Gecko implemented features with missing reference documentation

Sorted by recently implemented.

296 features found.

• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaActiveDescendantElement
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaControlsElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaDescribedByElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaDetailsElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaErrorMessageElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaFlowToElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaLabelledByElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.Element.ariaOwnsElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaActiveDescendantElement
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaControlsElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaDescribedByElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaDetailsElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaErrorMessageElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaFlowToElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaLabelledByElements
• Limited availability. In 4 browsers only: [firefox: 136] [firefox_android: 136] [safari: 16.4] [safari_ios: 16.4] api.ElementInternals.ariaOwnsElements
• Newly available since 2024-09-16 (baseline low) api.ElementInternals.ariaBrailleLabel
• Newly available since 2024-09-16 (baseline low) api.ElementInternals.ariaBrailleRoleDescription
• Newly available since 2023-10-24 (baseline low) api.Element.ariaInvalid
• Newly available since 2023-10-24 (baseline low) api.Element.role
• Newly available since 2023-10-24 (baseline low) api.ElementInternals.ariaInvalid
• Newly available since 2023-08-01 (baseline low) api.HTMLInputElement.dirName
• Newly available since 2023-08-01 (baseline low) api.HTMLTextAreaElement.dirName
• Newly available since 2023-12-11 (baseline low) api.SVGImageElement.crossOrigin
• Limited availability. In 4 browsers only: [firefox: 111] [firefox_android: 111] [safari: 15.2] [safari_ios: 15.2] api.FileSystemHandle.move
• Newly available since 2023-03-14 (baseline low) api.HTMLFormElement.rel
• Newly available since 2023-03-14 (baseline low) api.HTMLFormElement.relList
• Newly available since 2023-12-11 (baseline low) api.HTMLLinkElement.imageSizes
• Newly available since 2023-12-11 (baseline low) api.HTMLLinkElement.imageSrcset
• Limited availability. In 7 browsers only: [chrome: 64] [chrome_android: 64] [edge: 12] [firefox: 70] [firefox_android: 79] [safari: 11] [safari_ios: 11] api.Document.captureEvents
• Limited availability. In 7 browsers only: [chrome: 64] [chrome_android: 64] [edge: 12] [firefox: 70] [firefox_android: 79] [safari: 11] [safari_ios: 11] api.Document.releaseEvents
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 69] [firefox_android: 79] [safari: 2] [safari_ios: 1] api.Document.queryCommandIndeterm
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 69] [firefox_android: 79] [safari: 2] [safari_ios: 1] api.Document.queryCommandValue
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.behavior
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.bgColor
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.direction
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.height
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.hspace
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.loop
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.scrollAmount
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.scrollDelay
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 1.2] [safari_ios: 1] api.HTMLMarqueeElement.start
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 1.2] [safari_ios: 1] api.HTMLMarqueeElement.stop
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.trueSpeed
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.vspace
• Limited availability. In 7 browsers only: [chrome: 10] [chrome_android: 18] [edge: 12] [firefox: 65] [firefox_android: 65] [safari: 5.1] [safari_ios: 5] api.HTMLMarqueeElement.width
• Limited availability. In 2 browsers only: [firefox: 48] [firefox_android: 48] api.Directory.getFiles
• Limited availability. In 2 browsers only: [firefox: 42] [firefox_android: 42] api.Directory.getFilesAndDirectories
• Limited availability. In 2 browsers only: [firefox: 42] [firefox_android: 42] api.Directory.path
• Widely available since 2022-07-15 (baseline high) api.DOMMatrix.scaleSelf
• Limited availability. In 7 browsers only: [chrome: 73] [chrome_android: 73] [edge: 79] [firefox: 33] [firefox_android: 33] [safari: 17.4] [safari_ios: 17.4] api.DOMMatrixReadOnly.scaleNonUniform
• Limited availability. In 2 browsers only: [firefox: 30] [firefox_android: 30] api.Directory
• Limited availability. In 2 browsers only: [firefox: 30] [firefox_android: 30] api.Directory.name
• Limited availability. In 5 browsers only: [chrome: 128] [chrome_android: 128] [edge: 128] [firefox: 23] [firefox_android: 23] api.CaretPosition.getClientRect
• Limited availability. In 5 browsers only: [chrome: 128] [chrome_android: 128] [edge: 128] [firefox: 20] [firefox_android: 20] api.CaretPosition.offset
• Limited availability. In 5 browsers only: [chrome: 128] [chrome_android: 128] [edge: 128] [firefox: 20] [firefox_android: 20] api.CaretPosition.offsetNode
• Limited availability. In 2 browsers only: [firefox: 18] [firefox_android: 18] api.HTMLCanvasElement.mozPrintCallback
• Limited availability. In 2 browsers only: [firefox: 17] [firefox_android: 17] api.HTMLMediaElement.mozGetMetadata
• Limited availability. In 2 browsers only: [firefox: 15] [firefox_android: 15] api.HTMLMediaElement.mozAudioCaptured
• Limited availability. In 2 browsers only: [firefox: 15] [firefox_android: 15] api.HTMLMediaElement.mozCaptureStreamUntilEnded
• Limited availability. In 2 browsers only: [firefox: 15] [firefox_android: 15] api.HTMLVideoElement.mozHasAudio
• Limited availability. In 2 browsers only: [firefox: 9] [firefox_android: 9] api.HTMLMediaElement.mozFragmentEnd
• Limited availability. In 2 browsers only: [firefox: 5] [firefox_android: 5] api.HTMLVideoElement.mozDecodedFrames
• Limited availability. In 2 browsers only: [firefox: 5] [firefox_android: 5] api.HTMLVideoElement.mozFrameDelay
• Limited availability. In 2 browsers only: [firefox: 4] [firefox_android: 4] api.DataTransfer.mozSourceNode
