Not yet stable

For a given set of browsers, what APIs are not yet in all of them.

Summary

A count of the number of APIs are in Browser X but not in Browser Y.
	Not in Firefox	Not in Safari
In Firefox		972
In Safari	1033

Unstable APIs

Below is a list of features that are not in all of Firefox and Safari

Raw Data

Quick Links:

DOM API
CSS
HTML
JS

DOM API Data

API	First Browser	Date	Days in Limbo
api.AbortSignal.any_static 📋	Firefox	3/19/2024	31
api.AudioContext.AudioContext.options_latencyHint_parameter 📋	Safari	4/26/2021	1089
api.AudioContext.createMediaStreamTrackSource 📋	Firefox	7/9/2019	1746
api.AudioContext.outputLatency 📋	Firefox	10/22/2019	1641
api.AudioListener.forwardX 📋	Safari	4/26/2021	1089
api.AudioListener.forwardY 📋	Safari	4/26/2021	1089
api.AudioListener.forwardZ 📋	Safari	4/26/2021	1089
api.AudioListener.positionX 📋	Safari	4/26/2021	1089
api.AudioListener.positionY 📋	Safari	4/26/2021	1089
api.AudioListener.positionZ 📋	Safari	4/26/2021	1089
api.AudioListener.upX 📋	Safari	4/26/2021	1089
api.AudioListener.upY 📋	Safari	4/26/2021	1089
api.AudioListener.upZ 📋	Safari	4/26/2021	1089
api.AudioParam.automationRate 📋	Safari	9/16/2020	1311
api.AudioParam.cancelAndHoldAtTime 📋	Safari	4/26/2021	1089
api.AudioProcessingEvent.AudioProcessingEvent 📋	Safari	4/26/2021	1089
api.AudioSession 📋	Safari	3/27/2023	389
api.AudioSession.type 📋	Safari	3/27/2023	389
api.AudioTrack 📋	Firefox	10/14/2014	3475
api.AudioTrack.enabled 📋	Firefox	10/14/2014	3475
api.AudioTrack.id 📋	Firefox	10/14/2014	3475
api.AudioTrack.kind 📋	Firefox	10/14/2014	3475
api.AudioTrack.label 📋	Firefox	10/14/2014	3475
api.AudioTrack.language 📋	Firefox	10/14/2014	3475
api.BarProp.visible.returns_popup	Firefox	1/11/2022	829
api.BlobEvent.timecode 📋	Safari	4/26/2021	1089
api.BufferedChangeEvent 📋	Safari	9/18/2023	214
api.BufferedChangeEvent.BufferedChangeEvent 📋	Safari	9/18/2023	214
api.BufferedChangeEvent.addedRanges 📋	Safari	9/18/2023	214
api.BufferedChangeEvent.removedRanges 📋	Safari	9/18/2023	214
api.CSS.Hz_static 📋	Safari	3/27/2023	389
api.CSS.Q_static 📋	Safari	3/27/2023	389
api.CSS.cap_static 📋	Safari	12/11/2023	130
api.CSS.ch_static 📋	Safari	3/27/2023	389
api.CSS.cm_static 📋	Safari	3/27/2023	389
api.CSS.cqb_static 📋	Safari	3/27/2023	389
api.CSS.cqh_static 📋	Safari	3/27/2023	389
api.CSS.cqi_static 📋	Safari	3/27/2023	389
api.CSS.cqmax_static 📋	Safari	3/27/2023	389
api.CSS.cqmin_static 📋	Safari	3/27/2023	389
api.CSS.cqw_static 📋	Safari	3/27/2023	389
api.CSS.deg_static 📋	Safari	3/27/2023	389
api.CSS.dpcm_static 📋	Safari	3/27/2023	389
api.CSS.dpi_static 📋	Safari	3/27/2023	389
api.CSS.dppx_static 📋	Safari	3/27/2023	389
api.CSS.dvb_static 📋	Safari	3/27/2023	389
api.CSS.dvh_static 📋	Safari	3/27/2023	389
api.CSS.dvi_static 📋	Safari	3/27/2023	389
api.CSS.dvmax_static 📋	Safari	3/27/2023	389
api.CSS.dvmin_static 📋	Safari	3/27/2023	389
api.CSS.dvw_static 📋	Safari	3/27/2023	389
api.CSS.em_static 📋	Safari	3/27/2023	389
api.CSS.ex_static 📋	Safari	3/27/2023	389
api.CSS.fr_static 📋	Safari	3/27/2023	389
api.CSS.grad_static 📋	Safari	3/27/2023	389
api.CSS.highlights_static 📋	Safari	12/11/2023	130
api.CSS.ic_static 📋	Safari	3/27/2023	389
api.CSS.in_static 📋	Safari	3/27/2023	389
api.CSS.kHz_static 📋	Safari	3/27/2023	389
api.CSS.lh_static 📋	Safari	3/27/2023	389
api.CSS.lvb_static 📋	Safari	3/27/2023	389
api.CSS.lvh_static 📋	Safari	3/27/2023	389
api.CSS.lvi_static 📋	Safari	3/27/2023	389
api.CSS.lvmax_static 📋	Safari	3/27/2023	389
api.CSS.lvmin_static 📋	Safari	3/27/2023	389
api.CSS.lvw_static 📋	Safari	3/27/2023	389
api.CSS.mm_static 📋	Safari	3/27/2023	389
api.CSS.ms_static 📋	Safari	3/27/2023	389
api.CSS.number_static 📋	Safari	3/27/2023	389
api.CSS.pc_static 📋	Safari	3/27/2023	389
api.CSS.percent_static 📋	Safari	3/27/2023	389
api.CSS.pt_static 📋	Safari	3/27/2023	389
api.CSS.px_static 📋	Safari	3/27/2023	389
api.CSS.rad_static 📋	Safari	3/27/2023	389
api.CSS.rcap_static 📋	Safari	12/11/2023	130
api.CSS.rch_static 📋	Safari	12/11/2023	130
api.CSS.registerProperty_static 📋	Safari	3/27/2023	389
api.CSS.rem_static 📋	Safari	3/27/2023	389
api.CSS.rex_static 📋	Safari	12/11/2023	130
api.CSS.ric_static 📋	Safari	12/11/2023	130
api.CSS.rlh_static 📋	Safari	3/27/2023	389
api.CSS.s_static 📋	Safari	3/27/2023	389
api.CSS.svb_static 📋	Safari	3/27/2023	389
api.CSS.svh_static 📋	Safari	3/27/2023	389
api.CSS.svi_static 📋	Safari	3/27/2023	389
api.CSS.svmax_static 📋	Safari	3/27/2023	389
api.CSS.svmin_static 📋	Safari	3/27/2023	389
api.CSS.svw_static 📋	Safari	3/27/2023	389
api.CSS.turn_static 📋	Safari	3/27/2023	389
api.CSS.vb_static 📋	Safari	3/27/2023	389
api.CSS.vh_static 📋	Safari	3/27/2023	389
api.CSS.vi_static 📋	Safari	3/27/2023	389
api.CSS.vmax_static 📋	Safari	3/27/2023	389
api.CSS.vmin_static 📋	Safari	3/27/2023	389
api.CSS.vw_static 📋	Safari	3/27/2023	389
api.CSSImageValue 📋	Safari	3/27/2023	389
api.CSSImportRule.supportsText 📋	Firefox	6/6/2023	318
api.CSSKeywordValue 📋	Safari	3/27/2023	389
api.CSSKeywordValue.CSSKeywordValue 📋	Safari	3/27/2023	389
api.CSSKeywordValue.value 📋	Safari	3/27/2023	389
api.CSSMathClamp 📋	Safari	3/27/2023	389
api.CSSMathClamp.CSSMathClamp 📋	Safari	3/27/2023	389
api.CSSMathClamp.lower 📋	Safari	3/27/2023	389
api.CSSMathClamp.upper 📋	Safari	3/27/2023	389
api.CSSMathClamp.value 📋	Safari	3/27/2023	389
api.CSSMathInvert 📋	Safari	3/27/2023	389
api.CSSMathInvert.CSSMathInvert 📋	Safari	3/27/2023	389
api.CSSMathInvert.value 📋	Safari	3/27/2023	389
api.CSSMathMax 📋	Safari	3/27/2023	389
api.CSSMathMax.values 📋	Safari	3/27/2023	389
api.CSSMathMin 📋	Safari	3/27/2023	389
api.CSSMathMin.values 📋	Safari	3/27/2023	389
api.CSSMathNegate 📋	Safari	3/27/2023	389
api.CSSMathNegate.CSSMathNegate 📋	Safari	3/27/2023	389
api.CSSMathNegate.value 📋	Safari	3/27/2023	389
api.CSSMathProduct 📋	Safari	3/27/2023	389
api.CSSMathProduct.values 📋	Safari	3/27/2023	389
api.CSSMathSum 📋	Safari	3/27/2023	389
api.CSSMathSum.values 📋	Safari	3/27/2023	389
api.CSSMathValue 📋	Safari	3/27/2023	389
api.CSSMathValue.operator 📋	Safari	3/27/2023	389
api.CSSMatrixComponent 📋	Safari	3/27/2023	389
api.CSSMatrixComponent.CSSMatrixComponent 📋	Safari	3/27/2023	389
api.CSSMatrixComponent.matrix 📋	Safari	3/27/2023	389
api.CSSNumericArray 📋	Safari	3/27/2023	389
api.CSSNumericArray.@@iterator	Safari	3/27/2023	389
api.CSSNumericArray.entries	Safari	3/27/2023	389
api.CSSNumericArray.forEach	Safari	3/27/2023	389
api.CSSNumericArray.keys	Safari	3/27/2023	389
api.CSSNumericArray.length 📋	Safari	3/27/2023	389
api.CSSNumericArray.values	Safari	3/27/2023	389
api.CSSNumericValue 📋	Safari	3/27/2023	389
api.CSSNumericValue.add 📋	Safari	3/27/2023	389
api.CSSNumericValue.div 📋	Safari	3/27/2023	389
api.CSSNumericValue.equals 📋	Safari	3/27/2023	389
api.CSSNumericValue.max 📋	Safari	3/27/2023	389
api.CSSNumericValue.min 📋	Safari	3/27/2023	389
api.CSSNumericValue.mul 📋	Safari	3/27/2023	389
api.CSSNumericValue.parse_static 📋	Safari	3/27/2023	389
api.CSSNumericValue.sub 📋	Safari	3/27/2023	389
api.CSSNumericValue.to 📋	Safari	3/27/2023	389
api.CSSNumericValue.toSum 📋	Safari	3/27/2023	389
api.CSSNumericValue.type 📋	Safari	3/27/2023	389
api.CSSPerspective 📋	Safari	3/27/2023	389
api.CSSPerspective.CSSPerspective 📋	Safari	3/27/2023	389
api.CSSPerspective.length 📋	Safari	3/27/2023	389
api.CSSPrimitiveValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.getCounterValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.getFloatValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.getRGBColorValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.getRectValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.getStringValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.primitiveType	Safari	10/22/2013	3832
api.CSSPrimitiveValue.setFloatValue	Safari	10/26/2007	6020
api.CSSPrimitiveValue.setStringValue	Safari	10/26/2007	6020
api.CSSPropertyRule 📋	Safari	3/27/2023	389
api.CSSPropertyRule.inherits 📋	Safari	3/27/2023	389
api.CSSPropertyRule.initialValue 📋	Safari	3/27/2023	389
api.CSSPropertyRule.name 📋	Safari	3/27/2023	389
api.CSSPropertyRule.syntax 📋	Safari	3/27/2023	389
api.CSSPseudoElement 📋	Firefox	4/7/2020	1473
api.CSSPseudoElement.element 📋	Firefox	4/7/2020	1473
api.CSSPseudoElement.type 📋	Firefox	4/7/2020	1473
api.CSSRotate 📋	Safari	3/27/2023	389
api.CSSRotate.CSSRotate 📋	Safari	3/27/2023	389
api.CSSRotate.angle 📋	Safari	3/27/2023	389
api.CSSRotate.x 📋	Safari	3/27/2023	389
api.CSSRotate.y 📋	Safari	3/27/2023	389
api.CSSRotate.z 📋	Safari	3/27/2023	389
api.CSSScale 📋	Safari	3/27/2023	389
api.CSSScale.CSSScale 📋	Safari	3/27/2023	389
api.CSSScale.x 📋	Safari	3/27/2023	389
api.CSSScale.y 📋	Safari	3/27/2023	389
api.CSSScale.z 📋	Safari	3/27/2023	389
api.CSSSkew 📋	Safari	3/27/2023	389
api.CSSSkew.CSSSkew 📋	Safari	3/27/2023	389
api.CSSSkew.ax 📋	Safari	3/27/2023	389
api.CSSSkew.ay 📋	Safari	3/27/2023	389
api.CSSSkewX 📋	Safari	3/27/2023	389
api.CSSSkewX.CSSSkewX 📋	Safari	3/27/2023	389
api.CSSSkewX.ax 📋	Safari	3/27/2023	389
api.CSSSkewY 📋	Safari	3/27/2023	389
api.CSSSkewY.CSSSkewY 📋	Safari	3/27/2023	389
api.CSSSkewY.ay 📋	Safari	3/27/2023	389
api.CSSStyleDeclaration.cssFloat 📋	Safari	6/23/2003	7606
api.CSSStyleDeclaration.getPropertyCSSValue	Safari	6/23/2003	7606
api.CSSStyleRule.styleMap 📋	Safari	3/27/2023	389
api.CSSStyleValue 📋	Safari	3/27/2023	389
api.CSSStyleValue.parseAll_static 📋	Safari	3/27/2023	389
api.CSSStyleValue.parse_static 📋	Safari	3/27/2023	389
api.CSSStyleValue.toString 📋	Safari	3/27/2023	389
api.CSSTransformComponent 📋	Safari	3/27/2023	389
api.CSSTransformComponent.is2D 📋	Safari	3/27/2023	389
api.CSSTransformComponent.toMatrix 📋	Safari	3/27/2023	389
api.CSSTransformComponent.toString 📋	Safari	3/27/2023	389
api.CSSTransformValue 📋	Safari	3/27/2023	389
api.CSSTransformValue.@@iterator	Safari	3/27/2023	389
api.CSSTransformValue.CSSTransformValue 📋	Safari	3/27/2023	389
api.CSSTransformValue.entries	Safari	3/27/2023	389
api.CSSTransformValue.forEach	Safari	3/27/2023	389
api.CSSTransformValue.is2D 📋	Safari	3/27/2023	389
api.CSSTransformValue.keys	Safari	3/27/2023	389
api.CSSTransformValue.length 📋	Safari	3/27/2023	389
api.CSSTransformValue.toMatrix 📋	Safari	3/27/2023	389
api.CSSTransformValue.values	Safari	3/27/2023	389
api.CSSTranslate 📋	Safari	3/27/2023	389
api.CSSTranslate.CSSTranslate 📋	Safari	3/27/2023	389
api.CSSTranslate.x 📋	Safari	3/27/2023	389
api.CSSTranslate.y 📋	Safari	3/27/2023	389
api.CSSTranslate.z 📋	Safari	3/27/2023	389
api.CSSUnitValue 📋	Safari	3/27/2023	389
api.CSSUnitValue.CSSUnitValue 📋	Safari	3/27/2023	389
api.CSSUnitValue.unit 📋	Safari	3/27/2023	389
api.CSSUnitValue.value 📋	Safari	3/27/2023	389
api.CSSUnparsedValue 📋	Safari	3/27/2023	389
api.CSSUnparsedValue.@@iterator	Safari	3/27/2023	389
api.CSSUnparsedValue.CSSUnparsedValue 📋	Safari	3/27/2023	389
api.CSSUnparsedValue.entries	Safari	3/27/2023	389
api.CSSUnparsedValue.forEach	Safari	3/27/2023	389
api.CSSUnparsedValue.keys	Safari	3/27/2023	389
api.CSSUnparsedValue.length 📋	Safari	3/27/2023	389
api.CSSUnparsedValue.values	Safari	3/27/2023	389
api.CSSValue	Safari	10/26/2007	6020
api.CSSValue.cssText	Safari	10/22/2013	3832
api.CSSValue.cssValueType	Safari	10/22/2013	3832
api.CSSValueList	Safari	10/26/2007	6020
api.CSSValueList.item	Safari	10/26/2007	6020
api.CSSValueList.length	Safari	9/20/2016	2768
api.CSSVariableReferenceValue 📋	Safari	3/27/2023	389
api.CSSVariableReferenceValue.CSSVariableReferenceValue 📋	Safari	3/27/2023	389
api.CSSVariableReferenceValue.fallback 📋	Safari	3/27/2023	389
api.CSSVariableReferenceValue.variable 📋	Safari	3/27/2023	389
api.CanvasCaptureMediaStreamTrack 📋	Safari	9/19/2017	2404
api.CanvasCaptureMediaStreamTrack.canvas 📋	Safari	9/19/2017	2404
api.CanvasCaptureMediaStreamTrack.requestFrame 📋	Safari	9/19/2017	2404
api.CanvasRenderingContext2D.drawFocusIfNeeded.path_parameter	Safari	10/16/2014	3473
api.CanvasRenderingContext2D.filter 📋	Firefox	9/20/2016	2768
api.CanvasRenderingContext2D.fontKerning 📋	Firefox	8/23/2022	605
api.CanvasRenderingContext2D.fontStretch 📋	Firefox	8/29/2023	234
api.CanvasRenderingContext2D.fontVariantCaps 📋	Firefox	8/29/2023	234
api.CanvasRenderingContext2D.imageSmoothingQuality 📋	Safari	3/21/2016	2951
api.CanvasRenderingContext2D.letterSpacing 📋	Firefox	7/4/2023	290
api.CanvasRenderingContext2D.textRendering 📋	Firefox	8/1/2023	262
api.CanvasRenderingContext2D.wordSpacing 📋	Firefox	7/4/2023	290
api.CaretPosition 📋	Firefox	4/2/2013	4035
api.CaretPosition.getClientRect 📋	Firefox	8/6/2013	3909
api.CaretPosition.offset 📋	Firefox	4/2/2013	4035
api.CaretPosition.offsetNode 📋	Firefox	4/2/2013	4035
api.Clipboard.read 📋	Safari	3/24/2020	1487
api.Clipboard.readText 📋	Safari	3/24/2020	1487
api.Clipboard.write 📋	Safari	3/24/2020	1487
api.ClipboardItem 📋	Safari	3/24/2020	1487
api.ClipboardItem.ClipboardItem 📋	Safari	3/24/2020	1487
api.ClipboardItem.getType 📋	Safari	3/24/2020	1487
api.ClipboardItem.presentationStyle 📋	Safari	3/24/2020	1487
api.ClipboardItem.types 📋	Safari	3/24/2020	1487
api.CompositionEvent.locale	Firefox	12/20/2011	4504
api.ContentVisibilityAutoStateChangeEvent 📋	Firefox	2/14/2023	430
api.ContentVisibilityAutoStateChangeEvent.ContentVisibilityAutoStateChangeEvent 📋	Firefox	2/14/2023	430
api.ContentVisibilityAutoStateChangeEvent.skipped 📋	Firefox	2/14/2023	430
api.Counter	Safari	10/26/2007	6020
api.Counter.identifier	Safari	10/26/2007	6020
api.Counter.listStyle	Safari	10/26/2007	6020
api.Counter.separator	Safari	10/26/2007	6020
api.Credential.isConditionalMediationAvailable_static 📋	Safari	9/12/2022	585
api.CredentialsContainer.create.publicKey_option.extensions.credProps 📋	Firefox	10/24/2023	178
api.CredentialsContainer.create.publicKey_option.extensions.minPinLength	Firefox	11/21/2023	150
api.CredentialsContainer.create.publicKey_option.residentKey 📋	Firefox	6/6/2023	318
api.CustomElementRegistry.builtin_element_support	Firefox	10/23/2018	2005
api.CustomElementRegistry.define.disabledFeatures_static_property	Firefox	9/7/2021	955
api.CustomStateSet 📋	Firefox	12/19/2023	122
api.CustomStateSet.@@iterator 📋	Firefox	12/19/2023	122
api.CustomStateSet.add 📋	Firefox	12/19/2023	122
api.CustomStateSet.clear 📋	Firefox	12/19/2023	122
api.CustomStateSet.delete 📋	Firefox	12/19/2023	122
api.CustomStateSet.entries 📋	Firefox	12/19/2023	122
