WebKit implemented features with missing reference documentation

Sorted by recently implemented.

386 features found.

• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-display
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-family
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-feature-settings
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-stretch
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-style
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-weight
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.font-width
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontDisplay
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontFamily
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontFeatureSettings
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontStretch
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontStyle
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontWeight
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.fontWidth
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.size-adjust
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.sizeAdjust
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.src
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.unicode-range
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CSSFontFaceDescriptors.unicodeRange
• Limited availability. In 4 browsers only: [firefox: 144] [firefox_android: 144] [safari: 26] [safari_ios: 26] api.CSSStyleProperties
• Limited availability. In 4 browsers only: [firefox: 144] [firefox_android: 144] [safari: 26] [safari_ios: 26] api.CSSStyleProperties.cssFloat
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CustomElementRegistry.CustomElementRegistry
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.CustomElementRegistry.initialize
• Limited availability. In 5 browsers only: [chrome: 141] [chrome_android: 141] [edge: 141] [safari: 26] [safari_ios: 26] api.DigitalCredential
• Limited availability. In 5 browsers only: [chrome: 141] [chrome_android: 141] [edge: 141] [safari: 26] [safari_ios: 26] api.DigitalCredential.data
• Limited availability. In 5 browsers only: [chrome: 141] [chrome_android: 141] [edge: 141] [safari: 26] [safari_ios: 26] api.DigitalCredential.protocol
• Limited availability. In 5 browsers only: [chrome: 141] [chrome_android: 141] [edge: 141] [safari: 26] [safari_ios: 26] api.DigitalCredential.toJSON
• Limited availability. In 5 browsers only: [chrome: 141] [chrome_android: 141] [edge: 141] [safari: 26] [safari_ios: 26] api.DigitalCredential.userAgentAllowsProtocol_static
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.Document.customElementRegistry
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.Element.customElementRegistry
• Limited availability. In 5 browsers only: [chrome: 136] [chrome_android: 136] [edge: 136] [safari: 26] [safari_ios: 26] api.GPUAdapterInfo.isFallbackAdapter
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.HTMLTemplateElement.shadowRootCustomElementRegistry
• Limited availability. In 5 browsers only: [chrome: 127] [chrome_android: 127] [edge: 127] [safari: 26] [safari_ios: 26] api.RTCEncodedAudioFrame.RTCEncodedAudioFrame
• Limited availability. In 5 browsers only: [chrome: 127] [chrome_android: 127] [edge: 127] [safari: 26] [safari_ios: 26] api.RTCEncodedVideoFrame.RTCEncodedVideoFrame
• Limited availability. In 2 browsers only: [safari: 26] [safari_ios: 26] api.ShadowRoot.customElementRegistry
• Limited availability. In 2 browsers only: [safari: 18.4] [safari_ios: 18.4] api.Window.pushManager
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [safari: 18.2] [safari_ios: 18.2] api.CSSViewTransitionRule
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [safari: 18.2] [safari_ios: 18.2] api.CSSViewTransitionRule.navigation
• Limited availability. In 5 browsers only: [chrome: 126] [chrome_android: 126] [edge: 126] [safari: 18.2] [safari_ios: 18.2] api.CSSViewTransitionRule.types
• Limited availability. In 5 browsers only: [chrome: 125] [chrome_android: 125] [edge: 125] [safari: 18.2] [safari_ios: 18.2] api.ViewTransition.types
• Limited availability. In 5 browsers only: [chrome: 125] [chrome_android: 125] [edge: 125] [safari: 18.2] [safari_ios: 18.2] api.ViewTransitionTypeSet
• 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 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 17.2] [safari_ios: 17.2] api.CSS.cap_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 17.2] [safari_ios: 17.2] api.CSS.rcap_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 17.2] [safari_ios: 17.2] api.CSS.rch_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 17.2] [safari_ios: 17.2] api.CSS.rex_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 17.2] [safari_ios: 17.2] api.CSS.ric_static
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.BufferedChangeEvent
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.BufferedChangeEvent.BufferedChangeEvent
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.BufferedChangeEvent.addedRanges
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.BufferedChangeEvent.removedRanges
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedMediaSource
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedMediaSource.ManagedMediaSource
