/2023	245
api.HTMLInputElement.dirName 📋	Chrome	2/8/2012	Firefox	8/1/2023	4192
api.HTMLTextAreaElement.dirName 📋	Chrome	2/8/2012	Firefox	8/1/2023	4192
api.MediaDevices.enumerateDevices 📋	Chrome	12/1/2015	Firefox	8/1/2023	2800
api.TextMetrics.fontBoundingBoxAscent 📋	Safari	4/12/2018	Firefox	8/1/2023	1937
api.TextMetrics.fontBoundingBoxDescent 📋	Safari	4/12/2018	Firefox	8/1/2023	1937
css.selectors.first 📋	Chrome	3/28/2012	Firefox	8/1/2023	4143
html.elements.input.dirname 📋	Chrome	2/8/2012	Firefox	8/1/2023	4192
html.elements.textarea.dirname 📋	Chrome	2/8/2012	Firefox	8/1/2023	4192
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingIncrement_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingMode_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_roundingPriority_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_signDisplay_parameter.negative	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_trailingZeroDisplay_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_useGrouping_parameter.string_values	Chrome	9/27/2022	Firefox	8/1/2023	308
javascript.builtins.Intl.NumberFormat.format.number_parameter-string_decimal	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.formatRange 📋	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.NumberFormat.formatRangeToParts 📋	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingPriority_parameter	Safari	3/14/2022	Firefox	8/1/2023	505
javascript.builtins.Intl.PluralRules.selectRange 📋	Safari	3/14/2022	Firefox	8/1/2023	505

2023/7

API	First Browser	Date	Last Browser	Date	Days
css.properties.display.multi-keyword_values	Firefox	10/22/2019	Chrome	7/18/2023	1365
css.types.color.system-color.accentcolor_accentcolortext 📋	Firefox	7/26/2022	Chrome	7/18/2023	357
css.properties.animation-composition 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.Array.toReversed 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.Array.toSorted 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.Array.toSpliced 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.Array.with 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.TypedArray.toReversed 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.TypedArray.toSorted 📋	Safari	9/12/2022	Firefox	7/4/2023	295
javascript.builtins.TypedArray.with 📋	Safari	9/12/2022	Firefox	7/4/2023	295

2023/6

API	First Browser	Date	Last Browser	Date	Days
api.SharedWorker.SharedWorker.ecmascript_modules	Chrome	2/4/2020	Firefox	6/6/2023	1218
api.SharedWorker.SharedWorker.options_type_parameter	Chrome	2/4/2020	Firefox	6/6/2023	1218
api.Worker.Worker.ecmascript_modules	Chrome	2/4/2020	Firefox	6/6/2023	1218
api.Worker.Worker.options_type_parameter	Chrome	2/4/2020	Firefox	6/6/2023	1218
api.Worklet.ecmascript_modules	Chrome	2/4/2020	Firefox	6/6/2023	1218
css.properties.-webkit-text-security	Safari	10/26/2007	Firefox	6/6/2023	5702
css.types.calc-keyword.NaN	Chrome	3/1/2022	Firefox	6/6/2023	462
css.types.calc-keyword.infinity	Chrome	3/1/2022	Firefox	6/6/2023	462
javascript.operators.import.worker_support	Chrome	2/4/2020	Firefox	6/6/2023	1218
javascript.statements.import.worker_support	Chrome	2/4/2020	Firefox	6/6/2023	1218

2023/5

API	First Browser	Date	Last Browser	Date	Days
css.types.overflow.overlay	Safari	9/17/2018	Chrome	5/30/2023	1716
api.Permissions.permission_push	Chrome	5/19/2015	Safari	5/18/2023	2921
api.CompressionStream 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.CompressionStream.CompressionStream 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.CompressionStream.CompressionStream.deflate 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.CompressionStream.CompressionStream.deflate-raw 📋	Chrome	6/21/2022	Firefox	5/9/2023	322
api.CompressionStream.CompressionStream.gzip 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.CompressionStream.readable 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.CompressionStream.writable 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream.DecompressionStream 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream.DecompressionStream.deflate 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream.DecompressionStream.deflate-raw 📋	Chrome	6/21/2022	Firefox	5/9/2023	322
api.DecompressionStream.DecompressionStream.gzip 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream.readable 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.DecompressionStream.writable 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCPeerConnection.connectionState 📋	Safari	9/19/2017	Firefox	5/9/2023	2058
api.RTCPeerConnection.connectionstatechange_event 📋	Safari	9/19/2017	Firefox	5/9/2023	2058
api.RTCPeerConnection.sctp 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCRtpReceiver.getCapabilities_static 📋	Chrome	6/5/2017	Firefox	5/9/2023	2164
api.RTCRtpSender.getCapabilities_static 📋	Chrome	9/4/2018	Firefox	5/9/2023	1708
api.RTCRtpSender.setStreams 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport.maxChannels 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport.maxMessageSize 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport.state 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport.statechange_event	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCSctpTransport.transport 📋	Chrome	7/30/2019	Firefox	5/9/2023	1379
api.RTCStatsReport.type_media-source 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_media-source.id 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_media-source.kind 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_media-source.timestamp 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_media-source.trackIdentifier 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_media-source.type 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection.dataChannelsClosed 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection.dataChannelsOpened 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection.id 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection.timestamp 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
api.RTCStatsReport.type_peer-connection.type 📋	Chrome	2/4/2020	Firefox	5/9/2023	1190
css.properties.content.gradient 📋	Chrome	3/26/2013	Firefox	5/9/2023	3696
css.selectors.nth-child.of_syntax	Safari	9/30/2015	Firefox	5/9/2023	2778
css.selectors.nth-last-child.of_syntax	Safari	9/30/2015	Firefox	5/9/2023	2778
css.types.color.color 📋	Safari	9/20/2021	Firefox	5/9/2023	596
css.types.color.color.mixed_type_parameters	Safari	9/20/2021	Firefox	5/9/2023	596
css.types.color.color-mix 📋	Safari	12/13/2022	Firefox	5/9/2023	147
css.types.color.lab 📋	Safari	9/20/2021	Firefox	5/9/2023	596
css.types.color.lch 📋	Safari	9/20/2021	Firefox	5/9/2023	596
css.types.color.oklab 📋	Safari	3/14/2022	Firefox	5/9/2023	421
css.types.color.oklch 📋	Safari	3/14/2022	Firefox	5/9/2023	421
api.HTMLInputElement.cancel_event 📋	Firefox	8/10/2021	Chrome	5/2/2023	630
html.elements.iframe.sandbox.allow-storage-access-by-user-activation	Safari	4/12/2018	Chrome	5/2/2023	1846

2023/4

API	First Browser	Date	Last Browser	Date	Days
api.CanvasRenderingContext2D.createConicGradient 📋	Chrome	3/1/2022	Firefox	4/11/2023	406
api.CanvasRenderingContext2D.roundRect 📋	Chrome	3/1/2022	Firefox	4/11/2023	406
api.HTMLElement.inert 📋	Safari	5/16/2022	Firefox	4/11/2023	330
api.OffscreenCanvasRenderingContext2D.roundRect 📋	Chrome	3/1/2022	Firefox	4/11/2023	406
api.Path2D.roundRect 📋	Chrome	3/1/2022	Firefox	4/11/2023	406
html.global_attributes.inert 📋	Safari	5/16/2022	Firefox	4/11/2023	330
api.FormData.FormData.submitter	Firefox	3/14/2023	Chrome	4/4/2023	21
api.createImageBitmap.options_imageOrientation_parameter.from-image	Safari	9/12/2022	Chrome	4/4/2023	204
css.properties.hyphens.language_dutch	Safari	7/20/2011	Chrome	4/4/2023	4276
css.properties.hyphens.language_italian	Safari	7/20/2011	Chrome	4/4/2023	4276
css.properties.hyphens.language_russian	Safari	7/20/2011	Chrome	4/4/2023	4276
css.properties.hyphens.language_swedish	Safari	7/20/2011	Chrome	4/4/2023	4276
css.properties.hyphens.language_ukrainian	Firefox	12/20/2011	Chrome	4/4/2023	4123

2023/3

API	First Browser	Date	Last Browser	Date	Days
api.CSSStyleSheet.CSSStyleSheet 📋	Chrome	3/12/2019	Safari	3/27/2023	1476
api.CSSStyleSheet.replace 📋	Chrome	3/12/2019	Safari	3/27/2023	1476
api.CSSStyleSheet.replaceSync 📋	Chrome	3/12/2019	Safari	3/27/2023	1476
api.DedicatedWorkerGlobalScope.cancelAnimationFrame 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.DedicatedWorkerGlobalScope.messageerror_event 📋	Chrome	7/25/2017	Safari	3/27/2023	2071
api.DedicatedWorkerGlobalScope.requestAnimationFrame 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Document.adoptedStyleSheets 📋	Chrome	3/12/2019	Safari	3/27/2023	1476
api.Document.exitFullscreen 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Document.exitFullscreen.returns_promise	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Document.fullscreen 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Document.fullscreenElement 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Document.fullscreenEnabled 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Document.fullscreenchange_event 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Document.fullscreenerror_event 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Element.fullscreenchange_event 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Element.fullscreenerror_event 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Element.requestFullscreen 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.Element.requestFullscreen.returns_promise	Chrome	12/4/2018	Safari	3/27/2023	1574
api.ElementInternals 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.checkValidity 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.form 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.labels 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.reportValidity 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.setFormValue 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.setValidity 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.shadowRoot 📋	Chrome	1/19/2021	Safari	3/27/2023	797
api.ElementInternals.validationMessage 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.validity 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.ElementInternals.willValidate 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.FileSystemDirectoryHandle.@@asyncIterator 📋	Chrome	10/20/2020	Safari	3/27/2023	888
api.FileSystemSyncAccessHandle.close.sync_version	Chrome	11/29/2022	Safari	3/27/2023	118
api.FileSystemSyncAccessHandle.flush.sync_version	Chrome	11/29/2022	Safari	3/27/2023	118
api.FileSystemSyncAccessHandle.getSize.sync_version	Chrome	11/29/2022	Safari	3/27/2023	118
api.FileSystemSyncAccessHandle.truncate.sync_version	Chrome	11/29/2022	Safari	3/27/2023	118
api.GamepadHapticActuator 📋	Firefox	8/8/2017	Safari	3/27/2023	2057
api.GamepadHapticActuator.type	Firefox	8/8/2017	Safari	3/27/2023	2057
api.HTMLCanvasElement.transferControlToOffscreen 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.HTMLElement.attachInternals 📋	Chrome	9/10/2019	Safari	3/27/2023	1294
api.HTMLSlotElement.assign 📋	Chrome	10/20/2020	Safari	3/27/2023	888
api.InputEvent.isComposing 📋	Firefox	7/22/2014	Safari	3/27/2023	3170
api.MessagePort.messageerror_event 📋	Chrome	7/25/2017	Safari	3/27/2023	2071
api.Navigator.pdfViewerEnabled 📋	Chrome	9/21/2021	Safari	3/27/2023	552
api.OffscreenCanvas 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.OffscreenCanvas 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.convertToBlob 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.getContext 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.getContext.2d_context	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.getContext.bitmaprenderer_context	Chrome	7/30/2019	Safari	3/27/2023	1336
api.OffscreenCanvas.height 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.transferToImageBitmap 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvas.width 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.arc 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.arcTo 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.beginPath 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.bezierCurveTo 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.canvas 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.clearRect 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.clip 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.closePath 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.createConicGradient 📋	Chrome	3/1/2022	Safari	3/27/2023	391
api.OffscreenCanvasRenderingContext2D.createImageData 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.createLinearGradient 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.createPattern 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.createRadialGradient 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.direction 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.drawImage 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.ellipse 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.fill 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.fillRect 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.fillStyle 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.fillText 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.font 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.getImageData 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.getLineDash 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.getTransform 📋	Chrome	2/4/2020	Safari	3/27/2023	1147
api.OffscreenCanvasRenderingContext2D.globalAlpha 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.globalCompositeOperation 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.imageSmoothingEnabled 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.isPointInPath 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.isPointInStroke 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.lineCap 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.lineDashOffset 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.lineJoin 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.lineTo 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.lineWidth 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.measureText 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.miterLimit 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.moveTo 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.putImageData 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.quadraticCurveTo 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.rect 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.resetTransform 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.restore 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.rotate 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.save 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.scale 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.setLineDash 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.setTransform 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.shadowBlur 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.shadowColor 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.shadowOffsetX 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.shadowOffsetY 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.stroke 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.strokeRect 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.strokeStyle 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.strokeText 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.textAlign 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.textBaseline 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.transform 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.OffscreenCanvasRenderingContext2D.translate 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.PerformanceResourceTiming.decodedBodySize 📋	Firefox	3/8/2016	Safari	3/27/2023	2575
api.PerformanceResourceTiming.encodedBodySize 📋	Firefox	3/8/2016	Safari	3/27/2023	2575
api.PerformanceResourceTiming.serverTiming 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PerformanceResourceTiming.transferSize 📋	Firefox	3/8/2016	Safari	3/27/2023	2575
api.PerformanceServerTiming 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PerformanceServerTiming.description 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PerformanceServerTiming.duration 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PerformanceServerTiming.name 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PerformanceServerTiming.toJSON 📋	Chrome	3/6/2018	Safari	3/27/2023	1847
api.PermissionStatus.change_event 📋	Chrome	5/19/2015	Safari	3/27/2023	2869
api.Permissions.permission_notifications	Chrome	5/19/2015	Safari	3/27/2023	2869
api.RTCStatsReport.type_inbound-rtp.trackIdentifier 📋	Chrome	9/2/2022	Safari	3/27/2023	206
api.Report 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Report.body 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Report.toJSON 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Report.type 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.Report.url 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportBody 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportBody.toJSON 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportingObserver 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportingObserver.ReportingObserver 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportingObserver.disconnect 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportingObserver.observe 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.ReportingObserver.takeRecords 📋	Chrome	9/4/2018	Safari	3/27/2023	1665
api.SVGStyleElement.sheet 📋	Firefox	11/29/2005	Safari	3/27/2023	6327
api.Screen.orientation 📋	Chrome	10/7/2014	Safari	3/27/2023	3093
api.ScreenOrientation 📋	Chrome	10/7/2014	Safari	3/27/2023	3093
api.ScreenOrientation.angle 📋	Chrome	10/7/2014	Safari	3/27/2023	3093
api.ScreenOrientation.change_event 📋	Chrome	10/7/2014	Safari	3/27/2023	3093
api.ScreenOrientation.type 📋	Chrome	10/7/2014	Safari	3/27/2023	3093
api.ServiceWorkerContainer.messageerror_event 📋	Firefox	1/29/2019	Safari	3/27/2023	1518
api.ShadowRoot.adoptedStyleSheets 📋	Chrome	3/12/2019	Safari	3/27/2023	1476
api.ShadowRoot.fullscreenElement 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
api.ShadowRoot.slotAssignment 📋	Chrome	10/20/2020	Safari	3/27/2023	888
api.Window.messageerror_event 📋	Chrome	7/25/2017	Safari	3/27/2023	2071
api.Worker.worker_support	Firefox	12/1/2014	Safari	3/27/2023	3038
api.WritableStreamDefaultController.signal 📋	Chrome	2/1/2022	Safari	3/27/2023	419
css.at-rules.media.or_syntax	Firefox	12/11/2018	Safari	3/27/2023	1567
css.at-rules.media.range_syntax	Firefox	6/28/2022	Safari	3/27/2023	272
css.properties.font-size.xxx-large	Firefox	10/22/2019	Safari	3/27/2023	1252
css.properties.font-synthesis-small-caps 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-small-caps.auto 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-small-caps.none 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-style 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-style.auto 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-style.none 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-weight 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-weight.auto 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.font-synthesis-weight.none 📋	Chrome	1/4/2022	Safari	3/27/2023	447
css.properties.outline 📋	Firefox	4/19/2021	Safari	3/27/2023	707
css.selectors.backdrop.fullscreen	Firefox	6/7/2016	Safari	3/27/2023	2484
css.selectors.fullscreen 📋	Chrome	12/4/2018	Safari	3/27/2023	1574
html.elements.script.type.importmap 📋	Chrome	3/2/2021	Safari	3/27/2023	755
javascript.classes.static_initialization_blocks 📋	Chrome	9/21/2021	Safari	3/27/2023	552
javascript.operators.import_meta.resolve 📋	Chrome	9/2/2022	Safari	3/27/2023	206
javascript.regular_expressions.lookbehind_assertion 📋	Chrome	10/17/2017	Safari	3/27/2023	1987
api.FileSystemDirectoryHandle 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.entries 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.getDirectoryHandle 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.getFileHandle 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.keys 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.removeEntry 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.resolve 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemDirectoryHandle.values 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemFileHandle 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemFileHandle.createSyncAccessHandle 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemFileHandle.getFile 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemHandle 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemHandle.isSameEntry 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemHandle.kind 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemHandle.name 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
api.FileSystemSyncAccessHandle 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.close 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.flush 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.getSize 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.read 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.truncate 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.FileSystemSyncAccessHandle.write 📋	Safari	12/13/2021	Firefox	3/14/2023	456
api.HTMLElement.translate 📋	Chrome	5/15/2012	Firefox	3/14/2023	3955
api.HTMLFormElement.rel 📋	Safari	3/14/2022	Firefox	3/14/2023	365
api.HTMLFormElement.relList 📋	Safari	3/14/2022	Firefox	3/14/2023	365
api.StorageManager.getDirectory 📋	Chrome	10/20/2020	Firefox	3/14/2023	875
html.elements.form.rel 📋	Safari	3/14/2022	Firefox	3/14/2023	365
html.global_attributes.translate 📋	Chrome	5/15/2012	Firefox	3/14/2023	3955
api.CSSFontFeatureValuesRule 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
api.CSSFontFeatureValuesRule.fontFamily 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.annotation	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.character-variant	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.historical-forms	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.ornaments	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.styleset	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.stylistic	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.at-rules.font-feature-values.swash	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant.historical-forms 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.annotation 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.character_variant 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.historical-forms 📋	Firefox	1/7/2020	Chrome	3/7/2023	1155
css.properties.font-variant-alternates.normal 📋	Firefox	1/7/2020	Chrome	3/7/2023	1155
css.properties.font-variant-alternates.ornaments 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.styleset 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.stylistic 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.properties.font-variant-alternates.swash 📋	Firefox	12/1/2014	Chrome	3/7/2023	3018
css.types.acos 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.asin 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.atan 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.atan2 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.cos 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.sin 📋	Safari	3/14/2022	Chrome	3/7/2023	358
css.types.tan 📋	Safari	3/14/2022	Chrome	3/7/2023	358

2023/2

API	First Browser	Date	Last Browser	Date	Days
api.CSSContainerRule 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
api.CSSPageRule.selectorText 📋	Safari	10/26/2007	Firefox	2/14/2023	5590
api.HTMLElement.autofocus 📋	Chrome	12/10/2019	Firefox	2/14/2023	1162
api.MathMLElement.autofocus 📋	Safari	3/14/2022	Firefox	2/14/2023	337
api.RTCPeerConnection.addTransceiver.init_sendEncodings_parameter	Chrome	9/4/2018	Firefox	2/14/2023	1624
api.RTCRtpSender.setParameters.parameters_encodings_parameter.active	Safari	4/12/2018	Firefox	2/14/2023	1769
api.SVGElement.autofocus 📋	Chrome	12/10/2019	Firefox	2/14/2023	1162
css.at-rules.container 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.at-rules.media.color-gamut 📋	Safari	9/20/2016	Firefox	2/14/2023	2338
css.properties.container 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-name 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-name.none 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-type 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-type.inline-size 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-type.normal 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.container-type.size 📋	Chrome	9/2/2022	Firefox	2/14/2023	165
css.properties.page 📋	Safari	3/24/2020	Firefox	2/14/2023	1057
css.types.length.container_query_length_units	Chrome	9/2/2022	Firefox	2/14/2023	165
html.elements.datalist 📋	Chrome	6/26/2012	Firefox	2/14/2023	3885
html.global_attributes.autofocus 📋	Chrome	12/10/2019	Firefox	2/14/2023	1162
css.properties.font-variant.sub 📋	Firefox	12/1/2014	Chrome	2/7/2023	2990
css.properties.font-variant.super 📋	Firefox	12/1/2014	Chrome	2/7/2023	2990
css.selectors.autofill 📋	Firefox	2/23/2021	Chrome	2/7/2023	714
css.types.calc-keyword.e	Safari	3/14/2022	Chrome	2/7/2023	330

2023/1

API	First Browser	Date	Last Browser	Date	Days
html.elements.form.autocomplete.one-time-code	Safari	9/17/2018	Firefox	1/17/2023	1583
html.elements.input.type_range.tick_marks	Chrome	5/29/2018	Firefox	1/17/2023	1694
html.elements.textarea.autocomplete.one-time-code	Safari	9/17/2018	Firefox	1/17/2023	1583
api.MathMLElement 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
api.MathMLElement.blur 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
api.MathMLElement.dataset 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
api.MathMLElement.focus 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
api.MathMLElement.style 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
api.MathMLElement.tabIndex 📋	Firefox	12/10/2019	Chrome	1/10/2023	1127
css.types.calc-keyword.pi	Safari	3/14/2022	Chrome	1/10/2023	302

2022/12

API	First Browser	Date	Last Browser	Date	Days
api.HTMLSourceElement.height 📋	Chrome	4/13/2021	Firefox	12/13/2022	609
api.HTMLSourceElement.width 📋	Chrome	4/13/2021	Firefox	12/13/2022	609
api.OES_draw_buffers_indexed 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.blendEquationSeparateiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.blendEquationiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.blendFuncSeparateiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.blendFunciOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.colorMaskiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.disableiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
api.OES_draw_buffers_indexed.enableiOES 📋	Chrome	3/29/2022	Firefox	12/13/2022	259
css.properties.align-items.flex_context.last_baseline	Firefox	3/7/2017	Safari	12/13/2022	2107
css.properties.align-self.flex_context.last_baseline	Firefox	3/7/2017	Safari	12/13/2022	2107
css.properties.text-emphasis-position.over	Safari	3/24/2020	Firefox	12/13/2022	994
css.properties.text-emphasis-position.under	Safari	3/24/2020	Firefox	12/13/2022	994
css.types.calc-keyword 📋	Chrome	3/1/2022	Firefox	12/13/2022	287
html.elements.source.height 📋	Chrome	4/13/2021	Firefox	12/13/2022	609
html.elements.source.width 📋	Chrome	4/13/2021	Firefox	12/13/2022	609

2022/11

API	First Browser	Date	Last Browser	Date	Days
api.HTMLMediaElement.srcObject 📋	Firefox	11/3/2015	Chrome	11/29/2022	2583
css.types.length.vb	Safari	3/14/2022	Chrome	11/29/2022	260
css.types.length.vi	Safari	3/14/2022	Chrome	11/29/2022	260
css.types.length.viewport_percentage_units_dynamic	Safari	3/14/2022	Chrome	11/29/2022	260
css.types.length.viewport_percentage_units_large	Safari	3/14/2022	Chrome	11/29/2022	260
css.types.length.viewport_percentage_units_small	Safari	3/14/2022	Chrome	11/29/2022	260
api.CSSFontPaletteValuesRule 📋	Safari	3/14/2022	Firefox	11/15/2022	246
api.CSSFontPaletteValuesRule.basePalette 📋	Safari	3/14/2022	Firefox	11/15/2022	246
api.CSSFontPaletteValuesRule.fontFamily 📋	Safari	3/14/2022	Firefox	11/15/2022	246
api.CSSFontPaletteValuesRule.name 📋	Safari	3/14/2022	Firefox	11/15/2022	246
api.CSSFontPaletteValuesRule.overrideColors 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.at-rules.font-palette-values 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.at-rules.font-palette-values.base-palette 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.at-rules.font-palette-values.font-family 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.at-rules.font-palette-values.override-colors 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.properties.font-palette 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.properties.font-palette.dark 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.properties.font-palette.light 📋	Safari	3/14/2022	Firefox	11/15/2022	246
css.properties.font-palette.normal 📋	Safari	3/14/2022	Firefox	11/15/2022	246

2022/10

API	First Browser	Date	Last Browser	Date	Days
css.properties.grid-template-columns.animation	Firefox	3/19/2019	Chrome	10/25/2022	1316
css.properties.grid-template-rows.animation	Firefox	3/19/2019	Chrome	10/25/2022	1316
api.HTMLMetaElement.media 📋	Chrome	8/31/2021	Firefox	10/18/2022	413
api.RTCStatsReport.type_inbound-rtp.concealmentEvents 📋	Chrome	10/20/2020	Firefox	10/18/2022	728
api.RTCStatsReport.type_inbound-rtp.fecPacketsDiscarded 📋	Chrome	4/7/2020	Firefox	10/18/2022	924
api.RTCStatsReport.type_inbound-rtp.fecPacketsReceived 📋	Chrome	4/7/2020	Firefox	10/18/2022	924
api.RTCStatsReport.type_inbound-rtp.headerBytesReceived 📋	Chrome	2/4/2020	Firefox	10/18/2022	987
api.RTCStatsReport.type_inbound-rtp.insertedSamplesForDeceleration 📋	Chrome	10/20/2020	Firefox	10/18/2022	728
api.RTCStatsReport.type_inbound-rtp.removedSamplesForAcceleration 📋	Chrome	10/20/2020	Firefox	10/18/2022	728
api.RTCStatsReport.type_inbound-rtp.totalAudioEnergy 📋	Chrome	10/20/2020	Firefox	10/18/2022	728
api.RTCStatsReport.type_inbound-rtp.totalSamplesDuration 📋	Chrome	10/20/2020	Firefox	10/18/2022	728

2022/9

API	First Browser	Date	Last Browser	Date	Days
css.types.length.ic	Firefox	2/8/2022	Chrome	9/27/2022	231
api.TextDecoderStream 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.TextDecoderStream 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.encoding 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.fatal 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.ignoreBOM 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.readable 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextDecoderStream.writable 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextEncoderStream 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextEncoderStream.TextEncoderStream 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextEncoderStream.encoding 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextEncoderStream.readable 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.TextEncoderStream.writable 📋	Chrome	12/4/2018	Firefox	9/20/2022	1386
api.WorkerGlobalScope.fonts 📋	Chrome	9/4/2018	Firefox	9/20/2022	1477
api.EXT_texture_compression_bptc 📋	Firefox	7/9/2019	Safari	9/12/2022	1161
api.Element.animate.options_composite_parameter 📋	Chrome	7/27/2020	Safari	9/12/2022	777
api.FetchEvent.handled 📋	Chrome	10/20/2020	Safari	9/12/2022	692
api.FetchEvent.resultingClientId 📋	Chrome	1/29/2019	Safari	9/12/2022	1322
api.HTMLFormElement.requestSubmit 📋	Chrome	7/30/2019	Safari	9/12/2022	1140
api.HTMLInputElement.showPicker 📋	Chrome	3/1/2022	Safari	9/12/2022	195
api.HTMLInputElement.showPicker.color_input	Chrome	3/1/2022	Safari	9/12/2022	195
api.HTMLInputElement.showPicker.file_input	Chrome	3/1/2022	Safari	9/12/2022	195
api.HTMLScriptElement.supports_static 📋	Firefox	11/2/2021	Safari	9/12/2022	314
api.KeyframeEffect.composite 📋	Chrome	7/27/2020	Safari	9/12/2022	777
api.Navigator.permissions 📋	Chrome	5/19/2015	Safari	9/12/2022	2673
api.Notification.data 📋	Firefox	12/1/2014	Safari	9/12/2022	2842
api.NotificationEvent 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.NotificationEvent.NotificationEvent 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PermissionStatus 📋	Chrome	5/19/2015	Safari	9/12/2022	2673
api.PermissionStatus.name 📋	Firefox	10/5/2021	Safari	9/12/2022	342
api.PermissionStatus.state 📋	Chrome	7/21/2015	Safari	9/12/2022	2610
api.Permissions 📋	Chrome	5/19/2015	Safari	9/12/2022	2673
api.Permissions.permission_geolocation	Chrome	5/19/2015	Safari	9/12/2022	2673
api.Permissions.query 📋	Chrome	5/19/2015	Safari	9/12/2022	2673
api.PushEvent 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushEvent.PushEvent 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushEvent.data 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushManager 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushManager.getSubscription 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushManager.permissionState 📋	Chrome	7/21/2015	Safari	9/12/2022	2610
api.PushManager.subscribe 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushMessageData 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushMessageData.arrayBuffer 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushMessageData.blob 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushMessageData.json 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushMessageData.text 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushSubscription 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushSubscription.endpoint 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushSubscription.expirationTime 📋	Chrome	7/25/2017	Safari	9/12/2022	1875
api.PushSubscription.getKey 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushSubscription.options 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushSubscription.toJSON 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushSubscription.unsubscribe 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.PushSubscriptionOptions 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.PushSubscriptionOptions.applicationServerKey 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.ServiceWorkerGlobalScope.notificationclick_event 📋	Chrome	1/21/2015	Safari	9/12/2022	2791
api.ServiceWorkerGlobalScope.notificationclose_event 📋	Firefox	1/26/2016	Safari	9/12/2022	2421
api.ServiceWorkerGlobalScope.push_event 📋	Chrome	1/21/2015	Safari	9/12/2022	2791
api.ServiceWorkerRegistration.getNotifications 📋	Chrome	1/21/2015	Safari	9/12/2022	2791
api.ServiceWorkerRegistration.pushManager 📋	Chrome	1/21/2015	Safari	9/12/2022	2791
api.ServiceWorkerRegistration.showNotification 📋	Chrome	4/14/2015	Safari	9/12/2022	2708
api.SharedWorker 📋	Chrome	5/25/2010	Safari	9/12/2022	4493
api.SharedWorker.SharedWorker 📋	Chrome	5/25/2010	Safari	9/12/2022	4493
api.SharedWorker.error_event 📋	Chrome	5/25/2010	Safari	9/12/2022	4493
api.SharedWorker.port 📋	Chrome	5/25/2010	Safari	9/12/2022	4493
api.SharedWorkerGlobalScope 📋	Chrome	1/25/2010	Safari	9/12/2022	4613
api.SharedWorkerGlobalScope.close 📋	Chrome	1/25/2010	Safari	9/12/2022	4613
api.SharedWorkerGlobalScope.connect_event 📋	Chrome	1/25/2010	Safari	9/12/2022	4613
api.SharedWorkerGlobalScope.name 📋	Chrome	1/25/2010	Safari	9/12/2022	4613
api.SpeechSynthesis.voiceschanged_event 📋	Chrome	2/20/2014	Safari	9/12/2022	3126
api.SpeechSynthesisErrorEvent.SpeechSynthesisErrorEvent 📋	Firefox	9/20/2016	Safari	9/12/2022	2183
api.SpeechSynthesisEvent.SpeechSynthesisEvent 📋	Firefox	9/20/2016	Safari	9/12/2022	2183
api.SpeechSynthesisEvent.charLength 📋	Firefox	4/19/2017	Safari	9/12/2022	1972
api.SpeechSynthesisEvent.utterance 📋	Chrome	2/20/2014	Safari	9/12/2022	3126
api.Window.gamepadconnected_event 📋	Chrome	5/20/2014	Safari	9/12/2022	3037
api.Window.gamepaddisconnected_event 📋	Chrome	5/20/2014	Safari	9/12/2022	3037
api.WindowClient.navigate 📋	Chrome	3/2/2016	Safari	9/12/2022	2385
api.WorkerGlobalScope.importScripts.mime_checks	Chrome	12/4/2018	Safari	9/12/2022	1378
css.at-rules.media.forced-colors 📋	Chrome	3/2/2021	Safari	9/12/2022	559
css.at-rules.media.resolution 📋	Firefox	11/8/2011	Safari	9/12/2022	3961
css.properties.contain.inline-size 📋	Firefox	5/31/2022	Safari	9/12/2022	104
css.properties.flex-basis.fit-content	Chrome	9/21/2021	Safari	9/12/2022	356
css.properties.flex-basis.max-content	Firefox	3/19/2019	Safari	9/12/2022	1273
css.properties.flex-basis.min-content	Firefox	3/19/2019	Safari	9/12/2022	1273
css.properties.offset 📋	Chrome	12/1/2016	Safari	9/12/2022	2111
css.properties.offset-distance 📋	Chrome	12/1/2016	Safari	9/12/2022	2111
css.properties.offset-path.path	Chrome	1/23/2018	Safari	9/12/2022	1693
css.properties.offset-rotate 📋	Chrome	1/25/2017	Safari	9/12/2022	2056
css.properties.offset-rotate.auto 📋	Chrome	10/13/2015	Safari	9/12/2022	2526
css.properties.offset-rotate.reverse 📋	Chrome	10/13/2015	Safari	9/12/2022	2526
css.properties.overflow.clip 📋	Firefox	9/22/2020	Safari	9/12/2022	720
css.properties.overflow-x.clip 📋	Firefox	9/22/2020	Safari	9/12/2022	720
css.properties.overflow-y.clip 📋	Firefox	9/22/2020	Safari	9/12/2022	720
css.properties.overscroll-behavior 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior.auto 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior.contain 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior.none 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-block 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-block.auto 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-block.contain 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-block.none 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-inline 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-inline.auto 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-inline.contain 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-inline.none 📋	Chrome	9/10/2019	Safari	9/12/2022	1098
css.properties.overscroll-behavior-x 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-x.auto 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-x.contain 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-x.none 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-y 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-y.auto 📋	Chrome	12/6/2017	Safari	9/12/2022	1741
css.properties.overscroll-behavior-y.contain 📋	Firefox	3/13/2018	Safari	9/12/2022	1644
css.properties.overscroll-behavior-y.none 📋	Firefox	3/13/2018	Safari	9/12/2022	1644
css.properties.text-align-last 📋	Chrome	12/1/2015	Safari	9/12/2022	2477
css.properties.text-align-last.auto 📋	Firefox	4/24/2012	Safari	9/12/2022	3793
css.properties.user-select.all	Firefox	11/9/2004	Safari	9/12/2022	6516
css.types.basic-shape.path.offset-path 📋	Chrome	1/25/2017	Safari	9/12/2022	2056
css.types.overflow.clip	Firefox	9/22/2020	Safari	9/12/2022	720
css.types.resolution 📋	Firefox	11/8/2011	Safari	9/12/2022	3961
css.types.resolution.dpcm	Firefox	11/8/2011	Safari	9/12/2022	3961
css.types.resolution.dpi	Firefox	11/8/2011	Safari	9/12/2022	3961
css.types.resolution.dppx	Firefox	10/9/2012	Safari	9/12/2022	3625
css.types.resolution.x	Chrome	7/24/2018	Safari	9/12/2022	1511
html.elements.textarea.placeholder.line_breaks	Chrome	7/16/2014	Safari	9/12/2022	2980
html.elements.video.autoplay.requires_muted_audio	Chrome	5/29/2018	Safari	9/12/2022	1567
javascript.classes.public_class_fields 📋	Chrome	1/29/2019	Safari	9/12/2022	1322
css.selectors.modal 📋	Safari	7/20/2022	Chrome	9/2/2022	44

2022/8

API	First Browser	Date	Last Browser	Date	Days
api.RTCStatsReport.type_inbound-rtp.concealedSamples 📋	Chrome	10/20/2020	Firefox	8/23/2022	672
api.RTCStatsReport.type_inbound-rtp.jitterBufferDelay 📋	Chrome	10/20/2020	Firefox	8/23/2022	672
api.RTCStatsReport.type_inbound-rtp.jitterBufferEmittedCount 📋	Chrome	10/20/2020	Firefox	8/23/2022	672
api.RTCStatsReport.type_inbound-rtp.silentConcealedSamples 📋	Chrome	10/20/2020	Firefox	8/23/2022	672
api.RTCStatsReport.type_inbound-rtp.totalSamplesReceived 📋	Chrome	10/20/2020	Firefox	8/23/2022	672
api.SVGStyleElement.disabled 📋	Safari	7/25/2012	Firefox	8/23/2022	3681
javascript.builtins.Array.findLast 📋	Chrome	1/4/2022	Firefox	8/23/2022	231
javascript.builtins.Array.findLastIndex 📋	Chrome	1/4/2022	Firefox	8/23/2022	231
javascript.builtins.TypedArray.findLast 📋	Chrome	1/4/2022	Firefox	8/23/2022	231
javascript.builtins.TypedArray.findLastIndex 📋	Chrome	1/4/2022	Firefox	8/23/2022	231
css.properties.rotate 📋	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.rotate.none 📋	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.rotate.x_y_z_angle	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.scale 📋	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.scale.none 📋	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.translate 📋	Firefox	1/7/2020	Chrome	8/2/2022	938
css.properties.translate.none 📋	Firefox	1/7/2020	Chrome	8/2/2022	938

2022/7

API	First Browser	Date	Last Browser	Date	Days
api.Performance.measure.measureOptions_parameter	Chrome	9/10/2019	Firefox	7/26/2022	1050
api.Performance.measure.returns_performancemeasure	Chrome	10/22/2019	Firefox	7/26/2022	1008
api.PerformanceMeasure.detail 📋	Chrome	10/22/2019	Firefox	7/26/2022	1008
api.caches.secure_context_required	Chrome	3/6/2018	Firefox	7/26/2022	1603
css.properties.contain.style 📋	Chrome	7/20/2016	Firefox	7/26/2022	2197
css.properties.scroll-snap-stop 📋	Chrome	6/4/2019	Firefox	7/26/2022	1148
css.properties.scroll-snap-stop.always 📋	Chrome	6/4/2019	Firefox	7/26/2022	1148
css.properties.scroll-snap-stop.normal 📋	Chrome	6/4/2019	Firefox	7/26/2022	1148
css.properties.align-content.flex_context.start_end	Firefox	3/8/2016	Safari	7/20/2022	2325

2022/6

API	First Browser	Date	Last Browser	Date	Days
api.ReadableStream.pipeThrough 📋	Safari	3/27/2017	Firefox	6/28/2022	1919
api.TransformStream 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStream.TransformStream 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStream.readable 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStream.writable 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStreamDefaultController 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStreamDefaultController.desiredSize 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStreamDefaultController.enqueue 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStreamDefaultController.error 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491
api.TransformStreamDefaultController.terminate 📋	Chrome	5/29/2018	Firefox	6/28/2022	1491

2022/5

API	First Browser	Date	Last Browser	Date	Days
api.CanvasRenderingContext2D.direction 📋	Safari	9/30/2015	Firefox	5/31/2022	2435
api.Performance.mark.markOptions_parameter	Chrome	10/22/2019	Firefox	5/31/2022	952
api.Performance.mark.returns_performancemark	Chrome	10/22/2019	Firefox	5/31/2022	952
api.PerformanceMark.PerformanceMark 📋	Chrome	7/30/2019	Firefox	5/31/2022	1036
api.PerformanceMark.detail 📋	Chrome	10/22/2019	Firefox	5/31/2022	952
api.RTCRtpSender.setParameters.parameters_encodings_parameter.maxFramerate 📋	Safari	9/19/2017	Firefox	5/31/2022	1715
css.at-rules.media.prefers-contrast 📋	Safari	4/26/2021	Firefox	5/31/2022	400
html.global_attributes.nonce.nonce_hiding 📋	Chrome	9/5/2017	Safari	5/16/2022	1714
api.RTCStatsReport.type_outbound-rtp.headerBytesSent 📋	Chrome	2/4/2020	Firefox	5/3/2022	819
api.RTCStatsReport.type_outbound-rtp.retransmittedBytesSent 📋	Chrome	2/4/2020	Firefox	5/3/2022	819
api.RTCStatsReport.type_outbound-rtp.retransmittedPacketsSent 📋	Chrome	2/4/2020	Firefox	5/3/2022	819
api.ReadableStream.pipeTo 📋	Safari	3/27/2017	Firefox	5/3/2022	1863
api.ReadableStreamDefaultReader.ReadableStreamDefaultReader 📋	Safari	9/20/2016	Firefox	5/3/2022	2051
api.WritableStream 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStream.WritableStream 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStream.abort 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStream.close 📋	Chrome	4/7/2020	Firefox	5/3/2022	756
api.WritableStream.getWriter 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStream.locked 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultController 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultController.error 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.WritableStreamDefaultWriter 📋	Chrome	10/22/2019	Firefox	5/3/2022	924
api.WritableStreamDefaultWriter.abort 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.close 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.closed 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.desiredSize 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.ready 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.releaseLock 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
api.WritableStreamDefaultWriter.write 📋	Chrome	6/5/2017	Firefox	5/3/2022	1793
css.at-rules.media.dynamic-range 📋	Safari	3/24/2020	Firefox	5/3/2022	770

2022/4

API	First Browser	Date	Last Browser	Date	Days
api.MediaCapabilities.encodingInfo 📋	Firefox	10/23/2018	Chrome	4/26/2022	1281
css.types.color.hwb 📋	Safari	9/20/2021	Chrome	4/26/2022	218
api.FetchEvent.preloadResponse 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.NavigationPreloadManager 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.NavigationPreloadManager.disable 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.NavigationPreloadManager.enable 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.NavigationPreloadManager.getState 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.NavigationPreloadManager.setHeaderValue 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
api.RTCPeerConnection.setConfiguration 📋	Chrome	1/20/2016	Firefox	4/5/2022	2267
api.ServiceWorkerRegistration.navigationPreload 📋	Chrome	6/5/2017	Firefox	4/5/2022	1765
css.properties.mix-blend-mode.plus-lighter 📋	Safari	3/21/2016	Firefox	4/5/2022	2206
css.properties.scroll-snap-type 📋	Safari	9/19/2017	Firefox	4/5/2022	1659

2022/3

API	First Browser	Date	Last Browser	Date	Days
api.AbortSignal.throwIfAborted 📋	Firefox	2/8/2022	Chrome	3/29/2022	49
api.Window.moveTo.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.Window.open.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.Window.screenLeft.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.Window.screenTop.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.Window.screenX.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.Window.screenY.relative-multi-screen	Safari	6/23/2003	Chrome	3/29/2022	6854
api.AbortController.abort.reason_parameter 📋	Chrome	2/1/2022	Safari	3/14/2022	41
api.AbortSignal.abort_static.reason_parameter 📋	Chrome	2/1/2022	Safari	3/14/2022	41
api.AbortSignal.reason 📋	Chrome	2/1/2022	Safari	3/14/2022	41
api.BroadcastChannel 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.BroadcastChannel.BroadcastChannel 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.BroadcastChannel.close 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.BroadcastChannel.message_event 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.BroadcastChannel.messageerror_event 📋	Chrome	7/25/2017	Safari	3/14/2022	1693
api.BroadcastChannel.name 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.BroadcastChannel.postMessage 📋	Firefox	5/12/2015	Safari	3/14/2022	2498
api.CSSImportRule.layerName 📋	Firefox	2/8/2022	Safari	3/14/2022	34
api.CSSLayerBlockRule 📋	Firefox	2/8/2022	Safari	3/14/2022	34
api.CSSLayerBlockRule.name 📋	Firefox	2/8/2022	Safari	3/14/2022	34
api.CSSLayerStatementRule 📋	Firefox	2/8/2022	Safari	3/14/2022	34
api.CSSLayerStatementRule.nameList 📋	Firefox	2/8/2022	Safari	3/14/2022	34
api.Crypto.randomUUID 📋	Chrome	7/20/2021	Safari	3/14/2022	237
api.Document.securitypolicyviolation_event 📋	Chrome	7/30/2019	Safari	3/14/2022	958
api.HTMLDialogElement 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.cancel_event 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.close 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.close_event 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.open 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.returnValue 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.show 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLDialogElement.showModal 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.HTMLElement.nonce 📋	Chrome	9/5/2017	Safari	3/14/2022	1651
api.HTMLImageElement.loading 📋	Chrome	9/10/2019	Safari	3/14/2022	916
api.Lock 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.Lock.mode 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.Lock.name 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.LockManager 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.LockManager.query 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.LockManager.request 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.Navigator.hardwareConcurrency 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.Navigator.locks 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.RTCDtlsTransport 📋	Chrome	1/29/2019	Safari	3/14/2022	1140
api.RTCDtlsTransport.state 📋	Chrome	1/29/2019	Safari	3/14/2022	1140
api.RTCDtlsTransport.statechange_event	Chrome	1/29/2019	Safari	3/14/2022	1140
api.RTCPeerConnection.canTrickleIceCandidates 📋	Firefox	6/7/2016	Safari	3/14/2022	2106
api.RTCPeerConnection.setRemoteDescription.implicit_rollback	Firefox	10/22/2019	Safari	3/14/2022	874
api.RTCRtpReceiver.transport 📋	Chrome	6/5/2017	Safari	3/14/2022	1743
api.RTCRtpSender.transport 📋	Chrome	6/4/2019	Safari	3/14/2022	1014
api.RTCStatsReport.type_inbound-rtp.packetsDiscarded 📋	Chrome	9/21/2021	Safari	3/14/2022	174
api.RTCStatsReport.type_outbound-rtp.nackCount 📋	Firefox	8/8/2017	Safari	3/14/2022	1679
api.ResizeObserver.observe.options_box_parameter	Firefox	9/3/2019	Safari	3/14/2022	923
api.ResizeObserverEntry.borderBoxSize 📋	Chrome	7/27/2020	Safari	3/14/2022	595
api.ResizeObserverEntry.contentBoxSize 📋	Chrome	7/27/2020	Safari	3/14/2022	595
api.ResizeObserverSize 📋	Firefox	9/3/2019	Safari	3/14/2022	923
api.ResizeObserverSize.blockSize 📋	Firefox	9/3/2019	Safari	3/14/2022	923
api.ResizeObserverSize.inlineSize 📋	Firefox	9/3/2019	Safari	3/14/2022	923
api.SVGElement.nonce 📋	Chrome	9/5/2017	Safari	3/14/2022	1651
api.SubmitEvent.submitter 📋	Chrome	4/7/2020	Safari	3/14/2022	706
api.WorkerNavigator.hardwareConcurrency 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
api.WorkerNavigator.locks 📋	Chrome	9/4/2018	Safari	3/14/2022	1287
api.WorkerNavigator.mediaCapabilities 📋	Firefox	10/23/2018	Safari	3/14/2022	1238
api.reportError 📋	Firefox	10/5/2021	Safari	3/14/2022	160
api.structuredClone 📋	Firefox	11/2/2021	Safari	3/14/2022	132
css.at-rules.import.layer 📋	Firefox	2/8/2022	Safari	3/14/2022	34
css.at-rules.layer 📋	Firefox	2/8/2022	Safari	3/14/2022	34
css.properties.accent-color 📋	Chrome	8/31/2021	Safari	3/14/2022	195
css.properties.accent-color.auto	Chrome	8/31/2021	Safari	3/14/2022	195
css.properties.align-items.flex_context.start_end	Firefox	3/8/2016	Safari	3/14/2022	2197
css.properties.align-self.flex_context.start_end	Firefox	3/8/2016	Safari	3/14/2022	2197
css.properties.appearance 📋	Chrome	7/27/2020	Safari	3/14/2022	595
css.properties.appearance.auto 📋	Chrome	5/19/2020	Safari	3/14/2022	664
css.properties.backface-visibility 📋	Firefox	10/9/2012	Safari	3/14/2022	3443
css.properties.background-attachment.fixed 📋	Firefox	10/24/2006	Safari	3/14/2022	5620
css.properties.background-attachment.local 📋	Chrome	12/11/2008	Safari	3/14/2022	4841
css.properties.contain 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.content 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.layout 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.none 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.paint 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.size 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.contain.strict 📋	Chrome	7/20/2016	Safari	3/14/2022	2063
css.properties.flex-basis.content	Firefox	6/26/2018	Safari	3/14/2022	1357
css.properties.justify-content.flex_context.start_end	Firefox	3/8/2016	Safari	3/14/2022	2197
css.properties.offset-path 📋	Chrome	12/1/2016	Safari	3/14/2022	1929
css.properties.overflow-wrap.anywhere 📋	Firefox	1/29/2019	Safari	3/14/2022	1140
css.properties.print-color-adjust 📋	Chrome	2/8/2012	Safari	3/14/2022	3687
css.properties.scroll-behavior 📋	Firefox	2/24/2015	Safari	3/14/2022	2575
css.properties.scroll-behavior.auto 📋	Firefox	2/24/2015	Safari	3/14/2022	2575
css.properties.scroll-behavior.smooth 📋	Firefox	2/24/2015	Safari	3/14/2022	2575
css.properties.text-align.match-parent 📋	Chrome	12/13/2011	Safari	3/14/2022	3744
css.properties.text-combine-upright 📋	Chrome	1/20/2016	Safari	3/14/2022	2245
css.properties.text-decoration-skip-ink 📋	Chrome	1/23/2018	Safari	3/14/2022	1511
css.properties.text-decoration-skip-ink.auto 📋	Chrome	1/23/2018	Safari	3/14/2022	1511
css.properties.text-decoration-skip-ink.none 📋	Chrome	1/23/2018	Safari	3/14/2022	1511
css.selectors.backdrop 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
css.selectors.backdrop.dialog	Chrome	1/14/2014	Safari	3/14/2022	2981
css.selectors.focus-visible 📋	Chrome	10/20/2020	Safari	3/14/2022	510
css.types.global_keywords.revert-layer 📋	Firefox	2/8/2022	Safari	3/14/2022	34
css.types.transform-function.perspective.none 📋	Firefox	10/5/2021	Safari	3/14/2022	160
html.elements.dialog 📋	Chrome	8/26/2014	Safari	3/14/2022	2757
html.elements.dialog.open	Chrome	8/26/2014	Safari	3/14/2022	2757
html.elements.img.loading 📋	Chrome	9/10/2019	Safari	3/14/2022	916
html.global_attributes.nonce 📋	Firefox	7/22/2014	Safari	3/14/2022	2792
javascript.builtins.Array.at 📋	Firefox	7/13/2021	Safari	3/14/2022	244
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter.extended_values	Firefox	8/10/2021	Safari	3/14/2022	216
javascript.builtins.Intl.supportedValuesOf 📋	Firefox	10/5/2021	Safari	3/14/2022	160
javascript.builtins.Object.hasOwn 📋	Chrome	8/31/2021	Safari	3/14/2022	195
javascript.builtins.String.at 📋	Firefox	7/13/2021	Safari	3/14/2022	244
javascript.builtins.TypedArray.at 📋	Firefox	7/13/2021	Safari	3/14/2022	244
api.HTMLElement.outerText 📋	Safari	4/15/2005	Firefox	3/8/2022	6171
api.RTCStatsReport.type_codec 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.channels 📋	Chrome	5/19/2020	Firefox	3/8/2022	658
api.RTCStatsReport.type_codec.clockRate 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.id 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.mimeType 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.payloadType 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.sdpFmtpLine 📋	Chrome	5/19/2020	Firefox	3/8/2022	658
api.RTCStatsReport.type_codec.timestamp 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_codec.type 📋	Chrome	2/4/2020	Firefox	3/8/2022	763
api.RTCStatsReport.type_outbound-rtp.codecId 📋	Safari	9/19/2017	Firefox	3/8/2022	1631
api.RTCStatsReport.type_remote-inbound-rtp.codecId 📋	Safari	9/19/2017	Firefox	3/8/2022	1631
api.RTCStatsReport.type_remote-outbound-rtp.codecId 📋	Safari	9/19/2017	Firefox	3/8/2022	1631
api.createImageBitmap.options_colorSpaceConversion_parameter	Chrome	4/19/2017	Firefox	3/8/2022	1784
api.createImageBitmap.options_resizeHeight_parameter	Chrome	10/12/2016	Firefox	3/8/2022	1973
api.createImageBitmap.options_resizeWidth_parameter	Chrome	10/12/2016	Firefox	3/8/2022	1973
css.properties.hyphenate-character.auto 📋	Chrome	9/2/2010	Firefox	3/8/2022	4205
css.properties.text-emphasis 📋	Safari	10/22/2013	Chrome	3/1/2022	3052
css.properties.text-emphasis-color 📋	Safari	10/22/2013	Chrome	3/1/2022	3052
css.properties.text-emphasis-position 📋	Safari	10/22/2013	Chrome	3/1/2022	3052
css.properties.text-emphasis-style 📋	Safari	10/22/2013	Chrome	3/1/2022	3052
css.properties.text-emphasis-style.circle 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.dot 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.double-circle 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.filled 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.none 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.sesame 📋	Firefox	1/7/2020	Chrome	3/1/2022	784
css.properties.text-emphasis-style.triangle 📋	Firefox	1/7/2020	Chrome	3/1/2022	784