api.CustomStateSet.forEach 📋	Firefox	12/19/2023	122
api.CustomStateSet.has 📋	Firefox	12/19/2023	122
api.CustomStateSet.keys 📋	Firefox	12/19/2023	122
api.CustomStateSet.size 📋	Firefox	12/19/2023	122
api.CustomStateSet.values 📋	Firefox	12/19/2023	122
api.DOMException.serializable_object 📋	Firefox	5/31/2022	689
api.DOMMatrixReadOnly.scaleNonUniform 📋	Firefox	10/14/2014	3475
api.DataCue 📋	Safari	9/19/2017	2404
api.DataCue.DataCue 📋	Safari	9/19/2017	2404
api.DataCue.type 📋	Safari	9/19/2017	2404
api.DataCue.value 📋	Safari	9/19/2017	2404
api.DataTransfer.addElement	Firefox	6/30/2009	5407
api.DataTransfer.mozCursor	Firefox	6/30/2009	5407
api.DataTransfer.mozSourceNode	Firefox	3/22/2011	4777
api.DataTransfer.mozUserCancelled	Firefox	6/30/2009	5407
api.DeviceMotionEvent.DeviceMotionEvent 📋	Firefox	4/29/2014	3643
api.DeviceMotionEventAcceleration 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventAcceleration.x 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventAcceleration.y 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventAcceleration.z 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventRotationRate 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventRotationRate.alpha 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventRotationRate.beta 📋	Firefox	8/16/2011	4630
api.DeviceMotionEventRotationRate.gamma 📋	Firefox	8/16/2011	4630
api.DeviceOrientationEvent.DeviceOrientationEvent 📋	Firefox	11/20/2012	4168
api.Directory	Firefox	1/7/2020	1564
api.Directory.getFiles	Firefox	1/7/2020	1564
api.Directory.getFilesAndDirectories	Firefox	1/7/2020	1564
api.Directory.name	Firefox	1/7/2020	1564
api.Directory.path	Firefox	1/7/2020	1564
api.Document.afterscriptexecute_event	Firefox	12/20/2011	4504
api.Document.beforescriptexecute_event	Firefox	12/20/2011	4504
api.Document.caretPositionFromPoint 📋	Firefox	4/2/2013	4035
api.Document.caretRangeFromPoint	Safari	6/7/2010	5065
api.Document.createElement.options_parameter	Firefox	11/15/2016	2712
api.Document.createElementNS.options_parameter	Firefox	11/15/2016	2712
api.Document.enableStyleSheetsForSet	Firefox	6/17/2008	5785
api.Document.execCommand.defaultParagraphSeparator	Firefox	8/8/2017	2446
api.Document.execCommand.insertBrOnReturn	Firefox	11/29/2005	6716
api.Document.exitPictureInPicture 📋	Safari	3/24/2020	1487
api.Document.featurePolicy	Firefox	9/3/2019	1690
api.Document.getBoxQuads 📋	Firefox	7/22/2014	3559
api.Document.lastStyleSheetSet	Firefox	6/17/2008	5785
api.Document.mozSetImageElement	Firefox	3/22/2011	4777
api.Document.parseHTMLUnsafe_static 📋	Firefox	2/20/2024	59
api.Document.pictureInPictureElement 📋	Safari	3/24/2020	1487
api.Document.pictureInPictureEnabled 📋	Safari	3/24/2020	1487
api.Document.preferredStyleSheetSet	Firefox	6/17/2008	5785
api.Document.releaseCapture	Firefox	3/22/2011	4777
api.Document.scrollend_event 📋	Firefox	1/17/2023	458
api.Document.selectedStyleSheetSet	Firefox	6/17/2008	5785
api.Document.styleSheetSets	Firefox	6/17/2008	5785
api.Document.xmlEncoding 📋	Safari	10/26/2007	6020
api.Document.xmlStandalone 📋	Safari	10/26/2007	6020
api.Document.xmlVersion 📋	Safari	10/26/2007	6020
api.EXT_texture_norm16 📋	Safari	9/12/2022	585
api.Element.DOMMouseScroll_event	Firefox	11/9/2004	7101
api.Element.MozMousePixelScroll_event	Firefox	8/16/2011	4630
api.Element.afterscriptexecute_event	Firefox	10/24/2006	6387
api.Element.animate.options_iterationComposite_parameter 📋	Firefox	8/25/2020	1333
api.Element.animate.options_timeline_parameter 📋	Safari	9/12/2022	585
api.Element.ariaActiveDescendantElement 📋	Safari	3/27/2023	389
api.Element.ariaColIndexText 📋	Firefox	10/24/2023	178
api.Element.ariaControlsElements 📋	Safari	3/27/2023	389
api.Element.ariaDescribedByElements 📋	Safari	3/27/2023	389
api.Element.ariaDescription 📋	Firefox	10/24/2023	178
api.Element.ariaDetailsElements 📋	Safari	3/27/2023	389
api.Element.ariaErrorMessageElements 📋	Safari	3/27/2023	389
api.Element.ariaFlowToElements 📋	Safari	3/27/2023	389
api.Element.ariaLabelledByElements 📋	Safari	3/27/2023	389
api.Element.ariaOwnsElements 📋	Safari	3/27/2023	389
api.Element.ariaRowIndexText 📋	Firefox	10/24/2023	178
api.Element.auxclick_event 📋	Firefox	4/19/2017	2557
api.Element.beforescriptexecute_event	Firefox	10/24/2006	6387
api.Element.checkVisibility 📋	Firefox	10/18/2022	549
api.Element.checkVisibility.options_checkOpacity_parameter 📋	Firefox	10/18/2022	549
api.Element.checkVisibility.options_checkVisibilityCSS_parameter 📋	Firefox	10/18/2022	549
api.Element.computedStyleMap 📋	Safari	3/27/2023	389
api.Element.contentvisibilityautostatechange_event 📋	Firefox	2/14/2023	430
api.Element.getBoxQuads 📋	Firefox	7/22/2014	3559
api.Element.mousewheel_event	Safari	10/26/2007	6020
api.Element.requestFullscreen.options_navigationUI_parameter 📋	Safari	3/27/2023	389
api.Element.scrollIntoViewIfNeeded	Safari	10/26/2007	6020
api.Element.scrollLeftMax	Firefox	10/9/2012	4210
api.Element.scrollTopMax	Firefox	10/9/2012	4210
api.Element.scrollend_event 📋	Firefox	1/17/2023	458
api.Element.setCapture	Firefox	3/22/2011	4777
api.Element.setHTML 📋	Firefox	11/2/2021	899
api.Element.setHTMLUnsafe 📋	Firefox	2/20/2024	59
api.Element.touchcancel_event 📋	Firefox	3/7/2017	2600
api.Element.touchend_event 📋	Firefox	3/7/2017	2600
api.Element.touchmove_event 📋	Firefox	3/7/2017	2600
api.Element.touchstart_event 📋	Firefox	3/7/2017	2600
api.Element.webkitmouseforcechanged_event	Safari	9/30/2015	3124
api.Element.webkitmouseforcedown_event	Safari	9/30/2015	3124
api.Element.webkitmouseforceup_event	Safari	9/30/2015	3124
api.Element.webkitmouseforcewillbegin_event	Safari	9/30/2015	3124
api.ElementInternals.ariaActiveDescendantElement 📋	Safari	3/27/2023	389
api.ElementInternals.ariaColIndexText 📋	Firefox	10/24/2023	178
api.ElementInternals.ariaControlsElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaDescribedByElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaDescription 📋	Firefox	10/24/2023	178
api.ElementInternals.ariaDetailsElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaErrorMessageElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaFlowToElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaLabelledByElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaOwnsElements 📋	Safari	3/27/2023	389
api.ElementInternals.ariaRowIndexText 📋	Firefox	10/24/2023	178
api.ElementInternals.states 📋	Firefox	12/19/2023	122
api.EncodedVideoChunk 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.EncodedVideoChunk 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.byteLength 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.copyTo 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.duration 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.timestamp 📋	Safari	3/27/2023	389
api.EncodedVideoChunk.type 📋	Safari	3/27/2023	389
api.Event.explicitOriginalTarget	Firefox	11/29/2005	6716
api.Event.originalTarget	Firefox	11/29/2005	6716
api.EventCounts 📋	Firefox	6/1/2021	1053
api.EventCounts.@@iterator	Firefox	6/1/2021	1053
api.EventCounts.entries	Firefox	6/1/2021	1053
api.EventCounts.forEach	Firefox	6/1/2021	1053
api.EventCounts.get	Firefox	6/1/2021	1053
api.EventCounts.has	Firefox	6/1/2021	1053
api.EventCounts.keys	Firefox	6/1/2021	1053
api.EventCounts.size	Firefox	6/1/2021	1053
api.EventCounts.values	Firefox	6/1/2021	1053
api.EventTarget.addEventListener.options_parameter.options_passive_parameter_default_true_wheel	Firefox	12/15/2020	1221
api.External 📋	Firefox	10/24/2006	6387
api.External.AddSearchProvider 📋	Firefox	10/24/2006	6387
api.External.IsSearchProviderInstalled 📋	Firefox	10/24/2006	6387
api.FeaturePolicy	Firefox	1/29/2019	1907
api.FeaturePolicy.allowedFeatures	Firefox	1/29/2019	1907
api.FeaturePolicy.allowsFeature	Firefox	1/29/2019	1907
api.FeaturePolicy.features	Firefox	10/22/2019	1641
api.FeaturePolicy.getAllowlistForFeature	Firefox	1/29/2019	1907
api.FetchEvent.respondWith.networkerror_on_same-origin_cors	Firefox	3/13/2018	2229
api.FetchEvent.respondWith.resource_url	Firefox	3/13/2018	2229
api.FileSystemFileHandle.createWritable 📋	Firefox	3/14/2023	402
api.FileSystemSync	Safari	7/25/2012	4286
api.FileSystemSync.name	Safari	7/25/2012	4286
api.FileSystemSync.root	Safari	7/25/2012	4286
api.FileSystemWritableFileStream 📋	Firefox	3/14/2023	402
api.FileSystemWritableFileStream.seek 📋	Firefox	3/14/2023	402
api.FileSystemWritableFileStream.truncate 📋	Firefox	3/14/2023	402
api.FileSystemWritableFileStream.write 📋	Firefox	3/14/2023	402
api.FontFace.ascentOverride 📋	Firefox	6/1/2021	1053
api.FontFace.descentOverride 📋	Firefox	6/1/2021	1053
api.FontFace.lineGapOverride 📋	Firefox	6/1/2021	1053
api.FontFace.variant 📋	Firefox	9/22/2015	3132
api.FontFace.variationSettings 📋	Firefox	9/5/2018	2053
api.FontFace.worker_support	Firefox	9/20/2022	577
api.FontFaceSet.FontFaceSet 📋	Safari	9/20/2016	2768
api.FontFaceSet.worker_support	Firefox	9/20/2022	577
api.FontFaceSetLoadEvent 📋	Firefox	9/22/2015	3132
api.FontFaceSetLoadEvent.FontFaceSetLoadEvent 📋	Firefox	9/22/2015	3132
api.FontFaceSetLoadEvent.fontfaces 📋	Firefox	9/22/2015	3132
api.FontFaceSetLoadEvent.worker_support	Firefox	9/20/2022	577
api.Gamepad.displayId	Firefox	3/8/2022	773
api.Gamepad.hand 📋	Firefox	8/8/2017	2446
api.Gamepad.hapticActuators 📋	Firefox	8/8/2017	2446
api.Gamepad.pose 📋	Firefox	8/8/2017	2446
api.Gamepad.secure_context_required	Firefox	8/10/2021	983
api.Gamepad.vibrationActuator	Safari	3/27/2023	389
api.GamepadButton.secure_context_required	Firefox	8/10/2021	983
api.GamepadButton.touched 📋	Firefox	8/8/2017	2446
api.GamepadEvent.secure_context_required	Firefox	8/10/2021	983
api.GamepadHapticActuator.canPlayEffectType 📋	Safari	3/27/2023	389
api.GamepadHapticActuator.playEffect	Safari	3/27/2023	389
api.GamepadHapticActuator.pulse 📋	Firefox	8/8/2017	2446
api.GamepadHapticActuator.reset	Safari	3/27/2023	389
api.GamepadHapticActuator.secure_context_required	Firefox	8/10/2021	983
api.GamepadPose 📋	Firefox	8/8/2017	2446
api.GamepadPose.angularAcceleration 📋	Firefox	8/8/2017	2446
api.GamepadPose.angularVelocity 📋	Firefox	8/8/2017	2446
api.GamepadPose.hasOrientation 📋	Firefox	8/8/2017	2446
api.GamepadPose.hasPosition 📋	Firefox	8/8/2017	2446
api.GamepadPose.linearAcceleration 📋	Firefox	8/8/2017	2446
api.GamepadPose.linearVelocity 📋	Firefox	8/8/2017	2446
api.GamepadPose.orientation 📋	Firefox	8/8/2017	2446
api.GamepadPose.position 📋	Firefox	8/8/2017	2446
api.GamepadPose.secure_context_required	Firefox	8/10/2021	983
api.GestureEvent	Safari	9/30/2015	3124
api.GestureEvent.altKey	Safari	9/30/2015	3124
api.GestureEvent.clientX	Safari	9/30/2015	3124
api.GestureEvent.clientY	Safari	9/30/2015	3124
api.GestureEvent.ctrlKey	Safari	9/30/2015	3124
api.GestureEvent.initGestureEvent	Safari	9/30/2015	3124
api.GestureEvent.metaKey	Safari	9/30/2015	3124
api.GestureEvent.rotation	Safari	9/30/2015	3124
api.GestureEvent.scale	Safari	9/30/2015	3124
api.GestureEvent.screenX	Safari	9/30/2015	3124
api.GestureEvent.screenY	Safari	9/30/2015	3124
api.GestureEvent.shiftKey	Safari	9/30/2015	3124
api.GestureEvent.target	Safari	9/30/2015	3124
api.HMDVRDevice	Firefox	7/2/2015	3214
api.HMDVRDevice.getEyeParameters	Firefox	7/2/2015	3214
api.HMDVRDevice.setFieldOfView	Firefox	7/2/2015	3214
api.HTMLAnchorElement.attributionSourceId 📋	Safari	3/14/2022	767
api.HTMLButtonElement.popoverTargetAction 📋	Safari	9/18/2023	214
api.HTMLButtonElement.popoverTargetElement 📋	Safari	9/18/2023	214
api.HTMLCanvasElement.getContext.2d_context.options_alpha_parameter 📋	Firefox	6/10/2014	3601
api.HTMLCanvasElement.getContext.2d_context.options_colorSpace_parameter 📋	Safari	12/13/2021	858
api.HTMLCanvasElement.getContext.2d_context.options_desynchronized_parameter 📋	Safari	9/20/2021	942
api.HTMLCanvasElement.getContext.2d_context.options_willReadFrequently_parameter 📋	Firefox	3/18/2014	3685
api.HTMLCanvasElement.getContext.bitmaprenderer_context.options_alpha_parameter 📋	Safari	4/12/2018	2199
api.HTMLCanvasElement.mozOpaque	Firefox	6/30/2009	5407
api.HTMLCanvasElement.mozPrintCallback	Firefox	1/8/2013	4119
api.HTMLCanvasElement.toBlob.type_parameter_webp	Firefox	1/11/2022	829
api.HTMLCanvasElement.toDataURL.type_parameter_webp	Firefox	1/11/2022	829
api.HTMLDetailsElement.name	Safari	12/11/2023	130
api.HTMLElement.attributeStyleMap 📋	Safari	3/27/2023	389
api.HTMLElement.autocapitalize 📋	Firefox	3/14/2023	402
api.HTMLElement.beforetoggle_event 📋	Safari	9/18/2023	214
api.HTMLElement.focus.options_focusVisible_parameter	Firefox	8/23/2022	605
api.HTMLElement.hidePopover 📋	Safari	9/18/2023	214
api.HTMLElement.popover 📋	Safari	9/18/2023	214
api.HTMLElement.showPopover 📋	Safari	9/18/2023	214
api.HTMLElement.togglePopover 📋	Safari	9/18/2023	214
api.HTMLElement.togglePopover.returns_boolean	Safari	9/18/2023	214
api.HTMLElement.toggle_event 📋	Safari	9/18/2023	214
api.HTMLIFrameElement.featurePolicy	Firefox	9/3/2019	1690
api.HTMLImageElement.fetchPriority 📋	Safari	12/11/2023	130
api.HTMLInputElement.popoverTargetAction 📋	Safari	9/18/2023	214
api.HTMLInputElement.popoverTargetElement 📋	Safari	9/18/2023	214
api.HTMLInputElement.selectionchange_event 📋	Firefox	9/7/2021	955
api.HTMLInputElement.showPicker.date_input	Firefox	5/31/2022	689
api.HTMLInputElement.showPicker.datetime_local_input	Firefox	5/31/2022	689
api.HTMLInputElement.showPicker.time_input	Safari	9/12/2022	585
api.HTMLLinkElement.fetchPriority 📋	Safari	12/11/2023	130
api.HTMLMarqueeElement.bounce_event	Firefox	1/29/2019	1907
api.HTMLMarqueeElement.finish_event	Firefox	1/29/2019	1907
api.HTMLMarqueeElement.start_event	Firefox	1/29/2019	1907
api.HTMLMediaElement.captureStream 📋	Firefox	8/28/2012	4252
api.HTMLMediaElement.controller	Safari	7/25/2012	4286
api.HTMLMediaElement.disableRemotePlayback 📋	Safari	3/24/2020	1487
api.HTMLMediaElement.getStartDate 📋	Safari	9/30/2015	3124
api.HTMLMediaElement.mediaGroup	Safari	7/25/2012	4286
api.HTMLMediaElement.mozAudioCaptured	Firefox	8/28/2012	4252
api.HTMLMediaElement.mozCaptureStreamUntilEnded	Firefox	8/28/2012	4252
api.HTMLMediaElement.mozFragmentEnd	Firefox	12/20/2011	4504
api.HTMLMediaElement.mozGetMetadata	Firefox	11/20/2012	4168
api.HTMLMediaElement.remote 📋	Safari	3/24/2020	1487