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedMediaSource.endstreaming_event
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedMediaSource.startstreaming_event
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedMediaSource.streaming
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedSourceBuffer
• Limited availability. In 2 browsers only: [safari: 16.4] [safari_ios: 16.4] api.AudioSession
• Limited availability. In 2 browsers only: [safari: 16.4] [safari_ios: 16.4] api.AudioSession.type
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 16.4] [safari_ios: 16.4] api.CSS.ic_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 16.4] [safari_ios: 16.4] api.CSS.lh_static
• Limited availability. In 5 browsers only: [chrome: 118] [chrome_android: 118] [edge: 118] [safari: 16.4] [safari_ios: 16.4] api.CSS.rlh_static
• Limited availability. In 5 browsers only: [chrome: 100] [chrome_android: 100] [edge: 100] [safari: 16.4] [safari_ios: 16.4] api.CSSMathClamp
• Limited availability. In 5 browsers only: [chrome: 100] [chrome_android: 100] [edge: 100] [safari: 16.4] [safari_ios: 16.4] api.CSSMathClamp.CSSMathClamp
• Limited availability. In 5 browsers only: [chrome: 100] [chrome_android: 100] [edge: 100] [safari: 16.4] [safari_ios: 16.4] api.CSSMathClamp.lower
• Limited availability. In 5 browsers only: [chrome: 100] [chrome_android: 100] [edge: 100] [safari: 16.4] [safari_ios: 16.4] api.CSSMathClamp.upper
• Limited availability. In 5 browsers only: [chrome: 100] [chrome_android: 100] [edge: 100] [safari: 16.4] [safari_ios: 16.4] api.CSSMathClamp.value
• Limited availability. In 5 browsers only: [chrome: 66] [chrome_android: 66] [edge: 79] [safari: 16.4] [safari_ios: 16.4] api.CSSStyleValue.toString
• Limited availability. In 1 browsers only: [safari: 16.4] api.GamepadHapticActuator.canPlayEffectType
• Limited availability. In 2 browsers only: [safari: 15.4] [safari_ios: 15.4] api.HTMLAnchorElement.attributionSourceId
• Limited availability. In 4 browsers only: [firefox: 111] [firefox_android: 111] [safari: 15.2] [safari_ios: 15.2] api.FileSystemHandle.move
• Limited availability. In 2 browsers only: [safari: 15] [safari_ios: 15] api.HTMLOutputElement.HTMLOutputElement
• Limited availability. In 5 browsers only: [chrome: 68] [chrome_android: 68] [edge: 79] [safari: 14] [safari_ios: 14] api.AudioParam.automationRate
• Limited availability. In 2 browsers only: [safari: 12.1] [safari_ios: 12.2] api.IntersectionObserverEntry.IntersectionObserverEntry
• Limited availability. In 4 browsers only: [firefox: 59] [firefox_android: 59] [safari: 12.1] [safari_ios: 12.2] api.VTTRegion.lines
• Widely available since 2023-01-28 (baseline high) api.DOMMatrix.fromFloat32Array_static
• Widely available since 2023-01-28 (baseline high) api.DOMMatrix.fromFloat64Array_static
• Widely available since 2023-01-28 (baseline high) api.DOMMatrix.fromMatrix_static
• Widely available since 2023-01-28 (baseline high) api.DOMMatrixReadOnly.fromFloat32Array_static
• Widely available since 2023-01-28 (baseline high) api.DOMMatrixReadOnly.fromFloat64Array_static
• Widely available since 2023-01-28 (baseline high) api.DOMMatrixReadOnly.fromMatrix_static
• Widely available since 2023-01-28 (baseline high) api.DOMQuad.fromQuad_static
• Widely available since 2023-01-28 (baseline high) api.DOMQuad.fromRect_static
• Limited availability. In 2 browsers only: [safari: 11] [safari_ios: 11] api.DataCue
• Limited availability. In 2 browsers only: [safari: 11] [safari_ios: 11] api.DataCue.DataCue
• Limited availability. In 2 browsers only: [safari: 11] [safari_ios: 11] api.DataCue.type
• Limited availability. In 2 browsers only: [safari: 11] [safari_ios: 11] api.DataCue.value
• 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: 33] [chrome_android: 33] [edge: 12] [firefox: 1] [firefox_android: 4] [safari: 10.1] [safari_ios: 10.3] api.HTMLHRElement.color
• Limited availability. In 6 browsers only: [chrome: 53] [chrome_android: 53] [edge: 17] [firefox: 42] [firefox_android: 41] [safari: 10.1] api.SourceBufferList.addsourcebuffer_event
• Limited availability. In 6 browsers only: [chrome: 53] [chrome_android: 53] [edge: 17] [firefox: 42] [firefox_android: 41] [safari: 10.1] api.SourceBufferList.removesourcebuffer_event
• Limited availability. In 2 browsers only: [safari: 10] [safari_ios: 10] api.FontFaceSet.FontFaceSet
• Limited availability. In 5 browsers only: [chrome: 75] [chrome_android: 75] [edge: 79] [safari: 10] [safari_ios: 10] api.HTMLVideoElement.playsInline
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.GestureEvent.altKey
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.clientX
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.clientY
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.GestureEvent.ctrlKey
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.initGestureEvent
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.GestureEvent.metaKey
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.rotation
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.scale
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.screenX
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 2] api.GestureEvent.screenY
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.GestureEvent.shiftKey
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.GestureEvent.target