2022/2

API	First Browser	Date	Last Browser	Date	Days
api.ImageBitmapRenderingContext.canvas 📋	Safari	4/12/2018	Firefox	2/8/2022	1398
css.properties.color-scheme.only_dark	Safari	9/19/2019	Chrome	2/1/2022	866
css.properties.color-scheme.only_light	Safari	9/19/2019	Chrome	2/1/2022	866

2022/1

API	First Browser	Date	Last Browser	Date	Days
api.Navigator.canShare 📋	Safari	9/16/2020	Firefox	1/11/2022	482
api.RTCStatsReport.type_remote-inbound-rtp.roundTripTime 📋	Chrome	2/4/2020	Firefox	1/11/2022	707
css.properties.color-scheme 📋	Safari	9/19/2019	Firefox	1/11/2022	845
css.properties.color-scheme.dark	Safari	9/19/2019	Firefox	1/11/2022	845
css.properties.color-scheme.light	Safari	9/19/2019	Firefox	1/11/2022	845
css.properties.color-scheme.normal	Safari	9/19/2019	Firefox	1/11/2022	845
html.elements.meta.name.color-scheme 📋	Safari	3/25/2019	Firefox	1/11/2022	1023
css.properties.font-synthesis 📋	Firefox	12/1/2014	Chrome	1/4/2022	2591
css.properties.font-synthesis.small-caps	Safari	3/27/2017	Chrome	1/4/2022	1744
css.properties.font-synthesis.style	Safari	3/27/2017	Chrome	1/4/2022	1744
css.properties.font-synthesis.weight	Safari	3/27/2017	Chrome	1/4/2022	1744

2021/12

API	First Browser	Date	Last Browser	Date	Days
api.Navigator.storage 📋	Chrome	12/1/2016	Safari	12/13/2021	1838
api.StorageManager 📋	Chrome	12/1/2016	Safari	12/13/2021	1838
api.StorageManager.persist 📋	Chrome	12/1/2016	Safari	12/13/2021	1838
api.StorageManager.persisted 📋	Chrome	12/1/2016	Safari	12/13/2021	1838
api.WorkerNavigator.storage 📋	Chrome	12/1/2016	Safari	12/13/2021	1838
api.crossOriginIsolated 📋	Firefox	1/7/2020	Safari	12/13/2021	706
javascript.builtins.Atomics 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.add 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.and 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.compareExchange 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.exchange 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.isLockFree 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.load 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.notify 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.or 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.store 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.sub 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.wait 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.Atomics.xor 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.DataView.DataView.sharedarraybuffer_support	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.SharedArrayBuffer 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.SharedArrayBuffer.@@species 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.SharedArrayBuffer.SharedArrayBuffer 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.SharedArrayBuffer.byteLength 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
javascript.builtins.SharedArrayBuffer.slice 📋	Chrome	7/24/2018	Safari	12/13/2021	1238
api.HTMLElement.inputMode 📋	Chrome	4/17/2018	Firefox	12/7/2021	1330
html.global_attributes.inputmode 📋	Chrome	4/17/2018	Firefox	12/7/2021	1330

2021/11

API	First Browser	Date	Last Browser	Date	Days
api.Element.attachShadow.options_delegatesFocus_parameter 📋	Chrome	8/31/2016	Firefox	11/2/2021	1889
api.HTMLElement.enterKeyHint 📋	Chrome	9/10/2019	Firefox	11/2/2021	784
api.ShadowRoot.delegatesFocus 📋	Chrome	8/31/2016	Firefox	11/2/2021	1889
css.properties.block-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.height.fit-content 📋	Chrome	10/13/2015	Firefox	11/2/2021	2212
css.properties.inline-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.max-block-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.max-height.fit-content 📋	Chrome	10/13/2015	Firefox	11/2/2021	2212
css.properties.max-inline-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.max-width.fit-content 📋	Chrome	10/13/2015	Firefox	11/2/2021	2212
css.properties.min-block-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.min-height.fit-content	Chrome	10/13/2015	Firefox	11/2/2021	2212
css.properties.min-inline-size.fit-content	Chrome	3/9/2017	Firefox	11/2/2021	1699
css.properties.min-width.fit-content	Chrome	10/13/2015	Firefox	11/2/2021	2212
css.properties.width.fit-content 📋	Chrome	10/13/2015	Firefox	11/2/2021	2212
html.global_attributes.enterkeyhint 📋	Chrome	9/10/2019	Firefox	11/2/2021	784

2021/10

API	First Browser	Date	Last Browser	Date	Days
api.SVGAnimationElement.beginEvent_event 📋	Chrome	5/20/2014	Firefox	10/5/2021	2695
api.SVGAnimationElement.endEvent_event 📋	Chrome	5/20/2014	Firefox	10/5/2021	2695
api.SVGAnimationElement.repeatEvent_event 📋	Chrome	5/20/2014	Firefox	10/5/2021	2695
api.createImageBitmap.options_imageOrientation_parameter	Chrome	7/20/2016	Firefox	10/5/2021	1903
css.properties.image-rendering.pixelated 📋	Chrome	3/3/2015	Firefox	10/5/2021	2408
html.elements.input.type_datetime-local 📋	Chrome	6/26/2012	Firefox	10/5/2021	3388

2021/9

API	First Browser	Date	Last Browser	Date	Days
html.elements.iframe.allow.display-capture 📋	Safari	9/19/2019	Chrome	9/21/2021	733
api.AbortSignal.abort_static 📋	Firefox	4/19/2021	Safari	9/20/2021	154
api.CanvasRenderingContext2D.drawImage.ImageBitmap_source_image	Chrome	10/1/2013	Safari	9/20/2021	2911
api.Crypto.subtle.secure_context_required	Chrome	7/25/2017	Safari	9/20/2021	1518
api.EXT_color_buffer_float 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.EventTarget.addEventListener.options_parameter.options_signal_parameter 📋	Firefox	2/23/2021	Safari	9/20/2021	209
api.FormDataEvent 📋	Chrome	9/10/2019	Safari	9/20/2021	741
api.FormDataEvent.FormDataEvent 📋	Chrome	9/10/2019	Safari	9/20/2021	741
api.FormDataEvent.formData 📋	Chrome	9/10/2019	Safari	9/20/2021	741
api.HTMLCanvasElement.getContext.webgl2_context	Firefox	1/24/2017	Safari	9/20/2021	1700
api.HTMLCanvasElement.getContext.webgl2_context.options_alpha_parameter 📋	Firefox	6/10/2014	Safari	9/20/2021	2659
api.HTMLCanvasElement.getContext.webgl2_context.options_failIfMajorPerformanceCaveat_parameter 📋	Firefox	9/22/2015	Safari	9/20/2021	2190
api.HTMLCanvasElement.getContext.webgl2_context.options_powerPreference_parameter 📋	Firefox	10/23/2018	Safari	9/20/2021	1063
api.HTMLElement.focus.options_preventScroll_parameter	Chrome	1/23/2018	Safari	9/20/2021	1336
api.HTMLFormElement.formdata_event 📋	Chrome	9/10/2019	Safari	9/20/2021	741
api.IDBCursor.request 📋	Chrome	7/30/2019	Safari	9/20/2021	783
api.IDBFactory.open 📋	Firefox	1/31/2012	Safari	9/20/2021	3520
api.IDBTransaction.commit 📋	Chrome	7/30/2019	Safari	9/20/2021	783
api.ImageBitmap 📋	Firefox	11/3/2015	Safari	9/20/2021	2148
api.ImageBitmap.close 📋	Firefox	4/26/2016	Safari	9/20/2021	1973
api.ImageBitmap.height 📋	Firefox	11/3/2015	Safari	9/20/2021	2148
api.ImageBitmap.width 📋	Firefox	11/3/2015	Safari	9/20/2021	2148
api.MediaError.message 📋	Firefox	3/7/2017	Safari	9/20/2021	1658
api.MediaSession 📋	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.metadata 📋	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.playbackState 📋	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler 📋	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.nexttrack_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.pause_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.play_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.previoustrack_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.seekbackward_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.seekforward_type	Chrome	3/12/2019	Safari	9/20/2021	923
api.MediaSession.setActionHandler.seekto_type	Chrome	10/22/2019	Safari	9/20/2021	699
api.MediaSession.setActionHandler.stop_type	Chrome	9/10/2019	Safari	9/20/2021	741
api.MediaSession.setPositionState 📋	Chrome	4/7/2020	Safari	9/20/2021	531
api.Navigator.mediaSession 📋	Chrome	3/12/2019	Safari	9/20/2021	923
api.Notification.requestPermission_static 📋	Chrome	6/26/2012	Safari	9/20/2021	3373
api.Notification.requestPermission_static.returns_promise	Chrome	12/1/2015	Safari	9/20/2021	2120
api.Performance.timeOrigin 📋	Firefox	4/19/2017	Safari	9/20/2021	1615
api.PerformanceNavigationTiming 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.domComplete 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.domContentLoadedEventEnd 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.domContentLoadedEventStart 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.domInteractive 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.loadEventEnd 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.loadEventStart 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.redirectCount 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.toJSON 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.type 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.unloadEventEnd 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceNavigationTiming.unloadEventStart 📋	Chrome	3/9/2017	Safari	9/20/2021	1656
api.PerformanceObserver.takeRecords 📋	Chrome	3/6/2018	Safari	9/20/2021	1294
api.RTCRtpSender.getParameters.return_object_property_rtcp 📋	Firefox	4/26/2016	Safari	9/20/2021	1973
api.RTCRtpSender.setParameters.parameters_rtcp_parameter 📋	Firefox	4/26/2016	Safari	9/20/2021	1973
api.SVGElement.focus.options_preventScroll_parameter	Firefox	7/9/2019	Safari	9/20/2021	804
api.SecurityPolicyViolationEvent.disposition 📋	Chrome	1/25/2017	Safari	9/20/2021	1699
api.SecurityPolicyViolationEvent.sample 📋	Chrome	6/5/2017	Safari	9/20/2021	1568
api.SubmitEvent 📋	Chrome	4/7/2020	Safari	9/20/2021	531
api.SubmitEvent.SubmitEvent 📋	Chrome	4/7/2020	Safari	9/20/2021	531
api.SubtleCrypto.secure_context_required	Chrome	7/25/2017	Safari	9/20/2021	1518
api.WebGL2RenderingContext 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.activeTexture 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.attachShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.beginQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.beginTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindAttribLocation 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindBuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindBufferBase 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindBufferRange 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindRenderbuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindSampler 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindTexture 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bindVertexArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blendColor 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blendEquation 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blendEquationSeparate 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blendFunc 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blendFuncSeparate 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.blitFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bufferData 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.bufferSubData 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.canvas 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.checkFramebufferStatus 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clear 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearBufferfi 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearBufferfv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearBufferiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearBufferuiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearColor 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearDepth 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clearStencil 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.clientWaitSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.colorMask 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.compileShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.compressedTexImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.compressedTexImage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.compressedTexSubImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.compressedTexSubImage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.copyBufferSubData 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.copyTexImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.copyTexSubImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.copyTexSubImage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createBuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createRenderbuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createSampler 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createTexture 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.createVertexArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.cullFace 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteBuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteRenderbuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteSampler 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteTexture 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.deleteVertexArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.depthFunc 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.depthMask 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.depthRange 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.detachShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.disable 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.disableVertexAttribArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawArrays 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawArraysInstanced 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawBuffers 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawElements 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawElementsInstanced 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawRangeElements 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawingBufferHeight 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.drawingBufferWidth 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.enable 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.enableVertexAttribArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.endQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.endTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.fenceSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.finish 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.flush 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.framebufferRenderbuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.framebufferTexture2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.framebufferTextureLayer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.frontFace 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.generateMipmap 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getActiveAttrib 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getActiveUniform 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getActiveUniformBlockName 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getActiveUniformBlockParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getActiveUniforms 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getAttachedShaders 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getAttribLocation 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getBufferParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getBufferSubData 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getContextAttributes 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getError 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getExtension 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getFragDataLocation 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getFramebufferAttachmentParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getIndexedParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getInternalformatParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getProgramInfoLog 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getProgramParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getQueryParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getRenderbufferParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getSamplerParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getShaderInfoLog 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getShaderParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getShaderPrecisionFormat 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getShaderSource 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getSupportedExtensions 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getSyncParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getTexParameter 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getTransformFeedbackVarying 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getUniform 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getUniformBlockIndex 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getUniformIndices 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getUniformLocation 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getVertexAttrib 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.getVertexAttribOffset 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.hint 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.invalidateFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.invalidateSubFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isBuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isContextLost 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isEnabled 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isFramebuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isRenderbuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isSampler 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isShader 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isTexture 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.isVertexArray 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.lineWidth 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.linkProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.pauseTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.pixelStorei 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.polygonOffset 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.readBuffer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.readPixels 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.renderbufferStorage 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.renderbufferStorageMultisample 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.resumeTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.sampleCoverage 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.samplerParameterf 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.samplerParameteri 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.scissor 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.shaderSource 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilFunc 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilFuncSeparate 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilMask 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilMaskSeparate 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilOp 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.stencilOpSeparate 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texImage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texParameterf 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texParameteri 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texStorage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texStorage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texSubImage2D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.texSubImage3D 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.transformFeedbackVaryings 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1i 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1iv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1ui 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform1uiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2i 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2iv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2ui 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform2uiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3i 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3iv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3ui 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform3uiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4i 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4iv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4ui 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniform4uiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformBlockBinding 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix2fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix2x3fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix2x4fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix3fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix3x2fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix3x4fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix4fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix4x2fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.uniformMatrix4x3fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.useProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.validateProgram 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib1f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib1fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib2f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib2fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib3f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib3fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib4f 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttrib4fv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribDivisor 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribI4i 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribI4iv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribI4ui 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribI4uiv 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribIPointer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.vertexAttribPointer 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.viewport 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGL2RenderingContext.waitSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGLQuery 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGLSampler 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGLSync 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGLTransformFeedback 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WebGLVertexArrayObject 📋	Firefox	1/24/2017	Safari	9/20/2021	1700
api.WheelEvent.pinch_to_zoom_support	Chrome	11/12/2013	Safari	9/20/2021	2869
api.XMLHttpRequest.send.body_URLSearchParams_type	Firefox	1/26/2016	Safari	9/20/2021	2064
api.createImageBitmap 📋	Firefox	11/3/2015	Safari	9/20/2021	2148
css.properties.aspect-ratio 📋	Chrome	1/19/2021	Safari	9/20/2021	244
css.properties.aspect-ratio.auto 📋	Chrome	1/19/2021	Safari	9/20/2021	244
css.properties.border-end-end-radius 📋	Firefox	3/19/2019	Safari	9/20/2021	916
css.properties.border-end-start-radius 📋	Firefox	3/19/2019	Safari	9/20/2021	916
css.properties.border-start-end-radius 📋	Firefox	3/19/2019	Safari	9/20/2021	916
css.properties.border-start-start-radius 📋	Firefox	3/19/2019	Safari	9/20/2021	916
css.properties.list-style-type.cjk-decimal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.disclosure-closed 📋	Firefox	10/14/2014	Safari	9/20/2021	2533
css.properties.list-style-type.disclosure-open 📋	Firefox	10/14/2014	Safari	9/20/2021	2533
css.properties.list-style-type.ethiopic-numeric 📋	Firefox	10/14/2014	Safari	9/20/2021	2533
css.properties.list-style-type.japanese-formal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.japanese-informal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.korean-hangul-formal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.korean-hanja-formal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.korean-hanja-informal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.simp-chinese-formal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.simp-chinese-informal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.tamil 📋	Firefox	10/14/2014	Safari	9/20/2021	2533
css.properties.list-style-type.trad-chinese-formal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.list-style-type.trad-chinese-informal 📋	Firefox	3/18/2014	Safari	9/20/2021	2743
css.properties.scroll-margin-block 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-margin-block-end 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-margin-block-start 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-margin-inline 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-margin-inline-end 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-margin-inline-start 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block-end 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block-end.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block-start 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-block-start.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline-end 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline-end.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline-start 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.properties.scroll-padding-inline-start.auto 📋	Chrome	9/4/2018	Safari	9/20/2021	1112
css.selectors.any-link.not_match_link	Chrome	3/6/2018	Safari	9/20/2021	1294
css.selectors.link.not_match_link	Chrome	12/11/2008	Safari	9/20/2021	4666
css.selectors.visited.not_match_link	Chrome	12/11/2008	Safari	9/20/2021	4666
css.types.gradient.linear-gradient.premultiplied_gradients	Chrome	8/20/2013	Safari	9/20/2021	2953
css.types.gradient.radial-gradient.premultiplied_gradients	Chrome	8/20/2013	Safari	9/20/2021	2953
html.elements.img.aspect_ratio_computed_from_attributes	Chrome	12/10/2019	Safari	9/20/2021	650
javascript.builtins.BigInt64Array 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.BigInt64Array.BigInt64Array 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.BigUint64Array 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.BigUint64Array.BigUint64Array 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.DataView.getBigInt64 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.DataView.getBigUint64 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.DataView.setBigInt64 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.DataView.setBigUint64 📋	Chrome	5/29/2018	Safari	9/20/2021	1210
javascript.builtins.Error.Error.options_cause_parameter 📋	Firefox	8/10/2021	Safari	9/20/2021	41
javascript.builtins.Error.cause 📋	Firefox	8/10/2021	Safari	9/20/2021	41
javascript.builtins.RegExp.hasIndices 📋	Chrome	4/13/2021	Safari	9/20/2021	160
javascript.classes.private_class_fields_in 📋	Chrome	5/25/2021	Safari	9/20/2021	118
javascript.classes.private_class_methods 📋	Chrome	7/27/2020	Safari	9/20/2021	420
javascript.operators.await.top_level 📋	Chrome	3/2/2021	Safari	9/20/2021	202
css.properties.break-inside.avoid-column	Chrome	2/4/2020	Firefox	9/7/2021	581
css.properties.break-inside.avoid-page	Chrome	2/4/2020	Firefox	9/7/2021	581
css.properties.break-inside.multicol_context.avoid-column	Chrome	4/13/2016	Firefox	9/7/2021	1973
css.properties.font-family.system-ui	Chrome	1/25/2017	Firefox	9/7/2021	1686

2021/8

API	First Browser	Date	Last Browser	Date	Days
api.EXT_texture_compression_rgtc 📋	Firefox	1/29/2019	Chrome	8/31/2021	945
css.properties.justify-content.flex_context.left_right	Safari	9/30/2015	Chrome	8/31/2021	2162
api.VisualViewport 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.height 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.offsetLeft 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.offsetTop 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.pageLeft 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.pageTop 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.resize_event 📋	Chrome	10/17/2017	Firefox	8/10/2021	1393
api.VisualViewport.scale 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.VisualViewport.scroll_event 📋	Chrome	10/17/2017	Firefox	8/10/2021	1393
api.VisualViewport.width 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
api.Window.visualViewport 📋	Chrome	9/5/2017	Firefox	8/10/2021	1435
css.properties.tab-size 📋	Chrome	7/31/2012	Firefox	8/10/2021	3297
javascript.builtins.Intl.DateTimeFormat.formatRange 📋	Chrome	7/30/2019	Firefox	8/10/2021	742
javascript.builtins.Intl.DateTimeFormat.formatRangeToParts 📋	Chrome	7/30/2019	Firefox	8/10/2021	742

2021/7

API	First Browser	Date	Last Browser	Date	Days
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_dayPeriod_parameter	Safari	4/26/2021	Chrome	7/20/2021	85
api.WheelEvent.wheelDelta	Safari	10/26/2007	Firefox	7/13/2021	5009
api.WheelEvent.wheelDeltaX	Safari	10/26/2007	Firefox	7/13/2021	5009
api.WheelEvent.wheelDeltaY	Safari	10/26/2007	Firefox	7/13/2021	5009
css.properties.scroll-margin 📋	Chrome	9/4/2018	Firefox	7/13/2021	1043
javascript.classes.private_class_fields 📋	Chrome	4/23/2019	Firefox	7/13/2021	812

2021/5

API	First Browser	Date	Last Browser	Date	Days
api.RTCStatsReport.type_remote-outbound-rtp 📋	Firefox	2/4/2014	Chrome	5/25/2021	2667
api.RTCStatsReport.type_remote-outbound-rtp.kind 📋	Firefox	10/23/2018	Chrome	5/25/2021	945
api.RTCStatsReport.type_remote-outbound-rtp.ssrc 📋	Firefox	2/4/2014	Chrome	5/25/2021	2667
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.IntlLegacyConstructedSymbol 📋	Firefox	6/13/2017	Chrome	5/25/2021	1442
javascript.builtins.Intl.NumberFormat.NumberFormat.IntlLegacyConstructedSymbol 📋	Firefox	6/13/2017	Chrome	5/25/2021	1442

2021/4

API	First Browser	Date	Last Browser	Date	Days
api.AbstractRange 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AbstractRange.collapsed 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AbstractRange.endContainer 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AbstractRange.endOffset 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AbstractRange.startContainer 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AbstractRange.startOffset 📋	Firefox	9/3/2019	Safari	4/26/2021	601
api.AnalyserNode.AnalyserNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.AnalyserNode.getFloatTimeDomainData 📋	Chrome	5/20/2014	Safari	4/26/2021	2533
api.AudioBuffer.AudioBuffer 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.AudioBuffer.copyFromChannel 📋	Firefox	2/4/2014	Safari	4/26/2021	2638
api.AudioBuffer.copyToChannel 📋	Firefox	2/4/2014	Safari	4/26/2021	2638
api.AudioBufferSourceNode.AudioBufferSourceNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.AudioBufferSourceNode.detune 📋	Chrome	7/21/2015	Safari	4/26/2021	2106
api.AudioContext 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.AudioContext.AudioContext 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.AudioContext.AudioContext.options_sampleRate_parameter 📋	Firefox	6/26/2018	Safari	4/26/2021	1035
api.AudioContext.baseLatency 📋	Chrome	4/19/2017	Safari	4/26/2021	1468
api.AudioContext.getOutputTimestamp 📋	Chrome	3/9/2017	Safari	4/26/2021	1509
api.AudioDestinationNode.maxChannelCount 📋	Chrome	5/21/2013	Safari	4/26/2021	2897
api.AudioParamMap 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.@@iterator	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.entries	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.forEach	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.get	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.has	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.keys	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.size	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioParamMap.values	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorklet 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletGlobalScope 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletGlobalScope.currentFrame 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletGlobalScope.currentTime 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletGlobalScope.registerProcessor 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletGlobalScope.sampleRate 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletNode 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletNode.AudioWorkletNode 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletNode.parameters 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletNode.port 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletNode.processorerror_event 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.AudioWorkletProcessor 📋	Chrome	1/23/2018	Safari	4/26/2021	1189
api.AudioWorkletProcessor.AudioWorkletProcessor 📋	Chrome	1/23/2018	Safari	4/26/2021	1189
api.AudioWorkletProcessor.port 📋	Chrome	1/23/2018	Safari	4/26/2021	1189
api.BaseAudioContext 📋	Chrome	1/25/2017	Safari	4/26/2021	1552
api.BaseAudioContext.audioWorklet 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
api.BaseAudioContext.createConstantSource 📋	Chrome	1/25/2017	Safari	4/26/2021	1552
api.BaseAudioContext.createIIRFilter 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.BaseAudioContext.createPeriodicWave.constraints_disableNormalization_parameter	Chrome	10/13/2015	Safari	4/26/2021	2022
api.BaseAudioContext.createStereoPanner 📋	Chrome	3/3/2015	Safari	4/26/2021	2246
api.BaseAudioContext.decodeAudioData.returns_promise	Firefox	2/24/2015	Safari	4/26/2021	2253
api.BiquadFilterNode.BiquadFilterNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.Blob.stream 📋	Chrome	7/30/2019	Safari	4/26/2021	636
api.CSSConditionRule 📋	Firefox	4/2/2013	Safari	4/26/2021	2946
api.CSSConditionRule.conditionText 📋	Firefox	4/2/2013	Safari	4/26/2021	2946
api.CSSGroupingRule 📋	Firefox	4/2/2013	Safari	4/26/2021	2946
api.ChannelMergerNode.ChannelMergerNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.ChannelSplitterNode.ChannelSplitterNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.ConstantSourceNode 📋	Chrome	1/25/2017	Safari	4/26/2021	1552
api.ConstantSourceNode.ConstantSourceNode 📋	Chrome	1/25/2017	Safari	4/26/2021	1552
api.ConstantSourceNode.offset 📋	Chrome	1/25/2017	Safari	4/26/2021	1552
api.ConvolverNode.ConvolverNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.DataTransfer.DataTransfer 📋	Chrome	6/5/2017	Safari	4/26/2021	1421
api.DelayNode.DelayNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.Document.visibilitychange_event 📋	Firefox	9/28/2017	Safari	4/26/2021	1306
api.DynamicsCompressorNode.DynamicsCompressorNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.EXT_float_blend 📋	Firefox	5/21/2019	Safari	4/26/2021	706
api.GainNode.GainNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.HTMLAreaElement.referrerPolicy 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.HTMLLinkElement.referrerPolicy 📋	Firefox	11/15/2016	Safari	4/26/2021	1623
api.IIRFilterNode 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.IIRFilterNode.IIRFilterNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.IIRFilterNode.getFrequencyResponse 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.MediaElementAudioSourceNode.MediaElementAudioSourceNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.MediaRecorder 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.MediaRecorder 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.MediaRecorder.options_parameter	Firefox	12/15/2015	Safari	4/26/2021	1959
api.MediaRecorder.audioBitsPerSecond 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.MediaRecorder.dataavailable_event 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.error_event 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.isTypeSupported_static 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.mimeType 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.pause 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.pause_event 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.MediaRecorder.requestData 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.resume 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.resume_event 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.MediaRecorder.start 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.start_event 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.state 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.stop 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.stop_event 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.stream 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.MediaRecorder.videoBitsPerSecond 📋	Chrome	3/2/2016	Safari	4/26/2021	1881
api.MediaStreamAudioDestinationNode.MediaStreamAudioDestinationNode 📋	Chrome	3/9/2017	Safari	4/26/2021	1509
api.MediaStreamAudioSourceNode.MediaStreamAudioSourceNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.OES_fbo_render_mipmap 📋	Firefox	12/10/2019	Safari	4/26/2021	503
api.OfflineAudioContext 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.OfflineAudioContext.OfflineAudioContext 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.OfflineAudioContext.OfflineAudioContext.options_parameter	Chrome	10/17/2017	Safari	4/26/2021	1287
api.OfflineAudioContext.length 📋	Chrome	5/25/2016	Safari	4/26/2021	1797
api.OfflineAudioContext.startRendering.returns_promise	Firefox	3/31/2015	Safari	4/26/2021	2218
api.OscillatorNode.OscillatorNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.PannerNode.PannerNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.PannerNode.orientationX 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.PannerNode.orientationY 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.PannerNode.orientationZ 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.PannerNode.positionX 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.PannerNode.positionY 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.PannerNode.positionZ 📋	Chrome	7/20/2016	Safari	4/26/2021	1741
api.Performance.toJSON 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.PerformanceNavigation.toJSON 📋	Firefox	10/29/2013	Safari	4/26/2021	2736
api.PerformancePaintTiming 📋	Chrome	7/25/2017	Safari	4/26/2021	1371
api.PerformancePaintTiming.first-contentful-paint 📋	Chrome	7/25/2017	Safari	4/26/2021	1371
api.PeriodicWave.PeriodicWave 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.RTCIceCandidate.usernameFragment 📋	Chrome	4/23/2019	Safari	4/26/2021	734
api.RTCPeerConnection.restartIce 📋	Chrome	9/10/2019	Safari	4/26/2021	594
api.RTCPeerConnection.setLocalDescription.description_parameter_optional	Chrome	2/4/2020	Safari	4/26/2021	447
api.RTCStatsReport.type_remote-inbound-rtp.id 📋	Firefox	1/7/2020	Safari	4/26/2021	475
api.RTCStatsReport.type_remote-inbound-rtp.localId 📋	Firefox	1/7/2020	Safari	4/26/2021	475
api.RTCStatsReport.type_remote-inbound-rtp.timestamp 📋	Firefox	1/7/2020	Safari	4/26/2021	475
api.RTCStatsReport.type_remote-inbound-rtp.type 📋	Firefox	1/7/2020	Safari	4/26/2021	475
api.Request.formData 📋	Firefox	7/2/2015	Safari	4/26/2021	2125
api.Response.formData 📋	Firefox	7/2/2015	Safari	4/26/2021	2125
api.StereoPannerNode 📋	Chrome	3/3/2015	Safari	4/26/2021	2246
api.StereoPannerNode.StereoPannerNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.StereoPannerNode.pan 📋	Chrome	3/3/2015	Safari	4/26/2021	2246
api.TextEncoder.encodeInto 📋	Firefox	3/19/2019	Safari	4/26/2021	769
api.URL.URL 📋	Chrome	5/15/2012	Safari	4/26/2021	3268
api.WEBGL_compressed_texture_s3tc_srgb 📋	Chrome	7/25/2017	Safari	4/26/2021	1371
api.WaveShaperNode.WaveShaperNode 📋	Chrome	12/1/2016	Safari	4/26/2021	1607
api.Worklet 📋	Chrome	3/6/2018	Safari	4/26/2021	1147
api.Worklet.addModule 📋	Chrome	3/6/2018	Safari	4/26/2021	1147
api.WorkletGlobalScope 📋	Chrome	3/6/2018	Safari	4/26/2021	1147
css.at-rules.supports.selector	Firefox	9/3/2019	Safari	4/26/2021	601
css.properties.border-block 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-block-color 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-block-style 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-block-width 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-inline 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-inline-color 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-inline-style 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.border-inline-width 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.column-gap.flex_context 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.gap.flex_context 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.gap.multicol_context 📋	Chrome	4/17/2018	Safari	4/26/2021	1105
css.properties.inset 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.inset.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-block 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-block.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-block-end 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-block-end.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-block-start 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-block-start.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-inline 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-inline.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-inline-end 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-inline-end.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.inset-inline-start 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.inset-inline-start.auto 📋	Firefox	1/7/2020	Safari	4/26/2021	475
css.properties.list-style-type.string	Firefox	7/2/2015	Safari	4/26/2021	2125
css.properties.margin-block 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.margin-inline 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.padding-block 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.padding-inline 📋	Firefox	3/19/2019	Safari	4/26/2021	769
css.properties.quotes.auto 📋	Firefox	10/22/2019	Safari	4/26/2021	552
css.properties.row-gap.flex_context 📋	Firefox	10/23/2018	Safari	4/26/2021	916
css.properties.scroll-margin-bottom 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-margin-left 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-margin-right 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-margin-top 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-padding 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-padding-bottom 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-padding-left 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-padding-right 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.properties.scroll-padding-top 📋	Chrome	9/4/2018	Safari	4/26/2021	965
css.selectors.file-selector-button 📋	Firefox	10/20/2020	Safari	4/26/2021	188
html.elements.input.type_date 📋	Chrome	6/26/2012	Safari	4/26/2021	3226
html.elements.input.type_time 📋	Chrome	6/26/2012	Safari	4/26/2021	3226
javascript.builtins.FinalizationRegistry 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.FinalizationRegistry.FinalizationRegistry 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.FinalizationRegistry.register 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.FinalizationRegistry.unregister 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.Intl.Collator.Collator.options_collation_parameter	Chrome	10/20/2020	Safari	4/26/2021	188
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_calendar_parameter	Chrome	2/4/2020	Safari	4/26/2021	447
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_dateStyle_parameter	Chrome	7/30/2019	Safari	4/26/2021	636
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_fractionalSecondDigits_parameter	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_numberingSystem_parameter	Chrome	2/4/2020	Safari	4/26/2021	447
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeStyle_parameter	Chrome	7/30/2019	Safari	4/26/2021	636
javascript.builtins.Intl.DisplayNames 📋	Chrome	4/7/2020	Safari	4/26/2021	384
javascript.builtins.Intl.DisplayNames.DisplayNames 📋	Chrome	4/7/2020	Safari	4/26/2021	384
javascript.builtins.Intl.DisplayNames.of 📋	Chrome	4/7/2020	Safari	4/26/2021	384
javascript.builtins.Intl.DisplayNames.resolvedOptions 📋	Chrome	4/7/2020	Safari	4/26/2021	384
javascript.builtins.Intl.DisplayNames.supportedLocalesOf 📋	Chrome	4/7/2020	Safari	4/26/2021	384
javascript.builtins.Intl.ListFormat 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.ListFormat.ListFormat 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.ListFormat.format 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.ListFormat.formatToParts 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.ListFormat.resolvedOptions 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.ListFormat.supportedLocalesOf 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_compactDisplay_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currencyDisplay_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currencySign_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_notation_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_signDisplay_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_unitDisplay_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_unit_parameter	Chrome	9/10/2019	Safari	4/26/2021	594
javascript.builtins.WeakRef 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.WeakRef.WeakRef 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.builtins.WeakRef.deref 📋	Chrome	7/27/2020	Safari	4/26/2021	273
javascript.classes.static_class_fields 📋	Chrome	1/29/2019	Safari	4/26/2021	818
javascript.statements.export.namespace 📋	Chrome	1/29/2019	Safari	4/26/2021	818
api.StaticRange.StaticRange 📋	Firefox	12/10/2019	Chrome	4/13/2021	490

2021/3

API	First Browser	Date	Last Browser	Date	Days
api.Element.beforeinput_event 📋	Safari	3/27/2017	Firefox	3/23/2021	1457
api.InputEvent.getTargetRanges 📋	Safari	3/27/2017	Firefox	3/23/2021	1457
api.MediaSource.sourceclose_event 📋	Chrome	8/31/2016	Firefox	3/23/2021	1665
api.Navigator.share 📋	Safari	3/25/2019	Chrome	3/2/2021	708
api.Navigator.share.data_text_parameter 📋	Firefox	12/10/2019	Chrome	3/2/2021	448
css.properties.text-decoration-thickness 📋	Safari	3/25/2019	Chrome	3/2/2021	708

2021/1

API	First Browser	Date	Last Browser	Date	Days
css.properties.touch-action.pinch-zoom	Chrome	1/25/2017	Firefox	1/26/2021	1462
html.elements.link.rel.preload 📋	Chrome	4/13/2016	Firefox	1/26/2021	1749
html.elements.link.rel.preload.as-fetch	Chrome	4/13/2016	Firefox	1/26/2021	1749
html.elements.link.rel.preload.as-font	Chrome	4/13/2016	Firefox	1/26/2021	1749
html.elements.link.rel.preload.as-image	Chrome	4/13/2016	Firefox	1/26/2021	1749
html.elements.link.rel.preload.as-script	Chrome	4/13/2016	Firefox	1/26/2021	1749
html.elements.link.rel.preload.as-style	Chrome	4/13/2016	Firefox	1/26/2021	1749
api.RTCRtpTransceiver.stop 📋	Safari	9/19/2017	Chrome	1/19/2021	1218
css.properties.clip-path.path	Firefox	12/10/2019	Chrome	1/19/2021	406
css.properties.hyphens.auto	Safari	7/20/2011	Chrome	1/19/2021	3471
css.selectors.is 📋	Firefox	6/30/2020	Chrome	1/19/2021	203
css.selectors.is.forgiving_selector_list	Safari	9/16/2020	Chrome	1/19/2021	125
css.selectors.not.selector_list	Safari	9/30/2015	Chrome	1/19/2021	1938
css.selectors.where 📋	Firefox	6/30/2020	Chrome	1/19/2021	203
css.selectors.where.forgiving_selector_list	Safari	9/16/2020	Chrome	1/19/2021	125
css.types.basic-shape.path.clip-path 📋	Firefox	1/7/2020	Chrome	1/19/2021	378
html.elements.a.implicit_noopener	Safari	3/25/2019	Chrome	1/19/2021	666
html.elements.area.implicit_noopener	Safari	3/25/2019	Chrome	1/19/2021	666

2020/11

API	First Browser	Date	Last Browser	Date	Days
api.Element.transitioncancel_event 📋	Firefox	4/19/2017	Chrome	11/17/2020	1308
css.properties.hyphens.language_croatian	Firefox	11/8/2011	Chrome	11/17/2020	3297
css.properties.hyphens.language_danish	Safari	7/20/2011	Chrome	11/17/2020	3408
css.properties.hyphens.language_french	Safari	7/20/2011	Chrome	11/17/2020	3408
css.properties.hyphens.language_german_reformed_orthography	Safari	7/20/2011	Chrome	11/17/2020	3408
css.properties.hyphens.language_hungarian	Firefox	12/20/2011	Chrome	11/17/2020	3255
css.properties.hyphens.language_norwegian_no	Safari	7/20/2011	Chrome	11/17/2020	3408
css.properties.hyphens.language_portuguese	Firefox	11/8/2011	Chrome	11/17/2020	3297
css.properties.hyphens.language_spanish	Safari	7/20/2011	Chrome	11/17/2020	3408
css.properties.text-decoration-thickness.auto 📋	Safari	3/25/2019	Chrome	11/17/2020	603
css.properties.text-decoration-thickness.from-font 📋	Safari	3/25/2019	Chrome	11/17/2020	603
css.properties.text-underline-offset 📋	Safari	3/25/2019	Chrome	11/17/2020	603
css.properties.text-underline-offset.auto 📋	Safari	3/25/2019	Chrome	11/17/2020	603
css.properties.text-underline-position.from-font	Safari	3/25/2019	Chrome	11/17/2020	603
css.types.gradient.conic-gradient 📋	Chrome	9/4/2018	Firefox	11/17/2020	805
css.types.gradient.conic-gradient.doubleposition	Chrome	1/29/2019	Firefox	11/17/2020	658
css.types.gradient.repeating-conic-gradient 📋	Chrome	9/4/2018	Firefox	11/17/2020	805

2020/10

API	First Browser	Date	Last Browser	Date	Days
api.Document.replaceChildren 📋	Firefox	6/30/2020	Chrome	10/20/2020	112
api.DocumentFragment.replaceChildren 📋	Firefox	6/30/2020	Chrome	10/20/2020	112
api.Element.replaceChildren 📋	Firefox	6/30/2020	Chrome	10/20/2020	112
api.Element.scrollLeft 📋	Safari	6/23/2003	Chrome	10/20/2020	6329
api.MediaMetadata 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
api.MediaMetadata.MediaMetadata 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
api.MediaMetadata.album 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
api.MediaMetadata.artist 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
api.MediaMetadata.artwork 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
api.MediaMetadata.title 📋	Chrome	3/9/2017	Firefox	10/20/2020	1321
css.selectors.marker 📋	Safari	4/12/2018	Chrome	10/20/2020	922

2020/9

API	First Browser	Date	Last Browser	Date	Days
css.properties.flex-direction.column-reverse 📋	Chrome	7/31/2012	Firefox	9/22/2020	2975
css.properties.flex-direction.row-reverse 📋	Chrome	7/31/2012	Firefox	9/22/2020	2975
api.AudioScheduledSourceNode 📋	Chrome	3/9/2017	Safari	9/16/2020	1287
api.Blob.arrayBuffer 📋	Chrome	7/30/2019	Safari	9/16/2020	414
api.Blob.text 📋	Chrome	7/30/2019	Safari	9/16/2020	414
api.BlobEvent 📋	Firefox	5/14/2013	Safari	9/16/2020	2682
api.BlobEvent.BlobEvent 📋	Firefox	5/14/2013	Safari	9/16/2020	2682
api.BlobEvent.data 📋	Firefox	5/14/2013	Safari	9/16/2020	2682
api.Document.getAnimations 📋	Firefox	4/7/2020	Safari	9/16/2020	162
api.DragEvent 📋	Firefox	6/30/2009	Safari	9/16/2020	4096
api.DragEvent.DragEvent 📋	Firefox	6/30/2009	Safari	9/16/2020	4096
api.DragEvent.dataTransfer 📋	Firefox	6/30/2009	Safari	9/16/2020	4096
api.EXT_color_buffer_half_float 📋	Firefox	6/7/2016	Safari	9/16/2020	1562
api.Element.animate.options_pseudoElement_parameter 📋	Firefox	4/7/2020	Safari	9/16/2020	162
api.Element.scroll.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.Element.scrollBy.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.Element.scrollIntoView.options_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.Element.scrollTo.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.EventTarget.EventTarget 📋	Chrome	1/23/2018	Safari	9/16/2020	967
api.HTMLAnchorElement.referrerPolicy 📋	Chrome	7/20/2016	Safari	9/16/2020	1519
api.HTMLIFrameElement.referrerPolicy 📋	Chrome	7/20/2016	Safari	9/16/2020	1519
api.HTMLImageElement.referrerPolicy 📋	Chrome	7/20/2016	Safari	9/16/2020	1519
api.HTMLScriptElement.referrerPolicy 📋	Chrome	10/16/2018	Safari	9/16/2020	701
api.IntersectionObserver.IntersectionObserver.options_root_parameter_Document	Chrome	4/7/2020	Safari	9/16/2020	162
api.KeyframeEffect.pseudoElement 📋	Firefox	4/7/2020	Safari	9/16/2020	162
api.MediaQueryList.EventTarget_inheritance	Chrome	11/18/2014	Safari	9/16/2020	2129
api.MediaQueryList.change_event 📋	Chrome	11/18/2014	Safari	9/16/2020	2129
api.MediaQueryListEvent 📋	Chrome	11/18/2014	Safari	9/16/2020	2129
api.MediaQueryListEvent.MediaQueryListEvent 📋	Chrome	11/18/2014	Safari	9/16/2020	2129
api.MediaQueryListEvent.matches 📋	Chrome	11/18/2014	Safari	9/16/2020	2129
api.MediaQueryListEvent.media 📋	Chrome	11/18/2014	Safari	9/16/2020	2129
api.OfflineAudioCompletionEvent.OfflineAudioCompletionEvent 📋	Chrome	3/9/2017	Safari	9/16/2020	1287
api.RTCStatsReport.type_inbound-rtp.kind 📋	Firefox	10/23/2018	Safari	9/16/2020	694
api.RTCStatsReport.type_outbound-rtp.kind 📋	Firefox	10/23/2018	Safari	9/16/2020	694
api.RTCStatsReport.type_remote-inbound-rtp.kind 📋	Firefox	10/23/2018	Safari	9/16/2020	694
api.ShadowRoot.getAnimations 📋	Firefox	4/7/2020	Safari	9/16/2020	162
api.URLSearchParams.delete 📋	Firefox	4/29/2014	Safari	9/16/2020	2332
api.WEBGL_color_buffer_float 📋	Firefox	6/10/2014	Safari	9/16/2020	2290
api.WEBGL_debug_shaders 📋	Chrome	12/1/2015	Safari	9/16/2020	1751
api.WEBGL_debug_shaders.getTranslatedShaderSource 📋	Chrome	12/1/2015	Safari	9/16/2020	1751
api.Window.scroll.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.Window.scrollBy.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
api.Window.scrollTo.options_behavior_parameter	Firefox	2/24/2015	Safari	9/16/2020	2031
css.properties.animation-timing-function.jump	Firefox	1/29/2019	Safari	9/16/2020	596
css.properties.text-orientation 📋	Firefox	9/22/2015	Safari	9/16/2020	1821
css.properties.transition-timing-function.jump	Firefox	1/29/2019	Safari	9/16/2020	596
css.types.easing-function.steps.jump	Firefox	1/29/2019	Safari	9/16/2020	596
html.elements.a.referrerpolicy 📋	Chrome	5/25/2016	Safari	9/16/2020	1575
html.elements.area.referrerpolicy 📋	Chrome	5/25/2016	Safari	9/16/2020	1575
html.elements.iframe.referrerpolicy 📋	Chrome	5/25/2016	Safari	9/16/2020	1575
html.elements.img.referrerpolicy 📋	Chrome	5/25/2016	Safari	9/16/2020	1575
html.elements.link.referrerpolicy 📋	Chrome	5/25/2016	Safari	9/16/2020	1575
html.elements.script.referrerpolicy 📋	Chrome	10/16/2018	Safari	9/16/2020	701
html.elements.video.aspect_ratio_computed_from_attributes	Chrome	12/10/2019	Safari	9/16/2020	281
javascript.builtins.AggregateError 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.builtins.AggregateError.AggregateError 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.builtins.AggregateError.errors 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.builtins.BigInt 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.BigInt 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.asIntN 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.asUintN 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.toLocaleString 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.toLocaleString.locales_parameter	Chrome	7/30/2019	Safari	9/16/2020	414
javascript.builtins.BigInt.toLocaleString.options_parameter	Chrome	7/30/2019	Safari	9/16/2020	414
javascript.builtins.BigInt.toString 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.BigInt.valueOf 📋	Chrome	5/29/2018	Safari	9/16/2020	841
javascript.builtins.Intl.Locale 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.Locale 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.baseName 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.calendar 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.caseFirst 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.collation 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.hourCycle 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.language 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.maximize 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.minimize 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.numberingSystem 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.numeric 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.region 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.script 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.Locale.toString 📋	Chrome	4/23/2019	Safari	9/16/2020	512
javascript.builtins.Intl.RelativeTimeFormat 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.locales_parameter	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_localeMatcher_parameter	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numberingSystem_parameter	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.RelativeTimeFormat.options_parameter.options_numeric_parameter	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.format 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.formatToParts 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.resolvedOptions 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Intl.RelativeTimeFormat.supportedLocalesOf 📋	Chrome	12/4/2018	Safari	9/16/2020	652
javascript.builtins.Promise.any 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.builtins.Symbol.toStringTag.dom_objects	Chrome	4/13/2016	Safari	9/16/2020	1617
javascript.operators.logical_and_assignment 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.operators.logical_or_assignment 📋	Firefox	7/28/2020	Safari	9/16/2020	50
javascript.operators.nullish_coalescing_assignment 📋	Firefox	7/28/2020	Safari	9/16/2020	50

2020/8

API	First Browser	Date	Last Browser	Date	Days
css.properties.appearance.menulist-button 📋	Safari	10/26/2007	Firefox	8/25/2020	4687
javascript.builtins.String.replaceAll 📋	Safari	3/24/2020	Chrome	8/25/2020	154