api.HTMLMediaElement.seekToNextFrame	Firefox	9/28/2017	2395
api.HTMLMediaElement.setSinkId 📋	Firefox	8/1/2023	262
api.HTMLMediaElement.sinkId 📋	Firefox	8/1/2023	262
api.HTMLOutputElement.HTMLOutputElement 📋	Safari	9/20/2021	942
api.HTMLScriptElement.fetchPriority 📋	Safari	12/11/2023	130
api.HTMLSelectElement.showPicker 📋	Firefox	1/23/2024	87
api.HTMLTextAreaElement.autocapitalize	Firefox	3/14/2023	402
api.HTMLTextAreaElement.selectionchange_event 📋	Firefox	9/7/2021	955
api.HTMLVideoElement.cancelVideoFrameCallback 📋	Safari	3/14/2022	767
api.HTMLVideoElement.enterpictureinpicture_event 📋	Safari	3/24/2020	1487
api.HTMLVideoElement.leavepictureinpicture_event 📋	Safari	3/24/2020	1487
api.HTMLVideoElement.mozDecodedFrames	Firefox	6/21/2011	4686
api.HTMLVideoElement.mozFrameDelay	Firefox	6/21/2011	4686
api.HTMLVideoElement.mozHasAudio	Firefox	8/28/2012	4252
api.HTMLVideoElement.mozPaintedFrames	Firefox	6/21/2011	4686
api.HTMLVideoElement.mozParsedFrames	Firefox	6/21/2011	4686
api.HTMLVideoElement.mozPresentedFrames	Firefox	6/21/2011	4686
api.HTMLVideoElement.playsInline 📋	Safari	9/20/2016	2768
api.HTMLVideoElement.requestPictureInPicture 📋	Safari	3/24/2020	1487
api.HTMLVideoElement.requestVideoFrameCallback 📋	Safari	3/14/2022	767
api.Headers.lexicographical_sorting	Firefox	1/26/2016	3006
api.Highlight 📋	Safari	12/11/2023	130
api.Highlight.@@iterator	Safari	12/11/2023	130
api.Highlight.Highlight 📋	Safari	12/11/2023	130
api.Highlight.add	Safari	12/11/2023	130
api.Highlight.clear	Safari	12/11/2023	130
api.Highlight.delete	Safari	12/11/2023	130
api.Highlight.entries	Safari	12/11/2023	130
api.Highlight.forEach	Safari	12/11/2023	130
api.Highlight.has	Safari	12/11/2023	130
api.Highlight.keys	Safari	12/11/2023	130
api.Highlight.priority 📋	Safari	12/11/2023	130
api.Highlight.size	Safari	12/11/2023	130
api.Highlight.type 📋	Safari	12/11/2023	130
api.Highlight.values	Safari	12/11/2023	130
api.HighlightRegistry 📋	Safari	12/11/2023	130
api.HighlightRegistry.@@iterator	Safari	12/11/2023	130
api.HighlightRegistry.clear	Safari	12/11/2023	130
api.HighlightRegistry.delete	Safari	12/11/2023	130
api.HighlightRegistry.entries	Safari	12/11/2023	130
api.HighlightRegistry.forEach	Safari	12/11/2023	130
api.HighlightRegistry.get	Safari	12/11/2023	130
api.HighlightRegistry.has	Safari	12/11/2023	130
api.HighlightRegistry.keys	Safari	12/11/2023	130
api.HighlightRegistry.set	Safari	12/11/2023	130
api.HighlightRegistry.size	Safari	12/11/2023	130
api.HighlightRegistry.values	Safari	12/11/2023	130
api.History.pushState.unused_parameter	Safari	6/7/2010	5065
api.History.replaceState.unused_parameter	Safari	6/7/2010	5065
api.IDBFactory.databases 📋	Safari	9/16/2020	1311
api.IDBIndex.isAutoLocale	Firefox	12/15/2015	3048
api.IDBIndex.locale	Firefox	12/15/2015	3048
api.IDBObjectStore.createIndex.options_locale_parameter	Firefox	12/15/2015	3048
api.IDBRequest.error.DOMException	Firefox	1/23/2018	2278
api.IDBTransaction.durability 📋	Safari	9/20/2021	942
api.IDBTransaction.error.DOMException	Firefox	1/23/2018	2278
api.IdleDeadline 📋	Firefox	8/8/2017	2446
api.IdleDeadline.didTimeout 📋	Firefox	8/8/2017	2446
api.IdleDeadline.timeRemaining 📋	Firefox	8/8/2017	2446
api.ImageCapture 📋	Firefox	1/13/2015	3384
api.ImageCapture.ImageCapture 📋	Firefox	1/13/2015	3384
api.ImageCapture.takePhoto 📋	Firefox	1/13/2015	3384
api.ImageCapture.track 📋	Firefox	1/13/2015	3384
api.ImageData.colorSpace 📋	Safari	12/13/2021	858
api.InputDeviceInfo.getCapabilities 📋	Safari	9/18/2023	214
api.InputEvent.inputType.insertFromPasteAsQuotation	Firefox	5/21/2019	1795
api.IntersectionObserver.IntersectionObserver.options_root_parameter_Document	Firefox	5/5/2020	1445
api.IntersectionObserverEntry.IntersectionObserverEntry	Safari	3/25/2019	1852
api.KHR_parallel_shader_compile 📋	Safari	4/26/2021	1089
api.KeyboardEvent.getModifierState.key_parameter_accel	Firefox	9/2/2014	3517
api.KeyboardEvent.getModifierState.key_parameter_fn	Firefox	8/28/2012	4252
api.KeyboardEvent.getModifierState.key_parameter_numlock	Firefox	8/28/2012	4252
api.KeyboardEvent.getModifierState.key_parameter_os	Firefox	8/28/2012	4252
api.KeyboardEvent.getModifierState.key_parameter_scrolllock	Firefox	8/28/2012	4252
api.KeyboardEvent.keyIdentifier	Safari	2/2/2004	7382
api.LargestContentfulPaint 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.element 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.id 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.loadTime 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.renderTime 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.size 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.toJSON 📋	Firefox	1/23/2024	87
api.LargestContentfulPaint.url 📋	Firefox	1/23/2024	87
api.Location.ancestorOrigins 📋	Safari	7/25/2012	4286
api.MIDIAccess 📋	Firefox	12/13/2022	493
api.MIDIAccess.inputs 📋	Firefox	12/13/2022	493
api.MIDIAccess.outputs 📋	Firefox	12/13/2022	493
api.MIDIAccess.statechange_event 📋	Firefox	12/13/2022	493
api.MIDIAccess.sysexEnabled 📋	Firefox	12/13/2022	493
api.MIDIConnectionEvent 📋	Firefox	12/13/2022	493
api.MIDIConnectionEvent.MIDIConnectionEvent 📋	Firefox	12/13/2022	493
api.MIDIConnectionEvent.port 📋	Firefox	12/13/2022	493
api.MIDIInput 📋	Firefox	12/13/2022	493
api.MIDIInput.midimessage_event 📋	Firefox	12/13/2022	493
api.MIDIInputMap 📋	Firefox	12/13/2022	493
api.MIDIInputMap.@@iterator	Firefox	12/13/2022	493
api.MIDIInputMap.entries	Firefox	12/13/2022	493
api.MIDIInputMap.forEach	Firefox	12/13/2022	493
api.MIDIInputMap.get	Firefox	12/13/2022	493
api.MIDIInputMap.has	Firefox	12/13/2022	493
api.MIDIInputMap.keys	Firefox	12/13/2022	493
api.MIDIInputMap.size	Firefox	12/13/2022	493
api.MIDIInputMap.values	Firefox	12/13/2022	493
api.MIDIMessageEvent 📋	Firefox	12/13/2022	493
api.MIDIMessageEvent.MIDIMessageEvent 📋	Firefox	12/13/2022	493
api.MIDIMessageEvent.data 📋	Firefox	12/13/2022	493
api.MIDIOutput 📋	Firefox	12/13/2022	493
api.MIDIOutput.clear 📋	Firefox	12/13/2022	493
api.MIDIOutput.send 📋	Firefox	12/13/2022	493
api.MIDIOutputMap 📋	Firefox	12/13/2022	493
api.MIDIOutputMap.@@iterator	Firefox	12/13/2022	493
api.MIDIOutputMap.entries	Firefox	12/13/2022	493
api.MIDIOutputMap.forEach	Firefox	12/13/2022	493
api.MIDIOutputMap.get	Firefox	12/13/2022	493
api.MIDIOutputMap.has	Firefox	12/13/2022	493
api.MIDIOutputMap.keys	Firefox	12/13/2022	493
api.MIDIOutputMap.size	Firefox	12/13/2022	493
api.MIDIOutputMap.values	Firefox	12/13/2022	493
api.MIDIPort 📋	Firefox	12/13/2022	493
api.MIDIPort.close 📋	Firefox	12/13/2022	493
api.MIDIPort.connection 📋	Firefox	12/13/2022	493
api.MIDIPort.id 📋	Firefox	12/13/2022	493
api.MIDIPort.manufacturer 📋	Firefox	12/13/2022	493
api.MIDIPort.name 📋	Firefox	12/13/2022	493
api.MIDIPort.open 📋	Firefox	12/13/2022	493
api.MIDIPort.state 📋	Firefox	12/13/2022	493
api.MIDIPort.statechange_event 📋	Firefox	12/13/2022	493
api.MIDIPort.type 📋	Firefox	12/13/2022	493
api.MIDIPort.version 📋	Firefox	12/13/2022	493
api.ManagedMediaSource 📋	Safari	9/18/2023	214
api.ManagedMediaSource.ManagedMediaSource 📋	Safari	9/18/2023	214
api.ManagedMediaSource.endstreaming_event 📋	Safari	9/18/2023	214
api.ManagedMediaSource.startstreaming_event 📋	Safari	9/18/2023	214
api.ManagedMediaSource.streaming 📋	Safari	9/18/2023	214
api.ManagedSourceBuffer 📋	Safari	9/18/2023	214
api.ManagedSourceBuffer.bufferedchange_event 📋	Safari	9/18/2023	214
api.MathMLElement.attributeStyleMap 📋	Safari	3/27/2023	389
api.MathMLElement.nonce 📋	Safari	3/14/2022	767
api.MediaController	Safari	3/24/2020	1487
api.MediaController.MediaController	Safari	3/24/2020	1487
api.MediaController.buffered	Safari	3/24/2020	1487
api.MediaController.currentTime	Safari	3/24/2020	1487
api.MediaController.defaultPlaybackRate	Safari	3/24/2020	1487
api.MediaController.duration	Safari	3/24/2020	1487
api.MediaController.muted	Safari	3/24/2020	1487
api.MediaController.pause	Safari	3/24/2020	1487
api.MediaController.paused	Safari	3/24/2020	1487
api.MediaController.play	Safari	3/24/2020	1487
api.MediaController.playbackRate	Safari	3/24/2020	1487
api.MediaController.playbackState	Safari	3/24/2020	1487
api.MediaController.played	Safari	3/24/2020	1487
api.MediaController.seekable	Safari	3/24/2020	1487
api.MediaController.unpause	Safari	3/24/2020	1487
api.MediaController.volume	Safari	3/24/2020	1487
api.MediaDevices.selectAudioOutput 📋	Firefox	8/1/2023	262
api.MediaStreamEvent	Firefox	9/17/2013	3867
api.MediaStreamEvent.MediaStreamEvent	Firefox	9/17/2013	3867
api.MediaStreamEvent.stream	Firefox	9/17/2013	3867
api.MediaStreamTrack.contentHint 📋	Safari	3/25/2019	1852
api.MediaStreamTrack.getCapabilities 📋	Safari	9/19/2017	2404
api.MediaStreamTrackAudioSourceNode 📋	Firefox	7/9/2019	1746
api.MediaStreamTrackAudioSourceNode.MediaStreamTrackAudioSourceNode 📋	Firefox	7/9/2019	1746
api.MediaTrackConstraints.aspectRatio 📋	Safari	9/19/2017	2404
api.MediaTrackConstraints.autoGainControl 📋	Firefox	8/8/2017	2446
api.MediaTrackConstraints.channelCount 📋	Safari	9/19/2017	2404
api.MediaTrackConstraints.displaySurface 📋	Safari	4/12/2018	2199
api.MediaTrackConstraints.logicalSurface 📋	Safari	4/12/2018	2199
api.MediaTrackConstraints.noiseSuppression 📋	Firefox	8/8/2017	2446
api.MediaTrackConstraints.sampleRate 📋	Safari	9/19/2017	2404
api.MediaTrackConstraints.sampleSize 📋	Safari	9/19/2017	2404
api.MediaTrackConstraints.volume	Safari	9/19/2017	2404
api.MediaTrackSettings.aspectRatio 📋	Safari	9/19/2017	2404
api.MediaTrackSettings.autoGainControl 📋	Firefox	8/8/2017	2446
api.MediaTrackSettings.channelCount 📋	Safari	9/19/2017	2404
api.MediaTrackSettings.displaySurface 📋	Safari	3/27/2023	389
api.MediaTrackSettings.latency 📋	Safari	9/19/2017	2404
api.MediaTrackSettings.logicalSurface 📋	Safari	4/12/2018	2199
api.MediaTrackSettings.noiseSuppression 📋	Firefox	8/8/2017	2446
api.MediaTrackSettings.sampleRate 📋	Safari	9/19/2017	2404
api.MediaTrackSettings.sampleSize 📋	Safari	9/19/2017	2404
api.MediaTrackSettings.volume	Safari	9/19/2017	2404
api.MediaTrackSupportedConstraints.aspectRatio 📋	Safari	9/19/2017	2404
api.MediaTrackSupportedConstraints.autoGainControl 📋	Firefox	8/8/2017	2446
api.MediaTrackSupportedConstraints.displaySurface 📋	Safari	4/12/2018	2199
api.MediaTrackSupportedConstraints.latency 📋	Safari	9/19/2017	2404
api.MediaTrackSupportedConstraints.logicalSurface 📋	Safari	4/12/2018	2199
api.MediaTrackSupportedConstraints.noiseSuppression 📋	Firefox	8/8/2017	2446
api.MediaTrackSupportedConstraints.sampleRate 📋	Safari	9/19/2017	2404
api.MediaTrackSupportedConstraints.sampleSize 📋	Safari	9/19/2017	2404
api.MediaTrackSupportedConstraints.volume	Safari	9/19/2017	2404
api.MerchantValidationEvent	Safari	4/12/2018	2199
api.MerchantValidationEvent.MerchantValidationEvent	Safari	3/25/2019	1852
api.MerchantValidationEvent.complete	Safari	4/12/2018	2199
api.MerchantValidationEvent.methodName	Safari	3/25/2019	1852
api.MerchantValidationEvent.validationURL	Safari	4/12/2018	2199
api.MouseEvent.getModifierState.accel_support	Firefox	9/2/2014	3517
api.MouseScrollEvent	Firefox	6/30/2009	5407
api.Navigator.activeVRDisplays	Firefox	3/8/2022	773
api.Navigator.activeVRDisplays.secure_context_required	Firefox	2/11/2020	1529
api.Navigator.audioSession 📋	Safari	3/27/2023	389
api.Navigator.buildID	Firefox	10/24/2006	6387
api.Navigator.canShare.data_files_parameter 📋	Safari	9/20/2021	942
api.Navigator.clearAppBadge 📋	Safari	9/18/2023	214
api.Navigator.doNotTrack	Firefox	12/20/2011	4504
api.Navigator.getAutoplayPolicy 📋	Firefox	4/11/2023	374
api.Navigator.getGamepads.secure_context_required	Firefox	8/10/2021	983
api.Navigator.getUserMedia 📋	Firefox	11/20/2012	4168
api.Navigator.getVRDisplays	Firefox	3/8/2022	773
api.Navigator.globalPrivacyControl	Firefox	11/21/2023	150
api.Navigator.hardwareConcurrency 📋	Firefox	8/2/2016	2817
api.Navigator.mimeTypes.returns_plugin_type	Safari	6/23/2003	7606
api.Navigator.oscpu 📋	Firefox	11/9/2004	7101
api.Navigator.plugins.returns_plugins	Safari	6/23/2003	7606
api.Navigator.registerProtocolHandler 📋	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_bitcoin	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_ftp	Firefox	3/8/2022	773
api.Navigator.registerProtocolHandler.scheme_parameter_ftps	Firefox	3/8/2022	773
api.Navigator.registerProtocolHandler.scheme_parameter_geo	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_im	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_irc	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_ircs	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_magnet	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_mailto	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_matrix	Firefox	7/13/2021	1011
api.Navigator.registerProtocolHandler.scheme_parameter_mms	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_news	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_nntp	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_openpgp4fpr	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_sftp	Firefox	3/8/2022	773
api.Navigator.registerProtocolHandler.scheme_parameter_sip	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_sms	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_smsto	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_ssh	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_tel	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_urn	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_webcal	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_wtai	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.scheme_parameter_xmpp	Firefox	10/24/2006	6387
api.Navigator.registerProtocolHandler.secure_context_required	Firefox	9/5/2018	2053
api.Navigator.requestMIDIAccess 📋	Firefox	12/13/2022	493
api.Navigator.requestMIDIAccess.secure_context_required	Firefox	12/13/2022	493
api.Navigator.setAppBadge 📋	Safari	9/18/2023	214
api.Navigator.share.data_files_parameter 📋	Safari	9/20/2021	942
api.Navigator.taintEnabled 📋	Firefox	11/9/2004	7101
api.Navigator.vibrate 📋	Firefox	10/9/2012	4210
api.NodeIterator.detach 📋	Safari	10/26/2007	6020
api.Notification.badge 📋	Safari	9/18/2023	214
api.Notification.requireInteraction 📋	Firefox	8/29/2023	234