• Limited availability. In 2 browsers only: [safari: 9] [safari_ios: 9] api.HTMLMediaElement.getStartDate
• 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: 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
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] css.properties.-webkit-column-progression
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] css.properties.-webkit-cursor-visibility
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] css.properties.-webkit-mask-source-type
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] css.properties.-webkit-column-axis
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] css.properties.-webkit-hyphenate-limit-lines
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] css.properties.-webkit-line-align
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] css.properties.-webkit-line-grid
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] css.properties.-webkit-line-snap
• 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: 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 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-logical-height
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-logical-width
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-margin-after
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-margin-before
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-max-logical-height
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-max-logical-width
• Limited availability. In 5 browsers only: [chrome: 6] [chrome_android: 18] [edge: 12] [safari: 5] [safari_ios: 4] api.Window.styleMedia
• Limited availability. In 2 browsers only: [safari: 4] [safari_ios: 3.2] api.WebKitPoint.WebKitPoint
• Limited availability. In 2 browsers only: [safari: 4] [safari_ios: 3.2] api.WebKitPoint.x
• Limited availability. In 2 browsers only: [safari: 4] [safari_ios: 3.2] api.WebKitPoint.y
• Limited availability. In 3 browsers only: [firefox: 3.5] [firefox_android: 4] [safari: 3.1] api.HTMLElement.dragexit_event
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Counter
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Counter.identifier
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Counter.listStyle
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Counter.separator
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [safari: 3] [safari_ios: 1] api.Document.xmlStandalone
• 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.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: 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: 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
• Widely available since 2018-09-08 (baseline high) api.HTMLScriptElement.innerText
• Widely available since 2018-01-29 (baseline high) api.HTMLScriptElement.textContent
• 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.type
• 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 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGSVGElement.useCurrentView
• 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
• 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
• 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: 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: 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: 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: 1] [safari_ios: 1] api.HTMLHRElement.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.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: 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 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-border-horizontal-spacing
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-border-vertical-spacing
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-column-break-after
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-column-break-before
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-column-break-inside
• Limited availability. In 2 browsers only: [safari: ≤5.1] [safari_ios: ≤5] css.properties.-webkit-hyphenate-limit-after
• Limited availability. In 2 browsers only: [safari: ≤5.1] [safari_ios: ≤5] css.properties.-webkit-hyphenate-limit-before
• Limited availability. In 2 browsers only: [safari: ≤5.1] [safari_ios: ≤5] css.properties.-webkit-line-box-contain
• Limited availability. In 5 browsers only: [chrome: 11] [chrome_android: 18] [edge: 79] [safari: ≤5.1] [safari_ios: ≤5] css.properties.-webkit-locale
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-min-logical-height
• Limited availability. In 5 browsers only: [chrome: 8] [chrome_android: 18] [edge: 79] [safari: 5.1] [safari_ios: 5] css.properties.-webkit-min-logical-width
• Limited availability. In 2 browsers only: [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-nbsp-mode
• Limited availability. In 5 browsers only: [chrome: 2] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-perspective-origin-x
• Limited availability. In 5 browsers only: [chrome: 2] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-perspective-origin-y
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-rtl-ordering
• Limited availability. In 5 browsers only: [chrome: 9] [chrome_android: 18] [edge: 79] [safari: ≤5.1] [safari_ios: ≤5] css.properties.-webkit-text-combine