2020/7

API	First Browser	Date	Last Browser	Date	Days
api.CanvasPattern.setTransform.dommatrix	Safari	4/12/2018	Firefox	7/28/2020	838
api.FileReader.loadstart_event 📋	Chrome	9/2/2010	Firefox	7/28/2020	3617
api.RTCStatsReport.type_data-channel 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.bytesReceived 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.bytesSent 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.id 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.label 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.messagesReceived 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.messagesSent 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.protocol 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.state 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.timestamp 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
api.RTCStatsReport.type_data-channel.type 📋	Chrome	2/4/2020	Firefox	7/28/2020	175
html.elements.iframe.sandbox.allow-top-navigation-by-user-activation 📋	Chrome	4/19/2017	Firefox	7/28/2020	1196
api.Animation.commitStyles 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Animation.finished 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.Animation.persist 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Animation.ready 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.Animation.remove_event 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Animation.remove_filling_animation	Safari	3/24/2020	Chrome	7/27/2020	125
api.Animation.replaceState 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Animation.timeline 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.AnimationPlaybackEvent 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.AnimationPlaybackEvent.AnimationPlaybackEvent 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.AnimationPlaybackEvent.currentTime 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.AnimationPlaybackEvent.timelineTime 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.AnimationTimeline 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.AnimationTimeline.currentTime 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.CSSAnimation 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.CSSAnimation.animationName 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.CSSTransition 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.CSSTransition.transitionProperty 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Document.timeline 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.DocumentTimeline 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.DocumentTimeline.DocumentTimeline 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.Element.animate.implicit_tofrom	Safari	3/24/2020	Chrome	7/27/2020	125
api.Element.getAnimations 📋	Safari	3/24/2020	Chrome	7/27/2020	125
api.KeyframeEffect.getKeyframes 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
api.KeyframeEffect.setKeyframes 📋	Firefox	10/23/2018	Chrome	7/27/2020	643
css.types.global_keywords.revert 📋	Safari	3/21/2016	Chrome	7/27/2020	1589

2020/6

API	First Browser	Date	Last Browser	Date	Days
css.selectors.read-only 📋	Chrome	12/11/2008	Firefox	6/30/2020	4219
css.selectors.read-write 📋	Chrome	12/11/2008	Firefox	6/30/2020	4219
javascript.builtins.RegExp.dotAll 📋	Chrome	10/17/2017	Firefox	6/30/2020	987
javascript.regular_expressions.named_backreference 📋	Chrome	1/23/2018	Firefox	6/30/2020	889
javascript.regular_expressions.named_capturing_group 📋	Chrome	1/23/2018	Firefox	6/30/2020	889
javascript.regular_expressions.unicode_character_class_escape 📋	Chrome	1/23/2018	Firefox	6/30/2020	889

2020/5

API	First Browser	Date	Last Browser	Date	Days
api.Element.animationcancel_event 📋	Firefox	6/13/2017	Chrome	5/19/2020	1071
css.properties.line-break.anywhere 📋	Firefox	9/3/2019	Chrome	5/19/2020	259
css.properties.text-orientation.mixed 📋	Firefox	1/7/2020	Chrome	5/19/2020	133
css.properties.text-orientation.upright 📋	Firefox	1/7/2020	Chrome	5/19/2020	133
css.properties.grid-template-columns.repeat 📋	Chrome	3/9/2017	Firefox	5/5/2020	1153
css.properties.grid-template-rows.repeat 📋	Chrome	3/9/2017	Firefox	5/5/2020	1153

2020/4

API	First Browser	Date	Last Browser	Date	Days
api.ServiceWorkerGlobalScope.messageerror_event 📋	Safari	4/12/2018	Chrome	4/7/2020	726
css.properties.image-orientation 📋	Firefox	12/10/2013	Chrome	4/7/2020	2310
css.properties.image-orientation.from-image 📋	Firefox	12/10/2013	Chrome	4/7/2020	2310
css.properties.image-orientation.none 📋	Firefox	12/10/2013	Chrome	4/7/2020	2310
css.types.clamp 📋	Chrome	12/10/2019	Firefox	4/7/2020	119
css.types.max 📋	Safari	4/12/2018	Firefox	4/7/2020	726
css.types.min 📋	Safari	4/12/2018	Firefox	4/7/2020	726

2020/3

API	First Browser	Date	Last Browser	Date	Days
api.Animation 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.Animation 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.cancel 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.cancel_event 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.currentTime 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.effect 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.Animation.finish 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.finish_event 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.id 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.pause 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.pending 📋	Firefox	3/13/2018	Safari	3/24/2020	742
api.Animation.play 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.playState 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.playbackRate 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.reverse 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.startTime 📋	Firefox	8/2/2016	Safari	3/24/2020	1330
api.Animation.updatePlaybackRate 📋	Firefox	5/9/2018	Safari	3/24/2020	685
api.AnimationEffect 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.AnimationEffect.getComputedTiming 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.AnimationEffect.getTiming 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.AnimationEffect.updateTiming 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.AnimationEvent.pseudoElement 📋	Firefox	8/6/2013	Safari	3/24/2020	2422
api.Clipboard 📋	Chrome	4/17/2018	Safari	3/24/2020	707
api.Clipboard.writeText 📋	Chrome	4/17/2018	Safari	3/24/2020	707
api.Element.animate 📋	Chrome	7/16/2014	Safari	3/24/2020	2078
api.Element.animate.options_id_parameter 📋	Chrome	4/13/2016	Safari	3/24/2020	1441
api.Element.part 📋	Chrome	3/12/2019	Safari	3/24/2020	378
api.Element.transitionrun_event 📋	Firefox	4/19/2017	Safari	3/24/2020	1070
api.Element.transitionstart_event 📋	Firefox	4/19/2017	Safari	3/24/2020	1070
api.FormData.worker_support	Firefox	7/2/2015	Safari	3/24/2020	1727
api.GeolocationCoordinates 📋	Chrome	12/10/2019	Safari	3/24/2020	105
api.GeolocationPosition 📋	Chrome	12/10/2019	Safari	3/24/2020	105
api.GeolocationPositionError 📋	Chrome	12/10/2019	Safari	3/24/2020	105
api.KeyframeEffect 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.KeyframeEffect.KeyframeEffect 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.KeyframeEffect.target 📋	Firefox	10/23/2018	Safari	3/24/2020	518
api.Navigator.clipboard 📋	Chrome	4/17/2018	Safari	3/24/2020	707
api.RTCDTMFSender 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFSender.insertDTMF 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFSender.toneBuffer 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFSender.tonechange_event 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFToneChangeEvent 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFToneChangeEvent.RTCDTMFToneChangeEvent 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCDTMFToneChangeEvent.tone 📋	Chrome	5/21/2013	Safari	3/24/2020	2499
api.RTCRtpSender.dtmf 📋	Firefox	3/7/2017	Safari	3/24/2020	1113
api.RTCStatsReport.type_candidate-pair.id 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_candidate-pair.timestamp 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_candidate-pair.type 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_inbound-rtp.bytesReceived 📋	Firefox	2/4/2014	Safari	3/24/2020	2240
api.RTCStatsReport.type_inbound-rtp.id 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_inbound-rtp.jitter 📋	Firefox	2/4/2014	Safari	3/24/2020	2240
api.RTCStatsReport.type_inbound-rtp.packetsLost 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_inbound-rtp.packetsReceived 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_inbound-rtp.timestamp 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_inbound-rtp.type 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_local-candidate.id 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_local-candidate.timestamp 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_local-candidate.type 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_outbound-rtp.bytesSent 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_outbound-rtp.id 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_outbound-rtp.packetsSent 📋	Firefox	2/4/2014	Safari	3/24/2020	2240
api.RTCStatsReport.type_outbound-rtp.timestamp 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_outbound-rtp.type 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_remote-candidate.id 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_remote-candidate.timestamp 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.RTCStatsReport.type_remote-candidate.type 📋	Firefox	1/7/2020	Safari	3/24/2020	77
api.ResizeObserver 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserver.ResizeObserver 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserver.disconnect 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserver.observe 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserver.unobserve 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserverEntry 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserverEntry.contentRect 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.ResizeObserverEntry.target 📋	Chrome	1/23/2018	Safari	3/24/2020	791
api.SVGLengthList.length 📋	Firefox	6/21/2011	Safari	3/24/2020	3199
api.SVGNumberList.length 📋	Firefox	6/21/2011	Safari	3/24/2020	3199
api.SVGPointList.length 📋	Firefox	6/21/2011	Safari	3/24/2020	3199
api.SVGStringList.length 📋	Firefox	4/24/2012	Safari	3/24/2020	2891
api.SVGTransformList.length 📋	Firefox	12/20/2011	Safari	3/24/2020	3017
css.properties.background-position.bottom 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.background-position.center 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.background-position.left 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.background-position.right 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.background-position.top 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.border-collapse.collapse	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.border-collapse.separate	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-after.auto	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-after.avoid	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-after.left	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-after.page	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-after.right	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-before.auto	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-before.avoid	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-before.left	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-before.page	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-before.right	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-inside.auto	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.break-inside.avoid	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.caption-side.bottom	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.caption-side.top	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.clip.auto	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.color-interpolation 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.color-interpolation.sRGB	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.cx 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.cy 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.display.table-caption	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.alphabetic 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.auto 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.central 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.hanging 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.ideographic 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.mathematical 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.dominant-baseline.middle 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.fill 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.fill-opacity 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.fill-rule 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.fill-rule.evenodd 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.fill-rule.nonzero 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.font-optical-sizing 📋	Firefox	9/5/2018	Safari	3/24/2020	566
css.properties.font-optical-sizing.auto 📋	Firefox	9/5/2018	Safari	3/24/2020	566
css.properties.font-optical-sizing.none 📋	Firefox	9/5/2018	Safari	3/24/2020	566
css.properties.marker 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.marker-end 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.marker-mid 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.marker-start 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.opacity.percentages	Chrome	10/22/2019	Safari	3/24/2020	154
css.properties.overflow.multiple_keywords	Firefox	6/26/2018	Safari	3/24/2020	637
css.properties.r 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.scroll-snap-type.block 📋	Chrome	9/4/2018	Safari	3/24/2020	567
css.properties.scroll-snap-type.both 📋	Chrome	9/4/2018	Safari	3/24/2020	567
css.properties.scroll-snap-type.inline 📋	Chrome	9/4/2018	Safari	3/24/2020	567
css.properties.scroll-snap-type.none 📋	Firefox	7/2/2015	Safari	3/24/2020	1727
css.properties.scroll-snap-type.x 📋	Chrome	9/4/2018	Safari	3/24/2020	567
css.properties.scroll-snap-type.y 📋	Chrome	9/4/2018	Safari	3/24/2020	567
css.properties.shape-rendering 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stop-color 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stop-opacity 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-dasharray 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-dasharray.none 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-dashoffset 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-linecap 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-linecap.butt 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-linecap.round 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-linecap.square 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-linejoin 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-linejoin.bevel 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-linejoin.miter 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-linejoin.round 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.stroke-miterlimit 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-opacity 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.stroke-width 📋	Firefox	11/9/2004	Safari	3/24/2020	5614
css.properties.tab-size.length 📋	Chrome	4/14/2015	Safari	3/24/2020	1806
css.properties.text-anchor 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.transform-box.fill-box 📋	Firefox	8/8/2017	Safari	3/24/2020	959
css.properties.transform-box.view-box 📋	Firefox	8/8/2017	Safari	3/24/2020	959
css.properties.vector-effect 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.white-space.break-spaces 📋	Chrome	7/30/2019	Safari	3/24/2020	238
css.properties.x 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.properties.y 📋	Firefox	1/7/2020	Safari	3/24/2020	77
css.selectors.part 📋	Chrome	3/12/2019	Safari	3/24/2020	378
css.types.basic-shape.path 📋	Chrome	7/20/2016	Safari	3/24/2020	1343
css.types.length.Q	Firefox	9/20/2016	Safari	3/24/2020	1281
html.elements.link.rel.prefetch 📋	Firefox	10/24/2006	Safari	3/24/2020	4900
html.elements.rtc 📋	Firefox	10/14/2014	Safari	3/24/2020	1988
html.global_attributes.exportparts 📋	Chrome	3/12/2019	Safari	3/24/2020	378
html.global_attributes.part 📋	Chrome	3/12/2019	Safari	3/24/2020	378
javascript.grammar.hashbang_comments 📋	Chrome	4/23/2019	Safari	3/24/2020	336
javascript.operators.nullish_coalescing 📋	Firefox	1/7/2020	Safari	3/24/2020	77
javascript.operators.optional_chaining 📋	Chrome	2/4/2020	Safari	3/24/2020	49
api.HTMLIFrameElement.allow 📋	Chrome	7/25/2017	Firefox	3/10/2020	959
api.TextMetrics.actualBoundingBoxAscent 📋	Safari	4/12/2018	Firefox	3/10/2020	698
api.TextMetrics.actualBoundingBoxDescent 📋	Safari	4/12/2018	Firefox	3/10/2020	698
api.TextMetrics.actualBoundingBoxLeft 📋	Safari	4/12/2018	Firefox	3/10/2020	698
api.TextMetrics.actualBoundingBoxRight 📋	Safari	4/12/2018	Firefox	3/10/2020	698
css.properties.text-underline-position 📋	Chrome	2/20/2014	Firefox	3/10/2020	2210
css.properties.text-underline-position.under	Chrome	2/20/2014	Firefox	3/10/2020	2210
html.elements.audio.crossorigin 📋	Chrome	2/20/2014	Firefox	3/10/2020	2210
html.elements.iframe.allow 📋	Chrome	7/25/2017	Firefox	3/10/2020	959
html.elements.iframe.allow.camera 📋	Chrome	1/23/2018	Firefox	3/10/2020	777
html.elements.iframe.allow.microphone 📋	Chrome	1/23/2018	Firefox	3/10/2020	777
html.elements.video.crossorigin 📋	Chrome	2/20/2014	Firefox	3/10/2020	2210

2020/2

API	First Browser	Date	Last Browser	Date	Days
api.HTMLVideoElement.getVideoPlaybackQuality 📋	Safari	10/16/2014	Chrome	2/4/2020	1937
api.RTCStatsReport.type_inbound-rtp.ssrc 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_local-candidate 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_local-candidate.candidateType 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_local-candidate.port 📋	Safari	3/25/2019	Chrome	2/4/2020	316
api.RTCStatsReport.type_local-candidate.priority 📋	Safari	3/25/2019	Chrome	2/4/2020	316
api.RTCStatsReport.type_local-candidate.protocol 📋	Firefox	12/11/2018	Chrome	2/4/2020	420
api.RTCStatsReport.type_local-candidate.transportId 📋	Firefox	7/22/2014	Chrome	2/4/2020	2023
api.RTCStatsReport.type_outbound-rtp 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_outbound-rtp.ssrc 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_remote-candidate 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_remote-candidate.candidateType 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_remote-candidate.port 📋	Safari	3/25/2019	Chrome	2/4/2020	316
api.RTCStatsReport.type_remote-candidate.priority 📋	Safari	3/25/2019	Chrome	2/4/2020	316
api.RTCStatsReport.type_remote-candidate.protocol 📋	Firefox	12/11/2018	Chrome	2/4/2020	420
api.RTCStatsReport.type_remote-candidate.transportId 📋	Firefox	7/22/2014	Chrome	2/4/2020	2023
api.RTCStatsReport.type_remote-inbound-rtp 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
api.RTCStatsReport.type_remote-inbound-rtp.ssrc 📋	Firefox	2/4/2014	Chrome	2/4/2020	2191
html.elements.link.sizes 📋	Safari	7/25/2012	Chrome	2/4/2020	2750

2020/1

API	First Browser	Date	Last Browser	Date	Days
api.MediaStream.removetrack_event 📋	Chrome	3/26/2013	Firefox	1/7/2020	2478
css.properties.border-image-repeat.repeat 📋	Chrome	10/25/2011	Firefox	1/7/2020	2996
css.properties.border-image-repeat.stretch 📋	Chrome	10/25/2011	Firefox	1/7/2020	2996
css.properties.flex.none 📋	Chrome	7/31/2012	Firefox	1/7/2020	2716
css.properties.flex-direction.column 📋	Chrome	7/31/2012	Firefox	1/7/2020	2716
css.properties.flex-direction.row 📋	Chrome	7/31/2012	Firefox	1/7/2020	2716
css.properties.letter-spacing.svg_elements	Chrome	12/11/2008	Firefox	1/7/2020	4044
css.properties.list-style-type.none 📋	Safari	6/23/2003	Firefox	1/7/2020	6042
css.properties.transform-origin.bottom 📋	Safari	4/29/2005	Firefox	1/7/2020	5366
css.properties.transform-origin.center 📋	Safari	4/29/2005	Firefox	1/7/2020	5366
css.properties.transform-origin.left 📋	Safari	4/29/2005	Firefox	1/7/2020	5366
css.properties.transform-origin.right 📋	Safari	4/29/2005	Firefox	1/7/2020	5366
css.properties.transform-origin.top 📋	Safari	4/29/2005	Firefox	1/7/2020	5366
css.properties.word-spacing.svg_elements	Chrome	12/11/2008	Firefox	1/7/2020	4044

2019/12

API	First Browser	Date	Last Browser	Date	Days
api.Element.animationend_event 📋	Safari	9/30/2015	Chrome	12/10/2019	1532
api.Element.animationiteration_event 📋	Safari	9/30/2015	Chrome	12/10/2019	1532
api.Element.animationstart_event 📋	Safari	9/30/2015	Chrome	12/10/2019	1532
api.RTCStatsReport.type_inbound-rtp 📋	Firefox	2/4/2014	Chrome	12/10/2019	2135
css.properties.column-span 📋	Safari	9/30/2015	Firefox	12/10/2019	1532
css.properties.column-span.all 📋	Chrome	9/2/2010	Firefox	12/10/2019	3386
css.properties.column-span.none 📋	Chrome	9/2/2010	Firefox	12/10/2019	3386
javascript.builtins.Promise.allSettled 📋	Chrome	7/30/2019	Firefox	12/10/2019	133

2019/10

API	First Browser	Date	Last Browser	Date	Days
api.CanvasRenderingContext2D.getTransform 📋	Safari	4/12/2018	Firefox	10/22/2019	558
api.CanvasRenderingContext2D.setTransform.matrix_parameter	Safari	4/12/2018	Firefox	10/22/2019	558
api.Document.all 📋	Safari	9/19/2017	Firefox	10/22/2019	763
api.Document.captureEvents 📋	Safari	9/19/2017	Firefox	10/22/2019	763
api.Document.clear 📋	Safari	9/19/2017	Firefox	10/22/2019	763
api.Document.releaseEvents 📋	Safari	9/19/2017	Firefox	10/22/2019	763
api.MediaElementAudioSourceNode.mediaElement 📋	Chrome	10/25/2011	Firefox	10/22/2019	2919
api.MediaStreamAudioSourceNode.mediaStream 📋	Chrome	9/25/2012	Firefox	10/22/2019	2583
api.MediaStreamTrack.applyConstraints.groupId_constraint 📋	Chrome	6/5/2017	Firefox	10/22/2019	869
api.PaymentResponse.payerdetailchange_event 📋	Firefox	8/8/2017	Chrome	10/22/2019	805
api.PaymentResponse.retry 📋	Firefox	8/8/2017	Chrome	10/22/2019	805
css.properties.grid-auto-columns 📋	Chrome	3/9/2017	Firefox	10/22/2019	957
css.properties.grid-auto-rows 📋	Chrome	3/9/2017	Firefox	10/22/2019	957
javascript.grammar.numeric_separators 📋	Chrome	6/4/2019	Firefox	10/22/2019	140

2019/9

API	First Browser	Date	Last Browser	Date	Days
api.AuthenticatorAssertionResponse 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorAssertionResponse.authenticatorData 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorAssertionResponse.signature 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorAssertionResponse.userHandle 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorAttestationResponse 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorAttestationResponse.attestationObject 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorResponse 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.AuthenticatorResponse.clientDataJSON 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.Credential 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.Credential.id 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.Credential.type 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.CredentialsContainer 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.CredentialsContainer.create 📋	Chrome	7/25/2017	Safari	9/19/2019	786
api.CredentialsContainer.create.publicKey_option 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.attestation 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.attestation.direct 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.attestation.enterprise 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.attestation.indirect 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.attestation.none 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.extensions 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.create.publicKey_option.extensions.appidExclude 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.get 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.CredentialsContainer.get.publicKey_option 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.get.publicKey_option.extensions 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.get.publicKey_option.extensions.appid 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.CredentialsContainer.store 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.Element.gotpointercapture_event 📋	Chrome	3/9/2017	Safari	9/19/2019	924
api.Element.hasPointerCapture 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.lostpointercapture_event 📋	Chrome	3/9/2017	Safari	9/19/2019	924
api.Element.pointercancel_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerdown_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerenter_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerleave_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointermove_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerout_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerover_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.pointerup_event 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.releasePointerCapture 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.Element.setPointerCapture 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.HTMLFieldSetElement.elements.type_HTMLCollection	Firefox	3/22/2011	Safari	9/19/2019	3103
api.HTMLObjectElement.contentWindow 📋	Firefox	6/25/2013	Safari	9/19/2019	2277
api.MediaCapabilities 📋	Chrome	4/17/2018	Safari	9/19/2019	520
api.MediaCapabilities.decodingInfo 📋	Chrome	4/17/2018	Safari	9/19/2019	520
api.MediaDevices.getDisplayMedia 📋	Chrome	1/29/2019	Safari	9/19/2019	233
api.Navigator.credentials 📋	Chrome	5/25/2016	Safari	9/19/2019	1212
api.Navigator.maxTouchPoints 📋	Chrome	5/20/2014	Safari	9/19/2019	1948
api.Navigator.mediaCapabilities 📋	Chrome	4/17/2018	Safari	9/19/2019	520
api.PerformanceObserver.supportedEntryTypes_static 📋	Chrome	3/12/2019	Safari	9/19/2019	191
api.PointerEvent 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.PointerEvent 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.height 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.isPrimary 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.pointerId 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.pointerType 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.pressure 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.tangentialPressure 📋	Chrome	3/9/2017	Safari	9/19/2019	924
api.PointerEvent.tiltX 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.tiltY 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PointerEvent.twist 📋	Chrome	3/9/2017	Safari	9/19/2019	924
api.PointerEvent.width 📋	Chrome	12/1/2016	Safari	9/19/2019	1022
api.PublicKeyCredential 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.PublicKeyCredential.getClientExtensionResults 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable_static 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.PublicKeyCredential.rawId 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.PublicKeyCredential.response 📋	Firefox	5/9/2018	Safari	9/19/2019	498
api.Window.afterprint_event 📋	Firefox	8/16/2011	Safari	9/19/2019	2956
api.Window.beforeprint_event 📋	Firefox	8/16/2011	Safari	9/19/2019	2956
api.console.countReset_static 📋	Chrome	7/24/2018	Safari	9/19/2019	422
api.console.timeLog_static 📋	Firefox	9/5/2018	Safari	9/19/2019	379
css.at-rules.media.display-mode 📋	Chrome	4/14/2015	Safari	9/19/2019	1619
css.properties.display.flow-root	Chrome	4/19/2017	Safari	9/19/2019	883
css.properties.position.sticky 📋	Firefox	9/2/2014	Safari	9/19/2019	1843
css.properties.touch-action 📋	Chrome	7/16/2014	Safari	9/19/2019	1891
css.properties.touch-action.manipulation	Chrome	7/16/2014	Safari	9/19/2019	1891
css.properties.touch-action.none	Chrome	7/16/2014	Safari	9/19/2019	1891
css.properties.touch-action.pan-x	Chrome	7/16/2014	Safari	9/19/2019	1891
css.properties.touch-action.pan-y	Chrome	7/16/2014	Safari	9/19/2019	1891
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_hourCycle_parameter	Firefox	1/23/2018	Safari	9/19/2019	604
javascript.builtins.Intl.NumberFormat.formatToParts 📋	Chrome	1/23/2018	Safari	9/19/2019	604
javascript.builtins.Intl.PluralRules 📋	Chrome	12/6/2017	Safari	9/19/2019	652
javascript.builtins.Intl.PluralRules.PluralRules 📋	Chrome	12/6/2017	Safari	9/19/2019	652
javascript.builtins.Intl.PluralRules.resolvedOptions 📋	Chrome	12/6/2017	Safari	9/19/2019	652
javascript.builtins.Intl.PluralRules.select 📋	Chrome	12/6/2017	Safari	9/19/2019	652
javascript.builtins.Intl.PluralRules.supportedLocalesOf 📋	Chrome	12/6/2017	Safari	9/19/2019	652
javascript.builtins.RegExp.@@matchAll 📋	Chrome	3/12/2019	Safari	9/19/2019	191
javascript.builtins.String.matchAll 📋	Chrome	3/12/2019	Safari	9/19/2019	191
javascript.builtins.Symbol.matchAll 📋	Chrome	3/12/2019	Safari	9/19/2019	191
api.DOMMatrix.fromFloat32Array_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrix.fromFloat64Array_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrix.fromMatrix_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrix.worker_support	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrixReadOnly.fromFloat32Array_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrixReadOnly.fromFloat64Array_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrixReadOnly.fromMatrix_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMMatrixReadOnly.worker_support	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMPoint.worker_support	Safari	3/27/2017	Firefox	9/3/2019	890
api.DOMPointReadOnly.matrixTransform 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMPointReadOnly.worker_support	Safari	3/27/2017	Firefox	9/3/2019	890
api.DOMQuad.fromQuad_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMQuad.fromRect_static 📋	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMQuad.worker_support	Chrome	9/5/2017	Firefox	9/3/2019	728
api.DOMRect.fromRect_static 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.DOMRect.worker_support	Safari	3/27/2017	Firefox	9/3/2019	890
api.DOMRectReadOnly.fromRect_static 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.DOMRectReadOnly.worker_support	Safari	3/27/2017	Firefox	9/3/2019	890
api.Document.alinkColor 📋	Safari	9/19/2017	Firefox	9/3/2019	714
api.Document.bgColor 📋	Safari	9/19/2017	Firefox	9/3/2019	714
api.Document.close 📋	Chrome	9/1/2015	Firefox	9/3/2019	1463
api.Document.designMode 📋	Chrome	7/16/2014	Firefox	9/3/2019	1875
api.Document.domain 📋	Safari	6/23/2003	Firefox	9/3/2019	5916
api.Document.execCommand	Safari	4/15/2005	Firefox	9/3/2019	5254
api.Document.fgColor 📋	Safari	9/19/2017	Firefox	9/3/2019	714
api.Document.linkColor 📋	Safari	9/19/2017	Firefox	9/3/2019	714
api.Document.open 📋	Chrome	9/1/2015	Firefox	9/3/2019	1463
api.Document.queryCommandEnabled	Safari	4/29/2005	Firefox	9/3/2019	5240
api.Document.queryCommandIndeterm	Safari	4/29/2005	Firefox	9/3/2019	5240
api.Document.queryCommandState	Safari	4/29/2005	Firefox	9/3/2019	5240
api.Document.queryCommandSupported	Safari	4/29/2005	Firefox	9/3/2019	5240
api.Document.queryCommandValue	Safari	4/29/2005	Firefox	9/3/2019	5240
api.Document.vlinkColor 📋	Safari	9/19/2017	Firefox	9/3/2019	714
api.Document.write 📋	Chrome	9/1/2015	Firefox	9/3/2019	1463
api.Document.writeln 📋	Chrome	9/1/2015	Firefox	9/3/2019	1463
api.Navigator.mediaDevices.secure_context_required	Safari	9/19/2017	Firefox	9/3/2019	714
api.PromiseRejectionEvent 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.PromiseRejectionEvent.PromiseRejectionEvent 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.PromiseRejectionEvent.promise 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.PromiseRejectionEvent.reason 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.SVGGeometryElement.isPointInFill 📋	Chrome	2/20/2014	Firefox	9/3/2019	2021
api.SVGGeometryElement.isPointInStroke 📋	Chrome	2/20/2014	Firefox	9/3/2019	2021
api.StaticRange 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.StaticRange.collapsed 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.StaticRange.endContainer 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.StaticRange.endOffset 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.StaticRange.startContainer 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.StaticRange.startOffset 📋	Safari	3/27/2017	Firefox	9/3/2019	890
api.Window.rejectionhandled_event 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.Window.unhandledrejection_event 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.WorkerGlobalScope.rejectionhandled_event 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.WorkerGlobalScope.unhandledrejection_event 📋	Chrome	3/2/2016	Firefox	9/3/2019	1280
api.queueMicrotask 📋	Chrome	12/4/2018	Firefox	9/3/2019	273
css.properties.line-break 📋	Chrome	4/19/2017	Firefox	9/3/2019	867
css.properties.line-break.auto 📋	Chrome	2/21/2013	Firefox	9/3/2019	2385
css.properties.line-break.loose 📋	Chrome	2/21/2013	Firefox	9/3/2019	2385
css.properties.line-break.normal 📋	Safari	4/29/2005	Firefox	9/3/2019	5240
css.properties.line-break.strict 📋	Chrome	2/21/2013	Firefox	9/3/2019	2385
css.properties.user-select 📋	Safari	10/26/2007	Firefox	9/3/2019	4330

2019/7

API	First Browser	Date	Last Browser	Date	Days
api.PaymentMethodChangeEvent 📋	Firefox	8/8/2017	Chrome	7/30/2019	721
api.PaymentMethodChangeEvent.PaymentMethodChangeEvent 📋	Firefox	8/8/2017	Chrome	7/30/2019	721
api.PaymentMethodChangeEvent.methodDetails 📋	Firefox	8/8/2017	Chrome	7/30/2019	721
api.PaymentMethodChangeEvent.methodName 📋	Firefox	8/8/2017	Chrome	7/30/2019	721
api.PaymentRequest.paymentmethodchange_event 📋	Firefox	8/8/2017	Chrome	7/30/2019	721
css.at-rules.media.prefers-color-scheme 📋	Safari	3/25/2019	Chrome	7/30/2019	127
api.CSSStyleSheet.addRule 📋	Safari	6/23/2003	Firefox	7/9/2019	5860
api.CSSStyleSheet.removeRule 📋	Safari	10/26/2007	Firefox	7/9/2019	4274
api.CSSStyleSheet.rules 📋	Safari	6/23/2003	Firefox	7/9/2019	5860
api.Document.cookie 📋	Chrome	12/11/2008	Firefox	7/9/2019	3862
api.HTMLImageElement.decode 📋	Chrome	1/23/2018	Firefox	7/9/2019	532
api.HTMLTrackElement.cuechange_event 📋	Chrome	1/14/2014	Firefox	7/9/2019	2002
api.MediaDevices.getUserMedia.secure_context_required	Chrome	8/31/2016	Firefox	7/9/2019	1042
api.RTCDataChannel.negotiated 📋	Chrome	10/1/2013	Firefox	7/9/2019	2107
api.RTCRtpReceiver.getContributingSources.video_tracks_supported	Chrome	3/12/2019	Firefox	7/9/2019	119
api.RTCRtpReceiver.getSynchronizationSources.video_tracks_supported	Chrome	3/12/2019	Firefox	7/9/2019	119
css.properties.scroll-padding.auto 📋	Safari	9/19/2017	Firefox	7/9/2019	658
css.properties.scroll-snap-align 📋	Safari	9/19/2017	Firefox	7/9/2019	658
css.properties.scroll-snap-align.center 📋	Safari	9/19/2017	Firefox	7/9/2019	658
css.properties.scroll-snap-align.end 📋	Safari	9/19/2017	Firefox	7/9/2019	658
css.properties.scroll-snap-align.none 📋	Safari	9/19/2017	Firefox	7/9/2019	658
css.properties.scroll-snap-align.start 📋	Safari	9/19/2017	Firefox	7/9/2019	658

2019/6

API	First Browser	Date	Last Browser	Date	Days
api.HTMLCanvasElement.getContext.webgl_context.options_powerPreference_parameter 📋	Safari	3/27/2017	Chrome	6/4/2019	799

2019/5

API	First Browser	Date	Last Browser	Date	Days
api.InputEvent.data 📋	Safari	3/27/2017	Firefox	5/21/2019	785
api.InputEvent.dataTransfer 📋	Safari	3/27/2017	Firefox	5/21/2019	785
css.properties.word-break.break-word 📋	Safari	10/26/2007	Firefox	5/21/2019	4225
javascript.operators.import 📋	Chrome	12/6/2017	Firefox	5/21/2019	531

2019/4

API	First Browser	Date	Last Browser	Date	Days
api.RTCRtpSender.setParameters.parameters_encodings_parameter.scaleResolutionDownBy 📋	Firefox	4/26/2016	Chrome	4/23/2019	1092
api.ServiceWorkerContainer.startMessages 📋	Safari	4/12/2018	Chrome	4/23/2019	376
css.at-rules.media.prefers-reduced-motion 📋	Safari	3/27/2017	Chrome	4/23/2019	757

2019/3

API	First Browser	Date	Last Browser	Date	Days
api.AbortController 📋	Firefox	11/14/2017	Safari	3/25/2019	496
api.AbortController.AbortController 📋	Firefox	11/14/2017	Safari	3/25/2019	496
api.AbortController.abort 📋	Firefox	11/14/2017	Safari	3/25/2019	496
api.AbortController.signal 📋	Firefox	11/14/2017	Safari	3/25/2019	496
api.CustomElementRegistry.upgrade 📋	Chrome	7/24/2018	Safari	3/25/2019	244
api.DedicatedWorkerGlobalScope.name 📋	Firefox	8/8/2017	Safari	3/25/2019	594
api.HTMLDataListElement 📋	Firefox	3/22/2011	Safari	3/25/2019	2925
api.HTMLDataListElement.options 📋	Firefox	3/22/2011	Safari	3/25/2019	2925
api.HTMLInputElement.list 📋	Firefox	3/22/2011	Safari	3/25/2019	2925
api.HTMLMediaElement.encrypted_event 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.HTMLMediaElement.mediaKeys 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.HTMLMediaElement.setMediaKeys 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.HTMLSlotElement.assignedElements 📋	Chrome	3/6/2018	Safari	3/25/2019	384
api.IntersectionObserver 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.IntersectionObserver 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.disconnect 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.observe 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.root 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.rootMargin 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.takeRecords 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserver.thresholds 📋	Chrome	7/20/2016	Safari	3/25/2019	978
api.IntersectionObserver.unobserve 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.boundingClientRect 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.intersectionRatio 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.intersectionRect 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.isIntersecting 📋	Chrome	4/19/2017	Safari	3/25/2019	705
api.IntersectionObserverEntry.rootBounds 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.target 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.IntersectionObserverEntry.time 📋	Chrome	5/25/2016	Safari	3/25/2019	1034
api.MediaEncryptedEvent 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaEncryptedEvent.MediaEncryptedEvent 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaEncryptedEvent.initData 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaEncryptedEvent.initDataType 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyMessageEvent 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyMessageEvent.MediaKeyMessageEvent 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyMessageEvent.message 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyMessageEvent.messageType 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.close 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.closed 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.expiration 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.generateRequest 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.keyStatuses 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.keystatuseschange_event 📋	Chrome	12/1/2016	Safari	3/25/2019	844
api.MediaKeySession.load 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.message_event 📋	Chrome	12/1/2016	Safari	3/25/2019	844
api.MediaKeySession.remove 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.sessionId 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySession.update 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.@@iterator	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.entries	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.forEach	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.get 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.has 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.keys	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.size 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeyStatusMap.values	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySystemAccess 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySystemAccess.createMediaKeys 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySystemAccess.getConfiguration 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeySystemAccess.keySystem 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeys 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeys.createSession 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MediaKeys.setServerCertificate 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.MouseEvent.getModifierState 📋	Firefox	8/28/2012	Safari	3/25/2019	2400
api.Navigator.requestMediaKeySystemAccess 📋	Chrome	4/14/2015	Safari	3/25/2019	1441
api.RTCCertificate 📋	Firefox	11/3/2015	Safari	3/25/2019	1238
api.RTCCertificate.expires 📋	Firefox	11/3/2015	Safari	3/25/2019	1238
api.RTCPeerConnection.RTCPeerConnection.configuration_certificates_parameter 📋	Firefox	11/3/2015	Safari	3/25/2019	1238
api.RTCPeerConnection.addTransceiver.init_streams_parameter	Firefox	3/13/2018	Safari	3/25/2019	377
api.RTCPeerConnection.generateCertificate_static 📋	Firefox	6/25/2013	Safari	3/25/2019	2099
api.RTCRtpReceiver.getContributingSources 📋	Chrome	6/5/2017	Safari	3/25/2019	658
api.RTCRtpReceiver.getContributingSources.audioLevel 📋	Firefox	3/13/2018	Safari	3/25/2019	377
api.RTCRtpReceiver.getContributingSources.audio_tracks_supported	Chrome	6/5/2017	Safari	3/25/2019	658
api.RTCRtpReceiver.getContributingSources.source 📋	Chrome	6/5/2017	Safari	3/25/2019	658
api.RTCRtpReceiver.getContributingSources.timestamp 📋	Chrome	6/5/2017	Safari	3/25/2019	658
api.RTCRtpReceiver.getStats 📋	Firefox	8/8/2017	Safari	3/25/2019	594
api.RTCRtpReceiver.getSynchronizationSources 📋	Firefox	3/13/2018	Safari	3/25/2019	377
api.RTCRtpReceiver.getSynchronizationSources.audio_tracks_supported	Firefox	3/13/2018	Safari	3/25/2019	377
api.RTCRtpSender.getParameters.return_object_property_encodings 📋	Firefox	4/26/2016	Safari	3/25/2019	1063
api.RTCRtpSender.getStats 📋	Firefox	8/8/2017	Safari	3/25/2019	594
api.RTCRtpSender.setParameters.parameters_headerExtensions_parameter 📋	Firefox	4/26/2016	Safari	3/25/2019	1063
api.RTCRtpTransceiver.currentDirection 📋	Firefox	3/13/2018	Safari	3/25/2019	377
api.Request.credentials.default_same-origin	Firefox	6/26/2018	Safari	3/25/2019	272
api.Request.signal 📋	Firefox	11/14/2017	Safari	3/25/2019	496
api.ShadowRoot.styleSheets 📋	Chrome	8/31/2016	Safari	3/25/2019	936
api.SourceBuffer.changeType 📋	Chrome	10/16/2018	Safari	3/25/2019	160
api.Worker.Worker.options_name_parameter	Firefox	8/8/2017	Safari	3/25/2019	594
css.properties.block-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.block-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.block-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.border-block-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-end-color 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-end-style 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-end-width 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-start-color 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-start-style 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-block-start-width 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-end-color 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-end-style 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-end-width 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-start-color 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-start-style 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.border-inline-start-width 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.column-gap.multicol_context.calc_values	Chrome	4/17/2018	Safari	3/25/2019	342
css.properties.gap.grid_context.calc_values	Firefox	3/7/2017	Safari	3/25/2019	748
css.properties.inline-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.inline-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.inline-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.margin-block-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.margin-block-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.margin-inline-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.margin-inline-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.max-block-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.max-block-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.max-block-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.max-inline-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.max-inline-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.max-inline-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.min-block-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.min-block-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.min-block-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.min-inline-size 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.min-inline-size.max-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.min-inline-size.min-content	Chrome	3/9/2017	Safari	3/25/2019	746
css.properties.padding-block-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.padding-block-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.padding-inline-end 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.padding-inline-start 📋	Firefox	9/22/2015	Safari	3/25/2019	1280
css.properties.text-decoration-color 📋	Firefox	2/24/2015	Safari	3/25/2019	1490
css.properties.text-decoration-line 📋	Firefox	2/24/2015	Safari	3/25/2019	1490
css.properties.text-decoration-style 📋	Firefox	2/24/2015	Safari	3/25/2019	1490
css.types.color.hsl.alpha_parameter	Firefox	3/7/2017	Safari	3/25/2019	748
css.types.color.hsl.space_separated_parameters	Firefox	3/7/2017	Safari	3/25/2019	748
css.types.color.rgb.alpha_parameter	Firefox	3/7/2017	Safari	3/25/2019	748
css.types.color.rgb.float_values	Firefox	3/7/2017	Safari	3/25/2019	748
css.types.color.rgb.space_separated_parameters	Firefox	3/7/2017	Safari	3/25/2019	748
css.types.gradient.linear-gradient.doubleposition	Chrome	12/4/2018	Safari	3/25/2019	111
css.types.gradient.radial-gradient.doubleposition	Chrome	12/4/2018	Safari	3/25/2019	111
css.types.gradient.repeating-linear-gradient.doubleposition	Chrome	12/4/2018	Safari	3/25/2019	111
css.types.gradient.repeating-radial-gradient.doubleposition	Chrome	12/4/2018	Safari	3/25/2019	111
html.elements.input.list 📋	Firefox	3/22/2011	Safari	3/25/2019	2925
html.elements.input.type_color 📋	Chrome	6/26/2012	Safari	3/25/2019	2463
javascript.builtins.JSON.stringify.well_formed_stringify	Firefox	12/11/2018	Safari	3/25/2019	104
javascript.builtins.Object.fromEntries 📋	Firefox	10/23/2018	Safari	3/25/2019	153
javascript.builtins.Symbol.description 📋	Chrome	10/16/2018	Safari	3/25/2019	160
javascript.builtins.globalThis 📋	Chrome	12/4/2018	Safari	3/25/2019	111
api.Event.returnValue 📋	Safari	6/23/2003	Firefox	3/19/2019	5748
api.InputEvent.inputType 📋	Safari	3/27/2017	Firefox	3/19/2019	722
api.Window.event 📋	Safari	10/24/2003	Firefox	3/19/2019	5625
css.properties.height.max-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.height.min-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.max-height.max-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.max-height.min-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.max-width.max-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.max-width.min-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.min-height.max-content	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.min-height.min-content	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.min-width.max-content	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.min-width.min-content	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.width.max-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
css.properties.width.min-content 📋	Chrome	10/13/2015	Firefox	3/19/2019	1253
javascript.builtins.RegExp.source.escaping	Safari	7/25/2012	Chrome	3/12/2019	2421
javascript.builtins.RegExp.toString.escaping	Safari	7/25/2012	Chrome	3/12/2019	2421

2019/1

API	First Browser	Date	Last Browser	Date	Days
api.ByteLengthQueuingStrategy 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ByteLengthQueuingStrategy.ByteLengthQueuingStrategy 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ByteLengthQueuingStrategy.highWaterMark 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ByteLengthQueuingStrategy.size 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.CountQueuingStrategy 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.CountQueuingStrategy.CountQueuingStrategy 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.CountQueuingStrategy.highWaterMark 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.CountQueuingStrategy.size 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.HTMLMarqueeElement 📋	Safari	2/2/2004	Firefox	1/29/2019	5475
api.HTMLMarqueeElement.behavior 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.bgColor 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.direction 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.height 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.hspace 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.loop 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.scrollAmount 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.scrollDelay 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.start 📋	Safari	2/2/2004	Firefox	1/29/2019	5475
api.HTMLMarqueeElement.stop 📋	Safari	2/2/2004	Firefox	1/29/2019	5475
api.HTMLMarqueeElement.trueSpeed 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.vspace 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.HTMLMarqueeElement.width 📋	Chrome	3/8/2011	Firefox	1/29/2019	2884
api.ReadableStream 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStream.ReadableStream 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStream.cancel 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStream.getReader 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStream.locked 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStream.tee 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultController 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultController.close 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultController.desiredSize 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultController.enqueue 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultController.error 📋	Chrome	7/20/2016	Firefox	1/29/2019	923
api.ReadableStreamDefaultReader 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStreamDefaultReader.cancel 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStreamDefaultReader.closed 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStreamDefaultReader.read 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.ReadableStreamDefaultReader.releaseLock 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.Response.body 📋	Chrome	5/19/2015	Firefox	1/29/2019	1351
api.Window.open.once_per_event	Chrome	11/6/2012	Firefox	1/29/2019	2275
css.properties.break-after 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-after.paged_context 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-after.paged_context.page	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-before 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-before.paged_context 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-before.paged_context.page	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-inside 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-inside.multicol_context 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.break-inside.paged_context 📋	Chrome	4/13/2016	Firefox	1/29/2019	1021
css.properties.custom-property.env 📋	Safari	4/12/2018	Firefox	1/29/2019	292
css.properties.custom-property.env.safe-area-inset-bottom 📋	Safari	9/19/2017	Firefox	1/29/2019	497
css.properties.custom-property.env.safe-area-inset-left 📋	Safari	9/19/2017	Firefox	1/29/2019	497
css.properties.custom-property.env.safe-area-inset-right 📋	Safari	9/19/2017	Firefox	1/29/2019	497
css.properties.custom-property.env.safe-area-inset-top 📋	Safari	9/19/2017	Firefox	1/29/2019	497
css.properties.image-rendering.crisp-edges 📋	Chrome	8/2/2011	Firefox	1/29/2019	2737
html.elements.marquee 📋	Safari	2/2/2004	Firefox	1/29/2019	5475

2018/12

API	First Browser	Date	Last Browser	Date	Days
api.RTCRtpSender.setParameters 📋	Safari	9/19/2017	Firefox	12/11/2018	448
api.Window.screenLeft 📋	Safari	6/23/2003	Firefox	12/11/2018	5650
api.Window.screenTop 📋	Safari	6/23/2003	Firefox	12/11/2018	5650
api.XMLHttpRequest.getAllResponseHeaders.header_names_lowercase	Chrome	7/25/2017	Firefox	12/11/2018	504
css.at-rules.media.any-hover 📋	Chrome	3/3/2015	Firefox	12/11/2018	1379
css.at-rules.media.any-pointer 📋	Chrome	3/3/2015	Firefox	12/11/2018	1379
css.at-rules.media.hover 📋	Chrome	10/7/2014	Firefox	12/11/2018	1526
css.at-rules.media.pointer 📋	Chrome	3/3/2015	Firefox	12/11/2018	1379
api.URL.toJSON 📋	Firefox	6/13/2017	Chrome	12/4/2018	539

2018/10

API	First Browser	Date	Last Browser	Date	Days
api.CustomElementRegistry 📋	Chrome	10/12/2016	Firefox	10/23/2018	741
api.CustomElementRegistry.define 📋	Chrome	10/12/2016	Firefox	10/23/2018	741
api.CustomElementRegistry.get 📋	Chrome	10/12/2016	Firefox	10/23/2018	741
api.CustomElementRegistry.whenDefined 📋	Chrome	10/12/2016	Firefox	10/23/2018	741
api.Element.assignedSlot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.Element.attachShadow 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.Element.securitypolicyviolation_event 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.Element.shadowRoot 📋	Chrome	5/20/2014	Firefox	10/23/2018	1617
api.Element.slot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.Element.toggleAttribute 📋	Chrome	9/4/2018	Firefox	10/23/2018	49
api.HTMLImageElement.decoding 📋	Chrome	3/6/2018	Firefox	10/23/2018	231
api.HTMLSlotElement 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.HTMLSlotElement.assignedNodes 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.HTMLSlotElement.name 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.HTMLSlotElement.slotchange_event 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.SecurityPolicyViolationEvent 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.SecurityPolicyViolationEvent 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.blockedURI 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.columnNumber 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.documentURI 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.effectiveDirective 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.lineNumber 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.originalPolicy 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.referrer 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.sourceFile 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.statusCode 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.SecurityPolicyViolationEvent.violatedDirective 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
api.ShadowRoot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.activeElement 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.elementFromPoint	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.elementsFromPoint	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.host 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.innerHTML 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.mode 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.ShadowRoot.pointerLockElement 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.Text.assignedSlot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.TextDecoder.ignoreBOM 📋	Chrome	10/7/2014	Firefox	10/23/2018	1477
api.Window.customElements 📋	Chrome	10/12/2016	Firefox	10/23/2018	741
api.WorkerGlobalScope.securitypolicyviolation_event 📋	Chrome	3/3/2015	Firefox	10/23/2018	1330
css.at-rules.media.-webkit-device-pixel-ratio 📋	Safari	10/26/2007	Firefox	10/23/2018	4015
css.at-rules.media.-webkit-max-device-pixel-ratio 📋	Safari	10/26/2007	Firefox	10/23/2018	4015
css.at-rules.media.-webkit-min-device-pixel-ratio 📋	Safari	10/26/2007	Firefox	10/23/2018	4015
css.properties.content.element_replacement	Chrome	7/9/2013	Firefox	10/23/2018	1932
css.selectors.defined 📋	Safari	9/20/2016	Firefox	10/23/2018	763
css.selectors.host 📋	Safari	9/20/2016	Firefox	10/23/2018	763
css.selectors.hostfunction 📋	Safari	9/20/2016	Firefox	10/23/2018	763
css.selectors.slotted 📋	Chrome	4/13/2016	Firefox	10/23/2018	923
html.elements.img.decoding 📋	Chrome	3/6/2018	Firefox	10/23/2018	231
html.elements.slot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
html.elements.slot.name	Chrome	8/31/2016	Firefox	10/23/2018	783
html.global_attributes.slot 📋	Chrome	8/31/2016	Firefox	10/23/2018	783
api.RTCPeerConnection.currentLocalDescription 📋	Firefox	6/25/2013	Chrome	10/16/2018	1939
api.RTCPeerConnection.currentRemoteDescription 📋	Safari	9/19/2017	Chrome	10/16/2018	392
api.RTCPeerConnection.getConfiguration 📋	Firefox	6/25/2013	Chrome	10/16/2018	1939
api.RTCPeerConnection.pendingLocalDescription 📋	Firefox	6/25/2013	Chrome	10/16/2018	1939
api.RTCPeerConnection.pendingRemoteDescription 📋	Firefox	6/25/2013	Chrome	10/16/2018	1939
javascript.builtins.Array.sort.stable_sorting	Firefox	6/17/2008	Chrome	10/16/2018	3773