api.Notification.secure_context_required	Firefox	5/21/2019	1795
api.Notification.silent 📋	Safari	7/24/2023	270
api.Notification.worker_support	Firefox	9/22/2015	3132
api.NotificationEvent.action 📋	Firefox	1/26/2016	3006
api.NotificationEvent.notification 📋	Firefox	1/26/2016	3006
api.OVR_multiview2 📋	Firefox	12/10/2019	1592
api.OVR_multiview2.framebufferTextureMultiviewOVR 📋	Firefox	12/10/2019	1592
api.OfflineAudioContext.suspend 📋	Safari	9/30/2015	3124
api.OffscreenCanvas.contextlost_event 📋	Firefox	9/20/2022	577
api.OffscreenCanvas.contextrestored_event 📋	Firefox	9/20/2022	577
api.OffscreenCanvas.convertToBlob.option_type_parameter_webp	Firefox	9/20/2022	577
api.OffscreenCanvas.getContext.webgl2_context	Firefox	9/20/2022	577
api.OffscreenCanvas.getContext.webgl_context	Firefox	9/20/2022	577
api.OffscreenCanvasRenderingContext2D.filter 📋	Firefox	8/1/2023	262
api.OffscreenCanvasRenderingContext2D.fontKerning 📋	Firefox	9/20/2022	577
api.OffscreenCanvasRenderingContext2D.fontStretch 📋	Firefox	8/29/2023	234
api.OffscreenCanvasRenderingContext2D.fontVariantCaps 📋	Firefox	8/29/2023	234
api.OffscreenCanvasRenderingContext2D.imageSmoothingQuality 📋	Safari	3/27/2023	389
api.OffscreenCanvasRenderingContext2D.letterSpacing 📋	Firefox	7/4/2023	290
api.OffscreenCanvasRenderingContext2D.textRendering 📋	Firefox	8/1/2023	262
api.OffscreenCanvasRenderingContext2D.wordSpacing 📋	Firefox	7/4/2023	290
api.OverconstrainedError 📋	Safari	9/19/2017	2404
api.OverconstrainedError.OverconstrainedError 📋	Safari	9/19/2017	2404
api.OverconstrainedError.constraint 📋	Safari	4/12/2018	2199
api.PaymentAddress	Safari	4/12/2018	2199
api.PaymentAddress.addressLine	Safari	4/12/2018	2199
api.PaymentAddress.city	Safari	4/12/2018	2199
api.PaymentAddress.country	Safari	4/12/2018	2199
api.PaymentAddress.dependentLocality	Safari	4/12/2018	2199
api.PaymentAddress.organization	Safari	4/12/2018	2199
api.PaymentAddress.phone	Safari	4/12/2018	2199
api.PaymentAddress.postalCode	Safari	4/12/2018	2199
api.PaymentAddress.recipient	Safari	4/12/2018	2199
api.PaymentAddress.region	Safari	4/12/2018	2199
api.PaymentAddress.sortingCode	Safari	4/12/2018	2199
api.PaymentAddress.toJSON	Safari	4/12/2018	2199
api.Performance.eventCounts 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming.cancelable 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming.processingEnd 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming.processingStart 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming.target 📋	Firefox	6/1/2021	1053
api.PerformanceEventTiming.toJSON 📋	Firefox	6/1/2021	1053
api.Permissions.permission_camera	Safari	9/12/2022	585
api.Permissions.permission_microphone	Safari	9/12/2022	585
api.Permissions.permission_midi 📋	Firefox	2/14/2023	430
api.Permissions.permission_notifications	Firefox	4/26/2016	2915
api.Permissions.permission_persistent-storage	Firefox	4/19/2017	2557
api.Permissions.permission_push	Firefox	4/26/2016	2915
api.Permissions.permission_screen-wake-lock 📋	Firefox	3/19/2024	31
api.Permissions.permission_storage-access 📋	Firefox	8/29/2023	234
api.Permissions.revoke 📋	Firefox	1/24/2017	2642
api.PictureInPictureEvent 📋	Safari	9/12/2022	585
api.PictureInPictureEvent.PictureInPictureEvent 📋	Safari	9/12/2022	585
api.PictureInPictureEvent.pictureInPictureWindow 📋	Safari	3/24/2020	1487
api.PictureInPictureWindow 📋	Safari	3/24/2020	1487
api.PictureInPictureWindow.height 📋	Safari	3/24/2020	1487
api.PictureInPictureWindow.resize_event 📋	Safari	3/24/2020	1487
api.PictureInPictureWindow.width 📋	Safari	3/24/2020	1487
api.PointerEvent.getCoalescedEvents 📋	Firefox	3/13/2018	2229
api.PointerEvent.getPredictedEvents 📋	Firefox	6/1/2021	1053
api.PositionSensorVRDevice	Firefox	7/2/2015	3214
api.PositionSensorVRDevice.getImmediateState	Firefox	7/2/2015	3214
api.PositionSensorVRDevice.getState	Firefox	7/2/2015	3214
api.PositionSensorVRDevice.resetSensor	Firefox	7/2/2015	3214
api.PublicKeyCredential.parseCreationOptionsFromJSON_static 📋	Firefox	10/24/2023	178
api.PublicKeyCredential.parseRequestOptionsFromJSON_static 📋	Firefox	10/24/2023	178
api.PublicKeyCredential.toJSON 📋	Firefox	10/24/2023	178
api.PushManager.hasPermission	Firefox	1/26/2016	3006
api.PushManager.register	Firefox	1/26/2016	3006
api.PushManager.registrations	Firefox	1/26/2016	3006
api.PushManager.supportedContentEncodings_static 📋	Safari	9/12/2022	585
api.PushManager.unregister	Firefox	1/26/2016	3006
api.PushManager.worker_support	Firefox	1/26/2016	3006
api.PushSubscriptionChangeEvent 📋	Safari	9/12/2022	585
api.PushSubscriptionChangeEvent.PushSubscriptionChangeEvent 📋	Safari	10/24/2022	543
api.PushSubscriptionChangeEvent.newSubscription 📋	Safari	9/12/2022	585
api.PushSubscriptionChangeEvent.oldSubscription 📋	Safari	9/12/2022	585
api.PushSubscriptionOptions.userVisibleOnly 📋	Safari	9/12/2022	585
api.RGBColor	Safari	10/26/2007	6020
api.RGBColor.blue	Safari	10/26/2007	6020
api.RGBColor.green	Safari	10/26/2007	6020
api.RGBColor.red	Safari	10/26/2007	6020
api.RTCCertificate.getFingerprints 📋	Safari	3/25/2019	1852
api.RTCDTMFSender.canInsertDTMF 📋	Safari	3/24/2020	1487
api.RTCDataChannel.closing_event 📋	Safari	3/14/2022	767
api.RTCDataChannel.priority 📋	Safari	9/20/2021	942
api.RTCDataChannel.reliable	Firefox	6/25/2013	3951
api.RTCDataChannel.sctp_sdp_21	Firefox	10/23/2018	2005
api.RTCDataChannel.transferable 📋	Safari	9/20/2021	942
api.RTCDtlsTransport.error_event	Safari	3/14/2022	767
api.RTCDtlsTransport.getRemoteCertificates 📋	Safari	3/14/2022	767
api.RTCDtlsTransport.iceTransport 📋	Safari	3/14/2022	767
api.RTCError 📋	Safari	3/14/2022	767
api.RTCError.RTCError 📋	Safari	3/14/2022	767
api.RTCError.errorDetail 📋	Safari	3/14/2022	767
api.RTCError.receivedAlert 📋	Safari	3/14/2022	767
api.RTCError.sctpCauseCode 📋	Safari	3/14/2022	767
api.RTCError.sdpLineNumber 📋	Safari	3/14/2022	767
api.RTCError.sentAlert 📋	Safari	3/14/2022	767
api.RTCErrorEvent 📋	Safari	3/14/2022	767
api.RTCErrorEvent.RTCErrorEvent 📋	Safari	3/14/2022	767
api.RTCErrorEvent.error 📋	Safari	3/14/2022	767
api.RTCIceCandidate.address 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.component 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.foundation 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.port 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.priority 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.protocol 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.relatedAddress 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.relatedPort 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.tcpType 📋	Safari	4/26/2021	1089
api.RTCIceCandidate.type 📋	Safari	4/26/2021	1089
api.RTCIceTransport 📋	Safari	9/19/2017	2404
api.RTCIceTransport.gatheringState 📋	Safari	9/19/2017	2404
api.RTCIceTransport.gatheringstatechange_event 📋	Safari	3/14/2022	767
api.RTCIceTransport.getSelectedCandidatePair 📋	Safari	3/27/2023	389
api.RTCIceTransport.selectedcandidatepairchange_event 📋	Safari	3/27/2023	389
api.RTCIceTransport.state 📋	Safari	9/19/2017	2404
api.RTCIceTransport.statechange_event 📋	Safari	3/14/2022	767
api.RTCIdentityAssertion 📋	Firefox	8/11/2015	3174
api.RTCIdentityAssertion.idp 📋	Firefox	8/11/2015	3174
api.RTCIdentityAssertion.name 📋	Firefox	8/11/2015	3174
api.RTCPeerConnection.RTCPeerConnection.configuration_iceCandidatePoolSize_parameter	Safari	9/19/2017	2404
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.credentialType_parameter	Firefox	6/7/2016	2873
api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.url_parameter	Firefox	6/25/2013	3951
api.RTCPeerConnection.RTCPeerConnection.configuration_peerIdentity_parameter	Firefox	9/2/2014	3517
api.RTCPeerConnection.RTCPeerConnection.configuration_rtcpMuxPolicy_parameter	Safari	3/25/2019	1852
api.RTCPeerConnection.addStream	Firefox	6/25/2013	3951
api.RTCPeerConnection.addstream_event	Firefox	6/25/2013	3951
api.RTCPeerConnection.getIdentityAssertion 📋	Firefox	8/11/2015	3174
api.RTCPeerConnection.getLocalStreams	Firefox	9/17/2013	3867
api.RTCPeerConnection.getReceivers.stopped_transceivers_removed	Firefox	9/26/2023	206
api.RTCPeerConnection.getRemoteStreams	Firefox	9/17/2013	3867
api.RTCPeerConnection.getSenders.stopped_transceivers_removed	Firefox	9/26/2023	206
api.RTCPeerConnection.getTransceivers.stopped_transceivers_removed	Firefox	9/26/2023	206
api.RTCPeerConnection.icecandidateerror_event 📋	Safari	4/26/2021	1089
api.RTCPeerConnection.idpLoginUrl 📋	Firefox	8/11/2015	3174
api.RTCPeerConnection.peerIdentity 📋	Firefox	8/11/2015	3174
api.RTCPeerConnection.setIdentityProvider 📋	Firefox	8/11/2015	3174
api.RTCPeerConnectionIceErrorEvent 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.RTCPeerConnectionIceErrorEvent 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.address 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.errorCode 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.errorText 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.port 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceErrorEvent.url 📋	Safari	4/26/2021	1089
api.RTCPeerConnectionIceEvent.url 📋	Safari	9/17/2018	2041
api.RTCRtpReceiver.getContributingSources.rtpTimestamp 📋	Firefox	1/7/2020	1564
api.RTCRtpReceiver.getParameters 📋	Safari	9/19/2017	2404
api.RTCRtpReceiver.getParameters.return_object_property_codecs 📋	Safari	9/19/2017	2404
api.RTCRtpReceiver.getParameters.return_object_property_headerExtensions 📋	Safari	9/19/2017	2404
api.RTCRtpReceiver.getParameters.return_object_property_rtcp 📋	Safari	9/20/2021	942
api.RTCRtpSender.getParameters.return_object_property_degradationPreference	Safari	3/25/2019	1852
api.RTCRtpSender.getParameters.return_object_property_transactionId 📋	Safari	3/25/2019	1852
api.RTCRtpSender.setParameters.parameters_degradationPreference_parameter	Safari	3/25/2019	1852
api.RTCRtpSender.setParameters.parameters_encodings_parameter.dtx	Safari	9/19/2017	2404
api.RTCRtpSender.setParameters.parameters_encodings_parameter.rid	Firefox	4/26/2016	2915
api.RTCRtpSender.setParameters.parameters_transactionId_parameter 📋	Safari	3/25/2019	1852
api.RTCRtpTransceiver.currentDirection.stopped_value 📋	Firefox	9/26/2023	206
api.RTCRtpTransceiver.direction.value_stopped 📋	Firefox	9/26/2023	206
api.RTCRtpTransceiver.setCodecPreferences 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_candidate-pair.lastPacketReceivedTimestamp 📋	Firefox	9/28/2017	2395
api.RTCStatsReport.type_candidate-pair.lastPacketSentTimestamp 📋	Firefox	9/28/2017	2395
api.RTCStatsReport.type_candidate-pair.priority	Firefox	11/3/2015	3090
api.RTCStatsReport.type_candidate-pair.requestsReceived 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_candidate-pair.requestsSent 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_candidate-pair.responsesReceived 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_candidate-pair.responsesSent 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_candidate-pair.totalRoundTripTime 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_certificate 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.base64Certificate 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.fingerprint 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.fingerprintAlgorithm 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.id 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.timestamp 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_certificate.type 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_codec.transportId 📋	Firefox	3/8/2022	773
api.RTCStatsReport.type_data-channel.dataChannelIdentifier 📋	Firefox	7/28/2020	1361
api.RTCStatsReport.type_inbound-rtp.audioLevel 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.codecId 📋	Firefox	3/8/2022	773
api.RTCStatsReport.type_inbound-rtp.frameHeight 📋	Firefox	5/31/2022	689
api.RTCStatsReport.type_inbound-rtp.frameWidth 📋	Firefox	5/31/2022	689
api.RTCStatsReport.type_inbound-rtp.framesDecoded 📋	Firefox	2/11/2020	1529
api.RTCStatsReport.type_inbound-rtp.framesPerSecond 📋	Firefox	5/31/2022	689
api.RTCStatsReport.type_inbound-rtp.framesReceived 📋	Firefox	5/31/2022	689
api.RTCStatsReport.type_inbound-rtp.lastPacketReceivedTimestamp 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.mid 📋	Safari	9/18/2023	214
api.RTCStatsReport.type_inbound-rtp.qpSum 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.remoteId 📋	Firefox	7/9/2019	1746
api.RTCStatsReport.type_inbound-rtp.totalDecodeTime 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.totalInterFrameDelay 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.totalProcessingDelay 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.totalSquaredInterFrameDelay 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_inbound-rtp.transportId 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_local-candidate.address 📋	Firefox	1/29/2019	1907
api.RTCStatsReport.type_outbound-rtp.mediaSourceId 📋	Safari	4/26/2021	1089
api.RTCStatsReport.type_outbound-rtp.remoteId 📋	Firefox	2/4/2014	3727
api.RTCStatsReport.type_outbound-rtp.targetBitrate 📋	Safari	3/27/2023	389
api.RTCStatsReport.type_outbound-rtp.transportId 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_remote-candidate.address 📋	Firefox	1/29/2019	1907
api.RTCStatsReport.type_remote-inbound-rtp.fractionLost 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_remote-inbound-rtp.jitter 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-inbound-rtp.packetsLost 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-inbound-rtp.packetsReceived 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-inbound-rtp.roundTripTimeMeasurements 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_remote-inbound-rtp.totalRoundTripTime 📋	Firefox	10/18/2022	549
api.RTCStatsReport.type_remote-inbound-rtp.transportId 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_remote-outbound-rtp.bytesSent 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-outbound-rtp.id 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-outbound-rtp.localId 📋	Firefox	7/9/2019	1746
api.RTCStatsReport.type_remote-outbound-rtp.packetsSent 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-outbound-rtp.remoteTimestamp 📋	Firefox	7/28/2020	1361