• Limited availability. In 2 browsers only: [firefox: 3.5] [firefox_android: 4] api.DataTransfer.mozCursor
• Limited availability. In 2 browsers only: [firefox: 3.5] [firefox_android: 4] api.DataTransfer.mozUserCancelled
• Newly available since 2024-03-05 (baseline low) api.SVGFESpecularLightingElement.kernelUnitLengthX
• Newly available since 2024-03-05 (baseline low) api.SVGFESpecularLightingElement.kernelUnitLengthY
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 2] [firefox_android: 4] api.External
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 2] [firefox_android: 4] api.External.AddSearchProvider
• Limited availability. In 5 browsers only: [chrome: 9] [chrome_android: 18] [edge: 12] [firefox: 2] [firefox_android: 4] api.External.IsSearchProviderInstalled
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAnchorElement.charset
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAnchorElement.coords
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAnchorElement.name
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAnchorElement.rev
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAnchorElement.shape
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLAreaElement.noHref
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBRElement.clear
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.aLink
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.background
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.bgColor
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.link
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.text
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLBodyElement.vLink
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLDListElement.compact
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLDirectoryElement
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLDirectoryElement.compact
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLDivElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLEmbedElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLEmbedElement.name
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.contentDocument
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.contentWindow
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.frameBorder
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.longDesc
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.marginHeight
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.marginWidth
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.name
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.noResize
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.scrolling
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameElement.src
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameSetElement.cols
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLFrameSetElement.rows
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLHRElement.align
• Limited availability. In 7 browsers only: [chrome: 33] [chrome_android: 33] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 10.1] [safari_ios: 10.3] api.HTMLHRElement.color
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLHRElement.noShade
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLHRElement.size
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLHRElement.width
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLHeadingElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.frameBorder
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.longDesc
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.marginHeight
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.marginWidth
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLIFrameElement.scrolling
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 2] api.HTMLImageElement.lowsrc
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLInputElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLInputElement.useMap
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLLIElement.type
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLLegendElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLLinkElement.charset
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLLinkElement.rev
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.HTMLLinkElement.target
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLMenuElement.compact
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLOListElement.compact
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.archive
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.border
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.code
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.codeBase
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.codeType
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.declare
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.hspace
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.standby
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLObjectElement.vspace
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLParagraphElement.align
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLParamElement.name
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLParamElement.type
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLParamElement.value
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLParamElement.valueType
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLPreElement.width
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLScriptElement.charset
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLScriptElement.event
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLScriptElement.htmlFor
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLTableCellElement.axis
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLTableCellElement.height
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLTableCellElement.width
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLTableColElement.width
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLUListElement.compact
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.HTMLUListElement.type
• Widely available since ≤2023-01-28 (baseline high) api.SVGPathElement.getPointAtLength