2018/9

API	First Browser	Date	Last Browser	Date	Days
api.CustomEvent.worker_support	Chrome	5/19/2015	Safari	9/17/2018	1217
api.DOMTokenList.replace.boolean_value	Chrome	5/29/2018	Safari	9/17/2018	111
api.PerformanceResourceTiming.worker_support	Chrome	5/19/2015	Safari	9/17/2018	1217
api.RTCPeerConnectionIceEvent 📋	Firefox	9/17/2013	Safari	9/17/2018	1826
api.RTCPeerConnectionIceEvent.RTCPeerConnectionIceEvent 📋	Firefox	9/17/2013	Safari	9/17/2018	1826
api.RTCPeerConnectionIceEvent.candidate 📋	Chrome	1/10/2013	Safari	9/17/2018	2076
api.SVGGeometryElement 📋	Chrome	1/25/2017	Safari	9/17/2018	600
api.SVGGeometryElement.getPointAtLength 📋	Chrome	1/25/2017	Safari	9/17/2018	600
api.SVGGeometryElement.getTotalLength 📋	Chrome	1/25/2017	Safari	9/17/2018	600
api.SVGGeometryElement.pathLength 📋	Chrome	3/9/2017	Safari	9/17/2018	557
api.WEBGL_compressed_texture_astc 📋	Chrome	12/1/2015	Safari	9/17/2018	1021
api.WEBGL_compressed_texture_astc.getSupportedProfiles 📋	Chrome	12/1/2015	Safari	9/17/2018	1021
css.at-rules.media.calc 📋	Firefox	3/13/2018	Safari	9/17/2018	188
css.properties.column-gap.grid_context 📋	Chrome	4/17/2018	Safari	9/17/2018	153
css.properties.column-gap.multicol_context.percentage_values	Chrome	4/17/2018	Safari	9/17/2018	153
css.properties.gap.grid_context 📋	Chrome	4/17/2018	Safari	9/17/2018	153
css.properties.row-gap.grid_context 📋	Chrome	4/17/2018	Safari	9/17/2018	153
javascript.builtins.Array.flat 📋	Chrome	9/4/2018	Safari	9/17/2018	13
javascript.builtins.Array.flatMap 📋	Chrome	9/4/2018	Safari	9/17/2018	13
javascript.builtins.AsyncGenerator 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.AsyncGenerator.next 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.AsyncGenerator.return 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.AsyncGenerator.throw 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.AsyncGeneratorFunction 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.AsyncGeneratorFunction.AsyncGeneratorFunction 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.builtins.Date.UTC.optional_monthIndex	Chrome	3/9/2017	Safari	9/17/2018	557
javascript.builtins.JSON.json_superset	Chrome	4/17/2018	Safari	9/17/2018	153
javascript.builtins.String.trimEnd 📋	Chrome	4/17/2018	Safari	9/17/2018	153
javascript.builtins.String.trimStart 📋	Chrome	4/17/2018	Safari	9/17/2018	153
javascript.functions.method_definitions.async_generator_methods	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.operators.async_generator_function 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.statements.async_generator_function 📋	Firefox	8/8/2017	Safari	9/17/2018	405
javascript.statements.for_await_of 📋	Firefox	11/14/2017	Safari	9/17/2018	307
api.DOMMatrixReadOnly.DOMMatrixReadOnly 📋	Chrome	9/5/2017	Firefox	9/5/2018	365
api.DOMMatrixReadOnly.toJSON 📋	Chrome	9/5/2017	Firefox	9/5/2018	365
api.DOMPoint.fromPoint_static 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.DOMPointReadOnly.DOMPointReadOnly 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.DOMPointReadOnly.fromPoint_static 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.DOMPointReadOnly.toJSON 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.DOMQuad.getBounds 📋	Chrome	9/5/2017	Firefox	9/5/2018	365
api.DOMQuad.toJSON 📋	Chrome	9/5/2017	Firefox	9/5/2018	365
api.DOMRectReadOnly.DOMRectReadOnly 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.DOMRectReadOnly.toJSON 📋	Safari	3/27/2017	Firefox	9/5/2018	527
api.Event.srcElement 📋	Safari	6/23/2003	Firefox	9/5/2018	5553
api.RTCDataChannel.maxPacketLifeTime 📋	Chrome	1/25/2017	Firefox	9/5/2018	588
api.RTCDataChannel.maxRetransmits 📋	Chrome	10/1/2013	Firefox	9/5/2018	1800
css.at-rules.font-face.font-stretch 📋	Safari	3/27/2017	Firefox	9/5/2018	527
css.at-rules.font-face.src.format_variations	Safari	9/19/2017	Firefox	9/5/2018	351
css.properties.font-variation-settings 📋	Safari	9/19/2017	Firefox	9/5/2018	351
css.properties.shape-image-threshold 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-margin 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.circle	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.gradient 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.image 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.inset	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.none 📋	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.properties.shape-outside.polygon	Chrome	8/26/2014	Firefox	9/5/2018	1471
css.selectors.selection 📋	Safari	10/24/2003	Firefox	9/5/2018	5430
javascript.operators.import_meta 📋	Chrome	1/23/2018	Firefox	9/5/2018	225
api.RTCPeerConnection.addTransceiver 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCPeerConnection.addTransceiver.init_direction_parameter	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCPeerConnection.getTransceivers 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpSender.getParameters.return_object_property_headerExtensions 📋	Firefox	4/26/2016	Chrome	9/4/2018	861
api.RTCRtpSender.setParameters.parameters_encodings_parameter 📋	Firefox	4/26/2016	Chrome	9/4/2018	861
api.RTCRtpSender.setParameters.parameters_encodings_parameter.maxBitrate 📋	Firefox	4/26/2016	Chrome	9/4/2018	861
api.RTCRtpSender.setParameters.parameters_encodings_parameter.priority 📋	Firefox	4/26/2016	Chrome	9/4/2018	861
api.RTCRtpTransceiver 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpTransceiver.direction 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpTransceiver.mid 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpTransceiver.receiver 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpTransceiver.sender 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCRtpTransceiver.stopped	Safari	9/19/2017	Chrome	9/4/2018	350
api.RTCTrackEvent.transceiver 📋	Safari	9/19/2017	Chrome	9/4/2018	350
api.Request.Request.cross_origin_stripped	Safari	3/27/2017	Chrome	9/4/2018	526

2018/7

API	First Browser	Date	Last Browser	Date	Days
api.CanvasPattern.setTransform 📋	Firefox	10/14/2014	Chrome	7/24/2018	1379
api.Path2D.addPath 📋	Firefox	12/1/2014	Chrome	7/24/2018	1331
api.RTCRtpSender.getParameters 📋	Firefox	4/26/2016	Chrome	7/24/2018	819
api.ServiceWorkerRegistration.updateViaCache 📋	Firefox	11/14/2017	Chrome	7/24/2018	252
css.properties.cursor.grab	Firefox	2/4/2014	Chrome	7/24/2018	1631
css.properties.cursor.grabbing 📋	Firefox	2/4/2014	Chrome	7/24/2018	1631

2018/6

API	First Browser	Date	Last Browser	Date	Days
api.Document.anchors 📋	Chrome	12/11/2008	Firefox	6/26/2018	3484
api.Document.applets 📋	Chrome	12/11/2008	Firefox	6/26/2018	3484
api.Document.embeds 📋	Chrome	7/16/2014	Firefox	6/26/2018	1441
api.Document.forms 📋	Chrome	12/11/2008	Firefox	6/26/2018	3484
api.Document.head 📋	Chrome	1/25/2010	Firefox	6/26/2018	3074
api.Document.images 📋	Chrome	12/11/2008	Firefox	6/26/2018	3484
api.Document.links 📋	Chrome	12/11/2008	Firefox	6/26/2018	3484
api.Document.plugins 📋	Chrome	7/16/2014	Firefox	6/26/2018	1441
api.Document.scripts 📋	Chrome	7/16/2014	Firefox	6/26/2018	1441
api.EventTarget.addEventListener.options_parameter.options_passive_parameter_default_true_touch	Chrome	12/1/2016	Firefox	6/26/2018	572
api.Request.destination 📋	Safari	3/27/2017	Firefox	6/26/2018	456
css.properties.font-stretch.percentage	Chrome	10/17/2017	Firefox	6/26/2018	252
css.properties.font-style.oblique-angle 📋	Chrome	10/17/2017	Firefox	6/26/2018	252
css.properties.font-weight.number	Safari	9/19/2017	Firefox	6/26/2018	280

2018/5

API	First Browser	Date	Last Browser	Date	Days
api.RTCPeerConnection.getStats.selector_parameter	Firefox	2/4/2014	Chrome	5/29/2018	1575
api.Document.body 📋	Safari	6/23/2003	Firefox	5/9/2018	5434
api.HTMLScriptElement.noModule 📋	Chrome	9/5/2017	Firefox	5/9/2018	246
api.Navigator.webdriver 📋	Safari	3/27/2017	Firefox	5/9/2018	408
api.PerformanceEntry.worker_support	Safari	9/19/2017	Firefox	5/9/2018	232
html.elements.script.nomodule 📋	Chrome	9/5/2017	Firefox	5/9/2018	246
html.elements.script.type.module	Safari	3/27/2017	Firefox	5/9/2018	408
javascript.builtins.Array.values 📋	Safari	9/30/2015	Firefox	5/9/2018	952
javascript.statements.export 📋	Safari	3/27/2017	Firefox	5/9/2018	408
javascript.statements.export.default 📋	Safari	3/27/2017	Firefox	5/9/2018	408
javascript.statements.import 📋	Safari	3/27/2017	Firefox	5/9/2018	408

2018/4

API	First Browser	Date	Last Browser	Date	Days
api.AbortSignal 📋	Firefox	11/14/2017	Chrome	4/17/2018	154
api.AbortSignal.abort_event 📋	Firefox	11/14/2017	Chrome	4/17/2018	154
api.AbortSignal.aborted 📋	Firefox	11/14/2017	Chrome	4/17/2018	154
api.HTMLCanvasElement.getContext.bitmaprenderer_context	Firefox	4/26/2016	Chrome	4/17/2018	721
api.HTMLSelectElement.autocomplete 📋	Safari	3/21/2016	Chrome	4/17/2018	757
api.HTMLTextAreaElement.autocomplete 📋	Safari	3/21/2016	Chrome	4/17/2018	757
api.ImageBitmapRenderingContext 📋	Firefox	4/26/2016	Chrome	4/17/2018	721
api.ImageBitmapRenderingContext.transferFromImageBitmap 📋	Firefox	11/15/2016	Chrome	4/17/2018	518
api.fetch.init_signal_parameter	Firefox	11/14/2017	Chrome	4/17/2018	154
css.properties.gap.grid_context.percentage_values	Firefox	3/7/2017	Chrome	4/17/2018	406
html.elements.select.autocomplete 📋	Safari	3/21/2016	Chrome	4/17/2018	757
html.elements.textarea.autocomplete 📋	Safari	3/21/2016	Chrome	4/17/2018	757
javascript.statements.try_catch.optional_catch_binding	Firefox	1/23/2018	Chrome	4/17/2018	84
api.Cache 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Cache.add 📋	Chrome	7/21/2015	Safari	4/12/2018	996
api.Cache.addAll 📋	Firefox	9/22/2015	Safari	4/12/2018	933
api.Cache.delete 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Cache.keys 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Cache.match 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Cache.matchAll 📋	Firefox	9/22/2015	Safari	4/12/2018	933
api.Cache.put 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Cache.worker_support	Chrome	1/21/2015	Safari	4/12/2018	1177
api.CacheStorage 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.CacheStorage.delete 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.CacheStorage.has 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.CacheStorage.keys 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.CacheStorage.match 📋	Firefox	9/22/2015	Safari	4/12/2018	933
api.CacheStorage.open 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.CacheStorage.secure_context_required	Firefox	1/26/2016	Safari	4/12/2018	807
api.CacheStorage.worker_support	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Client 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Client.frameType 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.Client.id 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Client.postMessage 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Client.type 📋	Firefox	6/13/2017	Safari	4/12/2018	303
api.Client.url 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Clients 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.Clients.claim 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.Clients.get 📋	Firefox	3/8/2016	Safari	4/12/2018	765
api.Clients.matchAll 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.Clients.matchAll.options_includeUncontrolled_parameter 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.Clients.openWindow 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.DataTransfer.items 📋	Chrome	9/15/2009	Safari	4/12/2018	3131
api.DataTransferItem.webkitGetAsEntry 📋	Chrome	8/2/2011	Safari	4/12/2018	2445
api.Document.elementsFromPoint 📋	Chrome	5/19/2015	Safari	4/12/2018	1059
api.ExtendableEvent 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ExtendableEvent.ExtendableEvent 📋	Chrome	3/3/2015	Safari	4/12/2018	1136
api.ExtendableEvent.waitUntil 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ExtendableEvent.waitUntil.async_waitUntil	Firefox	4/19/2017	Safari	4/12/2018	358
api.ExtendableMessageEvent 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.ExtendableMessageEvent 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.data 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.lastEventId 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.origin 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.ports 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.ExtendableMessageEvent.source 📋	Firefox	1/26/2016	Safari	4/12/2018	807
api.FetchEvent 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.FetchEvent.FetchEvent 📋	Chrome	7/21/2015	Safari	4/12/2018	996
api.FetchEvent.clientId 📋	Chrome	3/2/2016	Safari	4/12/2018	771
api.FetchEvent.request 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.FetchEvent.respondWith 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.File.webkitRelativePath 📋	Chrome	8/2/2011	Safari	4/12/2018	2445
api.FileSystem 📋	Chrome	10/19/2010	Safari	4/12/2018	2732
api.FileSystem.name 📋	Chrome	10/19/2010	Safari	4/12/2018	2732
api.FileSystem.root 📋	Chrome	10/19/2010	Safari	4/12/2018	2732
api.FileSystemDirectoryEntry 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemDirectoryEntry.createReader 📋	Chrome	8/2/2011	Safari	4/12/2018	2445
api.FileSystemDirectoryEntry.getDirectory 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemDirectoryEntry.getFile 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemDirectoryReader 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemDirectoryReader.readEntries 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.filesystem 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.fullPath 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.getParent 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.isDirectory 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.isFile 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemEntry.name 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemFileEntry 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FileSystemFileEntry.file 📋	Chrome	12/2/2010	Safari	4/12/2018	2688
api.FontFace.display 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.FormData.@@iterator	Firefox	1/26/2016	Safari	4/12/2018	807
api.FormData.delete 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
api.FormData.entries	Firefox	1/26/2016	Safari	4/12/2018	807
api.FormData.forEach	Chrome	4/13/2016	Safari	4/12/2018	729
api.FormData.get 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
api.FormData.getAll 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
api.FormData.has 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
api.FormData.keys	Firefox	1/26/2016	Safari	4/12/2018	807
api.FormData.set 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
api.FormData.values	Firefox	1/26/2016	Safari	4/12/2018	807
api.HTMLInputElement.webkitEntries 📋	Chrome	9/25/2012	Safari	4/12/2018	2025
api.HTMLInputElement.webkitdirectory 📋	Chrome	10/19/2010	Safari	4/12/2018	2732
api.HTMLLinkElement.integrity 📋	Chrome	9/1/2015	Safari	4/12/2018	954
api.HTMLScriptElement.integrity 📋	Chrome	9/1/2015	Safari	4/12/2018	954
api.InstallEvent 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.MouseEvent.buttons 📋	Firefox	8/28/2012	Safari	4/12/2018	2053
api.Navigator.sendBeacon 📋	Firefox	7/22/2014	Safari	4/12/2018	1360
api.Navigator.serviceWorker 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.PaymentRequest 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.PaymentRequest 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.abort 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.canMakePayment 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.id 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.shippingAddress	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.shippingOption	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.shippingType	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.shippingaddresschange_event	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.shippingoptionchange_event	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequest.show 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequestUpdateEvent 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequestUpdateEvent.PaymentRequestUpdateEvent 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentRequestUpdateEvent.updateWith 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.complete 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.details 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.methodName 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.payerEmail 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.payerName 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.payerPhone 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.requestId 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.shippingAddress 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.shippingOption 📋	Chrome	7/25/2017	Safari	4/12/2018	261
api.PaymentResponse.toJSON	Chrome	7/25/2017	Safari	4/12/2018	261
api.ServiceWorker 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorker.error_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorker.postMessage 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorker.scriptURL 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorker.state 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorker.statechange_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.controller 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.controllerchange_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.getRegistration 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.getRegistrations 📋	Chrome	9/1/2015	Safari	4/12/2018	954
api.ServiceWorkerContainer.message_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.ready 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerContainer.register 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.activate_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.clients 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.fetch_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.install_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.message_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerGlobalScope.registration 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.ServiceWorkerGlobalScope.skipWaiting 📋	Chrome	3/3/2015	Safari	4/12/2018	1136
api.ServiceWorkerRegistration 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.active 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.installing 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.scope 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.unregister 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.update 📋	Chrome	9/1/2015	Safari	4/12/2018	954
api.ServiceWorkerRegistration.updatefound_event 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.ServiceWorkerRegistration.waiting 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.WindowClient 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.WindowClient.focus 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.WindowClient.focused 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.WindowClient.visibilityState 📋	Chrome	4/14/2015	Safari	4/12/2018	1094
api.caches 📋	Chrome	1/21/2015	Safari	4/12/2018	1177
api.caches.worker_support	Chrome	1/21/2015	Safari	4/12/2018	1177
api.fetch.init_referrerPolicy_parameter	Chrome	7/20/2016	Safari	4/12/2018	631
api.isSecureContext 📋	Chrome	12/1/2015	Safari	4/12/2018	863
api.isSecureContext.worker_support	Chrome	12/1/2016	Safari	4/12/2018	497
css.at-rules.font-face.OpenType_COLRv0	Firefox	7/22/2014	Safari	4/12/2018	1360
css.at-rules.font-face.font-display 📋	Chrome	7/25/2017	Safari	4/12/2018	261
css.properties.caret-color 📋	Chrome	3/9/2017	Safari	4/12/2018	399
css.properties.display.contents 📋	Firefox	3/31/2015	Safari	4/12/2018	1108
html.elements.iframe.sandbox.allow-modals 📋	Chrome	10/13/2015	Safari	4/12/2018	912
html.elements.iframe.sandbox.allow-popups-to-escape-sandbox 📋	Chrome	10/13/2015	Safari	4/12/2018	912
html.elements.input.webkitdirectory	Chrome	10/19/2010	Safari	4/12/2018	2732
html.elements.link.integrity 📋	Chrome	9/1/2015	Safari	4/12/2018	954
html.elements.link.rel.preconnect 📋	Firefox	7/2/2015	Safari	4/12/2018	1015
html.elements.meta.name.referrer 📋	Chrome	2/8/2012	Safari	4/12/2018	2255
html.elements.script.integrity 📋	Chrome	9/1/2015	Safari	4/12/2018	954
javascript.builtins.AsyncIterator 📋	Firefox	11/14/2017	Safari	4/12/2018	149
javascript.builtins.AsyncIterator.@@asyncIterator 📋	Firefox	11/14/2017	Safari	4/12/2018	149
javascript.builtins.Promise.finally 📋	Chrome	12/6/2017	Safari	4/12/2018	127
javascript.builtins.Symbol.asyncIterator 📋	Firefox	11/14/2017	Safari	4/12/2018	149
javascript.operators.destructuring.rest_in_objects	Chrome	7/25/2017	Safari	4/12/2018	261
javascript.operators.object_initializer.spread_properties	Chrome	7/25/2017	Safari	4/12/2018	261
javascript.operators.spread.spread_in_object_literals 📋	Chrome	7/25/2017	Safari	4/12/2018	261

2018/3

API	First Browser	Date	Last Browser	Date	Days
api.CSSNamespaceRule.namespaceURI 📋	Chrome	12/1/2015	Firefox	3/13/2018	833
api.CSSNamespaceRule.prefix 📋	Chrome	12/1/2015	Firefox	3/13/2018	833
api.DOMMatrixReadOnly.isIdentity 📋	Chrome	9/5/2017	Firefox	3/13/2018	189
api.Event.composedPath 📋	Chrome	8/31/2016	Firefox	3/13/2018	559
api.MediaStreamTrack.mute_event 📋	Chrome	3/26/2013	Firefox	3/13/2018	1813
api.MediaStreamTrack.muted 📋	Chrome	10/7/2014	Firefox	3/13/2018	1253
api.MediaStreamTrack.unmute_event 📋	Chrome	3/26/2013	Firefox	3/13/2018	1813
api.Response.Response.body_parameter_optional	Chrome	1/21/2015	Firefox	3/13/2018	1147
css.properties.position.position_sticky_table_elements	Safari	10/16/2014	Firefox	3/13/2018	1244
css.selectors.placeholder-shown.non_text_types	Safari	9/30/2015	Firefox	3/13/2018	895
api.HTMLAnchorElement.relList 📋	Firefox	6/10/2014	Chrome	3/6/2018	1365
api.HTMLAreaElement.relList 📋	Firefox	6/10/2014	Chrome	3/6/2018	1365
api.RTCRtpSender.replaceTrack 📋	Firefox	12/1/2014	Chrome	3/6/2018	1191
css.selectors.any-link 📋	Safari	9/30/2015	Chrome	3/6/2018	888

2018/1

API	First Browser	Date	Last Browser	Date	Days
api.Document.getElementsByName 📋	Chrome	12/11/2008	Firefox	1/23/2018	3330
api.EXT_sRGB 📋	Chrome	1/21/2015	Firefox	1/23/2018	1098
api.PerformanceResourceTiming.workerStart 📋	Chrome	10/13/2015	Firefox	1/23/2018	833
api.RTCPeerConnection.addTrack 📋	Firefox	6/25/2013	Chrome	1/23/2018	1673
api.RTCPeerConnection.getSenders 📋	Firefox	12/1/2014	Chrome	1/23/2018	1149
api.RTCPeerConnection.removeTrack 📋	Firefox	6/25/2013	Chrome	1/23/2018	1673
api.RTCPeerConnection.track_event 📋	Firefox	6/25/2013	Chrome	1/23/2018	1673
api.RTCRtpSender 📋	Firefox	12/1/2014	Chrome	1/23/2018	1149
api.RTCRtpSender.track 📋	Firefox	12/1/2014	Chrome	1/23/2018	1149
api.RTCTrackEvent.RTCTrackEvent 📋	Firefox	4/26/2016	Chrome	1/23/2018	637
api.Request.cache 📋	Firefox	8/2/2016	Chrome	1/23/2018	539
api.Request.cache.only-if-cached	Firefox	11/15/2016	Chrome	1/23/2018	434
css.properties.transform-box 📋	Firefox	8/8/2017	Chrome	1/23/2018	168
html.global_attributes.title.multi-line_titles	Safari	9/19/2017	Firefox	1/23/2018	126

2017/12

API	First Browser	Date	Last Browser	Date	Days
css.properties.font-variant-east-asian 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.full-width 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.jis04 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.jis78 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.jis83 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.jis90 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.normal 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.proportional-width 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.ruby 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.simplified 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
css.properties.font-variant-east-asian.traditional 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
javascript.builtins.Proxy.revocable 📋	Firefox	12/1/2014	Chrome	12/6/2017	1101
javascript.statements.for_of.async_iterators	Safari	10/22/2013	Chrome	12/6/2017	1506

2017/11

API	First Browser	Date	Last Browser	Date	Days
api.Document.getSelection 📋	Chrome	5/21/2009	Firefox	11/14/2017	3099
api.HTMLInputElement.valueAsDate 📋	Chrome	5/25/2010	Firefox	11/14/2017	2730
api.Headers.iterate_combined_duplicates	Chrome	3/9/2017	Firefox	11/14/2017	250
api.Headers.iterate_lexicographically	Chrome	3/9/2017	Firefox	11/14/2017	250
api.KeyboardEvent.initKeyboardEvent 📋	Safari	2/2/2004	Firefox	11/14/2017	5034
api.PerformanceObserver 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserver.PerformanceObserver 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserver.disconnect 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserver.observe 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserver.worker_support	Safari	9/19/2017	Firefox	11/14/2017	56
api.PerformanceObserverEntryList 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserverEntryList.getEntries 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserverEntryList.getEntriesByName 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.PerformanceObserverEntryList.getEntriesByType 📋	Chrome	7/20/2016	Firefox	11/14/2017	482
api.Selection.type 📋	Safari	4/15/2005	Firefox	11/14/2017	4596

2017/10

API	First Browser	Date	Last Browser	Date	Days
api.HTMLDataElement 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
api.HTMLDataElement.value 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
api.HTMLTimeElement 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
api.HTMLTimeElement.dateTime 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
api.MediaSource.clearLiveSeekableRange 📋	Firefox	11/15/2016	Chrome	10/17/2017	336
api.MediaSource.setLiveSeekableRange 📋	Firefox	11/15/2016	Chrome	10/17/2017	336
css.properties.text-emphasis-position.left	Safari	10/16/2014	Chrome	10/17/2017	1097
css.properties.text-emphasis-position.right	Safari	10/16/2014	Chrome	10/17/2017	1097
css.types.color.rgb_hexadecimal_notation.alpha_hexadecimal_notation	Firefox	9/20/2016	Chrome	10/17/2017	392
html.elements.data 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
html.elements.data.value 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
html.elements.time 📋	Firefox	6/25/2013	Chrome	10/17/2017	1575
html.elements.time.datetime	Firefox	6/25/2013	Chrome	10/17/2017	1575
javascript.grammar.template_literals.template_literal_revision	Firefox	4/19/2017	Chrome	10/17/2017	181

2017/9

API	First Browser	Date	Last Browser	Date	Days
api.HTMLButtonElement.labels 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.HTMLInputElement.labels 📋	Safari	6/7/2010	Firefox	9/28/2017	2670
api.HTMLLinkElement.as 📋	Chrome	4/13/2016	Firefox	9/28/2017	533
api.HTMLMeterElement.labels 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.HTMLOutputElement.labels 📋	Chrome	2/3/2011	Firefox	9/28/2017	2429
api.HTMLProgressElement.labels 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.HTMLSelectElement.labels 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.HTMLTextAreaElement.labels 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.PerformanceTiming.secureConnectionStart 📋	Chrome	9/2/2010	Firefox	9/28/2017	2583
api.RTCStatsReport.type_candidate-pair.bytesReceived 📋	Chrome	4/19/2017	Firefox	9/28/2017	162
api.RTCStatsReport.type_candidate-pair.bytesSent 📋	Chrome	4/19/2017	Firefox	9/28/2017	162
api.RTCStatsReport.type_candidate-pair.nominated 📋	Chrome	4/19/2017	Firefox	9/28/2017	162
api.RTCStatsReport.type_candidate-pair.transportId 📋	Chrome	4/19/2017	Firefox	9/28/2017	162
html.elements.link.as 📋	Chrome	4/13/2016	Firefox	9/28/2017	533
api.AudioContext.createMediaStreamDestination 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.AudioContext.createMediaStreamSource 📋	Chrome	9/25/2012	Safari	9/19/2017	1820
api.BeforeUnloadEvent.user_interaction	Firefox	1/26/2016	Safari	9/19/2017	602
api.CSS.supports_static.optional_parens	Firefox	8/8/2017	Safari	9/19/2017	42
api.CSSStyleDeclaration.@@iterator	Firefox	2/24/2015	Safari	9/19/2017	938
api.Crypto.subtle 📋	Chrome	8/26/2014	Safari	9/19/2017	1120
api.DOMMatrix 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.DOMMatrix 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.a 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.b 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.c 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.d 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.e 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.f 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.invertSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m11 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m12 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m13 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m14 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m21 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m22 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m23 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m24 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m31 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m32 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m33 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m34 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m41 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m42 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m43 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.m44 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.multiplySelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.preMultiplySelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.rotateAxisAngleSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.rotateFromVectorSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.rotateSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.scale3dSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.scaleSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.setMatrixValue 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.skewXSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.skewYSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrix.translateSelf 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.a 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.b 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.c 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.d 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.e 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.f 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.flipX 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.flipY 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.inverse 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.is2D 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m11 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m12 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m13 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m14 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m21 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m22 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m23 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m24 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m31 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m32 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m33 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m34 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m41 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m42 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m43 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.m44 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.multiply 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.rotate 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.rotateAxisAngle 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.rotateFromVector 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.scale 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.scale3d 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.skewX 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.skewY 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.toFloat32Array 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.toFloat64Array 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.toString	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.transformPoint 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMMatrixReadOnly.translate 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.DOMQuad 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.DOMQuad.DOMQuad 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.DOMQuad.p1 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.DOMQuad.p2 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.DOMQuad.p3 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.DOMQuad.p4 📋	Firefox	7/22/2014	Safari	9/19/2017	1155
api.HTMLCanvasElement.captureStream 📋	Firefox	12/15/2015	Safari	9/19/2017	644
api.HTMLCanvasElement.toBlob 📋	Firefox	1/8/2013	Safari	9/19/2017	1715
api.HTMLCanvasElement.toBlob.quality_parameter	Firefox	10/29/2013	Safari	9/19/2017	1421
api.HTMLCanvasElement.toBlob.type_parameter_jpeg	Firefox	1/8/2013	Safari	9/19/2017	1715
api.HTMLCanvasElement.toBlob.type_parameter_png	Firefox	1/8/2013	Safari	9/19/2017	1715
api.HTMLCanvasElement.toDataURL.type_parameter_jpeg	Firefox	1/8/2013	Safari	9/19/2017	1715
api.HTMLCanvasElement.toDataURL.type_parameter_png	Firefox	1/8/2013	Safari	9/19/2017	1715
api.History.scrollRestoration 📋	Chrome	10/13/2015	Safari	9/19/2017	707
api.InputDeviceInfo 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo.deviceId 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo.groupId 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo.kind 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo.label 📋	Firefox	7/2/2015	Safari	9/19/2017	810
api.MediaDeviceInfo.toJSON 📋	Firefox	11/3/2015	Safari	9/19/2017	686
api.MediaDevices 📋	Firefox	10/14/2014	Safari	9/19/2017	1071
api.MediaDevices.devicechange_event 📋	Firefox	3/7/2017	Safari	9/19/2017	196
api.MediaDevices.getSupportedConstraints 📋	Firefox	1/26/2016	Safari	9/19/2017	602
api.MediaDevices.getUserMedia 📋	Firefox	2/24/2015	Safari	9/19/2017	938
api.MediaStream 📋	Firefox	8/28/2012	Safari	9/19/2017	1848
api.MediaStream.MediaStream 📋	Firefox	1/26/2016	Safari	9/19/2017	602
api.MediaStream.active 📋	Chrome	4/14/2015	Safari	9/19/2017	889
api.MediaStream.addTrack 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.addtrack_event 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.clone 📋	Chrome	5/20/2014	Safari	9/19/2017	1218
api.MediaStream.getAudioTracks 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.getTrackById 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.getTracks 📋	Chrome	10/7/2014	Safari	9/19/2017	1078
api.MediaStream.getVideoTracks 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.id 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStream.removeTrack 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamAudioDestinationNode 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.MediaStreamAudioDestinationNode.stream 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.MediaStreamAudioSourceNode 📋	Chrome	9/25/2012	Safari	9/19/2017	1820
api.MediaStreamTrack 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.applyConstraints 📋	Firefox	12/15/2015	Safari	9/19/2017	644
api.MediaStreamTrack.applyConstraints.deviceId_constraint 📋	Firefox	12/15/2015	Safari	9/19/2017	644
api.MediaStreamTrack.applyConstraints.echoCancellation_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.applyConstraints.facingMode_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.applyConstraints.frameRate_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.applyConstraints.height_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.applyConstraints.latency_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.applyConstraints.width_constraint 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.clone 📋	Chrome	5/20/2014	Safari	9/19/2017	1218
api.MediaStreamTrack.enabled 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.ended_event 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.getConstraints 📋	Chrome	8/31/2016	Safari	9/19/2017	384
api.MediaStreamTrack.getSettings 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrack.id 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.kind 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.label 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.readyState 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrack.stop 📋	Chrome	1/14/2014	Safari	9/19/2017	1344
api.MediaStreamTrackEvent 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.MediaStreamTrackEvent.MediaStreamTrackEvent 📋	Firefox	11/15/2016	Safari	9/19/2017	308
api.MediaStreamTrackEvent.track 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.Navigator.mediaDevices 📋	Firefox	2/24/2015	Safari	9/19/2017	938
api.Notification.body 📋	Firefox	12/10/2013	Safari	9/19/2017	1379
api.Notification.lang 📋	Firefox	12/10/2013	Safari	9/19/2017	1379
api.Notification.title 📋	Firefox	12/10/2013	Safari	9/19/2017	1379
api.Performance.clearMarks 📋	Chrome	8/20/2013	Safari	9/19/2017	1491
api.Performance.clearMeasures 📋	Chrome	8/20/2013	Safari	9/19/2017	1491
api.Performance.clearResourceTimings 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.Performance.getEntries 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.Performance.getEntriesByName 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.Performance.getEntriesByType 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.Performance.mark 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.Performance.measure 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.Performance.resourcetimingbufferfull_event 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.Performance.setResourceTimingBufferSize 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceEntry 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceEntry.duration 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.PerformanceEntry.entryType 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.PerformanceEntry.name 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.PerformanceEntry.startTime 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.PerformanceEntry.toJSON 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceMark 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.PerformanceMeasure 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.PerformanceResourceTiming 📋	Chrome	8/20/2013	Safari	9/19/2017	1491
api.PerformanceResourceTiming.connectEnd 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.connectStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.domainLookupEnd 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.domainLookupStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.fetchStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.initiatorType 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.nextHopProtocol 📋	Firefox	3/8/2016	Safari	9/19/2017	560
api.PerformanceResourceTiming.redirectEnd 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.redirectStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.requestStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.responseEnd 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.secureConnectionStart 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.PerformanceResourceTiming.toJSON 📋	Firefox	1/13/2015	Safari	9/19/2017	980
api.RTCDataChannel 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.binaryType 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.binaryType.arraybuffer_value	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.bufferedAmount 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.bufferedAmountLowThreshold 📋	Chrome	10/13/2015	Safari	9/19/2017	707
api.RTCDataChannel.bufferedamountlow_event 📋	Firefox	1/26/2016	Safari	9/19/2017	602
api.RTCDataChannel.close 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.close_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.error_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.id 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCDataChannel.label 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.message_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.open_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.ordered 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCDataChannel.protocol 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCDataChannel.readyState 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannel.send 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannelEvent 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCDataChannelEvent.RTCDataChannelEvent 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCDataChannelEvent.channel 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCIceCandidate 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCIceCandidate.RTCIceCandidate 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCIceCandidate.candidate 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCIceCandidate.sdpMLineIndex 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCIceCandidate.sdpMid 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCIceCandidate.toJSON 📋	Firefox	2/4/2014	Safari	9/19/2017	1323
api.RTCPeerConnection 📋	Firefox	1/26/2016	Safari	9/19/2017	602
api.RTCPeerConnection.RTCPeerConnection 📋	Firefox	1/26/2016	Safari	9/19/2017	602
api.RTCPeerConnection.RTCPeerConnection.configuration_bundlePolicy_parameter 📋	Chrome	4/14/2015	Safari	9/19/2017	889
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.credential_parameter 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.urls_parameter 📋	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.username_parameter 📋	Firefox	8/6/2013	Safari	9/19/2017	1505
api.RTCPeerConnection.RTCPeerConnection.configuration_iceTransportPolicy_parameter 📋	Firefox	11/3/2015	Safari	9/19/2017	686
api.RTCPeerConnection.addIceCandidate 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.addIceCandidate.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.close 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCPeerConnection.createAnswer 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.createAnswer.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.createDataChannel 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.createOffer 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.createOffer.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.datachannel_event 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.RTCPeerConnection.getReceivers 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.RTCPeerConnection.getStats 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.getStats.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.iceConnectionState 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.RTCPeerConnection.iceGatheringState 📋	Chrome	2/21/2013	Safari	9/19/2017	1671
api.RTCPeerConnection.icecandidate_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.iceconnectionstatechange_event 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.RTCPeerConnection.icegatheringstatechange_event 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCPeerConnection.localDescription 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.negotiationneeded_event 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.remoteDescription 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.setLocalDescription 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.setLocalDescription.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.setRemoteDescription 📋	Chrome	1/10/2013	Safari	9/19/2017	1713
api.RTCPeerConnection.setRemoteDescription.returns_promise	Firefox	3/31/2015	Safari	9/19/2017	903
api.RTCPeerConnection.signalingState 📋	Chrome	3/26/2013	Safari	9/19/2017	1638
api.RTCPeerConnection.signalingstatechange_event 📋	Chrome	7/9/2013	Safari	9/19/2017	1533
api.RTCRtpReceiver 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.RTCRtpReceiver.track 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.RTCSessionDescription 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCSessionDescription.RTCSessionDescription	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCSessionDescription.sdp 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCSessionDescription.toJSON 📋	Firefox	9/17/2013	Safari	9/19/2017	1463
api.RTCSessionDescription.type 📋	Chrome	11/6/2012	Safari	9/19/2017	1778
api.RTCStatsReport 📋	Firefox	2/4/2014	Safari	9/19/2017	1323
api.RTCStatsReport.@@iterator	Firefox	8/2/2016	Safari	9/19/2017	413
api.RTCStatsReport.entries 📋	Firefox	8/2/2016	Safari	9/19/2017	413
api.RTCStatsReport.forEach 📋	Firefox	2/4/2014	Safari	9/19/2017	1323
api.RTCStatsReport.get 📋	Firefox	2/4/2014	Safari	9/19/2017	1323
api.RTCStatsReport.has 📋	Firefox	2/4/2014	Safari	9/19/2017	1323
api.RTCStatsReport.keys 📋	Firefox	8/2/2016	Safari	9/19/2017	413
api.RTCStatsReport.size 📋	Firefox	8/2/2016	Safari	9/19/2017	413
api.RTCStatsReport.type_candidate-pair 📋	Firefox	4/29/2014	Safari	9/19/2017	1239
api.RTCStatsReport.type_candidate-pair.localCandidateId 📋	Firefox	4/29/2014	Safari	9/19/2017	1239
api.RTCStatsReport.type_candidate-pair.remoteCandidateId 📋	Firefox	4/29/2014	Safari	9/19/2017	1239
api.RTCStatsReport.type_candidate-pair.state 📋	Firefox	4/29/2014	Safari	9/19/2017	1239
api.RTCStatsReport.values	Firefox	8/2/2016	Safari	9/19/2017	413
api.RTCTrackEvent 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCTrackEvent.receiver 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.RTCTrackEvent.streams 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.RTCTrackEvent.track 📋	Firefox	6/25/2013	Safari	9/19/2017	1547
api.SubtleCrypto 📋	Chrome	8/26/2014	Safari	9/19/2017	1120
api.SubtleCrypto.deriveBits 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.SubtleCrypto.deriveKey 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_aes 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hmac 📋	Firefox	12/1/2014	Safari	9/19/2017	1023
api.SubtleCrypto.worker_support	Chrome	8/26/2014	Safari	9/19/2017	1120
api.URLSearchParams.URLSearchParams.record	Firefox	6/13/2017	Safari	9/19/2017	98
api.URLSearchParams.URLSearchParams.sequence	Chrome	4/19/2017	Safari	9/19/2017	153
api.URLSearchParams.sort 📋	Firefox	6/13/2017	Safari	9/19/2017	98
api.origin 📋	Chrome	6/5/2017	Safari	9/19/2017	106
api.performance.worker_support	Chrome	10/1/2013	Safari	9/19/2017	1449
css.properties.align-content.flex_context.first_baseline	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.align-content.flex_context.space-evenly	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.align-items.flex_context.first_baseline	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.align-items.grid_context.start_end	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.align-self.flex_context.first_baseline	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.font.font_stretch_support	Firefox	12/15/2015	Safari	9/19/2017	644
css.properties.font-stretch 📋	Firefox	12/20/2011	Safari	9/19/2017	2100
css.properties.justify-content.flex_context.space-evenly	Firefox	3/7/2017	Safari	9/19/2017	196
css.properties.place-content.grid_context	Firefox	4/19/2017	Safari	9/19/2017	153
css.properties.place-items 📋	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.place-items.flex_context	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.place-items.grid_context	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.place-self 📋	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.place-self.flex_context	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.place-self.grid_context	Firefox	3/8/2016	Safari	9/19/2017	560
css.properties.position.absolutely_positioned_flex_children	Chrome	7/20/2016	Safari	9/19/2017	426
css.properties.unicode-bidi.isolate 📋	Chrome	1/20/2016	Safari	9/19/2017	608
css.properties.unicode-bidi.isolate-override 📋	Chrome	1/20/2016	Safari	9/19/2017	608
css.properties.unicode-bidi.plaintext 📋	Chrome	1/20/2016	Safari	9/19/2017	608
css.types.calc.nested	Chrome	5/25/2016	Safari	9/19/2017	482
html.elements.img.usemap.case_sensitive	Firefox	1/24/2017	Safari	9/19/2017	238
javascript.builtins.Intl.Collator.Collator.options_caseFirst_parameter	Chrome	1/10/2013	Safari	9/19/2017	1713
javascript.builtins.Intl.DateTimeFormat.formatToParts 📋	Firefox	1/24/2017	Safari	9/19/2017	238
javascript.operators.new_target 📋	Firefox	9/22/2015	Safari	9/19/2017	728
api.DOMPoint 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPoint.DOMPoint 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPoint.w 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPoint.x 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPoint.y 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPoint.z 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPointReadOnly 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPointReadOnly.w 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPointReadOnly.x 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPointReadOnly.y 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMPointReadOnly.z 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRect 📋	Firefox	2/4/2014	Chrome	9/5/2017	1309
api.DOMRect.DOMRect 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRect.x 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRect.y 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRectList 📋	Firefox	2/4/2014	Chrome	9/5/2017	1309
api.DOMRectReadOnly 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRectReadOnly.x 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMRectReadOnly.y 📋	Firefox	7/22/2014	Chrome	9/5/2017	1141
api.DOMTokenList.replace 📋	Firefox	9/20/2016	Chrome	9/5/2017	350
api.Element.getAttributeNames 📋	Firefox	3/8/2016	Chrome	9/5/2017	546
api.Element.scroll 📋	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scroll.options_left_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scroll.options_top_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollBy 📋	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollBy.options_left_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollBy.options_top_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollTo 📋	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollTo.options_left_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924
api.Element.scrollTo.options_top_parameter	Firefox	2/24/2015	Chrome	9/5/2017	924

2017/8

API	First Browser	Date	Last Browser	Date	Days
api.CSSStyleSheet.insertRule.index_parameter_optional	Safari	6/23/2003	Firefox	8/8/2017	5160
api.DOMTokenList.remove_duplicates	Safari	9/20/2016	Firefox	8/8/2017	322
api.Geolocation.secure_context_required	Chrome	4/13/2016	Firefox	8/8/2017	482
api.GeolocationCoordinates.secure_context_required	Chrome	12/1/2015	Firefox	8/8/2017	616
api.GeolocationPosition.secure_context_required	Chrome	12/1/2015	Firefox	8/8/2017	616
api.GeolocationPositionError.secure_context_required	Chrome	12/1/2015	Firefox	8/8/2017	616
api.Navigator.geolocation.secure_context_required	Chrome	12/1/2015	Firefox	8/8/2017	616
api.SVGRadialGradientElement.fr 📋	Chrome	1/10/2013	Firefox	8/8/2017	1671
api.Selection.collapse.node_parameter_nullable	Safari	4/15/2005	Firefox	8/8/2017	4498
api.Selection.collapse.offset_parameter_optional	Safari	4/15/2005	Firefox	8/8/2017	4498
api.Selection.containsNode.partialContainment_parameter_optional	Safari	3/18/2008	Firefox	8/8/2017	3430
api.Selection.empty 📋	Safari	4/15/2005	Firefox	8/8/2017	4498
api.Selection.extend.offset_parameter_optional	Safari	3/18/2008	Firefox	8/8/2017	3430
api.Selection.setPosition 📋	Safari	4/15/2005	Firefox	8/8/2017	4498
css.selectors.cue 📋	Chrome	3/26/2013	Firefox	8/8/2017	1596
css.types.gradient.linear-gradient.unitless_0_angle	Chrome	3/26/2013	Firefox	8/8/2017	1596
css.types.gradient.repeating-linear-gradient.unitless_0_angle	Chrome	3/26/2013	Firefox	8/8/2017	1596
javascript.builtins.Float32Array.Float32Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Float64Array.Float64Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Int16Array.Int16Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Int32Array.Int32Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Int8Array.Int8Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.String.toLocaleLowerCase.locales_parameter	Safari	9/20/2016	Firefox	8/8/2017	322
javascript.builtins.String.toLocaleUpperCase.locales_parameter	Safari	9/20/2016	Firefox	8/8/2017	322
javascript.builtins.TypedArray.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Uint16Array.Uint16Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Uint32Array.Uint32Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Uint8Array.Uint8Array.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray.constructor_without_parameters	Chrome	10/19/2010	Firefox	8/8/2017	2485

2017/7

API	First Browser	Date	Last Browser	Date	Days
api.Document.Document 📋	Firefox	4/2/2013	Chrome	7/25/2017	1575
api.InputEvent 📋	Firefox	7/22/2014	Chrome	7/25/2017	1099
api.InputEvent.InputEvent 📋	Firefox	7/22/2014	Chrome	7/25/2017	1099
api.Window.message_event 📋	Safari	6/8/2009	Chrome	7/25/2017	2969
css.selectors.focus-within 📋	Firefox	3/7/2017	Chrome	7/25/2017	140

2017/6

API	First Browser	Date	Last Browser	Date	Days
api.ProgressEvent.worker_support	Chrome	12/1/2015	Firefox	6/13/2017	560
api.URL.toString 📋	Chrome	5/15/2012	Firefox	6/13/2017	1855
css.properties.appearance.none 📋	Safari	10/26/2007	Firefox	6/13/2017	3518
css.properties.clip-path.basic_shape 📋	Chrome	11/6/2012	Firefox	6/13/2017	1680
css.types.basic-shape 📋	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.types.basic-shape.animation	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.types.basic-shape.circle 📋	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.types.basic-shape.ellipse 📋	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.types.basic-shape.inset 📋	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.types.basic-shape.polygon 📋	Chrome	8/26/2014	Firefox	6/13/2017	1022
css.properties.place-content 📋	Safari	9/30/2015	Chrome	6/5/2017	614
css.properties.place-content.flex_context	Safari	9/30/2015	Chrome	6/5/2017	614
html.elements.meta.http-equiv.content-language 📋	Firefox	11/9/2004	Chrome	6/5/2017	4591
html.elements.meta.http-equiv.content-security-policy 📋	Firefox	11/9/2004	Chrome	6/5/2017	4591
html.elements.meta.http-equiv.content-type 📋	Firefox	11/9/2004	Chrome	6/5/2017	4591

2017/4

API	First Browser	Date	Last Browser	Date	Days
api.AudioParam.maxValue 📋	Safari	7/25/2012	Firefox	4/19/2017	1729
api.AudioParam.minValue 📋	Safari	7/25/2012	Firefox	4/19/2017	1729
api.CSSNamespaceRule 📋	Chrome	12/1/2015	Firefox	4/19/2017	505
api.ClipboardEvent.ClipboardEvent 📋	Firefox	6/25/2013	Chrome	4/19/2017	1394
api.CompositionEvent.CompositionEvent 📋	Chrome	3/26/2013	Firefox	4/19/2017	1485
api.Event.cancelBubble 📋	Safari	6/23/2003	Firefox	4/19/2017	5049
api.HTMLMediaElement.play.returns_promise	Chrome	4/13/2016	Firefox	4/19/2017	371
api.IDBCursor.continuePrimaryKey 📋	Firefox	1/31/2012	Chrome	4/19/2017	1905
api.IDBCursor.key.binary_keys	Firefox	1/24/2017	Chrome	4/19/2017	85
api.MouseEvent.x 📋	Safari	3/18/2008	Firefox	4/19/2017	3319
api.MouseEvent.y 📋	Safari	3/18/2008	Firefox	4/19/2017	3319
api.Node.getRootNode 📋	Chrome	10/12/2016	Firefox	4/19/2017	189
api.Selection.setBaseAndExtent 📋	Safari	4/15/2005	Firefox	4/19/2017	4387
api.WEBGL_debug_renderer_info 📋	Chrome	2/20/2014	Firefox	4/19/2017	1154
css.properties.mask-image.multiple_mask_images	Chrome	12/11/2008	Firefox	4/19/2017	3051
css.properties.mask-image.svg_masks	Safari	6/8/2009	Firefox	4/19/2017	2872
javascript.builtins.Function.name.inferred_names	Chrome	5/25/2016	Firefox	4/19/2017	329
javascript.builtins.Intl.DateTimeFormat.resolvedOptions.computed_timezone	Chrome	5/20/2014	Firefox	4/19/2017	1065
javascript.functions.arrow_functions.trailing_comma	Safari	9/20/2016	Chrome	4/19/2017	211
javascript.grammar.trailing_commas.trailing_commas_in_functions	Safari	9/20/2016	Chrome	4/19/2017	211
javascript.operators.function.trailing_comma	Safari	9/20/2016	Chrome	4/19/2017	211
javascript.operators.generator_function.trailing_comma	Safari	9/20/2016	Chrome	4/19/2017	211
javascript.statements.for_of.closing_iterators	Safari	10/22/2013	Firefox	4/19/2017	1275
javascript.statements.function.trailing_comma_in_parameters	Safari	9/20/2016	Chrome	4/19/2017	211
javascript.statements.generator_function.trailing_comma_in_parameters	Safari	9/20/2016	Chrome	4/19/2017	211