api.RTCStatsReport.type_remote-outbound-rtp.timestamp 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_remote-outbound-rtp.transportId 📋	Safari	9/19/2017	2404
api.RTCStatsReport.type_remote-outbound-rtp.type 📋	Firefox	1/7/2020	1564
api.RTCStatsReport.type_transport 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.bytesReceived 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.bytesSent 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.dtlsCipher 📋	Safari	4/26/2021	1089
api.RTCStatsReport.type_transport.dtlsState 📋	Safari	4/26/2021	1089
api.RTCStatsReport.type_transport.id 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.localCertificateId 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.remoteCertificateId 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.selectedCandidatePairId 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.srtpCipher 📋	Safari	4/26/2021	1089
api.RTCStatsReport.type_transport.timestamp 📋	Safari	3/24/2020	1487
api.RTCStatsReport.type_transport.tlsVersion 📋	Safari	4/26/2021	1089
api.RTCStatsReport.type_transport.type 📋	Safari	3/24/2020	1487
api.Range.compareNode	Safari	10/26/2007	6020
api.Range.detach 📋	Safari	6/23/2003	7606
api.ReadableByteStreamController 📋	Firefox	6/28/2022	661
api.ReadableByteStreamController.byobRequest 📋	Firefox	6/28/2022	661
api.ReadableByteStreamController.close 📋	Firefox	6/28/2022	661
api.ReadableByteStreamController.desiredSize 📋	Firefox	6/28/2022	661
api.ReadableByteStreamController.enqueue 📋	Firefox	6/28/2022	661
api.ReadableByteStreamController.error 📋	Firefox	6/28/2022	661
api.ReadableStream.@@asyncIterator 📋	Firefox	2/14/2023	430
api.ReadableStream.from_static 📋	Firefox	8/29/2023	234
api.ReadableStream.transferable 📋	Firefox	7/26/2022	633
api.ReadableStream.values 📋	Firefox	2/14/2023	430
api.ReadableStreamBYOBReader 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.ReadableStreamBYOBReader 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.cancel 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.closed 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.read 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.releaseLock 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request	Firefox	6/28/2022	661
api.ReadableStreamBYOBRequest 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBRequest.respond 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBRequest.respondWithNewView 📋	Firefox	6/28/2022	661
api.ReadableStreamBYOBRequest.view 📋	Firefox	6/28/2022	661
api.ReadableStreamDefaultReader.ReadableStreamDefaultReader 📋	Firefox	5/3/2022	717
api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request	Firefox	6/28/2022	661
api.Rect	Safari	10/26/2007	6020
api.Rect.bottom	Safari	10/26/2007	6020
api.Rect.left	Safari	10/26/2007	6020
api.Rect.right	Safari	10/26/2007	6020
api.Rect.top	Safari	10/26/2007	6020
api.RemotePlayback 📋	Safari	3/24/2020	1487
api.RemotePlayback.cancelWatchAvailability 📋	Safari	3/24/2020	1487
api.RemotePlayback.connect_event 📋	Safari	3/24/2020	1487
api.RemotePlayback.connecting_event 📋	Safari	3/24/2020	1487
api.RemotePlayback.disconnect_event 📋	Safari	3/24/2020	1487
api.RemotePlayback.prompt 📋	Safari	3/24/2020	1487
api.RemotePlayback.state 📋	Safari	3/24/2020	1487
api.RemotePlayback.watchAvailability 📋	Safari	3/24/2020	1487
api.Report 📋	Safari	3/27/2023	389
api.Report.body 📋	Safari	3/27/2023	389
api.Report.toJSON 📋	Safari	3/27/2023	389
api.Report.type 📋	Safari	3/27/2023	389
api.Report.url 📋	Safari	3/27/2023	389
api.ReportBody 📋	Safari	3/27/2023	389
api.ReportBody.toJSON 📋	Safari	3/27/2023	389
api.ReportingObserver 📋	Safari	3/27/2023	389
api.ReportingObserver.ReportingObserver 📋	Safari	3/27/2023	389
api.ReportingObserver.disconnect 📋	Safari	3/27/2023	389
api.ReportingObserver.observe 📋	Safari	3/27/2023	389
api.ReportingObserver.takeRecords 📋	Safari	3/27/2023	389
api.Request.Request.init_priority_parameter 📋	Safari	12/11/2023	130
api.Request.Request.response_body_readablestream	Firefox	1/29/2019	1907
api.Request.body 📋	Safari	4/12/2018	2199
api.Request.cache.only-if-cached	Firefox	11/15/2016	2712
api.Request.keepalive 📋	Safari	9/19/2019	1674
api.ResizeObserverEntry.devicePixelContentBoxSize 📋	Firefox	10/5/2021	927
api.Response.body.readable_byte_stream	Firefox	6/28/2022	661
api.SVGAElement.download 📋	Firefox	4/2/2013	4035
api.SVGAElement.hreflang 📋	Firefox	6/26/2018	2124
api.SVGAElement.ping 📋	Firefox	6/26/2018	2124
api.SVGAElement.referrerPolicy 📋	Firefox	6/26/2018	2124
api.SVGAElement.text 📋	Firefox	6/26/2018	2124
api.SVGAElement.type 📋	Firefox	6/26/2018	2124
api.SVGAnimateColorElement 📋	Safari	10/26/2007	6020
api.SVGElement.attributeStyleMap 📋	Safari	3/27/2023	389
api.SVGFEGaussianBlurElement.edgeMode 📋	Safari	10/16/2014	3473
api.SVGFEImageElement.crossOrigin 📋	Firefox	6/6/2023	318
api.SVGFESpecularLightingElement.kernelUnitLengthX 📋	Firefox	6/17/2008	5785
api.SVGFESpecularLightingElement.kernelUnitLengthY 📋	Firefox	6/17/2008	5785
api.SVGImageElement.decode 📋	Firefox	7/9/2019	1746
api.SVGImageElement.decoding 📋	Firefox	10/23/2018	2005
api.SVGMarkerElement.orient 📋	Safari	3/24/2020	1487
api.SVGPathElement.createSVGPathSegArcAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegArcRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegClosePath	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoCubicAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoCubicRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoHorizontalAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoHorizontalRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoVerticalAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegLinetoVerticalRel	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegMovetoAbs	Safari	10/26/2007	6020
api.SVGPathElement.createSVGPathSegMovetoRel	Safari	10/26/2007	6020
api.SVGSVGElement.checkEnclosure 📋	Safari	10/26/2007	6020
api.SVGSVGElement.checkIntersection 📋	Safari	10/26/2007	6020
api.SVGSVGElement.currentView	Safari	10/22/2013	3832
api.SVGSVGElement.getEnclosureList 📋	Safari	10/26/2007	6020
api.SVGSVGElement.getIntersectionList 📋	Safari	10/26/2007	6020
api.SVGSVGElement.useCurrentView	Safari	10/26/2007	6020
api.SVGScriptElement.async	Firefox	8/29/2023	234
api.SVGScriptElement.crossOrigin 📋	Firefox	7/17/2012	4294
api.SVGScriptElement.defer	Firefox	8/29/2023	234
api.Sanitizer 📋	Firefox	11/17/2020	1249
api.Sanitizer.Sanitizer 📋	Firefox	11/17/2020	1249
api.Sanitizer.sanitize 📋	Firefox	11/17/2020	1249
api.Scheduler 📋	Firefox	5/31/2022	689
api.Scheduler.postTask 📋	Firefox	5/31/2022	689
api.Screen.left	Firefox	11/9/2004	7101
api.Screen.left.relative-multi-screen	Firefox	11/9/2004	7101
api.Screen.lockOrientation	Firefox	7/17/2012	4294
api.Screen.mozBrightness	Firefox	4/24/2012	4378
api.Screen.mozEnabled	Firefox	4/24/2012	4378
api.Screen.top	Firefox	11/9/2004	7101
api.Screen.top.relative-multi-screen	Firefox	11/9/2004	7101
api.Screen.unlockOrientation	Firefox	7/17/2012	4294
api.ScreenOrientation.unlock 📋	Firefox	12/15/2015	3048
api.SecurityPolicyViolationEvent.worker_support	Firefox	10/23/2018	2005
api.Selection.direction 📋	Safari	9/18/2023	214
api.Selection.getComposedRanges 📋	Safari	9/18/2023	214
api.ServiceWorker.ecmascript_modules	Safari	9/20/2021	942
api.ServiceWorkerGlobalScope.serviceWorker 📋	Safari	3/14/2022	767
api.ServiceWorkerRegistration.showNotification.options_badge_parameter	Safari	9/18/2023	214
api.ShadowRoot.clonable 📋	Firefox	2/20/2024	59
api.ShadowRoot.pictureInPictureElement 📋	Safari	3/24/2020	1487
api.ShadowRoot.setHTMLUnsafe 📋	Firefox	2/20/2024	59
api.SharedWorker.SharedWorker.options_name_parameter	Firefox	8/8/2017	2446
api.SourceBuffer.appendBufferAsync	Firefox	9/5/2018	2053
api.SourceBuffer.audioTracks 📋	Safari	10/16/2014	3473
api.SourceBuffer.removeAsync	Firefox	9/5/2018	2053
api.SourceBuffer.textTracks 📋	Safari	10/16/2014	3473
api.SourceBuffer.videoTracks 📋	Safari	10/16/2014	3473
api.SpeechGrammar 📋	Firefox	1/26/2016	3006
api.SpeechGrammar.SpeechGrammar	Firefox	1/26/2016	3006
api.SpeechGrammar.src 📋	Firefox	1/26/2016	3006
api.SpeechGrammar.weight 📋	Firefox	1/26/2016	3006
api.SpeechRecognition 📋	Safari	4/26/2021	1089
api.SpeechRecognition.SpeechRecognition 📋	Safari	4/26/2021	1089
api.SpeechRecognition.abort 📋	Safari	4/26/2021	1089
api.SpeechRecognition.audioend_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.audiostart_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.continuous 📋	Safari	4/26/2021	1089
api.SpeechRecognition.end_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.error_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.interimResults 📋	Safari	4/26/2021	1089
api.SpeechRecognition.lang 📋	Safari	4/26/2021	1089
api.SpeechRecognition.maxAlternatives 📋	Safari	4/26/2021	1089
api.SpeechRecognition.nomatch_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.result_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.soundend_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.soundstart_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.speechend_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.speechstart_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.start 📋	Safari	4/26/2021	1089
api.SpeechRecognition.start_event 📋	Safari	4/26/2021	1089
api.SpeechRecognition.stop 📋	Safari	4/26/2021	1089
api.SpeechRecognitionAlternative 📋	Safari	4/26/2021	1089
api.SpeechRecognitionAlternative.confidence 📋	Safari	4/26/2021	1089
api.SpeechRecognitionAlternative.transcript 📋	Safari	4/26/2021	1089
api.SpeechRecognitionErrorEvent 📋	Safari	4/26/2021	1089
api.SpeechRecognitionErrorEvent.SpeechRecognitionErrorEvent 📋	Safari	4/26/2021	1089
api.SpeechRecognitionErrorEvent.error 📋	Safari	4/26/2021	1089
api.SpeechRecognitionErrorEvent.message 📋	Safari	4/26/2021	1089
api.SpeechRecognitionEvent 📋	Safari	4/26/2021	1089
api.SpeechRecognitionEvent.SpeechRecognitionEvent 📋	Safari	4/26/2021	1089
api.SpeechRecognitionEvent.resultIndex 📋	Safari	4/26/2021	1089
api.SpeechRecognitionEvent.results 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResult 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResult.isFinal 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResult.item 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResult.length 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResultList 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResultList.item 📋	Safari	4/26/2021	1089
api.SpeechRecognitionResultList.length 📋	Safari	4/26/2021	1089
api.StylePropertyMap 📋	Safari	3/27/2023	389
api.StylePropertyMap.append 📋	Safari	3/27/2023	389
api.StylePropertyMap.clear 📋	Safari	3/27/2023	389
api.StylePropertyMap.delete 📋	Safari	3/27/2023	389
api.StylePropertyMap.set 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.@@iterator	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.entries	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.forEach	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.get 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.getAll 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.has 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.keys	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.size 📋	Safari	3/27/2023	389
api.StylePropertyMapReadOnly.values	Safari	3/27/2023	389
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_aes 📋	Firefox	12/1/2014	3427
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hkdf 📋	Firefox	10/24/2023	178
api.SubtleCrypto.deriveKey.derivedKeyAlgorithm_option_hmac 📋	Firefox	12/1/2014	3427
api.SubtleCrypto.exportKey.ed25519 📋	Safari	9/18/2023	214
api.SubtleCrypto.generateKey.ed25519 📋	Safari	9/18/2023	214
api.SubtleCrypto.importKey.ed25519 📋	Safari	9/18/2023	214
api.SubtleCrypto.sign.ed25519 📋	Safari	9/18/2023	214
api.SubtleCrypto.verify.ed25519 📋	Safari	9/18/2023	214
api.TaskController 📋	Firefox	5/31/2022	689
api.TaskController.TaskController 📋	Firefox	5/31/2022	689
api.TaskController.setPriority 📋	Firefox	5/31/2022	689
api.TaskPriorityChangeEvent 📋	Firefox	5/31/2022	689
api.TaskPriorityChangeEvent.TaskPriorityChangeEvent 📋	Firefox	5/31/2022	689
api.TaskPriorityChangeEvent.previousPriority 📋	Firefox	5/31/2022	689
api.TaskSignal 📋	Firefox	5/31/2022	689
api.TaskSignal.priority 📋	Firefox	5/31/2022	689
api.TaskSignal.prioritychange_event 📋	Firefox	5/31/2022	689
api.Text.getBoxQuads 📋	Firefox	7/22/2014	3559
api.TextTrack.sourceBuffer 📋	Safari	10/16/2014	3473
api.TimeEvent 📋	Firefox	3/22/2011	4777
api.TimeEvent.detail 📋	Firefox	3/22/2011	4777
api.TimeEvent.initTimeEvent 📋	Firefox	3/22/2011	4777
api.TimeEvent.view 📋	Firefox	3/22/2011	4777
api.Touch 📋	Firefox	3/7/2017	2600
api.Touch.Touch 📋	Firefox	3/7/2017	2600
api.Touch.clientX 📋	Firefox	3/7/2017	2600
api.Touch.clientY 📋	Firefox	3/7/2017	2600
api.Touch.force 📋	Firefox	3/7/2017	2600
api.Touch.identifier 📋	Firefox	3/7/2017	2600
api.Touch.pageX 📋	Firefox	3/7/2017	2600
api.Touch.pageY 📋	Firefox	3/7/2017	2600
api.Touch.radiusX 📋	Firefox	3/7/2017	2600
api.Touch.radiusY 📋	Firefox	3/7/2017	2600
api.Touch.rotationAngle 📋	Firefox	3/7/2017	2600
api.Touch.screenX 📋	Firefox	3/7/2017	2600
api.Touch.screenY 📋	Firefox	3/7/2017	2600
api.Touch.target 📋	Firefox	3/7/2017	2600
api.TouchEvent 📋	Firefox	3/7/2017	2600
api.TouchEvent.altKey 📋	Firefox	3/7/2017	2600
api.TouchEvent.changedTouches 📋	Firefox	3/7/2017	2600
api.TouchEvent.ctrlKey 📋	Firefox	3/7/2017	2600
api.TouchEvent.metaKey 📋	Firefox	3/7/2017	2600
api.TouchEvent.shiftKey 📋	Firefox	3/7/2017	2600
api.TouchEvent.targetTouches 📋	Firefox	3/7/2017	2600
api.TouchEvent.touches 📋	Firefox	3/7/2017	2600
api.TouchList 📋	Firefox	3/7/2017	2600
api.TouchList.item 📋	Firefox	3/7/2017	2600
api.TouchList.length 📋	Firefox	3/7/2017	2600
api.TransformStream.transferable 📋	Firefox	7/26/2022	633
api.URLSearchParams.delete.value_parameter	Firefox	7/4/2023	290
api.URLSearchParams.has.value_parameter	Firefox	7/4/2023	290
api.VRDisplay	Firefox	3/8/2022	773
api.VRDisplay.cancelAnimationFrame	Firefox	3/8/2022	773
api.VRDisplay.capabilities	Firefox	3/8/2022	773
api.VRDisplay.depthFar	Firefox	3/8/2022	773
api.VRDisplay.depthNear	Firefox	3/8/2022	773
api.VRDisplay.displayId	Firefox	3/8/2022	773