• Limited availability. In 6 browsers only: [chrome: 137] [chrome_android: 137] [firefox: 131] [firefox_android: 131] [safari: 18.4] [safari_ios: 18.4] webassembly.exceptionsFinal
• Newly available since 2024-12-11 (baseline low) webassembly.garbage-collection
• Limited availability. In 2 browsers only: [safari: 10] [safari_ios: 10] css.properties.-webkit-text-zoom
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-transform-origin-x
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-transform-origin-y
• Limited availability. In 5 browsers only: [chrome: 2] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-transform-origin-z
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: ≤4] [safari_ios: ≤3.2] css.properties.-webkit-user-drag
• Limited availability. In 5 browsers only: [chrome: 131] [chrome_android: 131] [edge: 131] [safari: 26] [safari_ios: 26] css.properties.anchor-scope
• Limited availability. In 2 browsers only: [safari: 18.4] [safari_ios: 18.4] api.Notification.navigate
• Limited availability. In 2 browsers only: [safari: 18.4] [safari_ios: 18.4] api.PushEvent.notification
• Limited availability. In 1 browsers only: [safari: 18.4] css.properties.font-width
• Limited availability. In 1 browsers only: [safari: 18.4] svg.global_attributes.font-width
• Limited availability. In 5 browsers only: [chrome: 125] [chrome_android: 125] [edge: 125] [safari: 18.2] [safari_ios: 18.2] css.selectors.active-view-transition-type
• Newly available since 2024-12-11 (baseline low) webassembly.tail-calls
• Newly available since 2024-09-16 (baseline low) webassembly.typedFunctionReferences
• Newly available since 2024-03-05 (baseline low) webassembly.extended-constant-expressions
• Limited availability. In 2 browsers only: [safari: 17] [safari_ios: 17.1] api.ManagedSourceBuffer.bufferedchange_event
• Limited availability. In 2 browsers only: [safari: 16.4] [safari_ios: 16.4] api.Navigator.audioSession
• Limited availability. In 5 browsers only: [chrome: 69] [chrome_android: 69] [edge: 79] [safari: 16.4] [safari_ios: 16.4] api.Report.toJSON
• Widely available since 2025-09-27 (baseline high) webassembly.fixed-width-SIMD
• Limited availability. In 6 browsers only: [chrome: 138] [chrome_android: 138] [firefox: 137] [firefox_android: 137] [safari: 16.1] [safari_ios: 16.4] api.PushSubscriptionChangeEvent.PushSubscriptionChangeEvent
• Limited availability. In 6 browsers only: [chrome: 138] [chrome_android: 138] [firefox: 137] [firefox_android: 137] [safari: 16] [safari_ios: 16.4] api.PushSubscriptionChangeEvent
• Limited availability. In 6 browsers only: [chrome: 138] [chrome_android: 138] [firefox: 137] [firefox_android: 137] [safari: 16] [safari_ios: 16.4] api.PushSubscriptionChangeEvent.newSubscription
• Limited availability. In 6 browsers only: [chrome: 138] [chrome_android: 138] [firefox: 137] [firefox_android: 137] [safari: 16] [safari_ios: 16.4] api.PushSubscriptionChangeEvent.oldSubscription
• Limited availability. In 5 browsers only: [chrome: 109] [chrome_android: 109] [edge: 109] [safari: 15.4] [safari_ios: 15.4] api.MathMLElement.nonce
• Limited availability. In 5 browsers only: [chrome: 72] [chrome_android: 72] [edge: 12] [safari: 15.4] [safari_ios: 15.4] api.RTCDtlsTransport.getRemoteCertificates
• Widely available since 2024-09-14 (baseline high) api.RTCDtlsTransport.statechange_event
• Limited availability. In 5 browsers only: [chrome: 74] [chrome_android: 74] [edge: 79] [safari: 15.4] [safari_ios: 15.4] api.RTCError.RTCError
• Limited availability. In 5 browsers only: [chrome: 74] [chrome_android: 74] [edge: 79] [safari: 15.4] [safari_ios: 15.4] api.RTCErrorEvent.RTCErrorEvent
• Limited availability. In 4 browsers only: [firefox: 48] [firefox_android: 48] [safari: 15.4] [safari_ios: 15.4] css.properties.color-adjust
• Widely available since 2025-08-14 (baseline high) svg.global_attributes.autofocus
• Widely available since 2024-11-03 (baseline high) webassembly.exception-handling
• Widely available since 2024-06-13 (baseline high) webassembly.threads-and-atomics
• Widely available since 2024-04-25 (baseline high) webassembly.bulk-memory-operations
• Widely available since 2024-04-25 (baseline high) webassembly.non-trapping-float-to-int-conversions
• Widely available since 2024-05-19 (baseline high) webassembly.reference-types
• Limited availability. In 2 browsers only: [safari: 15] [safari_ios: 15] api.RTCDataChannel.priority
• Widely available since 2023-10-26 (baseline high) api.PerformancePaintTiming.toJSON
• Limited availability. In 5 browsers only: [chrome: 77] [chrome_android: 77] [edge: 79] [safari: 14.1] [safari_ios: 14.5] api.RTCPeerConnectionIceErrorEvent.RTCPeerConnectionIceErrorEvent
• Limited availability. In 5 browsers only: [chrome: 77] [chrome_android: 77] [edge: 79] [safari: 14.1] [safari_ios: 14.5] api.RTCPeerConnectionIceErrorEvent.errorCode
• Limited availability. In 5 browsers only: [chrome: 77] [chrome_android: 77] [edge: 79] [safari: 14.1] [safari_ios: 14.5] api.RTCPeerConnectionIceErrorEvent.errorText
• Limited availability. In 5 browsers only: [chrome: 81] [chrome_android: 81] [edge: 81] [safari: 14.1] [safari_ios: 14.5] api.RTCPeerConnectionIceErrorEvent.port
• Limited availability. In 5 browsers only: [chrome: 77] [chrome_android: 77] [edge: 79] [safari: 14.1] [safari_ios: 14.5] api.RTCPeerConnectionIceErrorEvent.url