2017/3

API	First Browser	Date	Last Browser	Date	Days
api.CSS.escape_static 📋	Firefox	7/22/2014	Safari	3/27/2017	979
api.CanvasRenderingContext2D.resetTransform 📋	Chrome	11/12/2013	Safari	3/27/2017	1231
api.ClipboardEvent 📋	Firefox	6/25/2013	Safari	3/27/2017	1371
api.ClipboardEvent.clipboardData 📋	Firefox	6/25/2013	Safari	3/27/2017	1371
api.DOMException.DOMException 📋	Firefox	3/31/2015	Safari	3/27/2017	727
api.DOMTokenList.@@iterator	Firefox	2/24/2015	Safari	3/27/2017	762
api.DOMTokenList.entries	Chrome	4/14/2015	Safari	3/27/2017	713
api.DOMTokenList.forEach	Chrome	4/14/2015	Safari	3/27/2017	713
api.DOMTokenList.keys	Chrome	4/14/2015	Safari	3/27/2017	713
api.DOMTokenList.supports 📋	Chrome	3/2/2016	Safari	3/27/2017	390
api.DOMTokenList.values	Chrome	4/14/2015	Safari	3/27/2017	713
api.Document.dir 📋	Firefox	11/9/2004	Safari	3/27/2017	4521
api.Document.exitPointerLock 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.Document.pointerLockElement 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.Document.pointerlockchange_event 📋	Chrome	7/16/2014	Safari	3/27/2017	985
api.Document.pointerlockerror_event 📋	Chrome	7/16/2014	Safari	3/27/2017	985
api.Document.rootElement 📋	Chrome	4/8/2014	Safari	3/27/2017	1084
api.Element.requestPointerLock 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.File.File 📋	Firefox	3/18/2014	Safari	3/27/2017	1105
api.Gamepad 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.axes 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.buttons 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.connected 📋	Chrome	2/21/2013	Safari	3/27/2017	1495
api.Gamepad.id 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.index 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.mapping 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.Gamepad.timestamp 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.GamepadButton 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.GamepadButton.pressed 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.GamepadButton.value 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.GamepadEvent 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.GamepadEvent.GamepadEvent 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.GamepadEvent.gamepad 📋	Chrome	7/31/2012	Safari	3/27/2017	1700
api.HTMLAnchorElement.download 📋	Chrome	10/25/2011	Safari	3/27/2017	1980
api.HTMLAreaElement.download 📋	Firefox	4/2/2013	Safari	3/27/2017	1455
api.HTMLAreaElement.toString 📋	Firefox	6/25/2013	Safari	3/27/2017	1371
api.HTMLButtonElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLCanvasElement.getContext.webgl_context.options_alpha_parameter 📋	Chrome	1/14/2014	Safari	3/27/2017	1168
api.HTMLCanvasElement.getContext.webgl_context.options_failIfMajorPerformanceCaveat_parameter 📋	Chrome	2/20/2014	Safari	3/27/2017	1131
api.HTMLElement.toggle_event 📋	Chrome	7/16/2014	Safari	3/27/2017	985
api.HTMLElement.toggle_event.details_elements 📋	Chrome	7/16/2014	Safari	3/27/2017	985
api.HTMLFieldSetElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLFormElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLHRElement.color 📋	Firefox	11/9/2004	Safari	3/27/2017	4521
api.HTMLIFrameElement.allowFullscreen 📋	Firefox	6/25/2013	Safari	3/27/2017	1371
api.HTMLInputElement.minLength 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLInputElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLObjectElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLOutputElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLSelectElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLSourceElement.sizes 📋	Chrome	10/7/2014	Safari	3/27/2017	902
api.HTMLSourceElement.srcset 📋	Chrome	10/7/2014	Safari	3/27/2017	902
api.HTMLTextAreaElement.minLength 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.HTMLTextAreaElement.reportValidity 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Headers 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.@@iterator	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.Headers 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.append 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.delete 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.entries	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.forEach	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.get 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.has 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.keys	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.set 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Headers.values	Chrome	4/14/2015	Safari	3/27/2017	713
api.IDBDatabase.close_event 📋	Chrome	10/1/2013	Safari	3/27/2017	1273
api.IDBIndex.getAll 📋	Chrome	1/20/2016	Safari	3/27/2017	432
api.IDBIndex.getAllKeys 📋	Chrome	1/20/2016	Safari	3/27/2017	432
api.IDBIndex.name.renaming_through_name_setter	Firefox	9/20/2016	Safari	3/27/2017	188
api.IDBKeyRange.includes 📋	Firefox	6/7/2016	Safari	3/27/2017	293
api.IDBObjectStore.getAll 📋	Chrome	1/20/2016	Safari	3/27/2017	432
api.IDBObjectStore.getAllKeys 📋	Chrome	1/20/2016	Safari	3/27/2017	432
api.IDBObjectStore.getKey 📋	Chrome	1/20/2016	Safari	3/27/2017	432
api.IDBObjectStore.name.renaming_through_name_setter	Firefox	9/20/2016	Safari	3/27/2017	188
api.IDBObjectStore.openKeyCursor 📋	Chrome	11/6/2012	Safari	3/27/2017	1602
api.IDBTransaction.objectStoreNames 📋	Firefox	1/31/2012	Safari	3/27/2017	1882
api.KeyboardEvent.code 📋	Firefox	5/12/2015	Safari	3/27/2017	685
api.KeyboardEvent.getModifierState 📋	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_alt	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_altgraph	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_capslock	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_control	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_meta	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.getModifierState.key_parameter_shift	Firefox	8/28/2012	Safari	3/27/2017	1672
api.KeyboardEvent.isComposing 📋	Firefox	7/22/2014	Safari	3/27/2017	979
api.KeyboardEvent.key 📋	Firefox	8/6/2013	Safari	3/27/2017	1329
api.KeyboardEvent.key.dead_key	Firefox	3/31/2015	Safari	3/27/2017	727
api.KeyboardEvent.key.non_printable_keys	Firefox	8/6/2013	Safari	3/27/2017	1329
api.KeyboardEvent.key.printable_key	Firefox	4/29/2014	Safari	3/27/2017	1063
api.KeyboardEvent.repeat 📋	Chrome	1/14/2014	Safari	3/27/2017	1168
api.MediaSource.sourceended_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.MediaSource.sourceopen_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.Navigator.getGamepads 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.Navigator.languages 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.PerformanceTiming.toJSON 📋	Firefox	10/29/2013	Safari	3/27/2017	1245
api.Request 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.Request 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.Request.init_referrer_parameter 📋	Chrome	12/1/2015	Safari	3/27/2017	482
api.Request.arrayBuffer 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.blob 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.bodyUsed 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.clone 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.credentials 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.headers 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.integrity 📋	Chrome	10/13/2015	Safari	3/27/2017	531
api.Request.json 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.method 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.mode 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.mode.navigate_mode	Chrome	3/2/2016	Safari	3/27/2017	390
api.Request.redirect 📋	Chrome	10/13/2015	Safari	3/27/2017	531
api.Request.referrer 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Request.referrerPolicy 📋	Firefox	6/7/2016	Safari	3/27/2017	293
api.Request.text 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Request.url 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.Response 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.Response.accept_readablestream	Firefox	7/2/2015	Safari	3/27/2017	634
api.Response.arrayBuffer 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.blob 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.bodyUsed 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.clone 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.error_static 📋	Chrome	5/19/2015	Safari	3/27/2017	678
api.Response.headers 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.json 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.ok 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.redirect_static 📋	Firefox	7/2/2015	Safari	3/27/2017	634
api.Response.redirected 📋	Firefox	9/20/2016	Safari	3/27/2017	188
api.Response.status 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.statusText 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.text 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.Response.type 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.Response.url 📋	Chrome	1/21/2015	Safari	3/27/2017	796
api.SourceBuffer.abort_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBuffer.error_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBuffer.update_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBuffer.updateend_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBuffer.updatestart_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBufferList.addsourcebuffer_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.SourceBufferList.removesourcebuffer_event 📋	Firefox	11/3/2015	Safari	3/27/2017	510
api.TextDecoder 📋	Firefox	2/19/2013	Safari	3/27/2017	1497
api.TextDecoder.TextDecoder 📋	Firefox	2/19/2013	Safari	3/27/2017	1497
api.TextDecoder.decode 📋	Firefox	2/19/2013	Safari	3/27/2017	1497
api.TextDecoder.encoding 📋	Firefox	2/19/2013	Safari	3/27/2017	1497
api.TextDecoder.fatal 📋	Chrome	10/7/2014	Safari	3/27/2017	902
api.TextDecoder.worker_support	Firefox	4/2/2013	Safari	3/27/2017	1455
api.TextEncoder 📋	Firefox	1/8/2013	Safari	3/27/2017	1539
api.TextEncoder.TextEncoder 📋	Firefox	1/8/2013	Safari	3/27/2017	1539
api.TextEncoder.encode 📋	Firefox	1/8/2013	Safari	3/27/2017	1539
api.TextEncoder.encoding 📋	Firefox	1/8/2013	Safari	3/27/2017	1539
api.TextEncoder.worker_support	Firefox	4/2/2013	Safari	3/27/2017	1455
api.URL.searchParams 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.@@iterator 📋	Firefox	1/26/2016	Safari	3/27/2017	426
api.URLSearchParams.URLSearchParams 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.URLSearchParams.USVString	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.append 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.entries 📋	Firefox	1/26/2016	Safari	3/27/2017	426
api.URLSearchParams.forEach 📋	Firefox	1/26/2016	Safari	3/27/2017	426
api.URLSearchParams.get 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.getAll 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.has 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.keys 📋	Firefox	1/26/2016	Safari	3/27/2017	426
api.URLSearchParams.set 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.toString 📋	Firefox	4/29/2014	Safari	3/27/2017	1063
api.URLSearchParams.values 📋	Firefox	1/26/2016	Safari	3/27/2017	426
api.Window.languagechange_event 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.Window.scroll.options_left_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.Window.scroll.options_top_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.Window.scrollBy.options_left_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.Window.scrollBy.options_top_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.Window.scrollTo.options_left_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.Window.scrollTo.options_top_parameter	Firefox	2/24/2015	Safari	3/27/2017	762
api.WorkerNavigator.languages 📋	Chrome	8/26/2014	Safari	3/27/2017	944
api.crypto.worker_support	Chrome	8/26/2014	Safari	3/27/2017	944
api.fetch 📋	Chrome	4/14/2015	Safari	3/27/2017	713
api.fetch.blob_data_support	Firefox	7/2/2015	Safari	3/27/2017	634
css.at-rules.keyframes.ignore_important_declarations	Firefox	2/19/2013	Safari	3/27/2017	1497
css.properties.align-content.grid_context 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.align-items.grid_context 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.align-self.grid_context 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.display.grid	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.display.inline-grid	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.gap 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-area 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-auto-flow 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-auto-flow.column 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-auto-flow.dense 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-auto-flow.row 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-column 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-column-end 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-column-start 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-row 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-row-end 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-row-start 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template.none 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-areas 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-areas.none 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.auto 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.fit-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.max-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.min-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.minmax 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-columns.none 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.auto 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.fit-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.max-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.min-content 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.minmax 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.grid-template-rows.none 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.justify-content.grid_context 📋	Firefox	3/7/2017	Safari	3/27/2017	20
css.properties.justify-items.grid_context 📋	Firefox	3/8/2016	Safari	3/27/2017	384
css.properties.justify-self 📋	Firefox	3/8/2016	Safari	3/27/2017	384
css.properties.justify-self.grid_context 📋	Firefox	3/8/2016	Safari	3/27/2017	384
css.properties.row-gap 📋	Chrome	12/1/2015	Safari	3/27/2017	482
css.properties.writing-mode 📋	Firefox	9/22/2015	Safari	3/27/2017	552
css.properties.writing-mode.lr	Firefox	12/15/2015	Safari	3/27/2017	468
css.properties.writing-mode.lr-tb	Firefox	12/15/2015	Safari	3/27/2017	468
css.properties.writing-mode.rl	Firefox	12/15/2015	Safari	3/27/2017	468
css.properties.writing-mode.rl-tb	Firefox	12/15/2015	Safari	3/27/2017	468
css.properties.writing-mode.tb	Firefox	12/15/2015	Safari	3/27/2017	468
css.properties.writing-mode.tb-rl	Firefox	12/15/2015	Safari	3/27/2017	468
css.selectors.placeholder 📋	Firefox	1/24/2017	Safari	3/27/2017	62
css.types.flex 📋	Chrome	8/20/2013	Safari	3/27/2017	1315
css.types.number.scientific_notation	Firefox	4/29/2014	Safari	3/27/2017	1063
html.elements.a.download 📋	Chrome	9/16/2011	Safari	3/27/2017	2019
html.elements.a.rel.noopener 📋	Chrome	3/2/2016	Safari	3/27/2017	390
html.elements.area.download 📋	Firefox	4/2/2013	Safari	3/27/2017	1455
html.elements.area.rel.noopener 📋	Chrome	3/2/2016	Safari	3/27/2017	390
html.elements.form.novalidate 📋	Chrome	3/8/2011	Safari	3/27/2017	2211
html.elements.hr.color	Firefox	11/9/2004	Safari	3/27/2017	4521
html.elements.iframe.allowfullscreen 📋	Firefox	1/8/2013	Safari	3/27/2017	1539
html.elements.iframe.sandbox.allow-pointer-lock 📋	Chrome	11/6/2012	Safari	3/27/2017	1602
html.elements.input.minlength 📋	Chrome	1/21/2015	Safari	3/27/2017	796
html.elements.textarea.minlength 📋	Chrome	1/21/2015	Safari	3/27/2017	796
javascript.builtins.AsyncFunction 📋	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.builtins.AsyncFunction.AsyncFunction 📋	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.builtins.Intl.getCanonicalLocales 📋	Firefox	8/2/2016	Safari	3/27/2017	237
javascript.builtins.Object.entries 📋	Firefox	6/7/2016	Safari	3/27/2017	293
javascript.builtins.Object.values 📋	Firefox	6/7/2016	Safari	3/27/2017	293
javascript.functions.method_definitions.async_methods	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.operators.async_function 📋	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.operators.await 📋	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.operators.exponentiation 📋	Chrome	7/20/2016	Safari	3/27/2017	250
javascript.operators.exponentiation_assignment 📋	Chrome	7/20/2016	Safari	3/27/2017	250
javascript.statements.async_function 📋	Chrome	12/1/2016	Safari	3/27/2017	116
javascript.statements.class 📋	Chrome	3/2/2016	Safari	3/27/2017	390
css.properties.align-content.flex_context.baseline	Safari	9/30/2015	Chrome	3/9/2017	526
css.properties.align-content.flex_context.stretch	Safari	9/30/2015	Chrome	3/9/2017	526
css.properties.align-self.flex_context.stretch	Safari	9/30/2015	Chrome	3/9/2017	526
css.properties.justify-content.flex_context.stretch	Safari	9/30/2015	Chrome	3/9/2017	526
css.properties.text-decoration.includes_color-and-style	Firefox	8/16/2011	Chrome	3/9/2017	2032
css.properties.text-decoration-line.blink 📋	Firefox	12/10/2013	Chrome	3/9/2017	1185
css.properties.text-decoration-line.line-through 📋	Firefox	8/16/2011	Chrome	3/9/2017	2032
css.properties.text-decoration-line.none 📋	Firefox	8/16/2011	Chrome	3/9/2017	2032
css.properties.text-decoration-line.overline 📋	Firefox	8/16/2011	Chrome	3/9/2017	2032
css.properties.text-decoration-line.underline 📋	Firefox	8/16/2011	Chrome	3/9/2017	2032
css.properties.text-decoration-style.wavy	Firefox	8/16/2011	Chrome	3/9/2017	2032
javascript.builtins.String.padEnd 📋	Firefox	8/2/2016	Chrome	3/9/2017	219
javascript.builtins.String.padStart 📋	Firefox	8/2/2016	Chrome	3/9/2017	219
api.Document.selectionchange_event 📋	Chrome	4/27/2011	Firefox	3/7/2017	2141
api.Element.focusin_event 📋	Chrome	12/11/2008	Firefox	3/7/2017	3008
api.Element.focusout_event 📋	Chrome	12/11/2008	Firefox	3/7/2017	3008
api.Event.composed 📋	Chrome	8/31/2016	Firefox	3/7/2017	188
api.Node.selectstart_event 📋	Safari	4/15/2005	Firefox	3/7/2017	4344
css.properties.clip-path.svg_elements	Chrome	11/6/2012	Firefox	3/7/2017	1582
css.properties.column-count 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.column-fill 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.column-gap.multicol_context 📋	Chrome	4/13/2016	Firefox	3/7/2017	328
css.properties.column-rule 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.column-rule-color 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.column-rule-style 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.column-rule-width 📋	Safari	9/30/2015	Firefox	3/7/2017	524
css.properties.columns 📋	Safari	9/30/2015	Firefox	3/7/2017	524
javascript.builtins.Array.toLocaleString.locales_parameter	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.Array.toLocaleString.options_parameter	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.Date.toLocaleDateString.iana_time_zone_names	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.Date.toLocaleString.iana_time_zone_names	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.Date.toLocaleTimeString.iana_time_zone_names	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.Float32Array.Float32Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Float64Array.Float64Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Int16Array.Int16Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Int32Array.Int32Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Int8Array.Int8Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter.iana_time_zones	Chrome	1/10/2013	Firefox	3/7/2017	1517
javascript.builtins.TypedArray.iterable_in_constructor	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Uint16Array.Uint16Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Uint32Array.Uint32Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Uint8Array.Uint8Array.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray.iterable_allowed	Chrome	11/18/2014	Firefox	3/7/2017	840
javascript.functions.rest_parameters.destructuring	Chrome	3/2/2016	Firefox	3/7/2017	370

2017/1

API	First Browser	Date	Last Browser	Date	Days
css.properties.border-image-repeat.space 📋	Safari	3/21/2016	Chrome	1/25/2017	310
api.CanvasRenderingContext2D.imageSmoothingEnabled 📋	Chrome	10/1/2013	Firefox	1/24/2017	1211
api.DOMTokenList.trim_whitespace	Chrome	1/20/2016	Firefox	1/24/2017	370
api.Element.transitionend_event 📋	Chrome	3/26/2013	Firefox	1/24/2017	1400
api.SVGElement.blur 📋	Safari	10/26/2007	Firefox	1/24/2017	3378
api.SVGElement.dataset 📋	Safari	7/20/2011	Firefox	1/24/2017	2015
api.SVGElement.focus 📋	Safari	10/26/2007	Firefox	1/24/2017	3378
api.SVGElement.tabIndex 📋	Chrome	7/16/2014	Firefox	1/24/2017	923
api.ValidityState.tooShort 📋	Chrome	1/21/2015	Firefox	1/24/2017	734
css.selectors.indeterminate.radio	Chrome	11/18/2014	Firefox	1/24/2017	798
css.selectors.placeholder-shown 📋	Safari	9/30/2015	Firefox	1/24/2017	482
javascript.builtins.Symbol.toStringTag 📋	Chrome	3/2/2016	Firefox	1/24/2017	328
javascript.builtins.TypedArray.toLocaleString 📋	Chrome	10/19/2010	Firefox	1/24/2017	2289
javascript.builtins.TypedArray.toString 📋	Chrome	10/19/2010	Firefox	1/24/2017	2289

2016/12

API	First Browser	Date	Last Browser	Date	Days
api.EventTarget.addEventListener.options_parameter.options_once_parameter 📋	Safari	9/20/2016	Chrome	12/1/2016	72
css.properties.clip-path 📋	Firefox	6/30/2009	Chrome	12/1/2016	2711
css.properties.hyphens.language_english	Safari	7/20/2011	Chrome	12/1/2016	1961

2016/11

API	First Browser	Date	Last Browser	Date	Days
api.DataTransferItem 📋	Chrome	4/27/2011	Firefox	11/15/2016	2029
api.DataTransferItem.getAsFile 📋	Chrome	4/27/2011	Firefox	11/15/2016	2029
api.DataTransferItem.getAsString 📋	Chrome	4/27/2011	Firefox	11/15/2016	2029
api.DataTransferItem.kind 📋	Chrome	4/27/2011	Firefox	11/15/2016	2029
api.DataTransferItem.type 📋	Chrome	4/27/2011	Firefox	11/15/2016	2029
api.DataTransferItemList 📋	Chrome	8/2/2011	Firefox	11/15/2016	1932
api.DataTransferItemList.add 📋	Chrome	8/2/2011	Firefox	11/15/2016	1932
api.DataTransferItemList.clear 📋	Chrome	8/2/2011	Firefox	11/15/2016	1932
api.DataTransferItemList.length 📋	Chrome	8/2/2011	Firefox	11/15/2016	1932
api.DataTransferItemList.remove 📋	Safari	7/25/2012	Firefox	11/15/2016	1574
api.NodeList.entries	Chrome	5/25/2016	Firefox	11/15/2016	174
api.NodeList.forEach 📋	Chrome	5/25/2016	Firefox	11/15/2016	174
api.NodeList.keys	Chrome	5/25/2016	Firefox	11/15/2016	174
api.NodeList.values	Chrome	5/25/2016	Firefox	11/15/2016	174
css.properties.column-width 📋	Safari	9/30/2015	Firefox	11/15/2016	412
html.elements.track.src 📋	Safari	7/25/2012	Firefox	11/15/2016	1574
javascript.builtins.Function.@@hasInstance 📋	Chrome	4/13/2016	Firefox	11/15/2016	216
javascript.builtins.Object.getOwnPropertyDescriptors 📋	Safari	9/20/2016	Firefox	11/15/2016	56
javascript.builtins.Symbol.hasInstance 📋	Chrome	4/13/2016	Firefox	11/15/2016	216

2016/10

API	First Browser	Date	Last Browser	Date	Days
api.CharacterData.after 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.CharacterData.before 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.CharacterData.replaceWith 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Document.append 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Document.prepend 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.DocumentFragment.append 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.DocumentFragment.prepend 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.DocumentType.after 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.DocumentType.before 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.DocumentType.replaceWith 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Element.after 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Element.append 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Element.before 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Element.prepend 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.Element.replaceWith 📋	Firefox	9/20/2016	Chrome	10/12/2016	22
api.HTMLAreaElement.rel 📋	Firefox	6/10/2014	Chrome	10/12/2016	855

2016/9

API	First Browser	Date	Last Browser	Date	Days
api.DOMTokenList.value 📋	Chrome	4/13/2016	Safari	9/20/2016	160
api.Document.execCommand.copy	Chrome	4/14/2015	Safari	9/20/2016	525
api.Document.execCommand.cut	Chrome	4/14/2015	Safari	9/20/2016	525
api.Document.fonts 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.ErrorEvent.error 📋	Chrome	10/1/2013	Safari	9/20/2016	1085
api.Event.isTrusted 📋	Firefox	11/29/2005	Safari	9/20/2016	3948
api.EventTarget.addEventListener.options_parameter	Chrome	3/2/2016	Safari	9/20/2016	202
api.EventTarget.addEventListener.options_parameter.options_capture_parameter 📋	Chrome	7/20/2016	Safari	9/20/2016	62
api.EventTarget.addEventListener.options_parameter.options_passive_parameter 📋	Chrome	5/25/2016	Safari	9/20/2016	118
api.EventTarget.removeEventListener.options_parameter	Chrome	3/2/2016	Safari	9/20/2016	202
api.File.lastModified 📋	Chrome	8/2/2011	Safari	9/20/2016	1876
api.FontFace 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.FontFace 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.family 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.featureSettings 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.load 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.loaded 📋	Chrome	8/26/2014	Safari	9/20/2016	756
api.FontFace.status 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.stretch 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.style 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.unicodeRange 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFace.weight 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.@@iterator 📋	Firefox	9/22/2015	Safari	9/20/2016	364
api.FontFaceSet.add 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.clear 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.delete 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.entries	Firefox	9/22/2015	Safari	9/20/2016	364
api.FontFaceSet.forEach	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.has	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.keys	Firefox	9/22/2015	Safari	9/20/2016	364
api.FontFaceSet.load 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.loading_event 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.loadingdone_event 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.loadingerror_event 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.ready 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.size	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.status 📋	Chrome	5/20/2014	Safari	9/20/2016	854
api.FontFaceSet.values	Firefox	9/22/2015	Safari	9/20/2016	364
api.HTMLAnchorElement.password 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.HTMLAnchorElement.username 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.HTMLAreaElement.origin 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.HTMLAreaElement.password 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.HTMLAreaElement.username 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.HTMLCanvasElement.webglcontextcreationerror_event 📋	Chrome	2/3/2011	Firefox	9/20/2016	2056
api.HTMLDetailsElement 📋	Chrome	3/8/2011	Firefox	9/20/2016	2023
api.HTMLDetailsElement.open 📋	Chrome	3/8/2011	Firefox	9/20/2016	2023
api.HTMLLinkElement.crossOrigin 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
api.HTMLMediaElement.crossOrigin 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.IDBCursor.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBCursorWithValue.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBDatabase.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBFactory.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBIndex.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBKeyRange.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBObjectStore.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBOpenDBRequest.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBRequest.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBTransaction.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.IDBVersionChangeEvent.IDBVersionChangeEvent 📋	Firefox	10/29/2013	Safari	9/20/2016	1057
api.IDBVersionChangeEvent.worker_support	Chrome	11/6/2012	Safari	9/20/2016	1414
api.Node.isConnected 📋	Chrome	5/25/2016	Safari	9/20/2016	118
api.NodeList.@@iterator 📋	Firefox	2/24/2015	Safari	9/20/2016	574
api.SpeechSynthesis 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.cancel 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.getVoices 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.pause 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.paused 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.pending 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.resume 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.speak 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesis.speaking 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisErrorEvent 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisErrorEvent.error 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisEvent 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisEvent.charIndex 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisEvent.elapsedTime 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisEvent.name 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.SpeechSynthesisUtterance 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.boundary_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.end_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.error_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.lang 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.mark_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.pause_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.pitch 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.rate 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.resume_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.start_event 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.text 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.voice 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisUtterance.volume 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice.default 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice.lang 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice.localService 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice.name 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.SpeechSynthesisVoice.voiceURI 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.URL.hostname 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.href 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.origin 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.URL.password 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.URL.pathname 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.port 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.protocol 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.search 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
api.URL.username 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
api.WebGLContextEvent 📋	Chrome	2/3/2011	Firefox	9/20/2016	2056
api.WebGLContextEvent.WebGLContextEvent 📋	Chrome	2/8/2012	Firefox	9/20/2016	1686
api.WebGLContextEvent.statusMessage 📋	Chrome	2/3/2011	Firefox	9/20/2016	2056
api.Window.speechSynthesis 📋	Safari	10/22/2013	Firefox	9/20/2016	1064
api.WorkerLocation.origin 📋	Firefox	4/29/2014	Safari	9/20/2016	875
api.WorkerNavigator.appCodeName 📋	Firefox	6/30/2009	Safari	9/20/2016	2639
api.WorkerNavigator.language 📋	Firefox	6/30/2009	Safari	9/20/2016	2639
api.WorkerNavigator.product 📋	Firefox	6/30/2009	Safari	9/20/2016	2639
api.XMLDocument 📋	Firefox	11/9/2004	Safari	9/20/2016	4333
api.atob.worker_support	Firefox	3/22/2011	Safari	9/20/2016	2009
api.btoa.worker_support	Firefox	3/22/2011	Safari	9/20/2016	2009
api.indexedDB.worker_support	Chrome	1/10/2013	Safari	9/20/2016	1349
css.at-rules.font-face.WOFF_2 📋	Chrome	7/16/2014	Safari	9/20/2016	797
css.at-rules.media.-webkit-transform-3d 📋	Chrome	5/21/2009	Firefox	9/20/2016	2679
css.properties.-webkit-mask-position-x	Safari	3/18/2008	Firefox	9/20/2016	3108
css.properties.-webkit-mask-position-y	Safari	3/18/2008	Firefox	9/20/2016	3108
css.properties.-webkit-text-fill-color 📋	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.-webkit-text-stroke 📋	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.-webkit-text-stroke-color 📋	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.-webkit-text-stroke-width 📋	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.background-position-x 📋	Safari	6/23/2003	Firefox	9/20/2016	4838
css.properties.background-position-y 📋	Safari	6/23/2003	Firefox	9/20/2016	4838
css.properties.background-repeat.round 📋	Chrome	10/1/2013	Firefox	9/20/2016	1085
css.properties.background-repeat.space 📋	Chrome	10/1/2013	Firefox	9/20/2016	1085
css.properties.box-align	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.box-direction	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.box-flex	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.box-ordinal-group	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.box-orient	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.box-pack	Safari	10/26/2007	Firefox	9/20/2016	3252
css.properties.object-fit 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-fit.contain 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-fit.cover 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-fit.fill 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-fit.none 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-fit.scale-down 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.object-position 📋	Chrome	1/14/2014	Safari	9/20/2016	980
css.properties.overflow-wrap 📋	Chrome	11/6/2012	Firefox	9/20/2016	1414
html.elements.details 📋	Chrome	6/7/2011	Firefox	9/20/2016	1932
html.elements.details.open	Chrome	6/7/2011	Firefox	9/20/2016	1932
html.elements.iframe.sandbox.allow-forms 📋	Chrome	5/25/2010	Firefox	9/20/2016	2310
html.elements.iframe.sandbox.allow-same-origin 📋	Chrome	5/25/2010	Firefox	9/20/2016	2310
html.elements.iframe.sandbox.allow-scripts 📋	Chrome	5/25/2010	Firefox	9/20/2016	2310
html.elements.iframe.sandbox.allow-top-navigation 📋	Safari	6/7/2010	Firefox	9/20/2016	2297
html.elements.link.crossorigin 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
html.elements.summary 📋	Chrome	6/7/2011	Firefox	9/20/2016	1932
javascript.builtins.Array.@@iterator 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.Array.@@species 📋	Chrome	5/25/2016	Safari	9/20/2016	118
javascript.builtins.Array.@@unscopables 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.ArrayBuffer.@@species 📋	Chrome	5/25/2016	Safari	9/20/2016	118
javascript.builtins.Date.@@toPrimitive 📋	Chrome	12/1/2015	Safari	9/20/2016	294
javascript.builtins.Date.toLocaleDateString.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Date.toLocaleDateString.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Date.toLocaleString.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Date.toLocaleString.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Date.toLocaleTimeString.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Date.toLocaleTimeString.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Function.length.configurable_true	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.Function.name.configurable_true	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.Generator 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.builtins.Generator.next 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.builtins.Generator.return 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.Generator.throw 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.builtins.GeneratorFunction 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.builtins.GeneratorFunction.GeneratorFunction 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.builtins.Intl 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator.options_ignorePunctuation_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator.options_localeMatcher_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator.options_numeric_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator.options_sensitivity_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.Collator.options_usage_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.compare 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.resolvedOptions 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.Collator.supportedLocalesOf 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZoneName_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.DateTimeFormat.options_parameter.options_timeZone_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.format 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.resolvedOptions 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.DateTimeFormat.supportedLocalesOf 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_currency_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_localeMatcher_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_maximumFractionDigits_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_maximumSignificantDigits_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumFractionDigits_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumIntegerDigits_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_minimumSignificantDigits_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_numberingSystem_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_style_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.NumberFormat.options_parameter.options_useGrouping_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.format 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.resolvedOptions 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Intl.NumberFormat.supportedLocalesOf 📋	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Iterator 📋	Firefox	11/20/2012	Safari	9/20/2016	1400
javascript.builtins.Iterator.@@iterator 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.Map.@@iterator 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.Map.@@species 📋	Firefox	9/22/2015	Safari	9/20/2016	364
javascript.builtins.Number.toLocaleString.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Number.toLocaleString.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.Promise.@@species 📋	Chrome	5/25/2016	Safari	9/20/2016	118
javascript.builtins.Proxy 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.Proxy 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.apply 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.construct 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.defineProperty 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.deleteProperty 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.get 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.getOwnPropertyDescriptor 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.getPrototypeOf 📋	Chrome	3/2/2016	Safari	9/20/2016	202
javascript.builtins.Proxy.handler.has 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.isExtensible 📋	Firefox	7/22/2014	Safari	9/20/2016	791
javascript.builtins.Proxy.handler.ownKeys 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.preventExtensions 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
javascript.builtins.Proxy.handler.set 📋	Firefox	1/8/2013	Safari	9/20/2016	1351
javascript.builtins.Proxy.handler.setPrototypeOf 📋	Chrome	3/2/2016	Safari	9/20/2016	202
javascript.builtins.Reflect 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.apply 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.construct 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.defineProperty 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.deleteProperty 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.get 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.getOwnPropertyDescriptor 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.getPrototypeOf 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.has 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.isExtensible 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.ownKeys 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.preventExtensions 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.set 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.Reflect.setPrototypeOf 📋	Firefox	11/3/2015	Safari	9/20/2016	322
javascript.builtins.RegExp.@@match 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.RegExp.@@replace 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.RegExp.@@search 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.RegExp.@@species 📋	Chrome	5/25/2016	Safari	9/20/2016	118
javascript.builtins.RegExp.@@split 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.RegExp.sticky 📋	Firefox	6/17/2008	Safari	9/20/2016	3017
javascript.builtins.RegExp.sticky.anchored_sticky_flag	Firefox	1/26/2016	Safari	9/20/2016	238
javascript.builtins.RegExp.sticky.prototype_accessor	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.RegExp.unicode 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.Set.@@species 📋	Firefox	9/22/2015	Safari	9/20/2016	364
javascript.builtins.String.localeCompare.locales_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.String.localeCompare.options_parameter	Chrome	1/10/2013	Safari	9/20/2016	1349
javascript.builtins.String.normalize 📋	Chrome	4/8/2014	Safari	9/20/2016	896
javascript.builtins.Symbol.@@toPrimitive 📋	Chrome	12/1/2015	Safari	9/20/2016	294
javascript.builtins.Symbol.isConcatSpreadable 📋	Chrome	1/20/2016	Safari	9/20/2016	244
javascript.builtins.Symbol.iterator 📋	Firefox	2/24/2015	Safari	9/20/2016	574
javascript.builtins.Symbol.match 📋	Firefox	8/11/2015	Safari	9/20/2016	406
javascript.builtins.Symbol.replace 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.Symbol.search 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.Symbol.species 📋	Firefox	9/22/2015	Safari	9/20/2016	364
javascript.builtins.Symbol.split 📋	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.builtins.Symbol.toPrimitive 📋	Chrome	12/1/2015	Safari	9/20/2016	294
javascript.builtins.TypedArray.@@iterator 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.TypedArray.@@species 📋	Chrome	5/25/2016	Safari	9/20/2016	118
javascript.builtins.TypedArray.copyWithin 📋	Firefox	12/1/2014	Safari	9/20/2016	659
javascript.builtins.TypedArray.entries 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.every 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.fill 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.filter 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.find 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.findIndex 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.forEach 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.from 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.includes 📋	Chrome	12/1/2015	Safari	9/20/2016	294
javascript.builtins.TypedArray.indexOf 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.join 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.keys 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.builtins.TypedArray.lastIndexOf 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.map 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.of 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.reduce 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.reduceRight 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.reverse 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.slice 📋	Firefox	5/12/2015	Safari	9/20/2016	497
javascript.builtins.TypedArray.some 📋	Firefox	3/31/2015	Safari	9/20/2016	539
javascript.builtins.TypedArray.sort 📋	Chrome	9/1/2015	Safari	9/20/2016	385
javascript.builtins.TypedArray.values 📋	Chrome	10/7/2014	Safari	9/20/2016	714
javascript.functions.arrow_functions 📋	Firefox	6/25/2013	Safari	9/20/2016	1183
javascript.functions.block_level_functions	Chrome	3/2/2016	Safari	9/20/2016	202
javascript.functions.default_parameters 📋	Firefox	8/28/2012	Safari	9/20/2016	1484
javascript.functions.default_parameters.destructured_parameter_with_default_value_assignment	Firefox	9/22/2015	Safari	9/20/2016	364
javascript.functions.default_parameters.parameters_without_defaults_after_default_parameters	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.functions.rest_parameters 📋	Firefox	8/28/2012	Safari	9/20/2016	1484
javascript.operators.destructuring.computed_property_names	Firefox	9/22/2015	Safari	9/20/2016	364
javascript.operators.generator_function 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.operators.yield 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.operators.yield_star 📋	Firefox	2/4/2014	Safari	9/20/2016	959
javascript.regular_expressions.character_escape.unicode	Chrome	4/13/2016	Safari	9/20/2016	160
javascript.statements.generator_function 📋	Firefox	12/10/2013	Safari	9/20/2016	1015
javascript.statements.generator_function.IteratorResult_object	Firefox	4/29/2014	Safari	9/20/2016	875
javascript.statements.generator_function.not_constructable_with_new	Firefox	12/15/2015	Safari	9/20/2016	280
javascript.statements.let 📋	Firefox	1/26/2016	Safari	9/20/2016	238

2016/8

API	First Browser	Date	Last Browser	Date	Days
css.properties.filter 📋	Firefox	1/13/2015	Chrome	8/31/2016	596
api.CSSKeyframeRule 📋	Chrome	11/12/2013	Firefox	8/2/2016	994
api.CSSKeyframesRule 📋	Chrome	11/12/2013	Firefox	8/2/2016	994
api.CanvasRenderingContext2D.ellipse 📋	Chrome	11/12/2013	Firefox	8/2/2016	994
api.Document.scrollingElement 📋	Chrome	7/21/2015	Firefox	8/2/2016	378
api.Element.insertAdjacentElement 📋	Safari	10/26/2007	Firefox	8/2/2016	3203
api.Element.insertAdjacentText 📋	Chrome	12/11/2008	Firefox	8/2/2016	2791
api.Node.isSameNode 📋	Safari	10/26/2007	Firefox	8/2/2016	3203
api.Path2D.ellipse 📋	Chrome	7/16/2014	Firefox	8/2/2016	748
css.types.calc.number_values	Safari	7/25/2012	Firefox	8/2/2016	1469
javascript.builtins.Symbol.unscopables 📋	Chrome	10/7/2014	Firefox	8/2/2016	665

2016/7

API	First Browser	Date	Last Browser	Date	Days
api.HTMLAnchorElement.toString 📋	Safari	10/26/2007	Chrome	7/20/2016	3190
api.Location.toString 📋	Safari	6/23/2003	Chrome	7/20/2016	4776
css.properties.align-items.flex_context 📋	Firefox	4/2/2013	Chrome	7/20/2016	1205
css.properties.font-variant.css_fonts_shorthand	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant.none 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.all-petite-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.all-small-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.normal 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.petite-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.small-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.titling-caps 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-caps.unicase 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.diagonal-fractions 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.lining-nums 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.normal 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.oldstyle-nums 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.ordinal 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.proportional-nums 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.slashed-zero 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.stacked-fractions 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.font-variant-numeric.tabular-nums 📋	Firefox	12/1/2014	Chrome	7/20/2016	597
css.properties.justify-content.flex_context 📋	Firefox	4/2/2013	Chrome	7/20/2016	1205
css.properties.justify-items 📋	Firefox	4/2/2013	Chrome	7/20/2016	1205
css.properties.justify-items.flex_context 📋	Firefox	4/2/2013	Chrome	7/20/2016	1205
javascript.functions.arguments.@@iterator 📋	Safari	9/30/2015	Chrome	7/20/2016	294

2016/6

API	First Browser	Date	Last Browser	Date	Days
api.ANGLE_instanced_arrays 📋	Chrome	1/14/2014	Firefox	6/7/2016	875
api.ANGLE_instanced_arrays.drawArraysInstancedANGLE 📋	Chrome	10/1/2013	Firefox	6/7/2016	980
api.ANGLE_instanced_arrays.drawElementsInstancedANGLE 📋	Chrome	10/1/2013	Firefox	6/7/2016	980
api.ANGLE_instanced_arrays.vertexAttribDivisorANGLE 📋	Chrome	10/1/2013	Firefox	6/7/2016	980
api.EXT_blend_minmax 📋	Chrome	10/7/2014	Firefox	6/7/2016	609
api.EXT_frag_depth 📋	Chrome	10/7/2014	Firefox	6/7/2016	609
api.EXT_shader_texture_lod 📋	Chrome	10/7/2014	Firefox	6/7/2016	609
api.EXT_texture_filter_anisotropic 📋	Chrome	4/8/2014	Firefox	6/7/2016	791
css.selectors.attribute.case_insensitive_modifier	Safari	9/30/2015	Firefox	6/7/2016	251

2016/5

API	First Browser	Date	Last Browser	Date	Days
api.Window.beforeunload_event.generic_string_displayed	Firefox	1/26/2016	Chrome	5/25/2016	120

2016/4

API	First Browser	Date	Last Browser	Date	Days
api.FileReader.worker_support	Chrome	9/2/2010	Firefox	4/26/2016	2063
api.HTMLLinkElement.relList 📋	Firefox	6/10/2014	Chrome	4/13/2016	673
css.properties.column-fill.auto 📋	Firefox	11/20/2012	Chrome	4/13/2016	1240
css.properties.column-fill.balance 📋	Firefox	11/20/2012	Chrome	4/13/2016	1240

2016/3

API	First Browser	Date	Last Browser	Date	Days
api.CSSKeyframesRule.appendRule 📋	Firefox	5/14/2013	Safari	3/21/2016	1042
api.DOMParser.parseFromString.html	Firefox	4/24/2012	Safari	3/21/2016	1427
api.HTMLImageElement.currentSrc 📋	Chrome	10/7/2014	Safari	3/21/2016	531
api.HTMLImageElement.sizes 📋	Chrome	10/7/2014	Safari	3/21/2016	531
api.HTMLPictureElement 📋	Chrome	10/7/2014	Safari	3/21/2016	531
css.properties.all 📋	Firefox	2/4/2014	Safari	3/21/2016	776
css.properties.border-image-repeat.round 📋	Firefox	8/28/2012	Safari	3/21/2016	1301
css.properties.custom-property 📋	Firefox	7/22/2014	Safari	3/21/2016	608
css.properties.custom-property.var 📋	Firefox	7/22/2014	Safari	3/21/2016	608
css.properties.font-feature-settings 📋	Firefox	12/1/2014	Safari	3/21/2016	476
css.properties.font-feature-settings.normal 📋	Chrome	12/13/2011	Safari	3/21/2016	1560
css.properties.font-variant-ligatures 📋	Chrome	4/8/2014	Safari	3/21/2016	713
css.properties.will-change 📋	Chrome	7/16/2014	Safari	3/21/2016	614
css.properties.will-change.auto 📋	Chrome	7/16/2014	Safari	3/21/2016	614
css.properties.will-change.contents 📋	Chrome	7/16/2014	Safari	3/21/2016	614
css.properties.will-change.scroll-position 📋	Chrome	7/16/2014	Safari	3/21/2016	614
css.types.global_keywords.unset 📋	Firefox	2/4/2014	Safari	3/21/2016	776
html.elements.img.sizes 📋	Chrome	10/7/2014	Safari	3/21/2016	531
html.elements.picture 📋	Chrome	10/7/2014	Safari	3/21/2016	531
html.elements.source.sizes 📋	Chrome	10/7/2014	Safari	3/21/2016	531
html.elements.source.srcset 📋	Chrome	10/7/2014	Safari	3/21/2016	531
javascript.functions.get.computed_property_names	Firefox	12/1/2014	Safari	3/21/2016	476
javascript.functions.method_definitions.generator_methods_not_constructable	Chrome	4/14/2015	Safari	3/21/2016	342
javascript.functions.set.computed_property_names	Firefox	12/1/2014	Safari	3/21/2016	476
javascript.operators.destructuring.rest_in_arrays	Firefox	9/22/2015	Safari	3/21/2016	181
api.HTMLElement.innerText 📋	Safari	6/23/2003	Firefox	3/8/2016	4642
api.Window.storage_event 📋	Chrome	12/11/2008	Firefox	3/8/2016	2644
javascript.classes 📋	Safari	9/30/2015	Firefox	3/8/2016	160
javascript.classes.constructor 📋	Safari	9/30/2015	Firefox	3/8/2016	160
javascript.classes.extends 📋	Safari	9/30/2015	Firefox	3/8/2016	160
javascript.classes.static 📋	Safari	9/30/2015	Firefox	3/8/2016	160
javascript.operators.class 📋	Safari	10/22/2013	Firefox	3/8/2016	868
javascript.operators.super 📋	Safari	10/22/2013	Firefox	3/8/2016	868
javascript.builtins.RegExp.flags 📋	Firefox	3/31/2015	Chrome	3/2/2016	337
javascript.operators.destructuring 📋	Safari	10/16/2014	Chrome	3/2/2016	503

2016/1

API	First Browser	Date	Last Browser	Date	Days
api.Document.createAttribute 📋	Safari	6/23/2003	Firefox	1/26/2016	4600
css.properties.text-orientation.sideways 📋	Chrome	2/21/2013	Firefox	1/26/2016	1069
css.properties.writing-mode.horizontal-tb	Safari	9/30/2015	Chrome	1/20/2016	112
css.properties.writing-mode.vertical-lr	Safari	9/30/2015	Chrome	1/20/2016	112
css.properties.writing-mode.vertical-rl	Safari	9/30/2015	Chrome	1/20/2016	112
javascript.builtins.RegExp.global.prototype_accessor	Safari	4/15/2005	Chrome	1/20/2016	3932
javascript.builtins.RegExp.ignoreCase.prototype_accessor	Safari	4/15/2005	Chrome	1/20/2016	3932
javascript.builtins.RegExp.multiline.prototype_accessor	Safari	4/15/2005	Chrome	1/20/2016	3932
javascript.builtins.RegExp.source.prototype_accessor	Safari	4/15/2005	Chrome	1/20/2016	3932

2015/12

API	First Browser	Date	Last Browser	Date	Days
css.properties.transform-origin.svg_elements	Chrome	5/15/2012	Firefox	12/15/2015	1309
javascript.builtins.Array.includes 📋	Safari	9/30/2015	Firefox	12/15/2015	76
javascript.operators.object_initializer.computed_property_names	Safari	10/16/2014	Chrome	12/1/2015	411
javascript.operators.object_initializer.shorthand_method_names	Firefox	12/1/2014	Chrome	12/1/2015	365
javascript.operators.object_initializer.shorthand_property_names	Firefox	10/14/2014	Chrome	12/1/2015	413

2015/11

API	First Browser	Date	Last Browser	Date	Days
api.MediaSource 📋	Chrome	11/12/2013	Firefox	11/3/2015	721
api.MediaSource.MediaSource 📋	Chrome	11/12/2013	Firefox	11/3/2015	721
api.MediaSource.activeSourceBuffers 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.addSourceBuffer 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.duration 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.endOfStream 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.isTypeSupported_static 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.readyState 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.removeSourceBuffer 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.MediaSource.sourceBuffers 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer 📋	Chrome	11/12/2013	Firefox	11/3/2015	721
api.SourceBuffer.abort 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.appendBuffer 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.appendWindowEnd 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.appendWindowStart 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.buffered 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.mode 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.remove 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.timestampOffset 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBuffer.updating 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.SourceBufferList 📋	Chrome	11/12/2013	Firefox	11/3/2015	721
api.SourceBufferList.length 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.VideoPlaybackQuality 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.VideoPlaybackQuality.creationTime 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.VideoPlaybackQuality.droppedVideoFrames 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092
api.VideoPlaybackQuality.totalVideoFrames 📋	Chrome	11/6/2012	Firefox	11/3/2015	1092

2015/10

API	First Browser	Date	Last Browser	Date	Days
javascript.operators.spread 📋	Firefox	10/9/2012	Chrome	10/13/2015	1099
javascript.operators.spread.spread_in_arrays 📋	Firefox	10/9/2012	Chrome	10/13/2015	1099
javascript.operators.spread.spread_in_function_calls 📋	Firefox	2/4/2014	Chrome	10/13/2015	616