• Widely available since ≤2023-01-28 (baseline high) api.SVGPathElement.getTotalLength
• Widely available since ≤2023-01-28 (baseline high) api.SVGPathElement.pathLength
• Limited availability. In 2 browsers only: [firefox: 117] [firefox_android: 117] api.SVGScriptElement.async
• Limited availability. In 2 browsers only: [firefox: 117] [firefox_android: 117] api.SVGScriptElement.defer
• Limited availability. In 5 browsers only: [chrome: 111] [chrome_android: 111] [edge: 111] [firefox: 115] [firefox_android: 115] css.properties.baseline-source
• Limited availability. In 2 browsers only: [firefox: 114] [firefox_android: 114] api.WebTransportSendStream.getWriter
• Newly available since 2023-02-14 (baseline low) api.MathMLElement.autofocus
• Newly available since 2023-02-14 (baseline low) api.SVGElement.autofocus
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 90] [firefox_android: 90] [safari: 3] [safari_ios: 1] api.WheelEvent.wheelDelta
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 90] [firefox_android: 90] [safari: 3] [safari_ios: 1] api.WheelEvent.wheelDeltaX
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 90] [firefox_android: 90] [safari: 3] [safari_ios: 1] api.WheelEvent.wheelDeltaY
• Newly available since 2023-01-12 (baseline low) api.MathMLElement.blur
• Newly available since 2023-01-12 (baseline low) api.MathMLElement.dataset
• Newly available since 2023-01-12 (baseline low) api.MathMLElement.focus
• Newly available since 2023-01-12 (baseline low) api.MathMLElement.tabIndex
• Limited availability. In 2 browsers only: [firefox: 61] [firefox_android: 61] api.SVGAElement.hreflang
• Limited availability. In 2 browsers only: [firefox: 61] [firefox_android: 61] api.SVGAElement.referrerPolicy
• Limited availability. In 4 browsers only: [firefox: 61] [firefox_android: 61] [safari: 14] [safari_ios: 14] api.SVGAElement.rel
• Limited availability. In 4 browsers only: [firefox: 61] [firefox_android: 61] [safari: 14] [safari_ios: 14] api.SVGAElement.relList
• Limited availability. In 2 browsers only: [firefox: 61] [firefox_android: 61] api.SVGAElement.type
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.VTTRegion
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.id
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 12.1] [safari_ios: 12.2] api.VTTRegion.lines
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.regionAnchorX
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.regionAnchorY
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.scroll
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.viewportAnchorX
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.viewportAnchorY
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 7] [safari_ios: 7] api.VTTRegion.width
• Widely available since 2022-07-15 (baseline high) api.SVGRadialGradientElement.fr
• Limited availability. In 2 browsers only: [firefox: 40] [firefox_android: 40] api.RTCIdentityAssertion.idp
• Limited availability. In 2 browsers only: [firefox: 40] [firefox_android: 40] api.RTCIdentityAssertion.name
• Limited availability. In 2 browsers only: [firefox: 40] [firefox_android: 40] api.RTCPeerConnection.idpLoginUrl
• Limited availability. In 2 browsers only: [firefox: 20] [firefox_android: 20] api.SVGAElement.download
• Limited availability. In 2 browsers only: [firefox: 14] [firefox_android: 14] api.SVGScriptElement.crossOrigin
• Limited availability. In 2 browsers only: [firefox: 5] [firefox_android: 5] api.HTMLVideoElement.mozPaintedFrames
• Limited availability. In 2 browsers only: [firefox: 5] [firefox_android: 5] api.HTMLVideoElement.mozParsedFrames
• Limited availability. In 2 browsers only: [firefox: 5] [firefox_android: 5] api.HTMLVideoElement.mozPresentedFrames
• Limited availability. In 2 browsers only: [firefox: 4] [firefox_android: 4] api.TimeEvent.detail
• Limited availability. In 2 browsers only: [firefox: 4] [firefox_android: 4] api.TimeEvent.initTimeEvent
• Limited availability. In 2 browsers only: [firefox: 4] [firefox_android: 4] api.TimeEvent.view
• Limited availability. In 7 browsers only: [chrome: 2] [chrome_android: 18] [edge: 12] [firefox: 3] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.MessageEvent.initMessageEvent
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGElement.className
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGPoint.matrixTransform
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGPoint.x
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGPoint.y
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGSVGElement.forceRedraw
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGSVGElement.suspendRedraw
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGSVGElement.unsuspendRedraw
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGSVGElement.unsuspendRedrawAll
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1.5] [firefox_android: 4] [safari: 3] [safari_ios: 1] api.SVGTextContentElement.selectSubString
• Widely available since 2018-01-29 (baseline high) api.SVGTextPositioningElement.rotate
• Limited availability. In 6 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] api.MimeType.description
• Limited availability. In 6 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] api.MimeType.enabledPlugin
• Limited availability. In 6 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] api.MimeType.suffixes
• Limited availability. In 6 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] api.MimeType.type
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.MimeTypeArray.item
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.MimeTypeArray.length
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.MimeTypeArray.namedItem
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.Plugin.description
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.Plugin.filename
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.Plugin.item
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.Plugin.length
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.Plugin.name
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.Plugin.namedItem
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.PluginArray.item
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.PluginArray.length
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 4] [safari_ios: 3.2] api.PluginArray.namedItem