api.VRDisplay.displayName	Firefox	3/8/2022	773
api.VRDisplay.exitPresent	Firefox	3/8/2022	773
api.VRDisplay.getEyeParameters	Firefox	3/8/2022	773
api.VRDisplay.getFrameData	Firefox	3/8/2022	773
api.VRDisplay.getImmediatePose	Firefox	3/8/2022	773
api.VRDisplay.getLayers	Firefox	3/8/2022	773
api.VRDisplay.getPose	Firefox	3/8/2022	773
api.VRDisplay.isConnected	Firefox	3/8/2022	773
api.VRDisplay.isPresenting	Firefox	3/8/2022	773
api.VRDisplay.requestAnimationFrame	Firefox	3/8/2022	773
api.VRDisplay.requestPresent	Firefox	3/8/2022	773
api.VRDisplay.resetPose	Firefox	3/8/2022	773
api.VRDisplay.stageParameters	Firefox	3/8/2022	773
api.VRDisplay.submitFrame	Firefox	3/8/2022	773
api.VRDisplayCapabilities	Firefox	3/8/2022	773
api.VRDisplayCapabilities.canPresent	Firefox	3/8/2022	773
api.VRDisplayCapabilities.hasExternalDisplay	Firefox	3/8/2022	773
api.VRDisplayCapabilities.hasOrientation	Firefox	3/8/2022	773
api.VRDisplayCapabilities.hasPosition	Firefox	3/8/2022	773
api.VRDisplayCapabilities.maxLayers	Firefox	3/8/2022	773
api.VRDisplayEvent	Firefox	3/8/2022	773
api.VRDisplayEvent.VRDisplayEvent	Firefox	3/8/2022	773
api.VRDisplayEvent.display	Firefox	3/8/2022	773
api.VRDisplayEvent.reason	Firefox	3/8/2022	773
api.VREyeParameters	Firefox	3/8/2022	773
api.VREyeParameters.fieldOfView	Firefox	3/8/2022	773
api.VREyeParameters.maximumFieldOfView	Firefox	3/8/2022	773
api.VREyeParameters.minimumFieldOfView	Firefox	3/8/2022	773
api.VREyeParameters.offset	Firefox	3/8/2022	773
api.VREyeParameters.renderHeight	Firefox	3/8/2022	773
api.VREyeParameters.renderWidth	Firefox	3/8/2022	773
api.VRFieldOfView	Firefox	3/8/2022	773
api.VRFieldOfView.downDegrees	Firefox	3/8/2022	773
api.VRFieldOfView.leftDegrees	Firefox	3/8/2022	773
api.VRFieldOfView.rightDegrees	Firefox	3/8/2022	773
api.VRFieldOfView.upDegrees	Firefox	3/8/2022	773
api.VRFrameData	Firefox	3/8/2022	773
api.VRFrameData.VRFrameData	Firefox	3/8/2022	773
api.VRFrameData.leftProjectionMatrix	Firefox	3/8/2022	773
api.VRFrameData.leftViewMatrix	Firefox	3/8/2022	773
api.VRFrameData.pose	Firefox	3/8/2022	773
api.VRFrameData.rightProjectionMatrix	Firefox	3/8/2022	773
api.VRFrameData.rightViewMatrix	Firefox	3/8/2022	773
api.VRFrameData.timestamp	Firefox	3/8/2022	773
api.VRPose	Firefox	3/8/2022	773
api.VRPose.angularAcceleration	Firefox	3/8/2022	773
api.VRPose.angularVelocity	Firefox	3/8/2022	773
api.VRPose.linearAcceleration	Firefox	3/8/2022	773
api.VRPose.linearVelocity	Firefox	3/8/2022	773
api.VRPose.orientation	Firefox	3/8/2022	773
api.VRPose.position	Firefox	3/8/2022	773
api.VRStageParameters	Firefox	3/8/2022	773
api.VRStageParameters.sittingToStandingTransform	Firefox	3/8/2022	773
api.VRStageParameters.sizeX	Firefox	3/8/2022	773
api.VRStageParameters.sizeY	Firefox	3/8/2022	773
api.VideoColorSpace 📋	Safari	3/14/2022	767
api.VideoColorSpace.VideoColorSpace 📋	Safari	9/18/2023	214
api.VideoColorSpace.fullRange 📋	Safari	3/14/2022	767
api.VideoColorSpace.matrix 📋	Safari	3/14/2022	767
api.VideoColorSpace.primaries 📋	Safari	3/14/2022	767
api.VideoColorSpace.toJSON 📋	Safari	3/14/2022	767
api.VideoColorSpace.transfer 📋	Safari	3/14/2022	767
api.VideoDecoder 📋	Safari	3/27/2023	389
api.VideoDecoder.VideoDecoder 📋	Safari	3/27/2023	389
api.VideoDecoder.close 📋	Safari	3/27/2023	389
api.VideoDecoder.configure 📋	Safari	3/27/2023	389
api.VideoDecoder.decode 📋	Safari	3/27/2023	389
api.VideoDecoder.decodeQueueSize 📋	Safari	3/27/2023	389
api.VideoDecoder.dequeue_event 📋	Safari	3/27/2023	389
api.VideoDecoder.flush 📋	Safari	3/27/2023	389
api.VideoDecoder.isConfigSupported_static 📋	Safari	3/27/2023	389
api.VideoDecoder.reset 📋	Safari	3/27/2023	389
api.VideoDecoder.state 📋	Safari	3/27/2023	389
api.VideoEncoder 📋	Safari	3/27/2023	389
api.VideoEncoder.VideoEncoder 📋	Safari	3/27/2023	389
api.VideoEncoder.close 📋	Safari	3/27/2023	389
api.VideoEncoder.configure 📋	Safari	3/27/2023	389
api.VideoEncoder.dequeue_event 📋	Safari	3/27/2023	389
api.VideoEncoder.encode 📋	Safari	3/27/2023	389
api.VideoEncoder.encodeQueueSize 📋	Safari	3/27/2023	389
api.VideoEncoder.flush 📋	Safari	3/27/2023	389
api.VideoEncoder.isConfigSupported_static 📋	Safari	3/27/2023	389
api.VideoEncoder.reset 📋	Safari	3/27/2023	389
api.VideoEncoder.state 📋	Safari	3/27/2023	389
api.VideoFrame 📋	Safari	3/27/2023	389
api.VideoFrame.VideoFrame 📋	Safari	3/27/2023	389
api.VideoFrame.allocationSize 📋	Safari	3/27/2023	389
api.VideoFrame.clone 📋	Safari	3/27/2023	389
api.VideoFrame.close 📋	Safari	3/27/2023	389
api.VideoFrame.codedHeight 📋	Safari	3/27/2023	389
api.VideoFrame.codedRect 📋	Safari	3/27/2023	389
api.VideoFrame.codedWidth 📋	Safari	3/27/2023	389
api.VideoFrame.colorSpace 📋	Safari	3/27/2023	389
api.VideoFrame.copyTo 📋	Safari	3/27/2023	389
api.VideoFrame.displayHeight 📋	Safari	3/27/2023	389
api.VideoFrame.displayWidth 📋	Safari	3/27/2023	389
api.VideoFrame.duration 📋	Safari	3/27/2023	389
api.VideoFrame.format 📋	Safari	3/27/2023	389
api.VideoFrame.timestamp 📋	Safari	3/27/2023	389
api.VideoFrame.visibleRect 📋	Safari	3/27/2023	389
api.VideoPlaybackQuality.corruptedVideoFrames 📋	Safari	10/16/2014	3473
api.VideoPlaybackQuality.totalFrameDelay	Safari	10/16/2014	3473
api.VideoTrack.sourceBuffer 📋	Safari	10/22/2013	3832
api.WEBGL_compressed_texture_etc 📋	Safari	3/24/2020	1487
api.WEBGL_compressed_texture_etc1 📋	Safari	3/24/2020	1487
api.WEBGL_compressed_texture_pvrtc 📋	Safari	10/22/2013	3832
api.WEBGL_multi_draw 📋	Safari	9/20/2021	942
api.WEBGL_multi_draw.multiDrawArraysInstancedWEBGL 📋	Safari	9/20/2021	942
api.WEBGL_multi_draw.multiDrawArraysWEBGL 📋	Safari	9/20/2021	942
api.WEBGL_multi_draw.multiDrawElementsInstancedWEBGL 📋	Safari	9/20/2021	942
api.WEBGL_multi_draw.multiDrawElementsWEBGL 📋	Safari	9/20/2021	942
api.WebGL2RenderingContext.bufferData.srcData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.bufferSubData.srcData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.clearBufferfv.values_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.clearBufferiv.values_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.clearBufferuiv.values_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.compressedTexImage2D.pixels_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.compressedTexImage3D.pixels_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.compressedTexSubImage2D.srcData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.drawingBufferColorSpace 📋	Safari	3/27/2023	389
api.WebGL2RenderingContext.getBufferSubData.dstData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.readPixels.pixels_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.texImage3D.srcData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.texSubImage3D.srcData_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix2fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix2x3fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix2x4fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix3fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix3x2fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix3x4fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix4fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix4x2fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.uniformMatrix4x3fv.data_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttrib1fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttrib2fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttrib3fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttrib4fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttribI4iv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGL2RenderingContext.vertexAttribI4uiv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLActiveInfo.worker_support	Firefox	9/20/2022	577
api.WebGLBuffer.worker_support	Firefox	9/20/2022	577
api.WebGLContextEvent.worker_support	Firefox	9/20/2022	577
api.WebGLFramebuffer.worker_support	Firefox	9/20/2022	577
api.WebGLProgram.worker_support	Firefox	9/20/2022	577
api.WebGLRenderbuffer.worker_support	Firefox	9/20/2022	577
api.WebGLRenderingContext.compressedTexImage2D.pixels_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLRenderingContext.drawingBufferColorSpace 📋	Safari	3/27/2023	389
api.WebGLRenderingContext.vertexAttrib1fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLRenderingContext.vertexAttrib2fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLRenderingContext.vertexAttrib3fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLRenderingContext.vertexAttrib4fv.value_param_accepts_SharedArrayBuffer	Firefox	7/28/2020	1361
api.WebGLRenderingContext.worker_support	Firefox	9/20/2022	577
api.WebGLShader.worker_support	Firefox	9/20/2022	577
api.WebGLShaderPrecisionFormat.worker_support	Firefox	9/20/2022	577
api.WebGLTexture.worker_support	Firefox	9/20/2022	577
api.WebGLUniformLocation.worker_support	Firefox	9/20/2022	577
api.WebKitPoint	Safari	6/8/2009	5429
api.WebKitPoint.WebKitPoint	Safari	6/8/2009	5429
api.WebKitPoint.x	Safari	6/8/2009	5429
api.WebKitPoint.y	Safari	6/8/2009	5429
api.WebTransport 📋	Firefox	6/6/2023	318
api.WebTransport.WebTransport 📋	Firefox	6/6/2023	318
api.WebTransport.WebTransport.options_allowPooling_parameter 📋	Firefox	6/6/2023	318
api.WebTransport.WebTransport.options_congestionControl_parameter 📋	Firefox	6/6/2023	318
api.WebTransport.WebTransport.options_requireUnreliable_parameter 📋	Firefox	6/6/2023	318
api.WebTransport.byob_readers	Firefox	6/6/2023	318
api.WebTransport.close 📋	Firefox	6/6/2023	318
api.WebTransport.closed 📋	Firefox	6/6/2023	318
api.WebTransport.congestionControl 📋	Firefox	6/6/2023	318
api.WebTransport.createBidirectionalStream 📋	Firefox	6/6/2023	318
api.WebTransport.createBidirectionalStream.options_sendOrder_parameter 📋	Firefox	10/24/2023	178
api.WebTransport.createUnidirectionalStream 📋	Firefox	6/6/2023	318
api.WebTransport.createUnidirectionalStream.byob_readers	Firefox	6/6/2023	318
api.WebTransport.createUnidirectionalStream.options_sendOrder_parameter 📋	Firefox	10/24/2023	178
api.WebTransport.datagrams 📋	Firefox	6/6/2023	318
api.WebTransport.getStats 📋	Firefox	6/6/2023	318
api.WebTransport.incomingBidirectionalStreams 📋	Firefox	6/6/2023	318
api.WebTransport.incomingUnidirectionalStreams 📋	Firefox	6/6/2023	318
api.WebTransport.ready 📋	Firefox	6/6/2023	318
api.WebTransport.reliability 📋	Firefox	6/6/2023	318
api.WebTransportBidirectionalStream 📋	Firefox	6/6/2023	318
api.WebTransportBidirectionalStream.readable 📋	Firefox	6/6/2023	318
api.WebTransportBidirectionalStream.readable.returns_WebTransportReceiveStream 📋	Firefox	6/6/2023	318
api.WebTransportBidirectionalStream.writable 📋	Firefox	6/6/2023	318
api.WebTransportBidirectionalStream.writable.returns_WebTransportSendStream 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.incomingHighWaterMark 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.incomingMaxAge 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.maxDatagramSize 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.outgoingHighWaterMark 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.outgoingMaxAge 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.readable 📋	Firefox	6/6/2023	318
api.WebTransportDatagramDuplexStream.writable 📋	Firefox	6/6/2023	318
api.WebTransportError 📋	Firefox	6/6/2023	318
api.WebTransportError.WebTransportError 📋	Firefox	6/6/2023	318
api.WebTransportError.source 📋	Firefox	6/6/2023	318
api.WebTransportError.streamErrorCode 📋	Firefox	6/6/2023	318
api.WebTransportReceiveStream 📋	Firefox	6/6/2023	318
api.WebTransportReceiveStream.getStats 📋	Firefox	6/6/2023	318
api.WebTransportSendStream 📋	Firefox	6/6/2023	318
api.WebTransportSendStream.getStats 📋	Firefox	6/6/2023	318
api.WebTransportSendStream.sendOrder 📋	Firefox	12/19/2023	122
api.Window.cancelIdleCallback 📋	Firefox	8/8/2017	2446
api.Window.deviceorientationabsolute_event 📋	Firefox	2/14/2023	430
api.Window.dump	Firefox	11/29/2005	6716
api.Window.external 📋	Firefox	10/24/2006	6387
api.Window.fullScreen	Firefox	11/9/2004	7101
api.Window.getDefaultComputedStyle	Firefox	2/19/2013	4077
api.Window.getDefaultComputedStyle.pseudo_element_support	Firefox	2/19/2013	4077
api.Window.mozInnerScreenX	Firefox	1/21/2010	5202
api.Window.mozInnerScreenY	Firefox	1/21/2010	5202
api.Window.open.features_parameter_popup	Firefox	1/11/2022	829
api.Window.requestIdleCallback 📋	Firefox	8/8/2017	2446
api.Window.scrollByLines	Firefox	11/9/2004	7101
api.Window.scrollByPages	Firefox	11/9/2004	7101
api.Window.scrollMaxX	Firefox	11/9/2004	7101
api.Window.scrollMaxY	Firefox	11/9/2004	7101
api.Window.scrollX.subpixel_precision	Firefox	8/8/2017	2446
api.Window.scrollY.subpixel_precision	Firefox	8/8/2017	2446
api.Window.setResizable	Firefox	11/9/2004	7101
api.Window.styleMedia	Safari	6/7/2010	5065
api.Window.updateCommands	Firefox	11/9/2004	7101
api.Window.vrdisplayactivate_event	Firefox	3/8/2022	773
api.Window.vrdisplayconnect_event	Firefox	3/8/2022	773
api.Window.vrdisplaydeactivate_event	Firefox	3/8/2022	773
api.Window.vrdisplaydisconnect_event	Firefox	3/8/2022	773
api.Window.vrdisplaypresentchange_event	Firefox	3/8/2022	773
api.Window.webkitConvertPointFromNodeToPage	Safari	6/8/2009	5429
api.Window.webkitConvertPointFromPageToNode	Safari	6/8/2009	5429
api.WindowClient.ancestorOrigins 📋	Safari	9/12/2022	585
api.Worker.Worker.options_type_parameter	Firefox	6/6/2023	318
api.WorkerGlobalScope.dump	Firefox	6/30/2009	5407
api.WorkerGlobalScope.languagechange_event 📋	Firefox	3/10/2020	1501
api.WorkerNavigator.globalPrivacyControl	Firefox	11/21/2023	150
api.WorkerNavigator.hardwareConcurrency 📋	Firefox	8/2/2016	2817
api.WorkerNavigator.permissions 📋	Safari	3/27/2023	389
api.WorkerNavigator.serviceWorker 📋	Safari	4/12/2018	2199
api.WritableStream.transferable 📋	Firefox	7/26/2022	633
api.console.exception_static	Firefox	3/18/2014	3685
api.console.profile_static	Safari	6/8/2009	5429
api.createImageBitmap.options_resizeQuality_parameter	Safari	9/20/2021	942
api.createImageBitmap.svgimageelement_as_source_image	Firefox	1/29/2019	1907
api.fetch.init_keepalive_parameter	Safari	9/19/2019	1674
api.fetch.init_priority_parameter	Safari	12/11/2023	130
api.scheduler 📋	Firefox	5/31/2022	689