2015/9

API	First Browser	Date	Last Browser	Date	Days
api.AnimationEvent 📋	Firefox	6/21/2011	Safari	9/30/2015	1562
api.AnimationEvent.AnimationEvent 📋	Firefox	8/6/2013	Safari	9/30/2015	785
api.AnimationEvent.animationName 📋	Firefox	6/21/2011	Safari	9/30/2015	1562
api.AnimationEvent.elapsedTime 📋	Firefox	6/21/2011	Safari	9/30/2015	1562
api.AudioContext.close 📋	Chrome	4/14/2015	Safari	9/30/2015	169
api.AudioContext.resume 📋	Chrome	3/3/2015	Safari	9/30/2015	211
api.AudioContext.suspend 📋	Chrome	3/3/2015	Safari	9/30/2015	211
api.BaseAudioContext.state 📋	Chrome	3/3/2015	Safari	9/30/2015	211
api.BaseAudioContext.statechange_event 📋	Chrome	3/3/2015	Safari	9/30/2015	211
api.CSS 📋	Firefox	6/25/2013	Safari	9/30/2015	827
api.CSS.supports_static 📋	Firefox	6/25/2013	Safari	9/30/2015	827
api.CSSSupportsRule 📋	Firefox	6/25/2013	Safari	9/30/2015	827
api.CharacterData.nextElementSibling 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.CharacterData.previousElementSibling 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.Document.childElementCount 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.Document.children 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.Document.contentType 📋	Firefox	11/9/2004	Safari	9/30/2015	3977
api.Document.firstElementChild 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.Document.lastElementChild 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.DocumentFragment.childElementCount 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.DocumentFragment.children 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.DocumentFragment.firstElementChild 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.DocumentFragment.getElementById 📋	Firefox	3/18/2014	Safari	9/30/2015	561
api.DocumentFragment.lastElementChild 📋	Chrome	8/20/2013	Safari	9/30/2015	771
api.HTMLSelectElement.add.index_before_parameter	Firefox	11/8/2011	Safari	9/30/2015	1422
api.MouseEvent.movementX 📋	Chrome	8/26/2014	Safari	9/30/2015	400
api.MouseEvent.movementY 📋	Chrome	8/26/2014	Safari	9/30/2015	400
api.OfflineAudioContext.resume 📋	Chrome	3/3/2015	Safari	9/30/2015	211
api.WEBGL_draw_buffers 📋	Firefox	3/18/2014	Safari	9/30/2015	561
api.WEBGL_draw_buffers.drawBuffersWEBGL 📋	Firefox	3/18/2014	Safari	9/30/2015	561
css.at-rules.keyframes 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.at-rules.supports 📋	Firefox	6/25/2013	Safari	9/30/2015	827
css.properties.align-content 📋	Chrome	8/20/2013	Safari	9/30/2015	771
css.properties.align-content.flex_context 📋	Chrome	7/31/2012	Safari	9/30/2015	1156
css.properties.align-items 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.align-self 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.animation 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-delay 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-direction 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-duration 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-fill-mode 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-iteration-count 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-name 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-play-state 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.animation-timing-function 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.color-interpolation-filters.linearRGB 📋	Firefox	6/25/2013	Safari	9/30/2015	827
css.properties.color-interpolation-filters.sRGB 📋	Firefox	6/25/2013	Safari	9/30/2015	827
css.properties.counter-increment.list-item 📋	Firefox	11/9/2004	Safari	9/30/2015	3977
css.properties.counter-reset.list-item 📋	Firefox	11/9/2004	Safari	9/30/2015	3977
css.properties.cursor.zoom-in 📋	Firefox	9/17/2013	Safari	9/30/2015	743
css.properties.cursor.zoom-out 📋	Firefox	9/17/2013	Safari	9/30/2015	743
css.properties.display.flex	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.display.inline-flex	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.flex 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.flex-basis 📋	Firefox	6/25/2013	Safari	9/30/2015	827
css.properties.flex-basis.auto	Chrome	9/25/2012	Safari	9/30/2015	1100
css.properties.flex-direction 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.flex-flow 📋	Chrome	8/20/2013	Safari	9/30/2015	771
css.properties.flex-grow 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.flex-shrink 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.flex-wrap 📋	Chrome	8/20/2013	Safari	9/30/2015	771
css.properties.font-kerning 📋	Chrome	2/20/2014	Safari	9/30/2015	587
css.properties.justify-content 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.order 📋	Firefox	4/2/2013	Safari	9/30/2015	911
css.properties.perspective 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.perspective-origin 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.quotes 📋	Firefox	11/29/2005	Safari	9/30/2015	3592
css.properties.quotes.none 📋	Firefox	11/29/2005	Safari	9/30/2015	3592
css.properties.transform 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transform-origin 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transform-style 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transition 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transition-delay 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transition-duration 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transition-property 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.transition-timing-function 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
css.properties.word-break.keep-all 📋	Firefox	8/28/2012	Safari	9/30/2015	1128
css.selectors.invalid.form	Firefox	6/5/2012	Safari	9/30/2015	1212
css.selectors.valid.form	Firefox	6/5/2012	Safari	9/30/2015	1212
css.types.color.named-color.rebeccapurple	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Array.copyWithin 📋	Firefox	9/2/2014	Safari	9/30/2015	393
javascript.builtins.Array.from 📋	Firefox	9/2/2014	Safari	9/30/2015	393
javascript.builtins.Array.of 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.builtins.Map.Map.iterable_allowed	Firefox	6/5/2012	Safari	9/30/2015	1212
javascript.builtins.Map.Map.null_allowed	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Map.key_equality_for_zeros	Firefox	4/29/2014	Safari	9/30/2015	519
javascript.builtins.Math.sign 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.builtins.Number.EPSILON 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.builtins.Number.MAX_SAFE_INTEGER 📋	Chrome	4/8/2014	Safari	9/30/2015	540
javascript.builtins.Number.MIN_SAFE_INTEGER 📋	Chrome	4/8/2014	Safari	9/30/2015	540
javascript.builtins.Number.isFinite 📋	Chrome	5/15/2012	Safari	9/30/2015	1233
javascript.builtins.Number.isInteger 📋	Firefox	10/9/2012	Safari	9/30/2015	1086
javascript.builtins.Number.isNaN 📋	Firefox	8/28/2012	Safari	9/30/2015	1128
javascript.builtins.Number.isSafeInteger 📋	Chrome	4/8/2014	Safari	9/30/2015	540
javascript.builtins.Number.parseFloat 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.builtins.Number.parseInt 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.builtins.Object.assign 📋	Firefox	12/1/2014	Safari	9/30/2015	303
javascript.builtins.Object.getOwnPropertySymbols 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Object.is 📋	Chrome	5/15/2012	Safari	9/30/2015	1233
javascript.builtins.Object.preventExtensions.ES2015_behavior	Firefox	1/13/2015	Safari	9/30/2015	260
javascript.builtins.Object.setPrototypeOf 📋	Chrome	4/8/2014	Safari	9/30/2015	540
javascript.builtins.Set.@@iterator 📋	Firefox	2/24/2015	Safari	9/30/2015	218
javascript.builtins.Set.Set.iterable_allowed	Firefox	6/5/2012	Safari	9/30/2015	1212
javascript.builtins.Set.Set.null_allowed	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Set.key_equality_for_zeros	Firefox	4/29/2014	Safari	9/30/2015	519
javascript.builtins.String.@@iterator 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.String.codePointAt 📋	Firefox	4/29/2014	Safari	9/30/2015	519
javascript.builtins.String.endsWith 📋	Firefox	11/20/2012	Safari	9/30/2015	1044
javascript.builtins.String.fromCodePoint 📋	Firefox	4/29/2014	Safari	9/30/2015	519
javascript.builtins.String.includes 📋	Chrome	3/3/2015	Safari	9/30/2015	211
javascript.builtins.String.raw 📋	Firefox	12/1/2014	Safari	9/30/2015	303
javascript.builtins.String.repeat 📋	Firefox	9/17/2013	Safari	9/30/2015	743
javascript.builtins.String.startsWith 📋	Firefox	11/20/2012	Safari	9/30/2015	1044
javascript.builtins.Symbol 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Symbol.Symbol 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Symbol.for 📋	Chrome	1/21/2015	Safari	9/30/2015	252
javascript.builtins.Symbol.keyFor 📋	Chrome	1/21/2015	Safari	9/30/2015	252
javascript.builtins.Symbol.toString 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.Symbol.valueOf 📋	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.WeakMap.WeakMap.iterable_allowed	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.WeakSet 📋	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.builtins.WeakSet.WeakSet 📋	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.builtins.WeakSet.WeakSet.iterable_allowed	Chrome	10/7/2014	Safari	9/30/2015	358
javascript.builtins.WeakSet.WeakSet.null_allowed	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.builtins.WeakSet.add 📋	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.builtins.WeakSet.delete 📋	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.builtins.WeakSet.has 📋	Chrome	7/16/2014	Safari	9/30/2015	441
javascript.functions.method_definitions 📋	Chrome	11/18/2014	Safari	9/30/2015	316
javascript.grammar.binary_numeric_literals 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.grammar.octal_numeric_literals 📋	Firefox	10/29/2013	Safari	9/30/2015	701
javascript.grammar.shorthand_object_literals	Firefox	10/14/2014	Safari	9/30/2015	351
javascript.grammar.template_literals 📋	Firefox	12/1/2014	Safari	9/30/2015	303
javascript.grammar.unicode_point_escapes 📋	Chrome	7/21/2015	Safari	9/30/2015	71
api.MessageChannel 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessageChannel.MessageChannel 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessageChannel.port1 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessageChannel.port2 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort.close 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort.message_event 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort.postMessage 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort.start 📋	Chrome	5/21/2009	Firefox	9/22/2015	2315
api.MessagePort.worker_support	Chrome	1/25/2010	Firefox	9/22/2015	2066
api.CSSGroupingRule.cssRules 📋	Safari	10/26/2007	Chrome	9/1/2015	2867
api.CSSGroupingRule.deleteRule 📋	Safari	10/26/2007	Chrome	9/1/2015	2867
api.CSSGroupingRule.insertRule 📋	Safari	10/26/2007	Chrome	9/1/2015	2867
javascript.builtins.Array.fill 📋	Firefox	7/22/2014	Chrome	9/1/2015	406
javascript.builtins.Array.find 📋	Firefox	10/29/2013	Chrome	9/1/2015	672
javascript.builtins.Array.findIndex 📋	Firefox	10/29/2013	Chrome	9/1/2015	672

2015/8

API	First Browser	Date	Last Browser	Date	Days
javascript.builtins.String.unicode_code_point_escapes	Safari	6/23/2003	Firefox	8/11/2015	4432

2015/7

API	First Browser	Date	Last Browser	Date	Days
api.MouseEvent.offsetX 📋	Safari	6/23/2003	Firefox	7/2/2015	4392
api.MouseEvent.offsetY 📋	Safari	6/23/2003	Firefox	7/2/2015	4392
api.console.clear_static 📋	Chrome	2/21/2013	Firefox	7/2/2015	861
api.console.dirxml_static 📋	Chrome	5/21/2009	Firefox	7/2/2015	2233
api.console.timeStamp_static	Chrome	10/25/2011	Firefox	7/2/2015	1346

2015/5

API	First Browser	Date	Last Browser	Date	Days
api.HTMLImageElement.srcset 📋	Chrome	4/8/2014	Firefox	5/12/2015	399
html.elements.img.srcset 📋	Chrome	4/8/2014	Firefox	5/12/2015	399
html.elements.rb 📋	Chrome	5/25/2010	Firefox	5/12/2015	1813
html.elements.rp 📋	Chrome	5/25/2010	Firefox	5/12/2015	1813
html.elements.rt 📋	Chrome	5/25/2010	Firefox	5/12/2015	1813
html.elements.ruby 📋	Chrome	5/25/2010	Firefox	5/12/2015	1813
javascript.builtins.RegExp.source.empty_regex_string	Safari	6/7/2010	Firefox	5/12/2015	1800

2015/3

API	First Browser	Date	Last Browser	Date	Days
api.WebSocket.worker_support	Chrome	5/25/2010	Firefox	3/31/2015	1771
javascript.builtins.WeakMap.WeakMap.null_allowed	Chrome	7/16/2014	Firefox	3/31/2015	258
api.Element.closest 📋	Safari	7/25/2012	Chrome	3/3/2015	951
api.SubtleCrypto.digest 📋	Safari	10/22/2013	Chrome	3/3/2015	497
css.properties.isolation 📋	Safari	10/16/2014	Chrome	3/3/2015	138
css.properties.mix-blend-mode 📋	Firefox	9/2/2014	Chrome	3/3/2015	182

2015/2

API	First Browser	Date	Last Browser	Date	Days
css.at-rules.font-face.unicode-range 📋	Safari	3/18/2008	Firefox	2/24/2015	2534
css.properties.white-space.textarea_support	Safari	6/23/2003	Firefox	2/24/2015	4264
css.types.gradient.linear-gradient.interpolation_hints	Safari	10/22/2013	Firefox	2/24/2015	490
css.types.gradient.radial-gradient.interpolation_hints	Safari	10/22/2013	Firefox	2/24/2015	490
css.types.gradient.repeating-linear-gradient.interpolation_hints	Safari	10/22/2013	Firefox	2/24/2015	490
css.types.gradient.repeating-radial-gradient.interpolation_hints	Safari	10/22/2013	Firefox	2/24/2015	490
javascript.statements.const 📋	Safari	7/20/2011	Firefox	2/24/2015	1315

2015/1

API	First Browser	Date	Last Browser	Date	Days
api.SVGFEFloodElement.height 📋	Chrome	5/25/2010	Firefox	1/13/2015	1694
api.SVGFEFloodElement.result 📋	Chrome	5/25/2010	Firefox	1/13/2015	1694
api.SVGFEFloodElement.width 📋	Chrome	5/25/2010	Firefox	1/13/2015	1694
api.SVGFEFloodElement.x 📋	Chrome	5/25/2010	Firefox	1/13/2015	1694
api.SVGFEFloodElement.y 📋	Chrome	5/25/2010	Firefox	1/13/2015	1694
css.properties.mask-type 📋	Chrome	1/10/2013	Firefox	1/13/2015	733
css.properties.mask-type.alpha 📋	Chrome	1/10/2013	Firefox	1/13/2015	733
css.properties.mask-type.luminance 📋	Chrome	1/10/2013	Firefox	1/13/2015	733
css.types.filter-function 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.blur 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.brightness 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.contrast 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.drop-shadow 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.grayscale 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.hue-rotate 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.invert 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.opacity 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.saturate 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
css.types.filter-function.sepia 📋	Chrome	3/28/2012	Firefox	1/13/2015	1021
html.elements.body.bottommargin	Chrome	12/11/2008	Firefox	1/13/2015	2224
html.elements.body.leftmargin	Chrome	12/11/2008	Firefox	1/13/2015	2224
html.elements.body.rightmargin	Chrome	12/11/2008	Firefox	1/13/2015	2224
html.elements.body.topmargin	Chrome	12/11/2008	Firefox	1/13/2015	2224

2014/12

API	First Browser	Date	Last Browser	Date	Days
api.CryptoKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.CryptoKey.algorithm 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.CryptoKey.extractable 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.CryptoKey.type 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.CryptoKey.usages 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.Element.matches 📋	Chrome	2/20/2014	Firefox	12/1/2014	284
api.NamedNodeMap 📋	Safari	6/23/2003	Firefox	12/1/2014	4179
api.SubtleCrypto.decrypt 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.encrypt 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.exportKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.generateKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.importKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.sign 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.unwrapKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.verify 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.SubtleCrypto.wrapKey 📋	Safari	10/22/2013	Firefox	12/1/2014	405
api.console.table_static 📋	Chrome	5/21/2013	Firefox	12/1/2014	559
css.properties.font-variant-ligatures.common-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.contextual 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.discretionary-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.historical-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.no-common-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.no-contextual 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.no-discretionary-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.no-historical-ligatures 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.none 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.font-variant-ligatures.normal 📋	Safari	10/22/2013	Firefox	12/1/2014	405
css.properties.min-height.auto	Chrome	7/31/2012	Firefox	12/1/2014	853
css.properties.min-width.auto	Chrome	7/31/2012	Firefox	12/1/2014	853

2014/10

API	First Browser	Date	Last Browser	Date	Days
api.AudioTrack 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.AudioTrack.enabled 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.AudioTrack.id 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.AudioTrack.kind 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.AudioTrack.label 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.AudioTrack.language 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.BaseAudioContext.createPeriodicWave 📋	Chrome	10/1/2013	Safari	10/16/2014	380
api.CanvasRenderingContext2D.drawFocusIfNeeded 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.Comment.Comment 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.Document.currentScript 📋	Firefox	3/22/2011	Safari	10/16/2014	1304
api.DocumentFragment.DocumentFragment 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.ErrorEvent.colno 📋	Chrome	10/1/2013	Safari	10/16/2014	380
api.File.name 📋	Firefox	1/21/2010	Safari	10/16/2014	1729
api.HTMLCanvasElement.getContext.webgl_context	Firefox	9/17/2013	Safari	10/16/2014	394
api.HTMLTemplateElement 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.HTMLTemplateElement.content 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.IDBCursor 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBCursor.advance 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.continue 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.delete 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.direction 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.key 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.primaryKey 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.source 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursor.update 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBCursorWithValue 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBCursorWithValue.value 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBDatabase.close 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.createObjectStore 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.deleteObjectStore 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.name 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.objectStoreNames 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.transaction 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.version 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBDatabase.versionchange_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBFactory 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBFactory.cmp 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBFactory.deleteDatabase 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBIndex.count 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.get 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.getKey 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.keyPath 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.multiEntry 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.name 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.objectStore 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.openCursor 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.openKeyCursor 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBIndex.unique 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBKeyRange.bound_static 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.lower 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.lowerBound_static 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.lowerOpen 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.only_static 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.upper 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.upperBound_static 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBKeyRange.upperOpen 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBObjectStore.add 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.autoIncrement 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.clear 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.count 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.createIndex 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.delete 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.deleteIndex 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.get 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.index 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.indexNames 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.keyPath 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.name 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.openCursor 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.put 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBObjectStore.transaction 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBOpenDBRequest 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBOpenDBRequest.blocked_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBOpenDBRequest.upgradeneeded_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBRequest.error 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.error_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.readyState 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.result 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.source 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.success_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBRequest.transaction 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBTransaction.abort 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.abort_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.complete_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.db 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.error 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.error_event 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.mode 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBTransaction.objectStore 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBVersionChangeEvent 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.IDBVersionChangeEvent.newVersion 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.IDBVersionChangeEvent.oldVersion 📋	Firefox	1/31/2012	Safari	10/16/2014	989
api.ImageData.ImageData 📋	Firefox	4/29/2014	Safari	10/16/2014	170
api.KeyboardEvent.location 📋	Firefox	8/28/2012	Safari	10/16/2014	779
api.OES_element_index_uint 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OES_standard_derivatives 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.OES_texture_float 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.OES_texture_float_linear 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.OES_texture_half_float 📋	Chrome	5/21/2013	Safari	10/16/2014	513
api.OES_texture_half_float_linear 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.OES_vertex_array_object 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OES_vertex_array_object.bindVertexArrayOES 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OES_vertex_array_object.createVertexArrayOES 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OES_vertex_array_object.deleteVertexArrayOES 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OES_vertex_array_object.isVertexArrayOES 📋	Chrome	1/10/2013	Safari	10/16/2014	644
api.OscillatorNode.setPeriodicWave 📋	Chrome	10/1/2013	Safari	10/16/2014	380
api.Path2D 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.Path2D 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.arc 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.arcTo 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.bezierCurveTo 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.closePath 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.lineTo 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.moveTo 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.quadraticCurveTo 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Path2D.rect 📋	Chrome	7/16/2014	Safari	10/16/2014	92
api.Performance 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.Performance.navigation 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.Performance.now 📋	Firefox	8/28/2012	Safari	10/16/2014	779
api.Performance.timing 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceNavigation 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.PerformanceNavigation.redirectCount 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.PerformanceNavigation.type 📋	Chrome	3/8/2011	Safari	10/16/2014	1318
api.PerformanceTiming 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.connectEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.connectStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domComplete 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domContentLoadedEventEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domContentLoadedEventStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domInteractive 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domLoading 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domainLookupEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.domainLookupStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.fetchStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.loadEventEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.loadEventStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.navigationStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.redirectEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.redirectStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.requestStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.responseEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.responseStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.unloadEventEnd 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PerformanceTiming.unloadEventStart 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
api.PeriodicWave 📋	Chrome	10/1/2013	Safari	10/16/2014	380
api.Range.Range 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.Text.Text 📋	Chrome	8/20/2013	Safari	10/16/2014	422
api.TextTrack.id 📋	Chrome	2/20/2014	Safari	10/16/2014	238
api.TextTrackList.getTrackById 📋	Chrome	2/20/2014	Safari	10/16/2014	238
api.VTTCue.VTTCue 📋	Chrome	2/20/2014	Safari	10/16/2014	238
api.WEBGL_compressed_texture_s3tc 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.WEBGL_depth_texture 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.WEBGL_lose_context 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.WEBGL_lose_context.loseContext 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.WEBGL_lose_context.restoreContext 📋	Chrome	3/26/2013	Safari	10/16/2014	569
api.WheelEvent.deltaX 📋	Firefox	11/20/2012	Safari	10/16/2014	695
api.WheelEvent.deltaY 📋	Firefox	11/20/2012	Safari	10/16/2014	695
api.WheelEvent.deltaZ 📋	Firefox	11/20/2012	Safari	10/16/2014	695
api.XMLHttpRequest.responseURL 📋	Chrome	8/26/2014	Safari	10/16/2014	51
api.indexedDB 📋	Firefox	10/9/2012	Safari	10/16/2014	737
api.performance 📋	Chrome	9/2/2010	Safari	10/16/2014	1505
css.properties.background-blend-mode 📋	Chrome	5/20/2014	Safari	10/16/2014	149
css.properties.font-variant.turkic_is	Firefox	7/17/2012	Safari	10/16/2014	821
css.properties.text-transform.turkic_is	Firefox	7/17/2012	Safari	10/16/2014	821
css.types.blend-mode 📋	Chrome	5/20/2014	Safari	10/16/2014	149
html.elements.template 📋	Chrome	3/26/2013	Safari	10/16/2014	569
javascript.builtins.Array.entries 📋	Firefox	3/18/2014	Safari	10/16/2014	212
javascript.builtins.Array.keys 📋	Firefox	3/18/2014	Safari	10/16/2014	212
javascript.builtins.Map 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.Map 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.clear 📋	Firefox	2/19/2013	Safari	10/16/2014	604
javascript.builtins.Map.delete 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.entries 📋	Firefox	4/2/2013	Safari	10/16/2014	562
javascript.builtins.Map.forEach 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Map.get 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.has 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.keys 📋	Firefox	4/2/2013	Safari	10/16/2014	562
javascript.builtins.Map.set 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Map.size 📋	Firefox	2/19/2013	Safari	10/16/2014	604
javascript.builtins.Map.values 📋	Firefox	4/2/2013	Safari	10/16/2014	562
javascript.builtins.Math.acosh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.asinh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.atanh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.cbrt 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.cosh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.expm1 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.fround 📋	Firefox	12/10/2013	Safari	10/16/2014	310
javascript.builtins.Math.hypot 📋	Firefox	2/4/2014	Safari	10/16/2014	254
javascript.builtins.Math.log10 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.log1p 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.log2 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.sinh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.tanh 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Math.trunc 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Promise 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.Promise 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.all 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.catch 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.race 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.reject 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.resolve 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Promise.then 📋	Chrome	1/14/2014	Safari	10/16/2014	275
javascript.builtins.Set 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Set.Set 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Set.add 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Set.clear 📋	Firefox	2/19/2013	Safari	10/16/2014	604
javascript.builtins.Set.delete 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Set.entries 📋	Firefox	9/17/2013	Safari	10/16/2014	394
javascript.builtins.Set.forEach 📋	Firefox	10/29/2013	Safari	10/16/2014	352
javascript.builtins.Set.has 📋	Firefox	6/5/2012	Safari	10/16/2014	863
javascript.builtins.Set.keys 📋	Firefox	9/17/2013	Safari	10/16/2014	394
javascript.builtins.Set.size 📋	Firefox	2/19/2013	Safari	10/16/2014	604
javascript.builtins.Set.values 📋	Firefox	9/17/2013	Safari	10/16/2014	394
javascript.builtins.WeakMap 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
javascript.builtins.WeakMap.WeakMap 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
javascript.builtins.WeakMap.delete 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
javascript.builtins.WeakMap.get 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
javascript.builtins.WeakMap.has 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
javascript.builtins.WeakMap.set 📋	Firefox	8/16/2011	Safari	10/16/2014	1157
api.AudioTrackList 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.AudioTrackList.addtrack_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.AudioTrackList.change_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.AudioTrackList.getTrackById 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.AudioTrackList.length 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.AudioTrackList.removetrack_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.HTMLFormControlsCollection.namedItem 📋	Safari	10/26/2007	Firefox	10/14/2014	2545
api.HTMLMediaElement.audioTracks 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.HTMLMediaElement.videoTracks 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.RadioNodeList 📋	Chrome	7/31/2012	Firefox	10/14/2014	805
api.RadioNodeList.value 📋	Chrome	7/31/2012	Firefox	10/14/2014	805
api.VideoTrack 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrack.id 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrack.kind 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrack.label 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrack.language 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrack.selected 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.addtrack_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.change_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.getTrackById 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.length 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.removetrack_event 📋	Safari	10/22/2013	Firefox	10/14/2014	357
api.VideoTrackList.selectedIndex 📋	Safari	10/22/2013	Firefox	10/14/2014	357
css.properties.list-style-type.arabic-indic 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.bengali 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.cambodian 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.cjk-earthly-branch 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.cjk-heavenly-stem 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.devanagari 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.gujarati 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.gurmukhi 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.kannada 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.khmer 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.lao 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.lower-armenian 📋	Safari	7/20/2011	Firefox	10/14/2014	1182
css.properties.list-style-type.malayalam 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.mongolian 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.myanmar 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.oriya 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.persian 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.telugu 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.thai 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.tibetan 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
css.properties.list-style-type.upper-armenian 📋	Safari	7/20/2011	Firefox	10/14/2014	1182
css.properties.list-style-type.urdu	Safari	6/7/2010	Firefox	10/14/2014	1590
html.elements.a.rel.noreferrer 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
html.elements.area.rel.noreferrer 📋	Safari	6/7/2010	Firefox	10/14/2014	1590
javascript.builtins.Math.clz32 📋	Safari	10/22/2013	Chrome	10/7/2014	350
javascript.statements.for_of 📋	Firefox	6/5/2012	Chrome	10/7/2014	854

2014/9

API	First Browser	Date	Last Browser	Date	Days
api.HTMLAllCollection 📋	Chrome	5/25/2010	Firefox	9/2/2014	1561
api.HTMLAllCollection.item 📋	Chrome	5/25/2010	Firefox	9/2/2014	1561
api.HTMLAllCollection.length 📋	Safari	6/7/2010	Firefox	9/2/2014	1548
api.HTMLAllCollection.namedItem 📋	Chrome	5/25/2010	Firefox	9/2/2014	1561
css.selectors.scope 📋	Chrome	5/21/2013	Firefox	9/2/2014	469
css.selectors.scope.dom_api	Chrome	5/21/2013	Firefox	9/2/2014	469
html.global_attributes.id 📋	Safari	6/23/2003	Firefox	9/2/2014	4089

2014/8

API	First Browser	Date	Last Browser	Date	Days
api.crypto 📋	Firefox	11/9/2004	Chrome	8/26/2014	3577

2014/7

API	First Browser	Date	Last Browser	Date	Days
api.CanvasRenderingContext2D.clip.path_parameter	Safari	10/22/2013	Firefox	7/22/2014	273
api.CanvasRenderingContext2D.fill.path_parameter	Safari	10/22/2013	Firefox	7/22/2014	273
api.CanvasRenderingContext2D.isPointInPath.path_parameter	Safari	10/22/2013	Firefox	7/22/2014	273
api.CanvasRenderingContext2D.isPointInStroke.path_parameter	Safari	10/22/2013	Firefox	7/22/2014	273
api.CanvasRenderingContext2D.stroke.path_parameter	Safari	10/22/2013	Firefox	7/22/2014	273
api.HTMLLinkElement.sizes 📋	Chrome	10/25/2011	Firefox	7/22/2014	1001
api.HTMLMediaElement.addTextTrack 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLMediaElement.textTracks 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.default 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.kind 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.label 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.readyState 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.src 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.srclang 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.HTMLTrackElement.track 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.KeyboardEvent.KeyboardEvent 📋	Chrome	3/26/2013	Firefox	7/22/2014	483
api.TextTrack 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.activeCues 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.addCue 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.cuechange_event 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.cues 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.kind 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.label 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.language 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.mode 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrack.removeCue 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.endTime 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.enter_event 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.exit_event 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.id 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.pauseOnExit 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.startTime 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCue.track 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCueList 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCueList.getCueById 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackCueList.length 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackList 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackList.addtrack_event 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackList.change_event 📋	Safari	10/22/2013	Firefox	7/22/2014	273
api.TextTrackList.length 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.TextTrackList.removetrack_event 📋	Safari	10/22/2013	Firefox	7/22/2014	273
api.VTTCue 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.align 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.getCueAsHTML 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.line 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.position 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.size 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.snapToLines 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.text 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.VTTCue.vertical 📋	Safari	7/25/2012	Firefox	7/22/2014	727
css.properties.font-size.rem_values	Safari	10/22/2013	Firefox	7/22/2014	273
html.elements.track 📋	Safari	7/25/2012	Firefox	7/22/2014	727
html.elements.track.default 📋	Safari	7/25/2012	Firefox	7/22/2014	727
html.elements.track.kind 📋	Safari	7/25/2012	Firefox	7/22/2014	727
html.elements.track.label 📋	Safari	7/25/2012	Firefox	7/22/2014	727
html.elements.track.srclang 📋	Safari	7/25/2012	Firefox	7/22/2014	727
api.ImageData.worker_support	Safari	10/22/2013	Chrome	7/16/2014	267
css.properties.align-self.flex_context 📋	Firefox	4/2/2013	Chrome	7/16/2014	470

2014/6

API	First Browser	Date	Last Browser	Date	Days
api.SVGFEDropShadowElement 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.dx 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.dy 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.height 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.in1 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.result 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.setStdDeviation 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.stdDeviationX 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.stdDeviationY 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.width 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.x 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.SVGFEDropShadowElement.y 📋	Chrome	8/2/2011	Firefox	6/10/2014	1043
api.console.count_static 📋	Chrome	5/21/2009	Firefox	6/10/2014	1846
html.elements.area.rel 📋	Safari	6/7/2010	Firefox	6/10/2014	1464
javascript.builtins.TypedArray.named_properties	Chrome	10/19/2010	Firefox	6/10/2014	1330

2014/4

API	First Browser	Date	Last Browser	Date	Days
api.SVGFEComponentTransferElement.height 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEComponentTransferElement.result 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEComponentTransferElement.width 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEComponentTransferElement.x 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEComponentTransferElement.y 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEGaussianBlurElement.height 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEGaussianBlurElement.result 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEGaussianBlurElement.width 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEGaussianBlurElement.x 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.SVGFEGaussianBlurElement.y 📋	Chrome	5/25/2010	Firefox	4/29/2014	1435
api.ValidityState.badInput 📋	Chrome	2/21/2013	Firefox	4/29/2014	432
api.console.worker_support	Safari	10/22/2013	Firefox	4/29/2014	189
css.properties.border-image.gradient	Safari	6/8/2009	Firefox	4/29/2014	1786
css.properties.box-sizing 📋	Chrome	3/8/2011	Firefox	4/29/2014	1148
css.selectors.in-range 📋	Chrome	3/8/2011	Firefox	4/29/2014	1148
css.selectors.out-of-range 📋	Chrome	3/8/2011	Firefox	4/29/2014	1148
html.elements.input.type_number 📋	Chrome	10/19/2010	Firefox	4/29/2014	1288
javascript.builtins.ArrayBuffer.isView 📋	Safari	10/22/2013	Firefox	4/29/2014	189
api.Document.hasFocus 📋	Firefox	6/17/2008	Chrome	4/8/2014	2121

2014/3

API	First Browser	Date	Last Browser	Date	Days
api.console.assert_static 📋	Chrome	5/21/2009	Firefox	3/18/2014	1762
css.properties.align-items.flex_context.baseline	Chrome	7/31/2012	Firefox	3/18/2014	595
css.properties.align-self.flex_context.baseline	Chrome	7/31/2012	Firefox	3/18/2014	595
css.properties.flex-wrap.nowrap 📋	Chrome	7/31/2012	Firefox	3/18/2014	595
css.properties.flex-wrap.wrap 📋	Chrome	7/31/2012	Firefox	3/18/2014	595
css.properties.flex-wrap.wrap-reverse 📋	Chrome	7/31/2012	Firefox	3/18/2014	595
html.elements.iframe.sandbox.allow-popups 📋	Chrome	2/8/2012	Firefox	3/18/2014	769

2014/2

API	First Browser	Date	Last Browser	Date	Days
api.Document.hidden 📋	Firefox	1/8/2013	Chrome	2/20/2014	408
api.Document.visibilityState 📋	Firefox	1/8/2013	Chrome	2/20/2014	408
api.CanvasRenderingContext2D.getLineDash 📋	Chrome	11/6/2012	Firefox	2/4/2014	455
api.CanvasRenderingContext2D.lineDashOffset 📋	Chrome	11/6/2012	Firefox	2/4/2014	455
api.CanvasRenderingContext2D.setLineDash 📋	Chrome	11/6/2012	Firefox	2/4/2014	455
api.ErrorEvent 📋	Chrome	3/8/2011	Firefox	2/4/2014	1064
api.ErrorEvent.ErrorEvent 📋	Chrome	12/13/2011	Firefox	2/4/2014	784
api.ErrorEvent.filename 📋	Chrome	3/8/2011	Firefox	2/4/2014	1064
api.ErrorEvent.lineno 📋	Chrome	3/8/2011	Firefox	2/4/2014	1064
api.ErrorEvent.message 📋	Chrome	3/8/2011	Firefox	2/4/2014	1064
api.HTMLInputElement.setRangeText 📋	Chrome	1/10/2013	Firefox	2/4/2014	390
api.HTMLTextAreaElement.setRangeText 📋	Chrome	1/10/2013	Firefox	2/4/2014	390
api.TrackEvent 📋	Safari	7/25/2012	Firefox	2/4/2014	559
api.TrackEvent.TrackEvent 📋	Safari	7/25/2012	Firefox	2/4/2014	559
api.TrackEvent.track 📋	Safari	7/25/2012	Firefox	2/4/2014	559

2014/1

API	First Browser	Date	Last Browser	Date	Days
api.Notification.permission_static 📋	Firefox	6/25/2013	Chrome	1/14/2014	203
api.URL 📋	Firefox	2/19/2013	Chrome	1/14/2014	329
api.URL.hash 📋	Firefox	6/25/2013	Chrome	1/14/2014	203
api.URL.host 📋	Firefox	6/25/2013	Chrome	1/14/2014	203

2013/12

API	First Browser	Date	Last Browser	Date	Days
api.DOMTokenList.add.multiple_parameters	Chrome	1/10/2013	Firefox	12/10/2013	334
api.DOMTokenList.remove.multiple_parameters	Chrome	1/10/2013	Firefox	12/10/2013	334
api.HTMLAnchorElement.origin 📋	Chrome	12/2/2010	Firefox	12/10/2013	1104
api.HTMLSelectElement.selectedOptions 📋	Chrome	5/15/2012	Firefox	12/10/2013	574
api.MessageEvent.MessageEvent 📋	Chrome	12/13/2011	Firefox	12/10/2013	728
api.Notification.dir 📋	Chrome	6/26/2012	Firefox	12/10/2013	532
api.WaveShaperNode.oversample 📋	Safari	7/25/2012	Firefox	12/10/2013	503

2013/11

API	First Browser	Date	Last Browser	Date	Days
api.Element.wheel_event 📋	Firefox	11/20/2012	Chrome	11/12/2013	357
api.XMLHttpRequest.responseType 📋	Safari	7/20/2011	Chrome	11/12/2013	846
api.XMLHttpRequest.responseType.arraybuffer_value	Safari	7/20/2011	Chrome	11/12/2013	846
api.XMLHttpRequest.responseType.blob_value	Safari	7/20/2011	Chrome	11/12/2013	846
api.XMLHttpRequest.responseType.document_value	Firefox	3/13/2012	Chrome	11/12/2013	609
api.XMLHttpRequest.responseType.json_value	Firefox	1/31/2012	Chrome	11/12/2013	651

2013/10

API	First Browser	Date	Last Browser	Date	Days
api.AnalyserNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.fftSize 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.frequencyBinCount 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.getByteFrequencyData 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.getByteTimeDomainData 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.getFloatFrequencyData 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.maxDecibels 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.minDecibels 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AnalyserNode.smoothingTimeConstant 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer.duration 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer.getChannelData 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer.length 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer.numberOfChannels 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBuffer.sampleRate 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBufferSourceNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBufferSourceNode.buffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBufferSourceNode.loop 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.AudioBufferSourceNode.loopEnd 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.AudioBufferSourceNode.loopStart 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.AudioBufferSourceNode.playbackRate 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioBufferSourceNode.start 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.AudioContext.createMediaElementSource 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.AudioDestinationNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioListener 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioListener.setOrientation 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioListener.setPosition 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode.channelCount 📋	Chrome	5/21/2013	Firefox	10/29/2013	161
api.AudioNode.channelCountMode 📋	Chrome	5/21/2013	Firefox	10/29/2013	161
api.AudioNode.channelInterpretation 📋	Chrome	5/21/2013	Firefox	10/29/2013	161
api.AudioNode.connect 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode.context 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode.disconnect 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode.numberOfInputs 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioNode.numberOfOutputs 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.cancelScheduledValues 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.defaultValue 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.exponentialRampToValueAtTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.linearRampToValueAtTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.setTargetAtTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.setValueAtTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.setValueCurveAtTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioParam.value 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioProcessingEvent	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioProcessingEvent.inputBuffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioProcessingEvent.outputBuffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioProcessingEvent.playbackTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.AudioScheduledSourceNode.ended_event 📋	Chrome	10/1/2013	Firefox	10/29/2013	28
api.AudioScheduledSourceNode.start 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.AudioScheduledSourceNode.stop 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.BaseAudioContext.createAnalyser 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createBiquadFilter 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createBuffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createBufferSource 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createChannelMerger 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createChannelSplitter 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createConvolver 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createDelay 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.BaseAudioContext.createDynamicsCompressor 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createGain 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.BaseAudioContext.createOscillator 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.BaseAudioContext.createPanner 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.createScriptProcessor 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.BaseAudioContext.createWaveShaper 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.BaseAudioContext.currentTime 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.decodeAudioData 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.destination 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.listener 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BaseAudioContext.sampleRate 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BiquadFilterNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BiquadFilterNode.Q 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BiquadFilterNode.detune 📋	Chrome	2/21/2013	Firefox	10/29/2013	250
api.BiquadFilterNode.frequency 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BiquadFilterNode.gain 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.BiquadFilterNode.getFrequencyResponse 📋	Chrome	2/8/2012	Firefox	10/29/2013	629
api.BiquadFilterNode.type 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.ChannelMergerNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.ChannelSplitterNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.ConvolverNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.ConvolverNode.buffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.ConvolverNode.normalize 📋	Chrome	3/28/2012	Firefox	10/29/2013	580
api.DelayNode 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.DelayNode.delayTime 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.DynamicsCompressorNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.DynamicsCompressorNode.attack 📋	Chrome	5/15/2012	Firefox	10/29/2013	532
api.DynamicsCompressorNode.knee 📋	Chrome	5/15/2012	Firefox	10/29/2013	532
api.DynamicsCompressorNode.ratio 📋	Chrome	5/15/2012	Firefox	10/29/2013	532
api.DynamicsCompressorNode.reduction 📋	Chrome	5/15/2012	Firefox	10/29/2013	532
api.DynamicsCompressorNode.release 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.DynamicsCompressorNode.threshold 📋	Chrome	5/15/2012	Firefox	10/29/2013	532
api.GainNode 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.GainNode.gain 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.HTMLIFrameElement.srcdoc 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.HTMLTableElement.createTBody 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.MediaElementAudioSourceNode 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.OfflineAudioCompletionEvent 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.OfflineAudioCompletionEvent.renderedBuffer 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.OfflineAudioContext.complete_event 📋	Chrome	2/21/2013	Firefox	10/29/2013	250
api.OfflineAudioContext.startRendering 📋	Chrome	2/21/2013	Firefox	10/29/2013	250
api.OscillatorNode 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.OscillatorNode.detune 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.OscillatorNode.frequency 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.OscillatorNode.type 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
api.PannerNode 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.coneInnerAngle 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.coneOuterAngle 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.coneOuterGain 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.distanceModel 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.maxDistance 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.panningModel 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.refDistance 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.rolloffFactor 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.setOrientation 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.PannerNode.setPosition 📋	Chrome	9/16/2011	Firefox	10/29/2013	774
api.Range.collapse.toStart_parameter_optional	Safari	6/23/2003	Firefox	10/29/2013	3781
api.SVGSVGElement.deselectAll 📋	Safari	10/26/2007	Firefox	10/29/2013	2195
api.ScriptProcessorNode	Chrome	1/10/2013	Firefox	10/29/2013	292
api.ScriptProcessorNode.audioprocess_event	Chrome	1/10/2013	Firefox	10/29/2013	292
api.ScriptProcessorNode.bufferSize 📋	Chrome	1/10/2013	Firefox	10/29/2013	292
api.WaveShaperNode 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.WaveShaperNode.curve 📋	Chrome	10/25/2011	Firefox	10/29/2013	735
api.WebGLVertexArrayObjectOES 📋	Safari	7/20/2011	Firefox	10/29/2013	832
css.properties.font-smooth	Safari	6/8/2009	Firefox	10/29/2013	1604
html.elements.iframe.srcdoc 📋	Chrome	6/26/2012	Firefox	10/29/2013	490
javascript.builtins.TypedArray.index_properties_not_consulting_prototype	Chrome	10/19/2010	Firefox	10/29/2013	1106
api.BeforeUnloadEvent 📋	Firefox	11/29/2005	Safari	10/22/2013	2884
api.Blob.slice 📋	Firefox	6/5/2012	Safari	10/22/2013	504
api.CanvasRenderingContext2D.isPointInStroke 📋	Firefox	2/19/2013	Safari	10/22/2013	245
api.CharacterData.remove 📋	Chrome	1/10/2013	Safari	10/22/2013	285
api.DOMTokenList.toggle.force_parameter	Chrome	1/10/2013	Safari	10/22/2013	285
api.Document.activeElement 📋	Firefox	6/17/2008	Safari	10/22/2013	1953
api.DocumentType.remove 📋	Chrome	1/10/2013	Safari	10/22/2013	285
api.Element.classList 📋	Firefox	1/21/2010	Safari	10/22/2013	1370
api.Element.mouseenter_event 📋	Firefox	1/31/2012	Safari	10/22/2013	630
api.Element.mouseleave_event 📋	Firefox	1/31/2012	Safari	10/22/2013	630
api.Element.remove 📋	Chrome	1/10/2013	Safari	10/22/2013	285
api.EventSource.EventSource.options_withCredentials_parameter	Firefox	3/13/2012	Safari	10/22/2013	588
api.EventSource.withCredentials 📋	Firefox	8/16/2011	Safari	10/22/2013	798
api.FocusEvent 📋	Chrome	3/26/2013	Safari	10/22/2013	210
api.FocusEvent.FocusEvent 📋	Chrome	3/26/2013	Safari	10/22/2013	210
api.FocusEvent.relatedTarget 📋	Chrome	3/26/2013	Safari	10/22/2013	210
api.HTMLFieldSetElement.elements 📋	Firefox	3/22/2011	Safari	10/22/2013	945
api.HTMLInputElement.height 📋	Chrome	7/31/2012	Safari	10/22/2013	448
api.HTMLInputElement.width 📋	Chrome	7/31/2012	Safari	10/22/2013	448
api.MouseEvent.MouseEvent 📋	Firefox	3/13/2012	Safari	10/22/2013	588
api.MutationObserver 📋	Firefox	7/17/2012	Safari	10/22/2013	462
api.MutationObserver.MutationObserver 📋	Firefox	7/17/2012	Safari	10/22/2013	462
api.MutationRecord 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.addedNodes 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.attributeName 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.attributeNamespace 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.nextSibling 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.oldValue 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.previousSibling 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.removedNodes 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.target 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.MutationRecord.type 📋	Chrome	12/13/2011	Safari	10/22/2013	679
api.Notification 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.Notification 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.click_event 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.close 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.close_event 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.error_event 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.Notification.show_event 📋	Chrome	6/26/2012	Safari	10/22/2013	483
api.SVGGraphicsElement 📋	Firefox	4/2/2013	Safari	10/22/2013	203
api.TransitionEvent 📋	Firefox	3/22/2011	Safari	10/22/2013	945
api.TransitionEvent.TransitionEvent 📋	Chrome	5/21/2013	Safari	10/22/2013	154
api.UIEvent.UIEvent 📋	Firefox	3/13/2012	Safari	10/22/2013	588
api.WheelEvent.WheelEvent 📋	Firefox	11/20/2012	Safari	10/22/2013	336
api.WheelEvent.deltaMode 📋	Firefox	11/20/2012	Safari	10/22/2013	336
api.Window.cancelAnimationFrame 📋	Chrome	1/10/2013	Safari	10/22/2013	285
api.Window.requestAnimationFrame 📋	Chrome	1/10/2013	Safari	10/22/2013	285
api.XMLHttpRequest.send.body_ArrayBufferView_type	Chrome	9/25/2012	Safari	10/22/2013	392
api.XMLHttpRequest.timeout 📋	Firefox	4/24/2012	Safari	10/22/2013	546
api.XMLHttpRequest.timeout_event 📋	Firefox	4/24/2012	Safari	10/22/2013	546
api.XMLHttpRequestUpload.timeout_event 📋	Firefox	4/24/2012	Safari	10/22/2013	546
css.at-rules.media.nested-queries	Firefox	3/13/2012	Safari	10/22/2013	588
css.properties.background-position.side-relative_values	Firefox	6/5/2012	Safari	10/22/2013	504
css.properties.clip-path.html_elements	Firefox	6/30/2009	Safari	10/22/2013	1575
css.properties.width.is_animatable	Firefox	10/9/2012	Safari	10/22/2013	378
css.properties.width.stretch 📋	Firefox	6/17/2008	Safari	10/22/2013	1953
css.selectors.after.animation_and_transition_support	Firefox	3/22/2011	Safari	10/22/2013	945
css.selectors.before.animation_and_transition_support	Firefox	3/22/2011	Safari	10/22/2013	945
css.types.calc 📋	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.gradient 📋	Firefox	1/21/2010	Safari	10/22/2013	1370
css.types.gradient.linear-gradient 📋	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.gradient.linear-gradient.to	Firefox	1/31/2012	Safari	10/22/2013	630
css.types.gradient.radial-gradient 📋	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.gradient.radial-gradient.at	Firefox	1/31/2012	Safari	10/22/2013	630
css.types.gradient.repeating-linear-gradient 📋	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.gradient.repeating-linear-gradient.to	Firefox	1/31/2012	Safari	10/22/2013	630
css.types.gradient.repeating-radial-gradient 📋	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.gradient.repeating-radial-gradient.at	Firefox	10/9/2012	Safari	10/22/2013	378
css.types.length.ch	Firefox	11/9/2004	Safari	10/22/2013	3269
css.types.length.vmax	Firefox	2/19/2013	Safari	10/22/2013	245
css.types.length.vmin	Firefox	2/19/2013	Safari	10/22/2013	245
css.types.position.four_value_syntax	Firefox	6/5/2012	Safari	10/22/2013	504
html.elements.main 📋	Chrome	3/26/2013	Safari	10/22/2013	210
html.elements.output 📋	Chrome	3/8/2011	Safari	10/22/2013	959
html.elements.output.for 📋	Chrome	3/8/2011	Safari	10/22/2013	959
html.elements.output.form 📋	Chrome	3/8/2011	Safari	10/22/2013	959
html.elements.output.name 📋	Chrome	3/8/2011	Safari	10/22/2013	959
javascript.builtins.Math.imul 📋	Firefox	4/2/2013	Safari	10/22/2013	203
css.properties.text-transform.lowercase_sigma	Firefox	7/17/2012	Chrome	10/1/2013	441
html.elements.video.muted 📋	Safari	6/7/2010	Chrome	10/1/2013	1212

2013/9

API	First Browser	Date	Last Browser	Date	Days
api.Element.blur_event 📋	Safari	3/18/2008	Firefox	9/17/2013	2009
api.Element.focus_event 📋	Safari	3/18/2008	Firefox	9/17/2013	2009

2013/8

API	First Browser	Date	Last Browser	Date	Days
api.TransitionEvent.pseudoElement 📋	Chrome	5/21/2009	Firefox	8/6/2013	1538
html.elements.input.type_range 📋	Safari	3/18/2008	Firefox	8/6/2013	1967

2013/6

API	First Browser	Date	Last Browser	Date	Days
api.Element.copy_event 📋	Safari	10/26/2007	Firefox	6/25/2013	2069
api.Element.cut_event 📋	Safari	10/26/2007	Firefox	6/25/2013	2069
api.Element.paste_event 📋	Safari	10/26/2007	Firefox	6/25/2013	2069
api.FormData.append.filename_parameter	Chrome	12/13/2011	Firefox	6/25/2013	560
api.SVGAnimatedPreserveAspectRatio.animVal 📋	Chrome	5/25/2010	Firefox	6/25/2013	1127
api.SVGAnimatedPreserveAspectRatio.baseVal 📋	Chrome	5/25/2010	Firefox	6/25/2013	1127
api.SVGFEImageElement.preserveAspectRatio 📋	Chrome	5/25/2010	Firefox	6/25/2013	1127
css.properties.background.background-clip	Safari	7/20/2011	Firefox	6/25/2013	706
css.properties.background.background-origin	Safari	7/20/2011	Firefox	6/25/2013	706