• Limited availability. In 7 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 1] [safari_ios: 1] api.PluginArray.refresh
• Limited availability. In 4 browsers only: [firefox: ≤72] [firefox_android: ≤79] [safari: 15.4] [safari_ios: 15.4] css.properties.color-adjust
• Limited availability. In 5 browsers only: [chrome: 130] [chrome_android: 130] [edge: 130] [firefox: 134] [firefox_android: 134] webassembly.jsStringBuiltins
• Limited availability. In 5 browsers only: [chrome: 133] [chrome_android: 133] [edge: 133] [firefox: 134] [firefox_android: 134] webassembly.memory64
• Limited availability. In 2 browsers only: [firefox: 131] [firefox_android: 131] webassembly.exceptionsFinal
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 127] [firefox_android: 127] webdriver.bidi.permission
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 124] [firefox_android: 124] webdriver.bidi.storage
• Newly available since 2024-12-11 (baseline low) webassembly.tail-calls
• Newly available since 2024-12-11 (baseline low) webassembly.garbage-collection
• Newly available since 2024-09-16 (baseline low) webassembly.typedFunctionReferences
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 117] [firefox_android: 117] webdriver.bidi.browser
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 113] [firefox_android: 113] webdriver.bidi.input
• Newly available since 2024-03-05 (baseline low) webassembly.extended-constant-expressions
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 110] [firefox_android: 110] webdriver.bidi.network
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 106] [firefox_android: 106] webdriver.bidi.script
• Widely available since 2024-11-03 (baseline high) webassembly.exception-handling
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 99] [firefox_android: 99] webdriver.bidi.browsingContext
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 94] [firefox_android: 94] webdriver.bidi.log
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [firefox: 92] [firefox_android: 92] webdriver.bidi.session
• Newly available since 2023-03-27 (baseline low) webassembly.fixed-width-SIMD
• Widely available since 2024-05-19 (baseline high) webassembly.reference-types
• Widely available since 2024-06-13 (baseline high) webassembly.threads-and-atomics
• Widely available since 2023-10-26 (baseline high) webassembly.BigInt-to-i64-integration
• Widely available since 2024-04-25 (baseline high) webassembly.bulk-memory-operations
• Widely available since 2023-04-20 (baseline high) webassembly.multi-value
• Widely available since 2024-04-25 (baseline high) webassembly.non-trapping-float-to-int-conversions
• Widely available since ≤2022-09-24 (baseline high) webassembly.mutable-globals
• Widely available since 2023-10-26 (baseline high) webassembly.sign-extension-operations
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.AcceptAlert
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.AddCookie
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.Back
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.DeleteAllCookies
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.DeleteCookie
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.DeleteSession
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.DismissAlert
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.ElementClear
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.ElementClick
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.ElementSendKeys
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.ExecuteAsyncScript
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.ExecuteScript
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.FindElement
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.FindElementFromElement
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.FindElements
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.FindElementsFromElement
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.Forward
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.FullscreenWindow
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetActiveElement
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetAlertText
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetAllCookies
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetCurrentURL
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetElementCSSValue
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetElementRect
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetElementText
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetNamedCookie
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetPageSource
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetTitle
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.GetWindowHandle
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.IsElementEnabled
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.IsElementSelected
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.MaximizeWindow
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.MinimizeWindow
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.NavigateTo
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.NewSession
• Limited availability. In 1 browsers only: [firefox: 55] webdriver.classic.PerformActions
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.Refresh
• Limited availability. In 1 browsers only: [firefox: 55] webdriver.classic.ReleaseActions
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.SendAlertText
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.Status
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.SwitchToFrame
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.SwitchToParentFrame
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.SwitchToWindow
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.TakeElementScreenshot
• Limited availability. In 3 browsers only: [chrome: 65] [edge: 79] [firefox: 55] webdriver.classic.TakeScreenshot
• Widely available since 2021-09-12 (baseline high) javascript.builtins.RegExp.source.escaping
• Widely available since 2021-09-12 (baseline high) javascript.builtins.RegExp.toString.escaping
• Limited availability. In 2 browsers only: [firefox: 3] [firefox_android: 4] css.properties.ime-mode