CSS Data

API	First Browser	Date	Days in Limbo
css.at-rules.counter-style.speak-as 📋	Firefox	10/14/2014	3475
css.at-rules.document	Firefox	6/26/2018	2124
css.at-rules.font-face.OpenType_COLRv1	Firefox	11/15/2022	521
css.at-rules.font-face.OpenType_SBIX	Safari	3/21/2016	2951
css.at-rules.font-face.SVG_fonts	Safari	3/18/2008	5876
css.at-rules.font-face.ascent-override 📋	Firefox	6/1/2021	1053
css.at-rules.font-face.descent-override 📋	Firefox	6/1/2021	1053
css.at-rules.font-face.font-variation-settings 📋	Firefox	9/5/2018	2053
css.at-rules.font-face.line-gap-override 📋	Firefox	6/1/2021	1053
css.at-rules.font-face.src.drop_invalid_item	Firefox	1/17/2023	458
css.at-rules.font-face.src.format_keyword	Safari	6/8/2009	5429
css.at-rules.font-face.src.tech_keyword	Safari	9/18/2023	214
css.at-rules.import.supports 📋	Firefox	7/4/2023	290
css.at-rules.media.-moz-device-pixel-ratio	Firefox	3/22/2011	4777
css.at-rules.media.-webkit-animation	Safari	6/8/2009	5429
css.at-rules.media.-webkit-transform-2d	Safari	6/8/2009	5429
css.at-rules.media.-webkit-transition	Safari	6/8/2009	5429
css.at-rules.media.color-index 📋	Safari	10/16/2014	3473
css.at-rules.media.media_query_values	Firefox	3/13/2018	2229
css.at-rules.media.prefers-color-scheme.no-preference	Safari	3/25/2019	1852
css.at-rules.media.prefers-color-scheme.respects-inherited-scheme	Firefox	9/20/2022	577
css.at-rules.media.prefers-reduced-transparency 📋	Firefox	5/9/2023	346
css.at-rules.media.video-dynamic-range 📋	Firefox	5/3/2022	717
css.at-rules.page.size.jis-b4 📋	Firefox	12/7/2021	864
css.at-rules.page.size.jis-b5 📋	Firefox	12/7/2021	864
css.at-rules.property 📋	Safari	3/27/2023	389
css.at-rules.property.inherits 📋	Safari	3/27/2023	389
css.at-rules.property.initial-value 📋	Safari	3/27/2023	389
css.at-rules.property.syntax 📋	Safari	3/27/2023	389
css.properties.-moz-float-edge	Firefox	11/9/2004	7101
css.properties.-moz-force-broken-image-icon	Firefox	11/9/2004	7101
css.properties.-moz-orient	Firefox	8/16/2011	4630
css.properties.-moz-orient.block	Firefox	8/11/2015	3174
css.properties.-moz-orient.inline	Firefox	8/11/2015	3174
css.properties.-moz-user-input	Firefox	11/9/2004	7101
css.properties.-moz-user-input.auto	Firefox	11/9/2004	7101
css.properties.-moz-user-input.none	Firefox	11/9/2004	7101
css.properties.-webkit-border-before	Safari	7/20/2011	4657
css.properties.-webkit-border-horizontal-spacing	Safari	3/24/2020	1487
css.properties.-webkit-border-vertical-spacing	Safari	3/24/2020	1487
css.properties.-webkit-box-reflect	Safari	6/8/2009	5429
css.properties.-webkit-column-axis	Safari	3/24/2020	1487
css.properties.-webkit-column-break-after	Safari	3/24/2020	1487
css.properties.-webkit-column-break-before	Safari	3/24/2020	1487
css.properties.-webkit-column-break-inside	Safari	3/24/2020	1487
css.properties.-webkit-column-progression	Safari	3/24/2020	1487
css.properties.-webkit-cursor-visibility	Safari	3/24/2020	1487
css.properties.-webkit-hyphenate-character	Safari	3/24/2020	1487
css.properties.-webkit-hyphenate-limit-after	Safari	3/24/2020	1487
css.properties.-webkit-hyphenate-limit-before	Safari	3/24/2020	1487
css.properties.-webkit-hyphenate-limit-lines	Safari	3/24/2020	1487
css.properties.-webkit-initial-letter	Safari	3/24/2020	1487
css.properties.-webkit-line-align	Safari	3/24/2020	1487
css.properties.-webkit-line-box-contain	Safari	3/24/2020	1487
css.properties.-webkit-line-clamp.none	Firefox	7/9/2019	1746
css.properties.-webkit-line-grid	Safari	3/24/2020	1487
css.properties.-webkit-line-snap	Safari	3/24/2020	1487
css.properties.-webkit-locale	Safari	3/24/2020	1487
css.properties.-webkit-logical-height	Safari	3/24/2020	1487
css.properties.-webkit-logical-width	Safari	3/24/2020	1487
css.properties.-webkit-margin-after	Safari	3/24/2020	1487
css.properties.-webkit-margin-before	Safari	3/24/2020	1487
css.properties.-webkit-mask-box-image	Safari	3/18/2008	5876
css.properties.-webkit-mask-box-image-outset	Safari	3/24/2020	1487
css.properties.-webkit-mask-box-image-repeat	Safari	3/24/2020	1487
css.properties.-webkit-mask-box-image-slice	Safari	3/24/2020	1487
css.properties.-webkit-mask-box-image-source	Safari	3/24/2020	1487
css.properties.-webkit-mask-box-image-width	Safari	3/24/2020	1487
css.properties.-webkit-mask-composite	Safari	3/18/2008	5876
css.properties.-webkit-mask-source-type	Safari	3/24/2020	1487
css.properties.-webkit-max-logical-height	Safari	3/24/2020	1487
css.properties.-webkit-max-logical-width	Safari	3/24/2020	1487
css.properties.-webkit-min-logical-height	Safari	3/24/2020	1487
css.properties.-webkit-min-logical-width	Safari	3/24/2020	1487
css.properties.-webkit-nbsp-mode	Safari	3/24/2020	1487
css.properties.-webkit-perspective-origin-x	Safari	3/24/2020	1487
css.properties.-webkit-perspective-origin-y	Safari	3/24/2020	1487
css.properties.-webkit-rtl-ordering	Safari	3/24/2020	1487
css.properties.-webkit-text-combine	Safari	3/24/2020	1487
css.properties.-webkit-text-decoration-skip	Safari	3/24/2020	1487
css.properties.-webkit-text-decorations-in-effect	Safari	3/24/2020	1487
css.properties.-webkit-text-zoom	Safari	3/24/2020	1487
css.properties.-webkit-transform-origin-x	Safari	3/24/2020	1487
css.properties.-webkit-transform-origin-y	Safari	3/24/2020	1487
css.properties.-webkit-transform-origin-z	Safari	3/24/2020	1487
css.properties.-webkit-user-drag	Safari	3/24/2020	1487
css.properties.-webkit-user-modify	Safari	3/24/2020	1487
css.properties.align-content.flex_context.safe_unsafe	Firefox	10/23/2018	2005
css.properties.align-items.flex_context.safe_unsafe	Firefox	10/23/2018	2005
css.properties.align-self.flex_context.safe_unsafe	Firefox	10/23/2018	2005
css.properties.align-tracks 📋	Firefox	6/2/2020	1417
css.properties.alignment-baseline 📋	Safari	3/24/2020	1487
css.properties.alignment-baseline.alphabetic	Safari	3/24/2020	1487
css.properties.alignment-baseline.baseline	Safari	3/24/2020	1487
css.properties.alignment-baseline.central	Safari	3/24/2020	1487
css.properties.alignment-baseline.ideographic	Safari	3/24/2020	1487
css.properties.alignment-baseline.mathematical	Safari	3/24/2020	1487
css.properties.alignment-baseline.middle	Safari	3/24/2020	1487
css.properties.alt	Safari	9/30/2015	3124
css.properties.animation-timeline 📋	Firefox	2/14/2023	430
css.properties.animation-timeline.scroll 📋	Firefox	2/14/2023	430
css.properties.animation-timeline.view 📋	Firefox	6/6/2023	318
css.properties.background-image.element 📋	Firefox	3/22/2011	4777
css.properties.baseline-shift 📋	Safari	3/24/2020	1487
css.properties.baseline-source 📋	Firefox	7/4/2023	290
css.properties.block-size.fit-content_function	Firefox	8/10/2021	983
css.properties.box-flex-group	Safari	10/26/2007	6020
css.properties.box-lines	Safari	10/26/2007	6020
css.properties.break-after.always	Firefox	1/7/2020	1564
css.properties.break-after.avoid-column	Safari	3/24/2020	1487
css.properties.break-after.avoid-page	Safari	3/24/2020	1487
css.properties.break-after.column	Safari	3/24/2020	1487
css.properties.break-after.multicol_context 📋	Firefox	1/29/2019	1907
css.properties.break-after.multicol_context.always	Firefox	1/29/2019	1907
css.properties.break-after.paged_context.always	Firefox	1/29/2019	1907
css.properties.break-after.paged_context.avoid-page	Safari	9/20/2016	2768
css.properties.break-after.recto	Safari	3/24/2020	1487
css.properties.break-after.verso	Safari	3/24/2020	1487
css.properties.break-before.always	Firefox	1/7/2020	1564
css.properties.break-before.avoid-column	Safari	3/24/2020	1487
css.properties.break-before.avoid-page	Safari	3/24/2020	1487
css.properties.break-before.column	Safari	3/24/2020	1487
css.properties.break-before.multicol_context 📋	Firefox	1/29/2019	1907
css.properties.break-before.multicol_context.always	Firefox	1/29/2019	1907
css.properties.break-before.paged_context.always	Firefox	1/29/2019	1907
css.properties.break-before.recto	Safari	3/24/2020	1487
css.properties.break-before.verso	Safari	3/24/2020	1487
css.properties.break-inside.paged_context.avoid-page	Firefox	9/7/2021	955
css.properties.caption-side.writing-mode_relative_values	Firefox	11/3/2015	3090
css.properties.clip-path.is_animatable	Firefox	9/20/2016	2768
css.properties.color-interpolation.linearGradient	Firefox	2/20/2024	59
css.properties.column-gap.multicol_context.calc_values	Firefox	6/26/2018	2124
css.properties.column-gap.multicol_context.percentage_values	Firefox	6/26/2018	2124
css.properties.content.none_applies_to_elements	Firefox	8/10/2021	983
css.properties.counter-reset.reset_does_not_affect_siblings	Firefox	10/20/2020	1277
css.properties.counter-reset.reversed 📋	Firefox	1/11/2022	829
css.properties.d 📋	Firefox	2/8/2022	801
css.properties.direction.vertical_slider_direction	Firefox	11/21/2023	150
css.properties.display.contents.contents_unusual	Firefox	3/13/2018	2229
css.properties.display.list-item.legend-support	Firefox	12/11/2018	1956
css.properties.display.ruby	Firefox	5/12/2015	3265
css.properties.display.ruby-base	Firefox	5/12/2015	3265
css.properties.display.ruby-base-container	Firefox	5/12/2015	3265
css.properties.display.ruby-text	Firefox	5/12/2015	3265
css.properties.display.ruby-text-container	Firefox	5/12/2015	3265
css.properties.flex-grow.less_than_zero_animate	Firefox	9/2/2014	3517
css.properties.font-language-override 📋	Firefox	12/1/2014	3427
css.properties.font-size.math	Firefox	8/29/2023	234
css.properties.font-synthesis.position	Firefox	9/26/2023	206
css.properties.font-synthesis-position 📋	Firefox	9/26/2023	206
css.properties.font-variant-emoji 📋	Firefox	12/13/2022	493
css.properties.forced-color-adjust 📋	Firefox	5/9/2023	346
css.properties.glyph-orientation-vertical 📋	Safari	3/24/2020	1487
css.properties.grid-template-columns.masonry 📋	Firefox	6/2/2020	1417
css.properties.grid-template-rows.masonry 📋	Firefox	6/2/2020	1417
css.properties.hanging-punctuation 📋	Safari	9/20/2016	2768
css.properties.height.fit-content_function	Firefox	8/10/2021	983
css.properties.height.stretch	Safari	9/30/2015	3124
css.properties.hyphens.language_afrikaans	Firefox	11/8/2011	4546
css.properties.hyphens.language_bosnian	Firefox	11/8/2011	4546
css.properties.hyphens.language_bulgarian	Firefox	11/8/2011	4546
css.properties.hyphens.language_czech	Safari	3/21/2016	2951
css.properties.hyphens.language_esperanto	Firefox	11/8/2011	4546
css.properties.hyphens.language_estonian	Firefox	11/8/2011	4546
css.properties.hyphens.language_galician	Firefox	12/20/2011	4504
css.properties.hyphens.language_german_swiss_orthography	Firefox	11/8/2011	4546
css.properties.hyphens.language_german_traditional_orthography	Firefox	11/8/2011	4546
css.properties.hyphens.language_icelandic	Firefox	11/8/2011	4546
css.properties.hyphens.language_interlingua	Firefox	11/8/2011	4546
css.properties.hyphens.language_kurmanji	Firefox	11/8/2011	4546
css.properties.hyphens.language_latin	Firefox	11/8/2011	4546
css.properties.hyphens.language_lithuanian	Firefox	11/8/2011	4546
css.properties.hyphens.language_mongolian	Firefox	11/8/2011	4546
css.properties.hyphens.language_norwegian_nn	Firefox	11/8/2011	4546
css.properties.hyphens.language_portuguese_brazilian	Firefox	11/8/2011	4546
css.properties.hyphens.language_slovenian	Firefox	11/8/2011	4546
css.properties.hyphens.language_upper_sorbian	Firefox	11/8/2011	4546
css.properties.hyphens.language_welsh	Firefox	11/8/2011	4546
css.properties.image-rendering.smooth	Firefox	10/5/2021	927
css.properties.ime-mode 📋	Firefox	6/17/2008	5785
css.properties.initial-letter 📋	Safari	9/30/2015	3124
css.properties.inline-size.fit-content_function	Firefox	8/10/2021	983
css.properties.justify-content.flex_context.safe_unsafe	Firefox	10/23/2018	2005
css.properties.justify-tracks 📋	Firefox	6/2/2020	1417
css.properties.list-style.symbols 📋	Firefox	1/13/2015	3384
css.properties.list-style-type.afar	Safari	6/7/2010	5065
css.properties.list-style-type.amharic	Safari	6/7/2010	5065
css.properties.list-style-type.amharic-abegede	Safari	6/7/2010	5065
css.properties.list-style-type.asterisks	Safari	7/20/2011	4657
css.properties.list-style-type.binary	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-abegede	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-abegede-am-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-abegede-gez	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-abegede-ti-er	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-abegede-ti-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-aa-er	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-aa-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-am-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-gez	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-om-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-sid-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-so-et	Safari	6/7/2010	5065
css.properties.list-style-type.ethiopic-halehame-tig	Safari	6/7/2010	5065
css.properties.list-style-type.footnotes	Safari	7/20/2011	4657
css.properties.list-style-type.lower-hexadecimal	Safari	6/7/2010	5065
css.properties.list-style-type.lower-norwegian	Safari	6/7/2010	5065
css.properties.list-style-type.octal	Safari	6/7/2010	5065
css.properties.list-style-type.oromo	Safari	6/7/2010	5065
css.properties.list-style-type.sidama	Safari	6/7/2010	5065
css.properties.list-style-type.somali	Safari	6/7/2010	5065
css.properties.list-style-type.symbols 📋	Firefox	1/13/2015	3384
css.properties.list-style-type.tigre	Safari	6/7/2010	5065
css.properties.list-style-type.tigrinya-er	Safari	6/7/2010	5065
css.properties.list-style-type.tigrinya-er-abegede	Safari	6/7/2010	5065
css.properties.list-style-type.tigrinya-et	Safari	6/7/2010	5065
css.properties.list-style-type.tigrinya-et-abegede	Safari	6/7/2010	5065
css.properties.list-style-type.upper-greek	Safari	6/23/2003	7606
css.properties.list-style-type.upper-hexadecimal	Safari	6/7/2010	5065
css.properties.list-style-type.upper-norwegian	Safari	6/7/2010	5065
css.properties.margin-trim 📋	Safari	3/27/2023	389
css.properties.mask-border 📋	Safari	12/11/2023	130
css.properties.mask-border-outset 📋	Safari	12/11/2023	130
css.properties.mask-border-repeat 📋	Safari	12/11/2023	130
css.properties.mask-border-slice 📋	Safari	12/11/2023	130
css.properties.mask-border-source 📋	Safari	12/11/2023	130
css.properties.mask-border-width 📋	Safari	12/11/2023	130
css.properties.mask-clip.border	Safari	6/8/2009	5429
css.properties.mask-clip.content	Safari	6/8/2009	5429
css.properties.mask-clip.padding	Safari	6/8/2009	5429
css.properties.mask-clip.text	Safari	6/8/2009	5429
css.properties.mask-origin.border	Safari	3/14/2022	767
css.properties.mask-origin.content	Safari	3/14/2022	767
css.properties.mask-origin.fill-box	Firefox	4/19/2017	2557
css.properties.mask-origin.padding	Safari	3/14/2022	767
css.properties.mask-origin.stroke-box	Firefox	4/19/2017	2557
css.properties.mask-origin.view-box	Firefox	4/19/2017	2557
css.properties.math-depth 📋	Firefox	8/29/2023	234
css.properties.max-block-size.fit-content_function	Firefox	8/10/2021	983
css.properties.max-height.fit-content_function	Firefox	8/10/2021	983
css.properties.max-inline-size.fit-content_function	Firefox	8/10/2021	983
css.properties.max-width.fit-content_function	Firefox	8/10/2021	983
css.properties.min-block-size.fit-content_function	Firefox	8/10/2021	983
css.properties.min-height.auto	Safari	10/22/2013	3832
css.properties.min-height.fit-content_function	Firefox	8/10/2021	983
css.properties.min-height.stretch	Safari	9/30/2015	3124
css.properties.min-inline-size.fit-content_function	Firefox	8/10/2021	983
css.properties.min-width.fit-content_function	Firefox	8/10/2021	983
css.properties.mix-blend-mode.svg_elements	Firefox	9/2/2014	3517
css.properties.offset-path.basic_shape	Firefox	1/23/2024	87
css.properties.offset-path.coord_box	Firefox	1/23/2024	87
css.properties.orphans 📋	Safari	4/15/2005	6944
css.properties.overflow-anchor 📋	Firefox	3/19/2019	1858
css.properties.overflow-block 📋	Firefox	9/3/2019	1690
css.properties.overflow-clip-margin 📋	Firefox	6/28/2022	661
css.properties.overflow-inline 📋	Firefox	9/3/2019	1690
css.properties.ruby-align 📋	Firefox	5/12/2015	3265
css.properties.ruby-position.alternate	Firefox	4/19/2021	1096
css.properties.rx 📋	Firefox	1/7/2020	1564
css.properties.ry 📋	Firefox	1/7/2020	1564
css.properties.scroll-timeline 📋	Firefox	3/14/2023	402
css.properties.scroll-timeline-axis 📋	Firefox	3/14/2023	402
css.properties.scroll-timeline-name 📋	Firefox	3/14/2023	402
css.properties.scrollbar-color 📋	Firefox	12/11/2018	1956
css.properties.scrollbar-width 📋	Firefox	12/11/2018	1956
css.properties.shape-image-threshold.percentages	Firefox	10/22/2019	1641
css.properties.speak-as 📋	Safari	4/12/2018	2199
css.properties.stroke-color 📋	Safari	3/24/2020	1487
css.properties.text-decoration.includes_thickness	Firefox	10/22/2019	1641
css.properties.text-decoration-skip 📋	Safari	3/25/2019	1852
css.properties.text-decoration-thickness.percentage	Firefox	3/10/2020	1501
css.properties.text-justify 📋	Firefox	8/8/2017	2446
css.properties.text-overflow.string	Firefox	12/20/2011	4504
css.properties.text-overflow.two_value_syntax	Firefox	12/20/2011	4504
css.properties.text-transform.dutch_ij_digraph	Firefox	7/17/2012	4294
css.properties.text-transform.greek_accented_characters	Firefox	8/28/2012	4252
css.properties.text-underline-offset.percentage	Firefox	3/10/2020	1501
css.properties.text-underline-position.left	Firefox	3/10/2020	1501
css.properties.text-underline-position.right	Firefox	3/10/2020	1501
css.properties.text-wrap 📋	Firefox	12/19/2023	122
css.properties.text-wrap.balance 📋	Firefox	12/19/2023	122
css.properties.text-wrap.stable 📋	Firefox	12/19/2023	122
css.properties.transform-box.content-box	Safari	3/24/2020	1487
css.properties.transform-box.stroke-box	Safari	3/24/2020	1487
css.properties.user-modify.read-write-plaintext-only	Safari	10/26/2007	6020
css.properties.view-timeline 📋	Firefox	6/6/2023	318
css.properties.view-timeline-axis 📋	Firefox	6/6/2023	318
css.properties.view-timeline-name 📋	Firefox	3/14/2023	402
css.properties.white-space.svg_elements	Firefox	2/24/2015	3342
css.properties.widows 📋	Safari	4/15/2005	6944
css.properties.width.fit-content_function	Firefox	8/10/2021	983
css.properties.writing-mode.sideways-lr	Firefox	12/15/2015	3048
css.properties.writing-mode.sideways-rl	Firefox	12/15/2015	3048
css.properties.writing-mode.vertical_oriented_form_controls	Firefox	11/21/2023	150
css.properties.zoom	Safari	3/18/2008	5876
css.properties.zoom.reset	Safari	3/18/2008	5876
css.selectors.-moz-broken	Firefox	6/17/2008	5785
css.selectors.-moz-color-swatch	Firefox	2/4/2014	3727
css.selectors.-moz-first-node	Firefox	1/7/2020	1564
css.selectors.-moz-focus-inner	Firefox	1/7/2020	1564
css.selectors.-moz-last-node	Firefox	1/7/2020	1564
css.selectors.-moz-list-bullet	Firefox	1/7/2020	1564
css.selectors.-moz-list-number	Firefox	1/7/2020	1564
css.selectors.-moz-only-whitespace	Firefox	11/9/2004	7101
css.selectors.-moz-page	Firefox	11/9/2004	7101
css.selectors.-moz-page-sequence	Firefox	11/9/2004	7101
css.selectors.-moz-progress-bar	Firefox	1/7/2020	1564
css.selectors.-moz-range-progress	Firefox	6/25/2013	3951
css.selectors.-moz-range-thumb	Firefox	5/14/2013	3993
css.selectors.-moz-range-track	Firefox	5/14/2013	3993
css.selectors.-moz-scrolled-page-sequence	Firefox	11/29/2005	6716
css.selectors.-moz-submit-invalid	Firefox	4/19/2021	1096
css.selectors.-moz-window-inactive	Firefox	3/22/2011	4777
css.selectors.-webkit-details-marker	Safari	7/25/2012	4286
css.selectors.-webkit-inner-spin-button	Safari	6/7/2010	5065
css.selectors.-webkit-meter-bar	Safari	7/20/2011	4657
css.selectors.-webkit-meter-even-less-good-value	Safari	7/20/2011	4657
css.selectors.-webkit-meter-inner-element	Safari	10/22/2013	3832
css.selectors.-webkit-meter-optimum-value	Safari	7/20/2011	4657
css.selectors.-webkit-meter-suboptimum-value	Safari	7/20/2011	4657
css.selectors.-webkit-progress-bar	Safari	10/22/2013	3832
css.selectors.-webkit-progress-inner-element	Safari	10/22/2013	3832
css.selectors.-webkit-progress-value	Safari	10/22/2013	3832
css.selectors.-webkit-resizer	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar-button	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar-corner	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar-thumb	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar-track	Safari	6/8/2009	5429
css.selectors.-webkit-scrollbar-track-piece	Safari	6/8/2009	5429
css.selectors.-webkit-search-cancel-button	Safari	10/26/2007	6020
css.selectors.-webkit-search-results-button	Safari	10/26/2007	6020
css.selectors.after.animation_and_transition_support	Firefox	3/22/2011	4777
css.selectors.any-link.not_match_link	Firefox	3/23/2021	1123
css.selectors.attribute.case_sensitive_modifier	Firefox	3/19/2019	1858
css.selectors.backdrop.popover	Safari	9/18/2023	214
css.selectors.buffering 📋	Safari	3/14/2022	767
css.selectors.cue.selector_argument	Safari	10/22/2013	3832
css.selectors.first-child.no_parent_required	Firefox	3/7/2017	2600
css.selectors.first-letter.dutch_ij_digraph	Firefox	3/23/2021	1123
css.selectors.fullscreen.all_elements	Firefox	12/15/2015	3048
css.selectors.future 📋	Safari	10/22/2013	3832
css.selectors.highlight 📋	Safari	12/11/2023	130
css.selectors.last-child.no_parent_required	Firefox	3/7/2017	2600
css.selectors.left 📋	Safari	6/7/2010	5065
css.selectors.marker.animation_and_transition_support	Firefox	8/25/2020	1333
css.selectors.muted 📋	Safari	3/14/2022	767
css.selectors.nth-child.no_parent_required	Firefox	3/7/2017	2600
css.selectors.nth-last-child.no_parent_required	Firefox	3/7/2017	2600
css.selectors.only-child.no_parent_required	Firefox	3/7/2017	2600
css.selectors.past 📋	Safari	10/22/2013	3832
css.selectors.paused 📋	Safari	3/14/2022	767
css.selectors.picture-in-picture 📋	Safari	3/24/2020	1487
css.selectors.playing 📋	Safari	3/14/2022	767
css.selectors.popover-open 📋	Safari	9/18/2023	214
css.selectors.right 📋	Safari	6/7/2010	5065
css.selectors.seeking 📋	Safari	3/14/2022	767
css.selectors.stalled 📋	Safari	3/14/2022	767
css.selectors.state 📋	Firefox	12/19/2023	122
css.selectors.volume-locked 📋	Safari	3/14/2022	767
css.types.attr.fallback	Firefox	10/24/2023	178
css.types.basic-shape.path.d 📋	Firefox	2/8/2022	801
css.types.color.color.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.color-contrast 📋	Safari	9/20/2021	942
css.types.color.hsl.mixed_type_parameters	Firefox	1/23/2024	87
css.types.color.hsl.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.hwb.mixed_type_parameters	Firefox	1/23/2024	87
css.types.color.hwb.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.lab.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.lch.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.light-dark 📋	Firefox	11/21/2023	150
css.types.color.oklab.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.oklch.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.rgb.mixed_type_parameters	Firefox	5/9/2023	346
css.types.color.rgb.relative_syntax 📋	Safari	3/27/2023	389
css.types.color.system-color.mark_marktext_buttonborder 📋	Firefox	1/17/2023	458
css.types.global_keywords.revert-layer 📋	Firefox	2/8/2022	801
css.types.image.cross-fade 📋	Safari	9/20/2016	2768
css.types.image.element 📋	Firefox	11/14/2017	2348
css.types.image.gradient.conic-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.conic-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.image.gradient.linear-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.linear-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.image.gradient.radial-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.radial-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.image.gradient.repeating-conic-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.repeating-conic-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.image.gradient.repeating-linear-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.repeating-linear-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.image.gradient.repeating-radial-gradient.hue_interpolation_method	Safari	12/13/2022	493
css.types.image.gradient.repeating-radial-gradient.interpolation_color_space	Safari	12/13/2022	493
css.types.length.rcap 📋	Safari	12/11/2023	130
css.types.length.rch 📋	Safari	12/11/2023	130
css.types.length.rex 📋	Safari	12/11/2023	130
css.types.length.ric 📋	Safari	12/11/2023	130
css.types.overflow.overlay	Firefox	4/11/2023	374
css.types.ratio.number_value	Firefox	10/22/2019	1641
css.types.resolution 📋	Firefox	11/8/2011	4546
css.types.resolution.dpcm	Firefox	11/8/2011	4546
css.types.resolution.dpi	Firefox	11/8/2011	4546
css.types.resolution.dppx	Firefox	10/9/2012	4210
css.types.resolution.x	Firefox	9/5/2018	2053