2013/5

API	First Browser	Date	Last Browser	Date	Days
api.Crypto 📋	Safari	6/7/2010	Firefox	5/14/2013	1072
api.Crypto.getRandomValues 📋	Safari	6/7/2010	Firefox	5/14/2013	1072
api.Element.scrollHeight 📋	Safari	6/23/2003	Firefox	5/14/2013	3613
api.Location.origin 📋	Chrome	12/2/2010	Firefox	5/14/2013	894
css.properties.user-select.none	Safari	4/29/2005	Firefox	5/14/2013	2937
javascript.builtins.parseInt.leading_zero_strings_as_decimal	Safari	7/25/2012	Firefox	5/14/2013	293

2013/4

API	First Browser	Date	Last Browser	Date	Days
api.HTMLMediaElement.defaultPlaybackRate 📋	Safari	3/18/2008	Firefox	4/2/2013	1841
api.HTMLMediaElement.playbackRate 📋	Safari	3/18/2008	Firefox	4/2/2013	1841
api.HTMLTableRowElement.insertCell.index_parameter_negative_one	Safari	10/26/2007	Firefox	4/2/2013	1985
api.HTMLTableRowElement.insertCell.index_parameter_optional	Safari	10/26/2007	Firefox	4/2/2013	1985
api.SVGTextPathElement.method 📋	Safari	3/18/2008	Firefox	4/2/2013	1841
api.SVGTextPathElement.spacing 📋	Safari	3/18/2008	Firefox	4/2/2013	1841
api.SVGTextPathElement.startOffset 📋	Safari	3/18/2008	Firefox	4/2/2013	1841
api.Window.postMessage.transfer_parameter	Chrome	1/25/2010	Firefox	4/2/2013	1163

2013/2

API	First Browser	Date	Last Browser	Date	Days
api.CSSPageRule 📋	Safari	10/26/2007	Firefox	2/19/2013	1943
api.CSSPageRule.style 📋	Safari	10/26/2007	Firefox	2/19/2013	1943
api.Document.URL 📋	Safari	10/26/2007	Firefox	2/19/2013	1943
api.Document.compatMode 📋	Chrome	12/2/2010	Firefox	2/19/2013	810
api.URL.createObjectURL_static 📋	Chrome	5/15/2012	Firefox	2/19/2013	280
api.URL.revokeObjectURL_static 📋	Chrome	5/15/2012	Firefox	2/19/2013	280
css.properties.page-break-inside 📋	Safari	4/15/2005	Firefox	2/19/2013	2867
css.properties.page-break-inside.auto 📋	Safari	4/15/2005	Firefox	2/19/2013	2867
css.properties.page-break-inside.avoid 📋	Safari	4/15/2005	Firefox	2/19/2013	2867
css.types.calc.gradient_color_stops	Chrome	5/15/2012	Firefox	2/19/2013	280
css.types.global_keywords.initial 📋	Safari	2/2/2004	Firefox	2/19/2013	3305
css.types.length.vh	Chrome	6/26/2012	Firefox	2/19/2013	238
css.types.length.vw	Chrome	6/26/2012	Firefox	2/19/2013	238

2013/1

API	First Browser	Date	Last Browser	Date	Days
api.HTMLOListElement.reversed 📋	Chrome	3/28/2012	Firefox	1/8/2013	286
api.ProgressEvent.ProgressEvent 📋	Chrome	12/13/2011	Firefox	1/8/2013	392
api.WebSocket.send 📋	Chrome	5/25/2010	Firefox	1/8/2013	959
api.Window.devicePixelRatio 📋	Safari	10/26/2007	Firefox	1/8/2013	1901
html.elements.ol.reversed 📋	Chrome	3/28/2012	Firefox	1/8/2013	286

2012/11

API	First Browser	Date	Last Browser	Date	Days
api.Event.initEvent 📋	Safari	6/23/2003	Firefox	11/20/2012	3438
api.HTMLIFrameElement.sandbox 📋	Chrome	5/25/2010	Firefox	11/20/2012	910
api.Range.intersectsNode 📋	Safari	10/26/2007	Firefox	11/20/2012	1852
api.WheelEvent 📋	Safari	10/26/2007	Firefox	11/20/2012	1852
html.elements.iframe.sandbox 📋	Chrome	5/25/2010	Firefox	11/20/2012	910
api.Element.id 📋	Safari	6/23/2003	Chrome	11/6/2012	3424

2012/10

API	First Browser	Date	Last Browser	Date	Days
api.HTMLInputElement.max 📋	Chrome	1/25/2010	Firefox	10/9/2012	988
api.HTMLInputElement.min 📋	Chrome	1/25/2010	Firefox	10/9/2012	988
api.HTMLInputElement.step 📋	Chrome	5/25/2010	Firefox	10/9/2012	868
api.HTMLInputElement.stepDown 📋	Chrome	5/25/2010	Firefox	10/9/2012	868
api.HTMLInputElement.stepUp 📋	Chrome	5/25/2010	Firefox	10/9/2012	868
api.HTMLInputElement.valueAsNumber 📋	Chrome	5/25/2010	Firefox	10/9/2012	868
api.HTMLMeterElement 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.high 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.low 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.max 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.min 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.optimum 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
api.HTMLMeterElement.value 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
css.properties.animation-direction.alternate-reverse 📋	Chrome	5/15/2012	Firefox	10/9/2012	147
css.properties.animation-direction.reverse 📋	Chrome	5/15/2012	Firefox	10/9/2012	147
css.properties.transform.3d	Safari	6/8/2009	Firefox	10/9/2012	1219
css.properties.transition-property.IDENT_value	Chrome	12/11/2008	Firefox	10/9/2012	1398
html.elements.input.max 📋	Chrome	1/25/2010	Firefox	10/9/2012	988
html.elements.input.min 📋	Chrome	1/25/2010	Firefox	10/9/2012	988
html.elements.input.step 📋	Chrome	5/25/2010	Firefox	10/9/2012	868
html.elements.meter 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.high 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.low 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.max 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.min 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.optimum 📋	Chrome	9/2/2010	Firefox	10/9/2012	768
html.elements.meter.value 📋	Chrome	9/2/2010	Firefox	10/9/2012	768

2012/9

API	First Browser	Date	Last Browser	Date	Days
api.Element.className 📋	Safari	6/23/2003	Chrome	9/25/2012	3382
api.XMLHttpRequest.send.body_Blob_type	Firefox	10/24/2006	Chrome	9/25/2012	2163

2012/8

API	First Browser	Date	Last Browser	Date	Days
api.HTMLMediaElement.played 📋	Safari	3/18/2008	Firefox	8/28/2012	1624
api.HTMLSourceElement.media 📋	Safari	3/18/2008	Firefox	8/28/2012	1624
api.SVGAnimatedRect.animVal 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
api.SVGAnimatedRect.baseVal 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
api.SVGViewElement 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
api.SVGViewElement.preserveAspectRatio 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
api.SVGViewElement.viewBox 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
css.properties.border-image 📋	Chrome	12/13/2011	Firefox	8/28/2012	259
css.properties.border-image.fill	Chrome	12/13/2011	Firefox	8/28/2012	259
css.properties.border-image.optional_border_image_slice	Chrome	12/13/2011	Firefox	8/28/2012	259
css.properties.border-image-outset 📋	Chrome	10/25/2011	Firefox	8/28/2012	308
css.properties.border-image-repeat 📋	Chrome	10/25/2011	Firefox	8/28/2012	308
css.properties.border-image-slice 📋	Chrome	10/25/2011	Firefox	8/28/2012	308
css.properties.border-image-source 📋	Chrome	10/25/2011	Firefox	8/28/2012	308
css.properties.border-image-width.auto 📋	Chrome	12/13/2011	Firefox	8/28/2012	259
css.properties.word-break 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
css.properties.word-break.break-all 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
css.properties.word-break.normal 📋	Safari	10/26/2007	Firefox	8/28/2012	1768
html.elements.source.media 📋	Safari	3/18/2008	Firefox	8/28/2012	1624
javascript.builtins.DataView 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.DataView 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.buffer 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.byteLength 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.byteOffset 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getFloat32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getFloat64 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getInt16 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getInt32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getInt8 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getUint16 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getUint32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.getUint8 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setFloat32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setFloat64 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setInt16 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setInt32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setInt8 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setUint16 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setUint32 📋	Chrome	2/3/2011	Firefox	8/28/2012	572
javascript.builtins.DataView.setUint8 📋	Chrome	2/3/2011	Firefox	8/28/2012	572

2012/7

API	First Browser	Date	Last Browser	Date	Days
css.properties.background.background-size	Safari	7/20/2011	Chrome	7/31/2012	377
api.Blob 📋	Chrome	5/25/2010	Safari	7/25/2012	792
api.Blob.Blob 📋	Firefox	6/5/2012	Safari	7/25/2012	50
api.Blob.size 📋	Chrome	5/25/2010	Safari	7/25/2012	792
api.Blob.type 📋	Chrome	5/25/2010	Safari	7/25/2012	792
api.CSSStyleDeclaration.item 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.CSSStyleDeclaration.length 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.CSSStyleDeclaration.setProperty 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.CloseEvent 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.CloseEvent.CloseEvent 📋	Chrome	12/13/2011	Safari	7/25/2012	225
api.CloseEvent.code 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.CloseEvent.reason 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.CloseEvent.wasClean 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.CustomEvent.CustomEvent 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.Event.Event 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.EventSource.url 📋	Firefox	8/16/2011	Safari	7/25/2012	344
api.FileReader 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.FileReader 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.abort 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.abort_event 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.error 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.error_event 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.load_event 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.loadend_event 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.progress_event 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.readAsArrayBuffer 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.readAsBinaryString 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.readAsDataURL 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.readAsText 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.readyState 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReader.result 📋	Firefox	1/21/2010	Safari	7/25/2012	916
api.FileReaderSync 📋	Chrome	10/19/2010	Safari	7/25/2012	645
api.FileReaderSync.FileReaderSync 📋	Chrome	10/19/2010	Safari	7/25/2012	645
api.FileReaderSync.readAsArrayBuffer 📋	Chrome	2/3/2011	Safari	7/25/2012	538
api.FileReaderSync.readAsBinaryString 📋	Chrome	10/19/2010	Safari	7/25/2012	645
api.FileReaderSync.readAsDataURL 📋	Chrome	10/19/2010	Safari	7/25/2012	645
api.FileReaderSync.readAsText 📋	Chrome	10/19/2010	Safari	7/25/2012	645
api.FileReaderSync.worker_support	Chrome	10/19/2010	Safari	7/25/2012	645
api.HTMLElement.accessKey 📋	Firefox	6/21/2011	Safari	7/25/2012	400
api.HTMLElement.click 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.HTMLFieldSetElement.disabled 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLFieldSetElement.name 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLFieldSetElement.type 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLFormElement.autocomplete 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLImageElement.crossOrigin 📋	Chrome	8/2/2011	Safari	7/25/2012	358
api.HTMLInputElement.autocomplete 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLInputElement.selectionDirection 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.HTMLMediaElement.defaultMuted 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.HTMLProgressElement 📋	Chrome	9/2/2010	Safari	7/25/2012	692
api.HTMLProgressElement.max 📋	Chrome	9/2/2010	Safari	7/25/2012	692
api.HTMLProgressElement.position 📋	Chrome	9/2/2010	Safari	7/25/2012	692
api.HTMLProgressElement.value 📋	Chrome	9/2/2010	Safari	7/25/2012	692
api.HTMLScriptElement.crossOrigin 📋	Chrome	5/15/2012	Safari	7/25/2012	71
api.HTMLSpanElement 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.HTMLTextAreaElement.selectionDirection 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.HTMLTextAreaElement.wrap 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.HTMLUnknownElement 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.HashChangeEvent.HashChangeEvent 📋	Chrome	12/13/2011	Safari	7/25/2012	225
api.History.state 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.MutationObserver.disconnect 📋	Chrome	3/28/2012	Safari	7/25/2012	119
api.MutationObserver.observe 📋	Chrome	3/28/2012	Safari	7/25/2012	119
api.MutationObserver.takeRecords 📋	Chrome	6/26/2012	Safari	7/25/2012	29
api.PageTransitionEvent.PageTransitionEvent 📋	Chrome	12/13/2011	Safari	7/25/2012	225
api.PopStateEvent 📋	Chrome	1/25/2010	Safari	7/25/2012	912
api.PopStateEvent.PopStateEvent 📋	Chrome	12/13/2011	Safari	7/25/2012	225
api.PopStateEvent.state 📋	Chrome	1/25/2010	Safari	7/25/2012	912
api.SVGAnimateMotionElement 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.SVGAnimatedBoolean.animVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGAnimatedBoolean.baseVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGAnimatedInteger.animVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGAnimatedInteger.baseVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGAnimatedNumberList.animVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGAnimatedNumberList.baseVal 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.amplitude 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.exponent 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.intercept 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.offset 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.slope 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.tableValues 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGComponentTransferFunctionElement.type 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGElement.error_event 📋	Firefox	11/29/2005	Safari	7/25/2012	2430
api.SVGFEBlendElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.in2 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.mode 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEBlendElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.type 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.values 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEColorMatrixElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEComponentTransferElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEComponentTransferElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.in2 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.k1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.k2 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.k3 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.k4 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.operator 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFECompositeElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.bias 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.divisor 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.edgeMode 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.kernelMatrix 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.kernelUnitLengthX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.kernelUnitLengthY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.orderX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.orderY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.preserveAlpha 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.targetX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.targetY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEConvolveMatrixElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.diffuseConstant 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.kernelUnitLengthX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.kernelUnitLengthY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.surfaceScale 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDiffuseLightingElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.in2 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.scale 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.xChannelSelector 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDisplacementMapElement.yChannelSelector 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDistantLightElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDistantLightElement.azimuth 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEDistantLightElement.elevation 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEFloodElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEFuncAElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEFuncBElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEFuncGElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEFuncRElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEGaussianBlurElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEGaussianBlurElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEGaussianBlurElement.setStdDeviation 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEGaussianBlurElement.stdDeviationX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEGaussianBlurElement.stdDeviationY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.href 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEImageElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeNodeElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMergeNodeElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.operator 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.radiusX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.radiusY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEMorphologyElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.dx 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.dy 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEOffsetElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEPointLightElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEPointLightElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEPointLightElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFEPointLightElement.z 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.specularConstant 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.specularExponent 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.surfaceScale 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpecularLightingElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.limitingConeAngle 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.pointsAtX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.pointsAtY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.pointsAtZ 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.specularExponent 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFESpotLightElement.z 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.in1 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETileElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.baseFrequencyX 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.baseFrequencyY 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.numOctaves 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.result 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.seed 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.stitchTiles 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.type 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFETurbulenceElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.filterUnits 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.height 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.href 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.primitiveUnits 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.width 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.x 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGFilterElement.y 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGMPathElement 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.SVGMPathElement.href 📋	Firefox	3/22/2011	Safari	7/25/2012	491
api.SVGNumberList.appendItem 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.clear 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.getItem 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.initialize 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.insertItemBefore 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.numberOfItems 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.removeItem 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.SVGNumberList.replaceItem 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
api.StorageEvent.StorageEvent	Chrome	2/8/2012	Safari	7/25/2012	168
api.TransitionEvent.elapsedTime 📋	Chrome	5/21/2009	Safari	7/25/2012	1161
api.TransitionEvent.propertyName 📋	Chrome	5/21/2009	Safari	7/25/2012	1161
api.WebSocket.binaryType 📋	Chrome	10/25/2011	Safari	7/25/2012	274
api.WebSocket.extensions 📋	Firefox	11/8/2011	Safari	7/25/2012	260
api.WebSocket.protocol 📋	Firefox	9/27/2011	Safari	7/25/2012	302
api.WebSocket.protocol_rfc_6455	Chrome	12/13/2011	Safari	7/25/2012	225
api.WebSocket.url 📋	Firefox	9/27/2011	Safari	7/25/2012	302
api.XMLHttpRequest.send.body_ArrayBuffer_type	Chrome	2/3/2011	Safari	7/25/2012	538
api.XMLHttpRequest.send.body_FormData_type	Firefox	10/24/2006	Safari	7/25/2012	2101
css.properties.border-image-width 📋	Chrome	12/13/2011	Safari	7/25/2012	225
css.properties.flood-color 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
css.properties.flood-opacity 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
css.properties.image-rendering 📋	Firefox	1/21/2010	Safari	7/25/2012	916
css.properties.image-rendering.auto 📋	Firefox	1/21/2010	Safari	7/25/2012	916
css.properties.lighting-color 📋	Firefox	6/17/2008	Safari	7/25/2012	1499
css.properties.text-rendering.geometricPrecision	Firefox	11/9/2004	Safari	7/25/2012	2815
css.types.easing-function.cubic-bezier 📋	Firefox	3/22/2011	Safari	7/25/2012	491
html.elements.a.ping 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
html.elements.area.ping 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
html.elements.audio.muted 📋	Chrome	10/25/2011	Safari	7/25/2012	274
html.elements.bdi 📋	Chrome	12/13/2011	Safari	7/25/2012	225
html.elements.dfn 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
html.elements.fieldset.disabled 📋	Firefox	3/22/2011	Safari	7/25/2012	491
html.elements.fieldset.name 📋	Firefox	3/22/2011	Safari	7/25/2012	491
html.elements.form.autocomplete 📋	Firefox	3/22/2011	Safari	7/25/2012	491
html.elements.img.crossorigin 📋	Chrome	8/2/2011	Safari	7/25/2012	358
html.elements.input.autocomplete 📋	Firefox	3/22/2011	Safari	7/25/2012	491
html.elements.progress 📋	Chrome	9/2/2010	Safari	7/25/2012	692
html.elements.progress.max 📋	Chrome	9/2/2010	Safari	7/25/2012	692
html.elements.progress.value 📋	Chrome	9/2/2010	Safari	7/25/2012	692
html.elements.script.crossorigin 📋	Chrome	5/15/2012	Safari	7/25/2012	71
html.elements.textarea.wrap 📋	Firefox	3/22/2011	Safari	7/25/2012	491
javascript.builtins.Error.stack	Firefox	11/9/2004	Safari	7/25/2012	2815
javascript.builtins.Function.apply.generic_arrays_as_arguments	Firefox	3/22/2011	Safari	7/25/2012	491
javascript.builtins.Function.name 📋	Firefox	11/9/2004	Safari	7/25/2012	2815
api.HTMLImageElement.x 📋	Safari	10/26/2007	Firefox	7/17/2012	1726
api.HTMLImageElement.y 📋	Safari	10/26/2007	Firefox	7/17/2012	1726

2012/6

API	First Browser	Date	Last Browser	Date	Days
api.StorageEvent 📋	Chrome	12/11/2008	Firefox	6/5/2012	1272
api.StorageEvent.initStorageEvent 📋	Safari	6/8/2009	Firefox	6/5/2012	1093
api.StorageEvent.key 📋	Chrome	12/11/2008	Firefox	6/5/2012	1272
api.StorageEvent.newValue 📋	Chrome	12/11/2008	Firefox	6/5/2012	1272
api.StorageEvent.oldValue 📋	Chrome	12/11/2008	Firefox	6/5/2012	1272
api.StorageEvent.storageArea 📋	Safari	6/8/2009	Firefox	6/5/2012	1093
api.StorageEvent.url 📋	Safari	6/7/2010	Firefox	6/5/2012	729
css.properties.background-repeat.2-value	Chrome	9/15/2009	Firefox	6/5/2012	994
css.types.angle.turn	Chrome	5/21/2009	Firefox	6/5/2012	1111

2012/4

API	First Browser	Date	Last Browser	Date	Days
api.Document.createTreeWalker.whatToShow_filter_parameters_optional	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGAnimationElement.requiredExtensions 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGAnimationElement.systemLanguage 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGGraphicsElement.requiredExtensions 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGGraphicsElement.systemLanguage 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.appendItem 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.clear 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.getItem 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.initialize 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.insertItemBefore 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.numberOfItems 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.removeItem 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
api.SVGStringList.replaceItem 📋	Safari	10/26/2007	Firefox	4/24/2012	1642
javascript.builtins.ArrayBuffer.slice 📋	Safari	7/20/2011	Firefox	4/24/2012	279

2012/3

API	First Browser	Date	Last Browser	Date	Days
api.Element.compositionupdate_event 📋	Safari	6/7/2010	Chrome	3/28/2012	660
api.XMLHttpRequest.loadend_event 📋	Safari	6/8/2009	Chrome	3/28/2012	1024
api.XMLHttpRequestUpload.loadend_event 📋	Safari	6/8/2009	Chrome	3/28/2012	1024
css.properties.max-height 📋	Firefox	11/9/2004	Chrome	3/28/2012	2696
css.properties.max-height.none 📋	Firefox	11/9/2004	Chrome	3/28/2012	2696
api.Element.outerHTML 📋	Safari	4/15/2005	Firefox	3/13/2012	2524
api.HTMLMediaElement.loop 📋	Safari	6/8/2009	Firefox	3/13/2012	1009
api.PageTransitionEvent.persisted 📋	Chrome	1/25/2010	Firefox	3/13/2012	778
api.WebSocket 📋	Chrome	5/25/2010	Firefox	3/13/2012	658
api.WebSocket.WebSocket 📋	Chrome	5/25/2010	Firefox	3/13/2012	658
html.elements.audio.loop 📋	Safari	3/18/2008	Firefox	3/13/2012	1456
html.elements.video.loop 📋	Safari	3/18/2008	Firefox	3/13/2012	1456

2012/1

API	First Browser	Date	Last Browser	Date	Days
api.DOMParser.parseFromString.svg	Safari	10/26/2007	Firefox	1/31/2012	1558
api.Event.stopImmediatePropagation 📋	Chrome	5/25/2010	Firefox	1/31/2012	616
api.console.timeEnd_static 📋	Chrome	5/21/2009	Firefox	1/31/2012	985
api.console.time_static 📋	Chrome	5/21/2009	Firefox	1/31/2012	985
css.properties.perspective.none 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.perspective-origin.bottom 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.perspective-origin.center 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.perspective-origin.left 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.perspective-origin.right 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.perspective-origin.top 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.properties.transform-origin.three_value_syntax	Safari	6/7/2010	Firefox	1/31/2012	603
css.types.transform-function.matrix3d 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.perspective 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.rotate3d 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.rotateX 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.rotateY 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.rotateZ 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.scale3d 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.scaleZ 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.translate3d 📋	Safari	6/8/2009	Firefox	1/31/2012	967
css.types.transform-function.translateZ 📋	Safari	6/8/2009	Firefox	1/31/2012	967
html.elements.a.href.href_top	Chrome	12/11/2008	Firefox	1/31/2012	1146
html.elements.bdo 📋	Safari	6/8/2009	Firefox	1/31/2012	967

2011/12

API	First Browser	Date	Last Browser	Date	Days
api.CompositionEvent 📋	Safari	6/7/2010	Firefox	12/20/2011	561
api.CompositionEvent.data 📋	Safari	6/7/2010	Firefox	12/20/2011	561
api.CompositionEvent.initCompositionEvent 📋	Safari	6/7/2010	Firefox	12/20/2011	561
api.Element.compositionend_event 📋	Safari	6/7/2010	Firefox	12/20/2011	561
api.Element.compositionstart_event 📋	Safari	6/7/2010	Firefox	12/20/2011	561
api.HTMLElement.drag_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.dragend_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.dragenter_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.dragleave_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.dragover_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.dragstart_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLElement.drop_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.HTMLMediaElement.abort_event 📋	Safari	3/18/2008	Firefox	12/20/2011	1372
api.Node.contains 📋	Safari	10/24/2003	Firefox	12/20/2011	2979
api.Node.ownerDocument 📋	Safari	6/23/2003	Firefox	12/20/2011	3102
api.Node.parentElement 📋	Safari	10/24/2003	Firefox	12/20/2011	2979
api.Window.offline_event 📋	Safari	6/8/2009	Firefox	12/20/2011	925
api.Window.online_event 📋	Safari	6/8/2009	Firefox	12/20/2011	925
api.console.groupCollapsed_static 📋	Chrome	9/2/2010	Firefox	12/20/2011	474
api.console.groupEnd_static 📋	Chrome	5/21/2009	Firefox	12/20/2011	943
api.console.group_static 📋	Chrome	5/21/2009	Firefox	12/20/2011	943
api.console.substitution_strings	Safari	10/26/2007	Firefox	12/20/2011	1516

2011/11

API	First Browser	Date	Last Browser	Date	Days
api.Element.insertAdjacentHTML 📋	Chrome	12/11/2008	Firefox	11/8/2011	1062
api.HTMLMediaElement.seekable 📋	Safari	3/18/2008	Firefox	11/8/2011	1330
api.console.dir_static 📋	Chrome	5/21/2009	Firefox	11/8/2011	901

2011/10

API	First Browser	Date	Last Browser	Date	Days
css.properties.clip-rule 📋	Firefox	6/30/2009	Chrome	10/25/2011	847
css.properties.clip-rule.evenodd 📋	Firefox	6/30/2009	Chrome	10/25/2011	847
css.properties.clip-rule.nonzero 📋	Firefox	6/30/2009	Chrome	10/25/2011	847

2011/9

API	First Browser	Date	Last Browser	Date	Days
api.File 📋	Safari	6/8/2009	Firefox	9/27/2011	841
api.HTMLOptionElement.label 📋	Safari	10/26/2007	Firefox	9/27/2011	1432
api.WebSocket.bufferedAmount 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.close 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.close_event 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.error_event 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.message_event 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.open_event 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
api.WebSocket.readyState 📋	Chrome	5/25/2010	Firefox	9/27/2011	490
css.properties.text-overflow 📋	Safari	4/15/2005	Firefox	9/27/2011	2356
css.properties.text-overflow.clip 📋	Safari	4/15/2005	Firefox	9/27/2011	2356
css.properties.text-overflow.ellipsis 📋	Safari	4/15/2005	Firefox	9/27/2011	2356
css.properties.table-layout 📋	Safari	6/23/2003	Chrome	9/16/2011	3007

2011/8

API	First Browser	Date	Last Browser	Date	Days
api.CustomEvent 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.CustomEvent.detail 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.CustomEvent.initCustomEvent 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.DOMStringMap 📋	Chrome	10/19/2010	Firefox	8/16/2011	301
api.Document.scroll_event 📋	Safari	4/29/2005	Firefox	8/16/2011	2300
api.Element.click_event 📋	Safari	10/26/2007	Firefox	8/16/2011	1390
api.Element.contextmenu_event 📋	Safari	10/26/2007	Firefox	8/16/2011	1390
api.Element.dblclick_event 📋	Safari	10/26/2007	Firefox	8/16/2011	1390
api.Element.input_event 📋	Safari	3/18/2008	Firefox	8/16/2011	1246
api.Element.keydown_event 📋	Safari	2/2/2004	Firefox	8/16/2011	2752
api.Element.keypress_event 📋	Safari	4/15/2005	Firefox	8/16/2011	2314
api.Element.keyup_event 📋	Safari	2/2/2004	Firefox	8/16/2011	2752
api.Element.mousedown_event 📋	Chrome	5/21/2009	Firefox	8/16/2011	817
api.Element.mousemove_event 📋	Chrome	5/21/2009	Firefox	8/16/2011	817
api.Element.mouseout_event 📋	Safari	6/23/2003	Firefox	8/16/2011	2976
api.Element.mouseover_event 📋	Chrome	5/21/2009	Firefox	8/16/2011	817
api.Element.mouseup_event 📋	Chrome	5/21/2009	Firefox	8/16/2011	817
api.Element.scroll_event 📋	Safari	4/15/2005	Firefox	8/16/2011	2314
api.Event.defaultPrevented 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.EventSource 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.EventSource 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.close 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.error_event 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.message_event 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.open_event 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventSource.readyState 📋	Safari	6/7/2010	Firefox	8/16/2011	435
api.EventTarget.addEventListener.useCapture_parameter_optional	Safari	6/23/2003	Firefox	8/16/2011	2976
api.EventTarget.removeEventListener.useCapture_parameter_optional	Safari	6/23/2003	Firefox	8/16/2011	2976
api.HTMLElement.dataset 📋	Chrome	10/19/2010	Firefox	8/16/2011	301
api.HTMLFormElement.reset_event 📋	Safari	10/26/2007	Firefox	8/16/2011	1390
api.HTMLInputElement.select_event 📋	Safari	6/23/2003	Firefox	8/16/2011	2976
api.HTMLMediaElement.error_event 📋	Safari	3/18/2008	Firefox	8/16/2011	1246
api.HTMLMediaElement.loadstart_event 📋	Safari	6/8/2009	Firefox	8/16/2011	799
api.HTMLMediaElement.progress_event 📋	Safari	3/18/2008	Firefox	8/16/2011	1246
api.HTMLMediaElement.volumechange_event 📋	Safari	3/18/2008	Firefox	8/16/2011	1246
api.HTMLMediaElement.waiting_event 📋	Safari	3/18/2008	Firefox	8/16/2011	1246
api.HTMLTextAreaElement.select_event 📋	Safari	6/23/2003	Firefox	8/16/2011	2976
api.HashChangeEvent.newURL 📋	Chrome	12/2/2010	Firefox	8/16/2011	257
api.HashChangeEvent.oldURL 📋	Chrome	12/2/2010	Firefox	8/16/2011	257
api.MediaQueryList 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.MediaQueryList.addListener 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.MediaQueryList.matches 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.MediaQueryList.media 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.MediaQueryList.removeListener 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.Window.blur_event 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.Window.error_event 📋	Chrome	3/8/2011	Firefox	8/16/2011	161
api.Window.focus_event 📋	Chrome	5/25/2010	Firefox	8/16/2011	448
api.Window.matchMedia 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.Window.pagehide_event 📋	Chrome	9/15/2009	Firefox	8/16/2011	700
api.Window.pageshow_event 📋	Chrome	9/15/2009	Firefox	8/16/2011	700
api.XMLHttpRequest.response 📋	Chrome	2/3/2011	Firefox	8/16/2011	194
api.console.trace_static 📋	Chrome	5/21/2009	Firefox	8/16/2011	817
css.selectors.indeterminate.progress	Chrome	9/2/2010	Firefox	8/16/2011	348
html.global_attributes.data_attributes 📋	Chrome	10/19/2010	Firefox	8/16/2011	301

2011/7

API	First Browser	Date	Last Browser	Date	Days
api.DOMStringList 📋	Firefox	11/9/2004	Safari	7/20/2011	2444
api.DOMStringList.contains 📋	Firefox	11/29/2005	Safari	7/20/2011	2059
api.DOMStringList.item 📋	Firefox	11/9/2004	Safari	7/20/2011	2444
api.DOMStringList.length 📋	Firefox	11/9/2004	Safari	7/20/2011	2444
api.DOMTokenList 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.add 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.contains 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.item 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.length 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.remove 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.toString 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.DOMTokenList.toggle 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.Document.readystatechange_event 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLAnchorElement.ping 📋	Firefox	11/9/2004	Safari	7/20/2011	2444
api.HTMLAreaElement.ping 📋	Firefox	11/9/2004	Safari	7/20/2011	2444
api.HTMLButtonElement.formAction 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLButtonElement.formEnctype 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLButtonElement.formMethod 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLButtonElement.formTarget 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLCanvasElement.webglcontextlost_event 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLCanvasElement.webglcontextrestored_event 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLElement.hidden 📋	Chrome	9/2/2010	Safari	7/20/2011	321
api.HTMLElement.spellcheck 📋	Firefox	10/24/2006	Safari	7/20/2011	1730
api.HTMLLabelElement.control 📋	Chrome	9/2/2010	Safari	7/20/2011	321
api.HTMLObjectElement.checkValidity 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.HTMLObjectElement.setCustomValidity 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.HTMLObjectElement.validationMessage 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.HTMLObjectElement.validity 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.HTMLOutputElement 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.checkValidity 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.defaultValue 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.form 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.htmlFor 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.name 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.setCustomValidity 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.type 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.validationMessage 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.validity 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.value 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLOutputElement.willValidate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.HTMLScriptElement.async 📋	Firefox	1/21/2010	Safari	7/20/2011	545
api.HTMLSelectElement.required 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.SVGSVGElement.getElementById 📋	Firefox	11/29/2005	Safari	7/20/2011	2059
api.WebGLActiveInfo 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLActiveInfo.name 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLActiveInfo.size 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLActiveInfo.type 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLBuffer 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLFramebuffer 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLProgram 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLRenderbuffer 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLRenderingContext 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.activeTexture 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.attachShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bindAttribLocation 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bindBuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bindFramebuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bindRenderbuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bindTexture 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.blendColor 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.blendEquation 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.blendEquationSeparate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.blendFunc 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.blendFuncSeparate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bufferData 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.bufferSubData 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.canvas 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.checkFramebufferStatus 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.clear 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.clearColor 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.clearDepth 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.clearStencil 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.colorMask 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.compileShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.compressedTexImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.compressedTexSubImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.copyTexImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.copyTexSubImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createBuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createFramebuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createRenderbuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.createTexture 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.cullFace 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteBuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteFramebuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteRenderbuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.deleteTexture 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.depthFunc 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.depthMask 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.depthRange 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.detachShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.disable 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.disableVertexAttribArray 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.drawArrays 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.drawElements 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.drawingBufferHeight 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.drawingBufferWidth 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.enable 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.enableVertexAttribArray 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.finish 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.flush 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.framebufferRenderbuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.framebufferTexture2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.frontFace 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.generateMipmap 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getActiveAttrib 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getActiveUniform 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getAttachedShaders 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getAttribLocation 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getBufferParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getContextAttributes 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getError 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getExtension 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getFramebufferAttachmentParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getProgramInfoLog 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getProgramParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getRenderbufferParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getShaderInfoLog 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getShaderParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getShaderPrecisionFormat 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getShaderSource 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getSupportedExtensions 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getTexParameter 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getUniform 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getUniformLocation 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getVertexAttrib 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.getVertexAttribOffset 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.hint 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isBuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isContextLost 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isEnabled 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isFramebuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isRenderbuffer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isShader 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.isTexture 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.lineWidth 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.linkProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.pixelStorei 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.polygonOffset 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.readPixels 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.renderbufferStorage 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.sampleCoverage 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.scissor 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.shaderSource 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilFunc 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilFuncSeparate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilMask 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilMaskSeparate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilOp 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.stencilOpSeparate 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.texImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.texParameterf 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.texParameteri 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.texSubImage2D 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform1f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform1fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform1i 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform1iv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform2f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform2fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform2i 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform2iv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform3f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform3fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform3i 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform3iv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform4f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform4fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform4i 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniform4iv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniformMatrix2fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniformMatrix3fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.uniformMatrix4fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.useProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.validateProgram 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib1f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib1fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib2f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib2fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib3f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib3fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib4f 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttrib4fv 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.vertexAttribPointer 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLRenderingContext.viewport 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLShader 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLShaderPrecisionFormat 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLShaderPrecisionFormat.precision 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLShaderPrecisionFormat.rangeMax 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLShaderPrecisionFormat.rangeMin 📋	Chrome	2/3/2011	Safari	7/20/2011	167
api.WebGLTexture 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.WebGLUniformLocation 📋	Chrome	3/8/2011	Safari	7/20/2011	134
api.Window.getComputedStyle.pseudo_element_support	Firefox	6/30/2009	Safari	7/20/2011	750
css.at-rules.font-face.WOFF 📋	Firefox	6/30/2009	Safari	7/20/2011	750
css.properties.border-radius.percentages	Chrome	12/2/2010	Safari	7/20/2011	230
css.properties.box-shadow 📋	Chrome	3/8/2011	Safari	7/20/2011	134
css.types.easing-function.steps 📋	Chrome	12/2/2010	Safari	7/20/2011	230
html.elements.button.form	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.button.formaction	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.button.formenctype	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.button.formmethod	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.button.formnovalidate	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.button.formtarget	Chrome	2/3/2011	Safari	7/20/2011	167
html.elements.figcaption 📋	Chrome	12/2/2010	Safari	7/20/2011	230
html.elements.figure 📋	Chrome	12/2/2010	Safari	7/20/2011	230
html.elements.mark 📋	Chrome	10/19/2010	Safari	7/20/2011	274
html.elements.select.required 📋	Chrome	3/8/2011	Safari	7/20/2011	134
html.elements.textarea.spellcheck	Firefox	10/24/2006	Safari	7/20/2011	1730
html.global_attributes.hidden 📋	Chrome	3/8/2011	Safari	7/20/2011	134
html.global_attributes.spellcheck 📋	Firefox	10/24/2006	Safari	7/20/2011	1730
javascript.builtins.ArrayBuffer 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.ArrayBuffer.ArrayBuffer 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.ArrayBuffer.byteLength 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Date.parse.iso_8601	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Float32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Float32Array.Float32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Float64Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Float64Array.Float64Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Function.bind 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int16Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int16Array.Int16Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int32Array.Int32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int8Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Int8Array.Int8Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Object.defineProperty 📋	Chrome	5/25/2010	Safari	7/20/2011	421
javascript.builtins.Object.freeze 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Object.isExtensible 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Object.isFrozen 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Object.isSealed 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Object.preventExtensions 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.Object.seal 📋	Chrome	9/2/2010	Safari	7/20/2011	321
javascript.builtins.TypedArray 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.BYTES_PER_ELEMENT 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.buffer 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.byteLength 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.byteOffset 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.length 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.name 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.set 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.TypedArray.subarray 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint16Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint16Array.Uint16Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint32Array.Uint32Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint8Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint8Array.Uint8Array 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint8ClampedArray 📋	Chrome	10/19/2010	Safari	7/20/2011	274
javascript.builtins.Uint8ClampedArray.Uint8ClampedArray 📋	Chrome	10/19/2010	Safari	7/20/2011	274

2011/6

API	First Browser	Date	Last Browser	Date	Days
api.CSSKeyframeRule.keyText 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.CSSKeyframeRule.style 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.CSSKeyframesRule.cssRules 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.CSSKeyframesRule.deleteRule 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.CSSKeyframesRule.findRule 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.CSSKeyframesRule.name 📋	Chrome	12/11/2008	Firefox	6/21/2011	922
api.console.debug_static 📋	Chrome	5/21/2009	Firefox	6/21/2011	761
css.properties.animation-direction.alternate 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.animation-direction.normal 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.animation-fill-mode.backwards 📋	Chrome	9/15/2009	Firefox	6/21/2011	644
css.properties.animation-fill-mode.both 📋	Chrome	9/15/2009	Firefox	6/21/2011	644
css.properties.animation-fill-mode.forwards 📋	Chrome	9/15/2009	Firefox	6/21/2011	644
css.properties.animation-fill-mode.none 📋	Chrome	9/15/2009	Firefox	6/21/2011	644
css.properties.animation-iteration-count.infinite 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.animation-name.none 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.animation-play-state.paused 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.animation-play-state.running 📋	Safari	6/8/2009	Firefox	6/21/2011	743
css.properties.resize.block_level_support	Safari	6/8/2009	Firefox	6/21/2011	743

2011/3

API	First Browser	Date	Last Browser	Date	Days
api.DOMImplementation.createHTMLDocument 📋	Safari	6/23/2003	Firefox	3/22/2011	2829
api.FormData 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.FormData.FormData 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.FormData.append 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLButtonElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLButtonElement.formNoValidate 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLButtonElement.setCustomValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLButtonElement.validationMessage 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLButtonElement.validity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLButtonElement.willValidate 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.HTMLElement.isContentEditable 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.HTMLFieldSetElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLFieldSetElement.setCustomValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLFieldSetElement.validationMessage 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLFieldSetElement.validity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLFieldSetElement.willValidate 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.HTMLFormElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLFormElement.noValidate 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.formAction 📋	Safari	6/7/2010	Firefox	3/22/2011	288
api.HTMLInputElement.formEnctype 📋	Safari	6/7/2010	Firefox	3/22/2011	288
api.HTMLInputElement.formMethod 📋	Safari	6/7/2010	Firefox	3/22/2011	288
api.HTMLInputElement.formNoValidate 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.formTarget 📋	Safari	6/7/2010	Firefox	3/22/2011	288
api.HTMLInputElement.invalid_event 📋	Safari	6/7/2010	Firefox	3/22/2011	288
api.HTMLInputElement.pattern 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.placeholder 📋	Safari	6/8/2009	Firefox	3/22/2011	652
api.HTMLInputElement.required 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.setCustomValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.validationMessage 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLInputElement.validity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLInputElement.willValidate 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.HTMLMediaElement.buffered 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.HTMLMediaElement.preload 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLObjectElement.willValidate 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLOptionsCollection.remove 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.HTMLSelectElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLSelectElement.setCustomValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLSelectElement.validationMessage 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLSelectElement.validity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLSelectElement.willValidate 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.HTMLTextAreaElement.checkValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.maxLength 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.placeholder 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.required 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.setCustomValidity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.validationMessage 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.HTMLTextAreaElement.validity 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.HTMLTextAreaElement.willValidate 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.History.pushState 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.History.replaceState 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.MediaError 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.Range.getBoundingClientRect 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.Range.getClientRects 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.SVGAElement.href 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.SVGAnimateElement 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.SVGAnimateTransformElement 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.SVGAnimationElement 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.SVGAnimationElement.beginElement 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.beginElementAt 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.endElement 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.endElementAt 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.getCurrentTime 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.getSimpleDuration 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.getStartTime 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGAnimationElement.targetElement 📋	Chrome	5/21/2009	Firefox	3/22/2011	670
api.SVGElement.load_event 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.SVGSetElement 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.Selection.modify 📋	Safari	4/15/2005	Firefox	3/22/2011	2167
api.TimeRanges 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.TimeRanges.end 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.TimeRanges.length 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.TimeRanges.start 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
api.TreeWalker 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.currentNode 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.filter 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.firstChild 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.lastChild 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.nextNode 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.nextSibling 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.parentNode 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.previousNode 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.previousSibling 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.root 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.TreeWalker.whatToShow 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.ValidityState 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.customError 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.patternMismatch 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.rangeOverflow 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.rangeUnderflow 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.stepMismatch 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.tooLong 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.typeMismatch 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.valid 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.ValidityState.valueMissing 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
api.Window.popstate_event 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
api.WorkerGlobalScope.importScripts 📋	Safari	6/8/2009	Firefox	3/22/2011	652
api.console 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.console.error_static 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.console.info_static 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.console.log_static 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
api.console.warn_static 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background.SVG_image_as_background	Safari	3/18/2008	Firefox	3/22/2011	1099
css.properties.background-clip 📋	Chrome	12/11/2008	Firefox	3/22/2011	831
css.properties.background-clip.border-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-clip.content-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-clip.padding-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-image.svg_images	Safari	6/7/2010	Firefox	3/22/2011	288
css.properties.background-origin 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-origin.border-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-origin.content-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-origin.padding-box 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.background-size 📋	Chrome	9/15/2009	Firefox	3/22/2011	553
css.properties.border-bottom-left-radius 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-bottom-left-radius.percentages	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-bottom-right-radius 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-bottom-right-radius.percentages	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-radius 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-radius.4_values_for_4_corners	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-radius.elliptical_borders	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.border-top-left-radius 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-top-left-radius.percentages	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-top-right-radius 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.border-top-right-radius.percentages	Chrome	1/25/2010	Firefox	3/22/2011	421
css.properties.resize 📋	Safari	10/26/2007	Firefox	3/22/2011	1243
css.properties.transition-property.all 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
css.properties.transition-property.none 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
css.selectors.default 📋	Safari	6/7/2010	Firefox	3/22/2011	288
css.selectors.invalid 📋	Safari	6/7/2010	Firefox	3/22/2011	288
css.selectors.optional 📋	Safari	6/7/2010	Firefox	3/22/2011	288
css.selectors.required 📋	Safari	6/7/2010	Firefox	3/22/2011	288
css.selectors.valid 📋	Safari	6/7/2010	Firefox	3/22/2011	288
css.selectors.visited.privacy_measures	Safari	6/7/2010	Firefox	3/22/2011	288
css.types.easing-function 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
css.types.time 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
html.elements.article 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.aside 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.audio.preload 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
html.elements.base.href.relative_url	Safari	10/26/2007	Firefox	3/22/2011	1243
html.elements.footer 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.header 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.hgroup 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.input.formaction 📋	Safari	6/7/2010	Firefox	3/22/2011	288
html.elements.input.formenctype 📋	Safari	6/7/2010	Firefox	3/22/2011	288
html.elements.input.formmethod 📋	Safari	6/7/2010	Firefox	3/22/2011	288
html.elements.input.formnovalidate 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.input.formtarget 📋	Safari	6/7/2010	Firefox	3/22/2011	288
html.elements.input.pattern 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.input.placeholder 📋	Safari	6/8/2009	Firefox	3/22/2011	652
html.elements.input.required 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.input.type_search 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.input.type_tel 📋	Safari	6/8/2009	Firefox	3/22/2011	652
html.elements.nav 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.plaintext 📋	Chrome	12/11/2008	Firefox	3/22/2011	831
html.elements.section 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
html.elements.textarea.maxlength 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.textarea.placeholder 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.textarea.required 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
html.elements.video.preload 📋	Safari	3/18/2008	Firefox	3/22/2011	1099
javascript.builtins.Array.isArray 📋	Chrome	1/25/2010	Firefox	3/22/2011	421
javascript.builtins.Object.create 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
javascript.builtins.Object.defineProperties 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
javascript.builtins.Object.getOwnPropertyDescriptor 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
javascript.builtins.Object.getOwnPropertyNames 📋	Chrome	5/25/2010	Firefox	3/22/2011	301
javascript.builtins.Object.keys 📋	Chrome	5/25/2010	Firefox	3/22/2011	301

2010/12

API	First Browser	Date	Last Browser	Date	Days
api.HashChangeEvent 📋	Firefox	1/21/2010	Chrome	12/2/2010	315
api.Window.hashchange_event 📋	Firefox	1/21/2010	Chrome	12/2/2010	315

2010/9

API	First Browser	Date	Last Browser	Date	Days
api.SVGAnimatedBoolean 📋	Firefox	6/17/2008	Chrome	9/2/2010	807
api.SVGAnimatedInteger 📋	Firefox	6/17/2008	Chrome	9/2/2010	807
api.SVGAnimatedNumberList 📋	Firefox	11/29/2005	Chrome	9/2/2010	1738
api.SVGNumberList 📋	Firefox	11/29/2005	Chrome	9/2/2010	1738
css.properties.list-style-type.ethiopic-halehame-ti-er	Firefox	11/9/2004	Chrome	9/2/2010	2123
css.properties.list-style-type.ethiopic-halehame-ti-et	Firefox	11/9/2004	Chrome	9/2/2010	2123
css.properties.list-style-type.hangul	Firefox	11/9/2004	Chrome	9/2/2010	2123
css.properties.list-style-type.hangul-consonant	Firefox	11/9/2004	Chrome	9/2/2010	2123

2010/6

API	First Browser	Date	Last Browser	Date	Days
api.DataTransfer.setData 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.Geolocation 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.Geolocation.clearWatch 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.Geolocation.getCurrentPosition 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.Geolocation.watchPosition 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.accuracy 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.altitude 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.altitudeAccuracy 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.heading 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.latitude 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.longitude 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationCoordinates.speed 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationPosition.coords 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationPosition.timestamp 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationPositionError.code 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.GeolocationPositionError.message 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.HTMLElement.draggable 📋	Firefox	10/24/2006	Safari	6/7/2010	1322
api.HTMLTextAreaElement.textLength 📋	Firefox	11/9/2004	Safari	6/7/2010	2036
api.Navigator.geolocation 📋	Firefox	6/30/2009	Safari	6/7/2010	342
api.PageTransitionEvent 📋	Firefox	11/29/2005	Safari	6/7/2010	1651
api.SVGAnimatedPreserveAspectRatio 📋	Firefox	11/29/2005	Safari	6/7/2010	1651
css.at-rules.media.aspect-ratio 📋	Firefox	6/30/2009	Safari	6/7/2010	342
css.at-rules.media.orientation 📋	Firefox	10/24/2006	Safari	6/7/2010	1322
css.properties.background-size.contain 📋	Chrome	9/15/2009	Safari	6/7/2010	265
css.properties.background-size.cover 📋	Chrome	9/15/2009	Safari	6/7/2010	265
css.properties.box-shadow.inset	Chrome	12/11/2008	Safari	6/7/2010	543
css.properties.box-shadow.spread_radius	Chrome	12/11/2008	Safari	6/7/2010	543
css.properties.cursor.none 📋	Firefox	6/17/2008	Safari	6/7/2010	720
css.properties.list-style-type.cjk-ideographic 📋	Firefox	11/9/2004	Safari	6/7/2010	2036
css.properties.text-rendering 📋	Firefox	11/9/2004	Safari	6/7/2010	2036
css.properties.text-rendering.auto	Firefox	11/9/2004	Safari	6/7/2010	2036
css.types.length.rem	Firefox	1/21/2010	Safari	6/7/2010	137
css.types.ratio 📋	Firefox	6/30/2009	Safari	6/7/2010	342
html.elements.input.type_email 📋	Firefox	11/9/2004	Safari	6/7/2010	2036
html.global_attributes.draggable 📋	Firefox	10/24/2006	Safari	6/7/2010	1322
javascript.builtins.Object.getPrototypeOf 📋	Firefox	6/30/2009	Safari	6/7/2010	342
javascript.builtins.String.trim 📋	Firefox	6/30/2009	Safari	6/7/2010	342
javascript.statements.debugger 📋	Firefox	11/9/2004	Safari	6/7/2010	2036
javascript.statements.empty 📋	Firefox	11/9/2004	Safari	6/7/2010	2036