• Widely available since 2023-10-26 (baseline high) webassembly.BigInt-to-i64-integration
• Widely available since 2023-10-26 (baseline high) webassembly.sign-extension-operations
• Limited availability. In 2 browsers only: [safari: 13.1] [safari_ios: 13.4] api.SVGMarkerElement.orient
• Widely available since 2023-04-20 (baseline high) webassembly.multi-value
• Widely available since 2022-09-24 (baseline high) webassembly.mutable-globals
• Limited availability. In 2 browsers only: [safari: 12] [safari_ios: 12] api.RTCPeerConnectionIceEvent.url
• Limited availability. In 2 browsers only: [safari: 11.1] [safari_ios: 11.3] css.properties.stroke-color
• Limited availability. In 2 browsers only: [safari: 8] [safari_ios: 8] api.SVGFEGaussianBlurElement.edgeMode
• Widely available since 2022-10-13 (baseline high) svg.global_attributes.requiredExtensions
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.buffered
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.currentTime
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.defaultPlaybackRate
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.duration
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.muted
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.paused
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.playbackRate
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.playbackState
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.played
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.seekable
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.unpause
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.MediaController.volume
• Limited availability. In 2 browsers only: [safari: 7] [safari_ios: 7] api.SVGSVGElement.currentView
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] api.MediaController
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] api.MediaController.MediaController
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] api.MediaController.pause
• Limited availability. In 2 browsers only: [safari: 6] [safari_ios: 6] api.MediaController.play
• 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: [safari: 5] [safari_ios: 4.2] css.properties.background-repeat-x
• Limited availability. In 2 browsers only: [safari: 5] [safari_ios: 4.2] css.properties.background-repeat-y
• 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] [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: 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: 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: 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: 4] [safari_ios: 3.2] api.PluginArray.namedItem
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 79] [safari: 4] [safari_ios: 3.2] css.properties.baseline-shift
• Limited availability. In 2 browsers only: [safari: 4] [safari_ios: 3.2] css.properties.glyph-orientation-vertical
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.RGBColor
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.RGBColor.blue
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.RGBColor.green
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.RGBColor.red
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Rect
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Rect.bottom
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Rect.left
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Rect.right
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.Rect.top
• 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 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegArcAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegArcRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegClosePath
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoCubicAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoCubicRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoQuadraticAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoQuadraticRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoHorizontalAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoHorizontalRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoVerticalAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegLinetoVerticalRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegMovetoAbs
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.createSVGPathSegMovetoRel
• Limited availability. In 2 browsers only: [safari: 3] [safari_ios: 1] api.SVGPathElement.getPathSegAtLength
• 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 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [safari: 3] [safari_ios: 1] api.SVGSVGElement.getEnclosureList
• Limited availability. In 5 browsers only: [chrome: 1] [chrome_android: 18] [edge: 12] [safari: 3] [safari_ios: 1] api.SVGSVGElement.getIntersectionList
• 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
• Widely available since 2018-01-29 (baseline high) svg.global_attributes.text-overflow
• 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: 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: 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: 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: 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: 1] [safari_ios: 1] api.PluginArray.refresh
• Widely available since 2018-01-29 (baseline high) svg.global_attributes.white-space