HTML Data

API	First Browser	Date	Days in Limbo
html.elements.a.coords 📋	Safari	6/23/2003	7606
html.elements.a.href.href_sms	Firefox	4/24/2012	4378
html.elements.a.shape 📋	Safari	6/23/2003	7606
html.elements.a.text_fragments	Safari	10/24/2022	543
html.elements.audio.disableremoteplayback 📋	Safari	3/24/2020	1487
html.elements.base.href.forbid_data_javascript_urls	Safari	3/24/2020	1487
html.elements.button.popovertarget 📋	Safari	9/18/2023	214
html.elements.button.popovertargetaction 📋	Safari	9/18/2023	214
html.elements.canvas.moz-opaque	Firefox	6/30/2009	5407
html.elements.col.char 📋	Safari	10/26/2007	6020
html.elements.col.charoff 📋	Safari	10/26/2007	6020
html.elements.colgroup.char 📋	Safari	10/26/2007	6020
html.elements.colgroup.charoff 📋	Safari	10/26/2007	6020
html.elements.details.name	Safari	12/11/2023	130
html.elements.html.manifest 📋	Firefox	6/17/2008	5785
html.elements.iframe.external_protocol_urls_blocked	Firefox	5/21/2019	1795
html.elements.iframe.sandbox.allow-downloads 📋	Firefox	10/20/2020	1277
html.elements.iframe.sandbox.allow-orientation-lock 📋	Firefox	9/20/2016	2768
html.elements.iframe.sandbox.allow-presentation 📋	Firefox	11/15/2016	2712
html.elements.img.fetchpriority 📋	Safari	12/11/2023	130
html.elements.input.popovertarget 📋	Safari	9/18/2023	214
html.elements.input.popovertargetaction 📋	Safari	9/18/2023	214
html.elements.input.type_password.insecure_login_handling	Firefox	3/7/2017	2600
html.elements.link.fetchpriority 📋	Safari	12/11/2023	130
html.elements.link.rel.alternate_stylesheet 📋	Firefox	6/17/2008	5785
html.elements.link.rel.dns-prefetch 📋	Firefox	6/17/2008	5785
html.elements.link.rel.preload 📋	Firefox	1/26/2021	1179
html.elements.meta.http-equiv.set-cookie	Safari	6/23/2003	7606
html.elements.meta.name.theme-color 📋	Safari	9/20/2021	942
html.elements.script.fetchpriority 📋	Safari	12/11/2023	130
html.elements.summary.display_list_item	Firefox	9/20/2016	2768
html.elements.tbody.char	Safari	6/8/2009	5429
html.elements.td.char	Safari	6/8/2009	5429
html.elements.td.rowspan.rowspan_zero	Firefox	11/9/2004	7101
html.elements.textarea.placeholder.line_breaks	Firefox	3/13/2018	2229
html.elements.tfoot.char	Safari	6/8/2009	5429
html.elements.th.char	Safari	6/8/2009	5429
html.elements.th.rowspan.rowspan_zero	Firefox	11/9/2004	7101
html.elements.thead.char	Safari	6/8/2009	5429
html.elements.tr.char	Safari	6/8/2009	5429
html.elements.tr.charoff	Safari	6/8/2009	5429
html.elements.track.src.settable_src	Firefox	11/15/2016	2712
html.elements.video.disableremoteplayback 📋	Safari	3/24/2020	1487
html.elements.video.playsinline 📋	Safari	9/20/2016	2768
html.global_attributes.autocapitalize 📋	Firefox	3/14/2023	402
html.global_attributes.autocomplete.new-password	Firefox	5/21/2019	1795
html.global_attributes.autocomplete.one-time-code	Safari	9/17/2018	2041
html.global_attributes.contenteditable.plaintext-only	Safari	6/23/2003	7606
html.global_attributes.inputmode 📋	Firefox	12/7/2021	864
html.global_attributes.is 📋	Firefox	10/23/2018	2005
html.global_attributes.nonce.nonce_hiding	Firefox	4/7/2020	1473
html.global_attributes.popover 📋	Safari	9/18/2023	214
html.manifest.id 📋	Firefox	12/7/2021	864

JS Data

API	First Browser	Date	Days in Limbo
javascript.builtins.AggregateError.serializable_object	Firefox	7/26/2022	633
javascript.builtins.ArrayBuffer.detached 📋	Firefox	1/23/2024	87
javascript.builtins.ArrayBuffer.transfer 📋	Firefox	1/23/2024	87
javascript.builtins.ArrayBuffer.transferToFixedLength 📋	Firefox	1/23/2024	87
javascript.builtins.Atomics.Atomic_operations_on_non_shared_buffers	Firefox	7/28/2020	1361
javascript.builtins.Atomics.waitAsync 📋	Safari	3/27/2023	389
javascript.builtins.Error.Error.fileName_parameter	Firefox	11/9/2004	7101
javascript.builtins.Error.Error.lineNumber_parameter	Firefox	11/9/2004	7101
javascript.builtins.Error.cause.displayed_in_console	Firefox	8/10/2021	983
javascript.builtins.Error.columnNumber	Firefox	11/9/2004	7101
javascript.builtins.Error.fileName	Firefox	11/9/2004	7101
javascript.builtins.Error.lineNumber	Firefox	11/9/2004	7101
javascript.builtins.Error.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.EvalError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.FinalizationRegistry.symbol_as_target	Safari	3/27/2023	389
javascript.builtins.Function.displayName	Firefox	6/5/2012	4336
javascript.builtins.Function.toString.toString_revision	Firefox	6/13/2017	2502
javascript.builtins.InternalError	Firefox	11/9/2004	7101
javascript.builtins.InternalError.InternalError	Firefox	11/9/2004	7101
javascript.builtins.Intl.DurationFormat 📋	Safari	3/27/2023	389
javascript.builtins.Intl.DurationFormat.DurationFormat 📋	Safari	3/27/2023	389
javascript.builtins.Intl.DurationFormat.format 📋	Safari	3/27/2023	389
javascript.builtins.Intl.DurationFormat.formatToParts 📋	Safari	3/27/2023	389
javascript.builtins.Intl.DurationFormat.resolvedOptions 📋	Safari	3/27/2023	389
javascript.builtins.Intl.DurationFormat.supportedLocalesOf 📋	Safari	3/27/2023	389
javascript.builtins.Intl.Locale.getCalendars 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getCollations 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getHourCycles 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getNumberingSystems 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getTextInfo 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getTimeZones 📋	Safari	9/18/2023	214
javascript.builtins.Intl.Locale.getWeekInfo 📋	Safari	9/18/2023	214
javascript.builtins.Intl.PluralRules.PluralRules.options_roundingIncrement_parameter	Firefox	8/1/2023	262
javascript.builtins.Intl.PluralRules.PluralRules.options_roundingMode_parameter	Firefox	8/1/2023	262
javascript.builtins.Intl.PluralRules.PluralRules.options_roundingPriority_parameter	Firefox	8/1/2023	262
javascript.builtins.Intl.PluralRules.PluralRules.options_trailingZeroDisplay_parameter	Firefox	8/1/2023	262
javascript.builtins.Intl.Segmenter 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segmenter.Segmenter 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segmenter.resolvedOptions 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segmenter.segment 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segmenter.supportedLocalesOf 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segments 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segments.@@iterator 📋	Safari	4/26/2021	1089
javascript.builtins.Intl.Segments.containing 📋	Safari	4/26/2021	1089
javascript.builtins.Map.groupBy 📋	Firefox	10/24/2023	178
javascript.builtins.Object.groupBy 📋	Firefox	10/24/2023	178
javascript.builtins.Promise.incumbent_settings_object_tracking 📋	Firefox	11/15/2016	2712
javascript.builtins.Promise.withResolvers 📋	Firefox	12/19/2023	122
javascript.builtins.RangeError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.ReferenceError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.Set.difference 📋	Safari	9/18/2023	214
javascript.builtins.Set.intersection 📋	Safari	9/18/2023	214
javascript.builtins.Set.isDisjointFrom 📋	Safari	9/18/2023	214
javascript.builtins.Set.isSubsetOf 📋	Safari	9/18/2023	214
javascript.builtins.Set.isSupersetOf 📋	Safari	9/18/2023	214
javascript.builtins.Set.symmetricDifference 📋	Safari	9/18/2023	214
javascript.builtins.Set.union 📋	Safari	9/18/2023	214
javascript.builtins.SyntaxError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.TypeError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.URIError.serializable_object 📋	Firefox	7/26/2022	633
javascript.builtins.WeakMap.symbol_as_keys	Safari	3/27/2023	389
javascript.builtins.WeakRef.symbol_as_target	Safari	3/27/2023	389
javascript.builtins.WeakSet.symbol_as_keys	Safari	3/27/2023	389
javascript.grammar.trailing_commas.trailing_commas_in_dynamic_import	Safari	9/20/2021	942
javascript.operators.import.options_parameter	Safari	9/20/2021	942
javascript.statements.import.worklet_support	Firefox	6/6/2023	318