2010/1

API	First Browser	Date	Last Browser	Date	Days
api.DedicatedWorkerGlobalScope 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.DedicatedWorkerGlobalScope.close 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.DedicatedWorkerGlobalScope.message_event 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.DedicatedWorkerGlobalScope.postMessage 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.EventTarget.dispatchEvent 📋	Firefox	10/24/2006	Chrome	1/25/2010	1189
api.HTMLAudioElement.Audio 📋	Safari	3/18/2008	Chrome	1/25/2010	678
api.MessageEvent.ports 📋	Firefox	6/17/2008	Chrome	1/25/2010	587
api.Storage 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.clear 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.getItem 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.key 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.length 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.removeItem 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Storage.setItem 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Window.localStorage 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Window.sessionStorage 📋	Firefox	10/24/2006	Chrome	1/25/2010	1189
api.Worker.Worker 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Worker.error_event 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.Worker.message_event 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerGlobalScope 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerGlobalScope.error_event 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerGlobalScope.location 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerGlobalScope.navigator 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerGlobalScope.self 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.hash 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.host 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.hostname 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.href 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.pathname 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.port 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.protocol 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.search 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerLocation.toString 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator.appName 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator.appVersion 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator.onLine 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator.platform 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.WorkerNavigator.userAgent 📋	Safari	6/8/2009	Chrome	1/25/2010	231
api.XMLHttpRequest.worker_support	Safari	6/8/2009	Chrome	1/25/2010	231
api.atob 📋	Firefox	11/9/2004	Chrome	1/25/2010	1903
api.btoa 📋	Firefox	11/9/2004	Chrome	1/25/2010	1903
css.at-rules.font-face.font-family 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.at-rules.font-face.font-style 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.at-rules.font-face.font-variant	Safari	3/18/2008	Chrome	1/25/2010	678
css.at-rules.font-face.font-weight 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.at-rules.font-face.src 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.selectors.first-child 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.selectors.nth-last-child 📋	Safari	3/18/2008	Chrome	1/25/2010	678
css.selectors.nth-last-of-type 📋	Safari	3/18/2008	Chrome	1/25/2010	678
html.elements.link.rel.icon	Firefox	10/24/2006	Chrome	1/25/2010	1189
api.DataTransfer.files 📋	Safari	6/8/2009	Firefox	1/21/2010	227
api.Document.readyState 📋	Safari	6/23/2003	Firefox	1/21/2010	2404
api.HTMLInputElement.indeterminate 📋	Safari	10/26/2007	Firefox	1/21/2010	818
api.HTMLInputElement.multiple 📋	Chrome	5/21/2009	Firefox	1/21/2010	245
api.HTMLVideoElement.poster 📋	Safari	3/18/2008	Firefox	1/21/2010	674
css.properties.background.multiple_backgrounds	Safari	4/15/2005	Firefox	1/21/2010	1742
css.properties.background-attachment.multiple_backgrounds	Safari	4/15/2005	Firefox	1/21/2010	1742
css.properties.background-image.gradients 📋	Chrome	12/11/2008	Firefox	1/21/2010	406
css.properties.background-image.multiple_backgrounds	Safari	4/15/2005	Firefox	1/21/2010	1742
css.properties.background-position.multiple_backgrounds	Safari	4/15/2005	Firefox	1/21/2010	1742
css.properties.background-repeat.multiple_backgrounds	Safari	4/15/2005	Firefox	1/21/2010	1742
css.properties.background-size.auto 📋	Safari	10/26/2007	Firefox	1/21/2010	818
css.properties.pointer-events.html_elements	Chrome	5/21/2009	Firefox	1/21/2010	245
css.selectors.indeterminate.checkbox	Safari	10/26/2007	Firefox	1/21/2010	818
css.types.angle 📋	Chrome	5/21/2009	Firefox	1/21/2010	245
css.types.angle.deg	Chrome	5/21/2009	Firefox	1/21/2010	245
css.types.angle.grad	Chrome	5/21/2009	Firefox	1/21/2010	245
css.types.angle.rad	Chrome	5/21/2009	Firefox	1/21/2010	245
css.types.angle-percentage 📋	Chrome	5/21/2009	Firefox	1/21/2010	245
html.elements.input.multiple 📋	Chrome	5/21/2009	Firefox	1/21/2010	245
html.elements.script.async 📋	Chrome	12/11/2008	Firefox	1/21/2010	406
html.elements.video.poster 📋	Safari	3/18/2008	Firefox	1/21/2010	674

2009/9

API	First Browser	Date	Last Browser	Date	Days
api.DataTransfer 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.clearData 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.dropEffect 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.effectAllowed 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.getData 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.setDragImage 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.DataTransfer.types 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.HTMLAudioElement 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.autoplay 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.canPlayType 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.HTMLMediaElement.canplay_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.canplaythrough_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.controls 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.currentSrc 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.currentTime 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.duration 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.durationchange_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.emptied_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.ended 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.ended_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.error 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.load 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.loadeddata_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.loadedmetadata_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.muted 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.networkState 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.pause 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.pause_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.paused 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.play 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.play_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.playing_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.ratechange_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.readyState 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.seeked_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.seeking 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.seeking_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.src 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.stalled_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.suspend_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.timeupdate_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLMediaElement.volume 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLSourceElement 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLSourceElement.src 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLSourceElement.type 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement.height 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement.resize_event 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement.videoHeight 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement.videoWidth 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.HTMLVideoElement.width 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.MediaError.code 📋	Safari	3/18/2008	Chrome	9/15/2009	546
api.XMLHttpRequest.withCredentials 📋	Safari	6/8/2009	Chrome	9/15/2009	99
api.clearInterval.worker_support	Safari	6/8/2009	Chrome	9/15/2009	99
api.clearTimeout.worker_support	Safari	6/8/2009	Chrome	9/15/2009	99
api.setInterval.worker_support	Safari	6/8/2009	Chrome	9/15/2009	99
api.setTimeout.worker_support	Safari	6/8/2009	Chrome	9/15/2009	99
html.elements.audio 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.audio.controls 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.audio.src 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.source 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.source.src 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.source.type 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video.autoplay 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video.controls 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video.height 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video.src 📋	Safari	3/18/2008	Chrome	9/15/2009	546
html.elements.video.width 📋	Safari	3/18/2008	Chrome	9/15/2009	546
javascript.builtins.Array.reduce 📋	Firefox	6/17/2008	Chrome	9/15/2009	455
javascript.builtins.Array.reduceRight 📋	Firefox	6/17/2008	Chrome	9/15/2009	455
javascript.builtins.Date.toISOString 📋	Firefox	11/9/2004	Chrome	9/15/2009	1771
javascript.builtins.Date.toJSON 📋	Firefox	11/9/2004	Chrome	9/15/2009	1771
javascript.builtins.JSON 📋	Safari	6/8/2009	Chrome	9/15/2009	99
javascript.builtins.JSON.parse 📋	Safari	6/8/2009	Chrome	9/15/2009	99
javascript.builtins.JSON.stringify 📋	Safari	6/8/2009	Chrome	9/15/2009	99

2009/6

API	First Browser	Date	Last Browser	Date	Days
api.CSSFontFaceRule 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.CSSFontFaceRule.style 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.CanvasRenderingContext2D.createImageData 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.fillText 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.font 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.measureText 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.strokeText 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.textAlign 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.CanvasRenderingContext2D.textBaseline 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Document.querySelector 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.Document.querySelectorAll 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.DocumentFragment.querySelector 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.DocumentFragment.querySelectorAll 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.childElementCount 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.children 📋	Chrome	12/11/2008	Firefox	6/30/2009	201
api.Element.firstElementChild 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.lastElementChild 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.nextElementSibling 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.previousElementSibling 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Element.querySelector 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.Element.querySelectorAll 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.HTMLIFrameElement.getSVGDocument 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.HTMLObjectElement.getSVGDocument 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.HTMLScriptElement.defer 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.ImageData 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ImageData.data 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ImageData.height 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ImageData.width 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.NodeIterator 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.filter 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.nextNode 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.pointerBeforeReferenceNode 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.previousNode 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.referenceNode 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.root 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.NodeIterator.whatToShow 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.ProgressEvent 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ProgressEvent.lengthComputable 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ProgressEvent.loaded 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.ProgressEvent.total 📋	Safari	3/18/2008	Firefox	6/30/2009	469
api.Text.wholeText 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Worker 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Worker.postMessage 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.Worker.terminate 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequest.abort_event 📋	Safari	4/15/2005	Firefox	6/30/2009	1537
api.XMLHttpRequest.loadstart_event 📋	Safari	4/15/2005	Firefox	6/30/2009	1537
api.XMLHttpRequest.upload 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload.abort_event 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload.error_event 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload.load_event 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload.loadstart_event 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
api.XMLHttpRequestUpload.progress_event 📋	Chrome	5/21/2009	Firefox	6/30/2009	40
css.at-rules.font-face 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.properties.border-bottom-left-radius.elliptical_corners	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.border-bottom-right-radius.elliptical_corners	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.border-top-left-radius.elliptical_corners	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.border-top-right-radius.elliptical_corners	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.box-shadow.multiple_shadows	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-wrap.break-word 📋	Safari	6/23/2003	Firefox	6/30/2009	2199
css.properties.overflow-wrap.normal 📋	Safari	6/23/2003	Firefox	6/30/2009	2199
css.properties.overflow-x 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-x.auto 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-x.hidden 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-x.scroll 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-x.visible 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-y 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-y.auto 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-y.hidden 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-y.scroll 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.overflow-y.visible 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.properties.text-shadow 📋	Safari	10/24/2003	Firefox	6/30/2009	2076
css.properties.white-space.pre-line 📋	Safari	10/26/2007	Firefox	6/30/2009	613
css.selectors.first-of-type 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.selectors.last-of-type 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.selectors.nth-child 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.selectors.nth-of-type 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.selectors.only-of-type 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.matrix 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.rotate 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.scale 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.scaleX 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.scaleY 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.skew 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.skewX 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.skewY 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.translate 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.translateX 📋	Safari	3/18/2008	Firefox	6/30/2009	469
css.types.transform-function.translateY 📋	Safari	3/18/2008	Firefox	6/30/2009	469
html.elements.script.defer 📋	Safari	10/26/2007	Firefox	6/30/2009	613
api.CanvasRenderingContext2D.getImageData 📋	Firefox	10/24/2006	Safari	6/8/2009	958
api.CanvasRenderingContext2D.putImageData 📋	Firefox	10/24/2006	Safari	6/8/2009	958
api.CanvasRenderingContext2D.setTransform 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRect.height 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRect.width 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectList.item 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectList.length 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.bottom 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.height 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.left 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.right 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.top 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.DOMRectReadOnly.width 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.Document.elementFromPoint 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.Document.lastModified 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Document.location 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Document.styleSheets 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Document.title 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Element.getBoundingClientRect 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.Element.getClientRects 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.FileList 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.FileList.item 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.FileList.length 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.HTMLCanvasElement.toDataURL 📋	Firefox	10/24/2006	Safari	6/8/2009	958
api.HTMLInputElement.files 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.HTMLTableElement.insertRow 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.MessageEvent 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MessageEvent.data 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MessageEvent.initMessageEvent 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MessageEvent.lastEventId 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MessageEvent.origin 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MessageEvent.source 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.MimeTypeArray.item 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.MimeTypeArray.namedItem 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Navigator.onLine 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.Node.baseURI 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Node.compareDocumentPosition 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Plugin.item 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.Plugin.namedItem 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.PluginArray.item 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.PluginArray.namedItem 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
api.SVGRectElement.rx 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGRectElement.ry 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.angle 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.matrix 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setMatrix 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setRotate 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setScale 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setSkewX 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setSkewY 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.setTranslate 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.SVGTransform.type 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.TextMetrics 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.TextMetrics.width 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
api.Window.postMessage 📋	Firefox	6/17/2008	Safari	6/8/2009	356
api.clearTimeout 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
css.at-rules.charset 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
css.properties.pointer-events 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
css.properties.text-align.center 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
css.properties.text-align.left 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
css.properties.text-align.right 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
css.selectors.after 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
css.selectors.before 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
css.types.color.currentcolor 📋	Firefox	11/29/2005	Safari	6/8/2009	1287
html.elements.abbr 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.big 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.blockquote 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.blockquote.cite	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.alink	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.background	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.bgcolor	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.link	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.text	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.body.vlink	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.br.clear	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.button.disabled 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.button.name	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.button.type	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.button.value	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.caption 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.caption.align	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.center 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.cite 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.code 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.col 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.col.span 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.col.width 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.colgroup 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.colgroup.span 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.colgroup.width 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.dd 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.del 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.dir 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.dir.compact	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.dl 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.dt 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.em 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.align 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.height 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.name 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.src 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.embed.width 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.fieldset 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.font 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.font.color	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.font.face	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.font.size	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.hr.align	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.hr.noshade	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.hr.size	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.hr.width	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.iframe 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.iframe.src 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ins 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.kbd 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.label 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.label.for 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.legend.align	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.li.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.li.value 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.charset 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.disabled 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.href 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.hreflang 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.media 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.rev 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.target 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.link.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.meta.content 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.meta.http-equiv 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.meta.name 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.meta.scheme 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.nobr 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.noembed 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ol 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ol.start 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ol.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.optgroup 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.optgroup.disabled 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.optgroup.label 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.option 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.option.disabled 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.option.label 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.option.selected 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.option.value 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.param 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.param.name	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.param.type	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.param.value	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.param.valuetype	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.pre 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.s 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.samp 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.script.src 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.script.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.small 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.strike 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.strong 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.sub 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.sup 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.tbody.charoff	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.td.charoff	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.cols 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.disabled 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.form 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.name 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.readonly 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.textarea.rows 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.tfoot.charoff	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.th.charoff	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.thead.charoff	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.tt 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ul 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.ul.type 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.var 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.wbr 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.elements.xmp 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.global_attributes.accesskey 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.global_attributes.class 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.global_attributes.contenteditable 📋	Firefox	6/17/2008	Safari	6/8/2009	356
html.global_attributes.dir 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.global_attributes.lang 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
html.global_attributes.title 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
javascript.builtins.Date.now 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
javascript.operators.decrement 📋	Firefox	11/9/2004	Safari	6/8/2009	1672
javascript.operators.increment 📋	Firefox	11/9/2004	Safari	6/8/2009	1672

2009/5

API	First Browser	Date	Last Browser	Date	Days
css.properties.counter-increment 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.counter-increment.none 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.counter-reset 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.counter-reset.none 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.direction 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.direction.ltr 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.direction.rtl 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.font-weight 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.font-weight.bold 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.font-weight.bolder 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.font-weight.lighter 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.font-weight.normal 📋	Safari	6/23/2003	Chrome	5/21/2009	2159
css.properties.unicode-bidi 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.unicode-bidi.bidi-override 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.unicode-bidi.embed 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.properties.unicode-bidi.normal 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654
css.selectors.only-child 📋	Firefox	11/29/2005	Chrome	5/21/2009	1269
css.types.attr 📋	Firefox	11/9/2004	Chrome	5/21/2009	1654

2008/12

API	First Browser	Date	Last Browser	Date	Days
api.Attr 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.localName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.namespaceURI 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.ownerElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.prefix 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.specified 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Attr.value 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.BarProp 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.BarProp.visible 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.CDATASection 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.CSSImportRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSImportRule.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSImportRule.media 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSImportRule.styleSheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSMediaRule 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.CSSMediaRule.media 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.CSSRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRule.cssText 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRule.parentRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRule.parentStyleSheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRule.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRuleList 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRuleList.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSRuleList.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration.cssText 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration.getPropertyPriority 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration.getPropertyValue 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration.parentRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleDeclaration.removeProperty 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleRule.selectorText 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleRule.style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleSheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleSheet.cssRules 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleSheet.deleteRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleSheet.insertRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CSSStyleSheet.ownerRule 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CanvasGradient 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasGradient.addColorStop 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasPattern 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.arc 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.CanvasRenderingContext2D.arcTo 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.beginPath 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.bezierCurveTo 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.canvas 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.CanvasRenderingContext2D.clearRect 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.clip 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.closePath 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.createLinearGradient 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.createPattern 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.createRadialGradient 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.drawImage 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.fill 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.fillRect 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.fillStyle 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.globalAlpha 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.globalCompositeOperation 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.isPointInPath 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.CanvasRenderingContext2D.lineCap 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.lineJoin 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.lineTo 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.lineWidth 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.miterLimit 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.moveTo 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.quadraticCurveTo 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.CanvasRenderingContext2D.rect 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.restore 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.rotate 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.save 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.scale 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.shadowBlur 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.shadowColor 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.shadowOffsetX 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.shadowOffsetY 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.stroke 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.strokeRect 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.strokeStyle 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CanvasRenderingContext2D.transform 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.CanvasRenderingContext2D.translate 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.CharacterData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.appendData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.data 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.deleteData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.insertData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.replaceData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.CharacterData.substringData 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Comment 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DOMException 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMException.code 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMException.message 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMException.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMImplementation 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMImplementation.createDocument 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMImplementation.createDocumentType 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMImplementation.hasFeature 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DOMParser 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DOMParser.DOMParser 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DOMParser.parseFromString 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DOMParser.parseFromString.xml	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.DOMContentLoaded_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.adoptNode 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.characterSet 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.createAttributeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createCDATASection 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createComment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createDocumentFragment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createElementNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createEvent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createExpression 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.createNSResolver 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.createNodeIterator 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.createProcessingInstruction 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createRange 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createTextNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.createTreeWalker 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.defaultView 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.doctype 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.documentElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.documentURI 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.evaluate 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Document.getElementById 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.getElementsByClassName 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.Document.getElementsByTagName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.getElementsByTagNameNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.implementation 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.importNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Document.referrer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.DocumentFragment 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DocumentType 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DocumentType.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DocumentType.publicId 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.DocumentType.systemId 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Element 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.DOMActivate_event 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.attributes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.clientHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Element.clientLeft 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.Element.clientTop 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.Element.clientWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Element.getAttribute 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getAttributeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getAttributeNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getAttributeNodeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getElementsByClassName 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.Element.getElementsByTagName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getElementsByTagName.all_elements_selector	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getElementsByTagNameNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.getElementsByTagNameNS.all_elements_selector	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.hasAttribute 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.hasAttributeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.hasAttributes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.innerHTML 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.localName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.namespaceURI 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.prefix 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.removeAttribute 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.removeAttributeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.removeAttributeNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.scrollIntoView 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Element.scrollTop 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.scrollWidth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.setAttribute 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.setAttributeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.setAttributeNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.setAttributeNodeNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Element.tagName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.bubbles 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.cancelable 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.currentTarget 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.eventPhase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.preventDefault 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.stopPropagation 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.timeStamp 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Event.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.EventTarget 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.EventTarget.addEventListener 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.EventTarget.removeEventListener 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.charset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.coords 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.hash 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.host 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.hostname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.hreflang 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.pathname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.port 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.protocol 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.rel 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.rev 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.search 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.shape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.text 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAnchorElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.alt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.coords 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.hash 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.host 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.hostname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.noHref 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.pathname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.port 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.protocol 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.search 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.shape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLAreaElement.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLBRElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBRElement.clear 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBaseElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBaseElement.href 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBaseElement.target 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.aLink 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.background 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.bgColor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.link 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.text 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLBodyElement.vLink 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLButtonElement.value 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLCanvasElement 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.HTMLCanvasElement.getContext 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
api.HTMLCanvasElement.getContext.2d_context	Safari	4/29/2005	Chrome	12/11/2008	1322
api.HTMLCanvasElement.height 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.HTMLCanvasElement.width 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.HTMLCollection 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLCollection.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLCollection.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLCollection.namedItem 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLDListElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLDListElement.compact 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLDirectoryElement	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLDirectoryElement.compact 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLDivElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLDivElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLDocument 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLElement.blur 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.HTMLElement.change_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.contentEditable 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.HTMLElement.dir 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.error_event 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLElement.focus 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.HTMLElement.lang 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.offsetHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.offsetLeft 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.offsetParent 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.offsetTop 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.offsetWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.style 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.tabIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLElement.title 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.getSVGDocument 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.HTMLEmbedElement.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.src 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLEmbedElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFieldSetElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFieldSetElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFontElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFontElement.color 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFontElement.face 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFontElement.size 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormControlsCollection 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.acceptCharset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.action 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.elements 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.encoding 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.enctype 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.length 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.method 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.reset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.submit 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.submit_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFormElement.target 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.contentDocument 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.contentWindow 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.frameBorder 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.longDesc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.marginHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.marginWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.noResize 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.scrolling 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameElement.src 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameSetElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameSetElement.cols 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLFrameSetElement.rows 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLHRElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHRElement.align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHRElement.noShade 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHRElement.size 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHRElement.width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHeadElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHeadingElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLHeadingElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLHtmlElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLHtmlElement.version 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLIFrameElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.contentDocument 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.contentWindow 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.frameBorder 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.longDesc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.marginHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.marginWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.scrolling 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.src 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLIFrameElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLImageElement.Image 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLImageElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.alt 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.border 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.complete 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.hspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.isMap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.longDesc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.lowsrc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.naturalHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.naturalWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.src 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.useMap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.vspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLImageElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLInputElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.accept 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.alt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.checked 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.defaultChecked 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.defaultValue 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.form 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.maxLength 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.readOnly 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.select 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.selectionEnd 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLInputElement.selectionStart 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLInputElement.setSelectionRange 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLInputElement.size 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.src 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.useMap 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLInputElement.value 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLIElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLIElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLIElement.value 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLabelElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLLabelElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLLabelElement.htmlFor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLLegendElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLegendElement.align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLegendElement.form 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.charset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.hreflang 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.media 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.rel 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.rev 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.sheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLLinkElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLMapElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLMapElement.areas 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLMapElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLMenuElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLMenuElement.compact 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLMetaElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLMetaElement.content 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLMetaElement.httpEquiv 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLMetaElement.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLMetaElement.scheme 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLModElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLModElement.cite 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLModElement.dateTime 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOListElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOListElement.compact 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOListElement.start 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOListElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.archive 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.border 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.code 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.codeBase 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.codeType 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.contentDocument 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.data 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.declare 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.hspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.standby 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.useMap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.vspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLObjectElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptGroupElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptGroupElement.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptGroupElement.label 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.HTMLOptionElement.Option 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.HTMLOptionElement.defaultSelected 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.index 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.selected 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.text 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionElement.value 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionsCollection 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionsCollection.add 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionsCollection.length 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLOptionsCollection.selectedIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParagraphElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParagraphElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParamElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParamElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParamElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParamElement.value 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLParamElement.valueType 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLPreElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLPreElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLQuoteElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLQuoteElement.cite 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.charset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.htmlFor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.src 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.text 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLScriptElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLSelectElement.add 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.item 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.length 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.multiple 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.namedItem 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.options 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.remove 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.selectedIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.size 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLSelectElement.value 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLStyleElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLStyleElement.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLStyleElement.media 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLStyleElement.sheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLStyleElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTableCaptionElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCaptionElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.abbr 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.axis 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.bgColor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.cellIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.ch 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.chOff 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.colSpan 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.headers 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.noWrap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.rowSpan 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.scope 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.vAlign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableCellElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.ch 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.chOff 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.span 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.vAlign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableColElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.bgColor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.border 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.caption 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.cellPadding 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.cellSpacing 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.createCaption 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.createTFoot 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.createTHead 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.deleteCaption 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.deleteRow 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.deleteTFoot 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.deleteTHead 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.frame 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.rows 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.rules 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.summary 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.tBodies 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.tFoot 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.tHead 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableElement.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.bgColor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.cells 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.ch 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.chOff 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.deleteCell 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.insertCell 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.rowIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.sectionRowIndex 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableRowElement.vAlign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.ch 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.chOff 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.deleteRow 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.insertRow 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.rows 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTableSectionElement.vAlign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTextAreaElement 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.cols 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.defaultValue 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.form 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.readOnly 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.rows 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.select 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.selectionEnd 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTextAreaElement.selectionStart 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTextAreaElement.setSelectionRange 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTextAreaElement.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTextAreaElement.value 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.HTMLTitleElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLTitleElement.text 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLUListElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLUListElement.compact 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.HTMLUListElement.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.History 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.History.back 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.History.forward 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.History.go 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.History.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.KeyboardEvent 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.altKey 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.charCode 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.ctrlKey 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.keyCode 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.metaKey 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.KeyboardEvent.shiftKey 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.Location 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.assign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Location.hash 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.host 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.hostname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.pathname 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.port 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.protocol 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.reload 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.replace 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Location.search 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.appendMedium 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.deleteMedium 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.mediaText 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MediaList.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeType 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeType.description 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeType.enabledPlugin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeType.suffixes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeType.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeTypeArray 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MimeTypeArray.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.altKey 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.button 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.clientX 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.clientY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.ctrlKey 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.initMouseEvent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.layerX	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.layerY	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.metaKey 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.pageX 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.pageY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.relatedTarget 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.screenX 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.screenY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.MouseEvent.shiftKey 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.getNamedItem 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.getNamedItemNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.removeNamedItem 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.removeNamedItemNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.setNamedItem 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NamedNodeMap.setNamedItemNS 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.appCodeName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.appName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.appVersion 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.javaEnabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.language 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.mimeTypes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.platform 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.plugins 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.product 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.productSub 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.userAgent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.vendor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Navigator.vendorSub 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Node 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.appendChild 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.childNodes 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.Node.cloneNode 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.firstChild 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.hasChildNodes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.insertBefore 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.isDefaultNamespace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Node.isEqualNode 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Node.lastChild 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.lookupNamespaceURI 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Node.lookupPrefix 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Node.nextSibling 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.nodeName 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.nodeType 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.nodeValue 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.normalize 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.parentNode 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.previousSibling 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Node.removeChild 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.replaceChild 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Node.textContent 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.NodeList 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NodeList.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.NodeList.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Plugin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Plugin.description 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Plugin.filename 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Plugin.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Plugin.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.PluginArray 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.PluginArray.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.PluginArray.refresh 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.ProcessingInstruction 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.ProcessingInstruction.sheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.ProcessingInstruction.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.cloneContents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.cloneRange 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.collapse 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.collapsed 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.commonAncestorContainer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.compareBoundaryPoints 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.comparePoint 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Range.createContextualFragment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.deleteContents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.endContainer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.endOffset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.extractContents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.insertNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.isPointInRange 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Range.selectNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.selectNodeContents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setEnd 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setEndAfter 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setEndBefore 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setStart 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setStartAfter 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.setStartBefore 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.startContainer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.startOffset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.surroundContents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Range.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.SVGAElement 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGAElement.target 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGAngle 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.convertToSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.newValueSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.unitType 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.value 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.valueAsString 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAngle.valueInSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedAngle 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedAngle.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedAngle.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedEnumeration 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedEnumeration.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedEnumeration.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLength.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLength.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLengthList 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLengthList.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedLengthList.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedNumber 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedNumber.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedNumber.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedRect 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedString 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedString.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedString.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedTransformList 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedTransformList.animVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGAnimatedTransformList.baseVal 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGCircleElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGCircleElement.cx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGCircleElement.cy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGCircleElement.r 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGClipPathElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGClipPathElement.clipPathUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGClipPathElement.transform 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGDefsElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGDescElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGElement.className 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGElement.ownerSVGElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGElement.style 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGElement.viewportElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGEllipseElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGEllipseElement.cx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGEllipseElement.cy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGEllipseElement.rx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGEllipseElement.ry 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGForeignObjectElement 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGForeignObjectElement.height 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGForeignObjectElement.width 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGForeignObjectElement.x 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGForeignObjectElement.y 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGGElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGradientElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGradientElement.gradientTransform 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGradientElement.gradientUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGradientElement.href 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.SVGGradientElement.spreadMethod 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGraphicsElement.getBBox 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGraphicsElement.getCTM 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGraphicsElement.getScreenCTM 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGGraphicsElement.transform 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.height 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.href 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.preserveAspectRatio 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.width 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGImageElement.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.convertToSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.newValueSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.unitType 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.value 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.valueAsString 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLength.valueInSpecifiedUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.appendItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.clear 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.getItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.initialize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.insertItemBefore 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.numberOfItems 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.removeItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLengthList.replaceItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLineElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLineElement.x1 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLineElement.x2 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLineElement.y1 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLineElement.y2 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLinearGradientElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLinearGradientElement.x1 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLinearGradientElement.x2 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLinearGradientElement.y1 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGLinearGradientElement.y2 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.markerHeight 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.markerUnits 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.markerWidth 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.orientAngle 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.orientType 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.preserveAspectRatio 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.SVGMarkerElement.refX 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.refY 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.setOrientToAngle 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.setOrientToAuto 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGMarkerElement.viewBox 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.SVGMaskElement 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGMaskElement.height 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGMaskElement.maskContentUnits 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGMaskElement.maskUnits 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGMaskElement.width 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGMaskElement.x 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGMaskElement.y 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGMetadataElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGNumber 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGNumber.value 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPathElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPatternElement 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.height 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.href 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.patternContentUnits 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.patternTransform 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.patternUnits 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.preserveAspectRatio 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.viewBox 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.width 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.x 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPatternElement.y 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGPoint 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPoint.matrixTransform 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPoint.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPoint.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.appendItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.clear 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.getItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.initialize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.insertItemBefore 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.numberOfItems 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.removeItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPointList.replaceItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolygonElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolygonElement.animatedPoints 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolygonElement.points 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolylineElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolylineElement.animatedPoints 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPolylineElement.points 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPreserveAspectRatio 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPreserveAspectRatio.align 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGPreserveAspectRatio.meetOrSlice 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement.cx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement.cy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement.fx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement.fy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRadialGradientElement.r 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRect 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRect.height	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRect.width	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRect.x	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRect.y	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRectElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRectElement.height 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRectElement.width 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRectElement.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGRectElement.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.animationsPaused 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGAngle 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGMatrix 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGNumber 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGPoint 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGRect 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGTransform 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.createSVGTransformFromMatrix 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.currentScale 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.currentTranslate 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.forceRedraw 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.getCurrentTime 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.height 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.pauseAnimations 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.preserveAspectRatio 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.setCurrentTime 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.suspendRedraw 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.unpauseAnimations 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.unsuspendRedraw 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.unsuspendRedrawAll 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.viewBox 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.width 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSVGElement.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGScriptElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGScriptElement.href 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGScriptElement.type 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStopElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStopElement.offset 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStyleElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStyleElement.media 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStyleElement.title 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGStyleElement.type 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSwitchElement 📋	Safari	10/26/2007	Chrome	12/11/2008	412
api.SVGSymbolElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSymbolElement.preserveAspectRatio 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGSymbolElement.viewBox 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTSpanElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getCharNumAtPosition 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getComputedTextLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getEndPositionOfChar 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getExtentOfChar 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getNumberOfChars 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getRotationOfChar 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getStartPositionOfChar 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.getSubStringLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.lengthAdjust 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.selectSubString 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextContentElement.textLength 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPathElement 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.SVGTextPathElement.href 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
api.SVGTextPositioningElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPositioningElement.dx 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPositioningElement.dy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPositioningElement.rotate 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPositioningElement.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTextPositioningElement.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTitleElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.appendItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.clear 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.consolidate 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.createSVGTransformFromMatrix 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.getItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.initialize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.insertItemBefore 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.numberOfItems 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.removeItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGTransformList.replaceItem 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUnitTypes 📋	Safari	3/18/2008	Chrome	12/11/2008	268
api.SVGUseElement 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUseElement.height 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUseElement.href 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUseElement.width 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUseElement.x 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.SVGUseElement.y 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
api.Screen 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availHeight 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availLeft	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availLeft.relative-multi-screen	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availTop	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availTop.relative-multi-screen	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.availWidth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.colorDepth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.height 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.pixelDepth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Screen.width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Selection 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.addRange 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.anchorNode 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.anchorOffset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.collapse 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.collapseToEnd 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.collapseToStart 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.containsNode 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.deleteFromDocument 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.extend 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.focusNode 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.focusOffset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.getRangeAt 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.isCollapsed 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.rangeCount 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.removeAllRanges 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.selectAllChildren 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Selection.toString 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.StyleSheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.media 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.ownerNode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.parentStyleSheet 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.title 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheet.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheetList 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheetList.item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.StyleSheetList.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Text 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Text.splitText 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.UIEvent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.UIEvent.detail 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.UIEvent.initUIEvent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.UIEvent.view 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.UIEvent.which 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.DOMContentLoaded_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.alert 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.beforeunload_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.beforeunload_event.return_string_activation	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.blur 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.captureEvents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.close 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.closed 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.confirm 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.document 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.find	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.focus 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.frameElement 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.frames 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.getComputedStyle 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.getSelection 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.history 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.innerHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.innerWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.load_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.location 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.locationbar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.menubar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.moveBy 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.moveTo 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.navigator 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.open 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.opener 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.outerHeight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.outerWidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.parent 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.personalbar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.print 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Window.prompt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.releaseEvents 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.resizeBy 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.resizeTo 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.resize_event 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
api.Window.screen 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.screenX 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.screenY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scroll 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scrollBy 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scrollTo 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scrollX 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scrollY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.scrollbars 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.self 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.status 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.Window.statusbar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.stop 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.toolbar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.top 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.unload_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.Window.window 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.XMLHttpRequest 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest.abort 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.error_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest.getAllResponseHeaders 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.getResponseHeader 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.load_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest.open 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.overrideMimeType 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.progress_event 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest.readyState 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.readystatechange_event 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.responseText 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.responseXML 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLHttpRequest.send 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.setRequestHeader 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.status 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequest.statusText 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
api.XMLHttpRequestEventTarget 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.XMLSerializer 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLSerializer.XMLSerializer 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XMLSerializer.serializeToString 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathEvaluator 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathEvaluator.XPathEvaluator 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathEvaluator.createExpression 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathEvaluator.createNSResolver 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathEvaluator.evaluate 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathExpression 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathExpression.evaluate 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.booleanValue 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.invalidIteratorState 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.iterateNext 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.numberValue 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.resultType 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.singleNodeValue 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.snapshotItem 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.snapshotLength 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XPathResult.stringValue 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.XSLTProcessor 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.clearParameters 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.getParameter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.importStylesheet 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.removeParameter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.reset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.setParameter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.transformToDocument 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.XSLTProcessor.transformToFragment 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
api.clearInterval 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.setInterval 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.setInterval.supports_parameters_for_callback	Safari	2/2/2004	Chrome	12/11/2008	1774
api.setTimeout 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
api.setTimeout.supports_parameters_for_callback	Safari	2/2/2004	Chrome	12/11/2008	1774
css.at-rules.import 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.at-rules.media 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.at-rules.media.color 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.device-aspect-ratio 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.device-height 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.device-width 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.grid 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.height 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.media_features	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.at-rules.media.monochrome 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.media.width 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.at-rules.namespace 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.appearance.button 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.checkbox 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.listbox 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.menulist 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.meter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.progress-bar 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.radio 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.searchfield 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.textarea 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.appearance.textfield 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.background 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-attachment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-attachment.scroll 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-image 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-image.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-position 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-repeat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-repeat.no-repeat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-repeat.repeat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-repeat.repeat-x 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.background-repeat.repeat-y 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-bottom-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-bottom-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-bottom-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-collapse 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.border-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-left-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-left-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-left-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-right-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-right-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-right-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-spacing 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.dashed 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.dotted 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.double 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.groove 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.hidden 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.inset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.outset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.ridge 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-style.solid 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-top-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-top-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-top-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.border-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.bottom.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.box-sizing.border-box 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.box-sizing.content-box 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.caption-side 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.clear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.clear.both 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.clear.left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.clear.right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.clip 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.color-interpolation-filters 📋	Safari	10/26/2007	Chrome	12/11/2008	412
css.properties.color-interpolation-filters.auto 📋	Safari	10/26/2007	Chrome	12/11/2008	412
css.properties.column-count.auto 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.column-gap 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.column-width.auto	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.content 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.content.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.content.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.content.url 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.cursor 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.alias 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.all-scroll 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.auto 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.cell 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.col-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.context-menu 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.copy 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.crosshair 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.default 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.e-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.ew-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.help 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.move 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.n-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.ne-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.nesw-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.no-drop 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.not-allowed 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.ns-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.nw-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.nwse-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.pointer 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.progress 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.row-resize 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.s-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.se-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.sw-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.text 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.url	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.url_positioning_syntax	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.vertical-text 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.properties.cursor.w-resize 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.cursor.wait 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.display 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.block 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.inline 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.inline-block	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.inline-table	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.list-item 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-cell	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-column	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-column-group	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-footer-group	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-header-group	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-row	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.display.table-row-group	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.empty-cells 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.float 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.float.left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.float.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.float.right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.caption	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.icon	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.menu	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.message-box	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.small-caption	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font.status-bar	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-family 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-size 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-style.italic 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-style.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-variant 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.font-variant.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.height 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.height.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.left.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.letter-spacing 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.letter-spacing.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.line-height 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.line-height.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-image 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-image.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-position 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-position.inside 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-position.outside 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.armenian 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.circle 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.decimal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.decimal-leading-zero 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.disc 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.georgian 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.hebrew 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.hiragana 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.hiragana-iroha 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.katakana 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.katakana-iroha 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.lower-alpha 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.lower-greek 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.lower-latin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.lower-roman 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.square 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.upper-alpha 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.upper-latin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.list-style-type.upper-roman 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin.auto	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-bottom.auto	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-left.auto	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-right.auto	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.margin-top.auto	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.max-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.max-width.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.min-height 📋	Safari	4/15/2005	Chrome	12/11/2008	1336
css.properties.min-width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.opacity 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.outline-color 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-offset 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.auto 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.dashed 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.dotted 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.double 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.groove 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.inset 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.none 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.outset 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.ridge 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-style.solid 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.outline-width 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.overflow 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.overflow.auto 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.overflow.hidden 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.overflow.scroll 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.overflow.visible 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.padding 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.padding-bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.padding-left 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.padding-right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.padding-top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.page-break-after 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-after.always 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-after.auto 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-after.left 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-after.right 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-before 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-before.always 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-before.auto 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-before.left 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.page-break-before.right 📋	Safari	2/2/2004	Chrome	12/11/2008	1774
css.properties.position 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.position.absolute 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.position.fixed 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.position.relative 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.position.static 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.right 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.right.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-align.end 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.text-align.justify 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-align.start 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.text-decoration 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-indent 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform.capitalize 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform.lowercase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform.none 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform.uppercase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.text-transform.uppercase_eszett	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.top.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.user-select.auto	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.user-select.text	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.vertical-align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.baseline 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.middle 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.sub 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.super 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.text-bottom 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.text-top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.vertical-align.top 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.visibility 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.visibility.collapse 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.properties.visibility.hidden 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.visibility.visible 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.white-space 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.white-space.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.white-space.nowrap 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.white-space.pre 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.white-space.pre-wrap 📋	Safari	10/26/2007	Chrome	12/11/2008	412
css.properties.width 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.width.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.word-spacing 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.word-spacing.normal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.z-index 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.z-index.auto 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.properties.z-index.negative_values	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.active 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.active.non_a_elements	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.attribute 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.checked 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.child 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.class 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.descendant 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.empty 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.enabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.first-letter 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.first-line 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.focus 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.hover 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.hover.a_elements	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.hover.all_elements	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.id 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.indeterminate 📋	Firefox	10/24/2006	Chrome	12/11/2008	779
css.selectors.lang 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.last-child 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.link 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.list 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.namespace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.next-sibling 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.not 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.root 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.subsequent-sibling 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.target 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.type.namespaces	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.universal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.selectors.universal.namespaces	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.selectors.visited 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.color.hsl 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.types.color.named-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.color.named-color.transparent 📋	Safari	3/18/2008	Chrome	12/11/2008	268
css.types.color.rgb 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.color.rgb_hexadecimal_notation 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.color.system-color 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.counter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.types.counters 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
css.types.dimension 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.global_keywords	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.global_keywords.inherit 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.image 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.integer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.length.em	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.length.ex	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.length-percentage 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.line-style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.number 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.overflow 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.percentage 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.position 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.position.keyword_value_syntax	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.shape 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.types.shape.rect	Firefox	11/9/2004	Chrome	12/11/2008	1493
css.types.string 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.string.unicode_escaped_characters	Safari	6/23/2003	Chrome	12/11/2008	1998
css.types.url 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.charset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.hreflang 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.rel 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.rev 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.a.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.acronym 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.address 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.alt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.coords 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.href 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.nohref 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.shape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.area.target 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.b 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.base 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.base.href 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.base.target 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.body 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.br 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.button 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.canvas 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
html.elements.canvas.height 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
html.elements.canvas.width 📋	Safari	4/29/2005	Chrome	12/11/2008	1322
html.elements.col.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.col.valign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.colgroup.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.colgroup.valign 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.del.cite	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.del.datetime	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.div 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.div.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.fieldset.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.accept-charset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.action 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.enctype 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.method 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.form.target 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.frameborder	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.marginheight	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.marginwidth	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.name	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.noresize	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.scrolling	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frame.src	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frameset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frameset.cols	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.frameset.rows	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.h1 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.h2 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.h3 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.h4 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.h5 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.h6 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.head 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.hr 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.html 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.html.version 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.html.xmlns	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.i 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.iframe.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.frameborder 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.longdesc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.marginheight 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.marginwidth 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.scrolling 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.iframe.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.img.align 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.alt 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.border 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.hspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.ismap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.longdesc 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.src 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.img.usemap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.vspace 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.img.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.input 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.accept 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.align 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.alt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.checked 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.disabled 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.form 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.maxlength 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.readonly 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.size 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.src 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_button 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_checkbox 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_file 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_hidden 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_image 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_password 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_radio 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_reset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_submit 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_text 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.type_url 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.input.usemap 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.ins.cite	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.ins.datetime	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.legend 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.li 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.link.rel 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.map 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.map.name	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.marquee.behavior	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.bgcolor	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.direction	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.height	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.hspace	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.loop	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.scrollamount	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.scrolldelay	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.truespeed	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.vspace	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.marquee.width	Safari	2/2/2004	Chrome	12/11/2008	1774
html.elements.menu 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.meta 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.meta.charset 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.meta.http-equiv.refresh 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.noframes 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.noscript 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.archive 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.border 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.classid 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.codebase 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.codetype 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.data 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.declare 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.height 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.standby 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.type 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.usemap 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.object.width 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.ol.compact	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.p 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.pre.width	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.q 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.q.cite 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.script 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.select 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.select.disabled 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.select.form 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.select.multiple 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.select.name 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.select.size 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.span 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.style.media 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.style.type 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.align	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.border	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.cellpadding	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.cellspacing	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.frame	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.rules	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.summary	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.table.width	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tbody 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tbody.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.tbody.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tbody.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.td 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.abbr	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.td.axis	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.colspan	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.headers	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.rowspan	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.scope	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.td.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.td.width	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tfoot 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tfoot.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.tfoot.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tfoot.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.th 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.abbr	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.th.axis	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.colspan	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.headers	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.rowspan	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.scope	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.th.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.th.width	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.thead 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.thead.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.thead.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.thead.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.title 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tr 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tr.align	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.tr.bgcolor	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.tr.valign	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.elements.u 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.elements.ul.compact 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
html.global_attributes.style 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
html.global_attributes.tabindex 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.Array 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.concat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.every 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.filter 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.forEach 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.indexOf 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.join 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.lastIndexOf 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.map 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.pop 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.push 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.reverse 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.shift 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.slice 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.some 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.builtins.Array.sort 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.splice 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.toLocaleString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Array.unshift 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Boolean 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Boolean.Boolean 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Boolean.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Boolean.valueOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.Date 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.UTC 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getDate 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getDay 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getFullYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getHours 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getMilliseconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getMinutes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getMonth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getSeconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getTime 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getTimezoneOffset 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCDate 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCDay 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCFullYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCHours 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCMilliseconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCMinutes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCMonth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getUTCSeconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.getYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.parse 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setDate 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setFullYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setHours 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setMilliseconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setMinutes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setMonth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setSeconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setTime 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCDate 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCFullYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCHours 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCMilliseconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCMinutes 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCMonth 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setUTCSeconds 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.setYear 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toDateString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toGMTString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toLocaleDateString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toLocaleString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toLocaleTimeString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toTimeString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.toUTCString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Date.valueOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Error 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Error.Error 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Error.message 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Error.name 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Error.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.EvalError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.EvalError.EvalError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.Function 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.apply 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.arguments	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.call 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.caller	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Function.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Function.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Infinity 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.E 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.LN10 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.LN2 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.LOG10E 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.LOG2E 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.PI 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.SQRT1_2 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.SQRT2 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.abs 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.acos 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.asin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.atan 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.atan2 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.ceil 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.cos 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.exp 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.floor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.log 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.max 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.min 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.pow 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.random 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.round 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.sin 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.sqrt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Math.tan 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.NaN 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.MAX_VALUE 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.MIN_VALUE 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.NEGATIVE_INFINITY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.NaN 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.Number 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.POSITIVE_INFINITY 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.toExponential 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Number.toFixed 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Number.toLocaleString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.toPrecision 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Number.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Number.valueOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object.Object 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object.constructor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object.defineGetter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.defineSetter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.hasOwnProperty 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.isPrototypeOf 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.lookupGetter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.lookupSetter 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.propertyIsEnumerable 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.proto 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.Object.toLocaleString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.Object.valueOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RangeError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RangeError.RangeError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.ReferenceError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.ReferenceError.ReferenceError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.RegExp 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.compile 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.exec 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.global 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.ignoreCase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.input 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.lastIndex 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.lastMatch 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.lastParen 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.leftContext 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.multiline 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.n 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.rightContext 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.RegExp.source 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.test 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.RegExp.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.String 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.anchor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.big 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.blink 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.bold 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.charAt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.charCodeAt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.concat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.fixed 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.fontcolor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.fontsize 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.fromCharCode 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.indexOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.italics 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.lastIndexOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.link 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.localeCompare 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.String.match 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.replace 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.search 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.slice 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.small 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.split 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.strike 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.sub 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.substr 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.substring 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.sup 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.toLocaleLowerCase 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.String.toLocaleUpperCase 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.builtins.String.toLowerCase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.toString 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.toUpperCase 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.String.valueOf 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.SyntaxError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.SyntaxError.SyntaxError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.TypeError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.TypeError.TypeError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.URIError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.URIError.URIError 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.decodeURI 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
javascript.builtins.decodeURIComponent 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
javascript.builtins.encodeURI 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
javascript.builtins.encodeURIComponent 📋	Safari	10/24/2003	Chrome	12/11/2008	1875
javascript.builtins.escape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.eval 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.isFinite 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.isNaN 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.parseFloat 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.parseInt 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.undefined 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.builtins.unescape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.functions 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.functions.arguments 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.functions.arguments.callee 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.functions.arguments.length 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.functions.get 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.functions.set 📋	Firefox	11/29/2005	Chrome	12/11/2008	1108
javascript.grammar.array_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.boolean_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.decimal_numeric_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.hexadecimal_escape_sequences 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.hexadecimal_numeric_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.null_literal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.regular_expression_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.string_literals 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.trailing_commas 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.grammar.trailing_commas.trailing_commas_in_object_literals	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.grammar.unicode_escape_sequences 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.addition 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.addition_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_and 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_and_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_not 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_or 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_or_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_xor 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.bitwise_xor_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.comma 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.conditional 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.delete 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.division 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.division_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.equality 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.function 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.greater_than 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.greater_than_or_equal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.grouping 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.in 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.inequality 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.instanceof 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.left_shift 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.left_shift_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.less_than 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.less_than_or_equal 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.logical_and 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.logical_not 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.logical_or 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.multiplication 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.multiplication_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.new 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.null 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.object_initializer 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.property_accessors 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.remainder 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.remainder_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.right_shift 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.right_shift_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.strict_equality 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.strict_inequality 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.subtraction 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.subtraction_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.this 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.typeof 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.unary_negation 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.unary_plus 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.unsigned_right_shift 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.unsigned_right_shift_assignment 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.operators.void 📋	Firefox	11/9/2004	Chrome	12/11/2008	1493
javascript.regular_expressions.backreference 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.capturing_group 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.character_class 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.character_class_escape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.character_escape 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.disjunction 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.input_boundary_assertion 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.literal_character 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.lookahead_assertion 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.non_capturing_group 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.quantifier 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.wildcard 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.regular_expressions.word_boundary_assertion 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.block 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.break 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.continue 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.do_while 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.for 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.for_in 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.function 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.if_else 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.label 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.return 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.switch 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.throw 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.try_catch 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.var 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.while 📋	Safari	6/23/2003	Chrome	12/11/2008	1998
javascript.statements.with 📋	Safari	6/23/2003	Chrome	12/11/2008	1998