Webdex

Color key: WebIDL CSS Markup HTTP

h (CSS value for hsl() ) §

Defined in CSS Color 5

h (CSS value for hwb() ) §

Defined in CSS Color 5

h (CSS value for lch() ) §

Defined in CSS Color 5

h (CSS value for oklch() ) §

Defined in CSS Color 5

CSSHSL.h (WebIDL attribute) §

Defined in CSS Typed OM 1

CSSHWB.h (WebIDL attribute) §

Defined in CSS Typed OM 1

CSSLCH.h (WebIDL attribute) §

Defined in CSS Typed OM 1

CSSOKLCH.h (WebIDL attribute) §

Defined in CSS Typed OM 1

h1 (markup element) §

Defined in HTML

Referenced in Selectors 4, WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

h2 (markup element) §

Defined in HTML

Referenced in WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

h3 (markup element) §

Defined in HTML

Referenced in WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

h4 (markup element) §

Defined in HTML

Referenced in WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

h5 (markup element) §

Defined in HTML

Referenced in WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

h6 (markup element) §

Defined in HTML

Referenced in WAI-ARIA, WAI-ARIA

Related terms: markup attribute align

had conflicting credentials (concept for prefetch record ) §

Defined in Prefetch

LayoutShift.hadRecentInput (WebIDL attribute) §

Defined in Layout Instability

"half" (value for RequestDuplex WebIDL enumeration) §

Defined in Fetch

Halfwidth (concept) §

Defined in Internationalization Glossary

Gamepad.hand (WebIDL attribute) §

Defined in Gamepad Extensions

XRInputSource.hand (WebIDL attribute) §

Defined in WebXR Hand Input 1

XRInputSource.handedness (WebIDL attribute) §

Defined in WebXR Device API

handheld (CSS value for @media ) §

Defined in CSS 2.2 , Media Queries 4 , Media Queries 5

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

CaptureHandle.handle (WebIDL dictionary member) §

Defined in Capture Handle - Bootstrapping Collaboration when Screensharing

CaptureHandleConfig.handle (WebIDL dictionary member) §

Defined in Capture Handle - Bootstrapping Collaboration when Screensharing

FileSystemPermissionDescriptor.handle (WebIDL dictionary member) §

Defined in File System Access

MediaSource.handle (WebIDL attribute) §

Defined in Media Source Extensions™

handle content codings (concept) §

Defined in Fetch

Referenced in Loading Signed Exchanges

Handle errors (algorithm) §

Defined in Incremental Font Transfer

Handle Fetch (concept) §

Defined in Service Workers

Referenced in Fetch, Navigational-Tracking Mitigations

handle fetch task source (concept) §

Defined in Service Workers

handle functional event task source (concept) §

Defined in Service Workers

Handle input for EditContext (concept) §

Defined in EditContext API

Referenced in Input Events 2

FetchEvent.handled (WebIDL attribute) §

Defined in Service Workers

FetchEventInit.handled (WebIDL dictionary member) §

Defined in Service Workers

EventListener.handleEvent(event) (WebIDL operation) §

Defined in DOM

Referenced in UI Events

NavigationInterceptOptions.handler (WebIDL dictionary member) §

Defined in HTML

handwriting recognition task source (concept) §

Defined in Handwriting Recognition API

handwriting recognizer (concept) §

Defined in Handwriting Recognition API

HandwritingDrawing (WebIDL interface) §

Defined in Handwriting Recognition API

Related terms: HandwritingDrawing.addStroke(stroke), HandwritingDrawing.clear(), HandwritingDrawing.getPrediction(), HandwritingDrawing.getStrokes(), HandwritingDrawing.removeStroke(stroke)

see also WebIDLPedia

HandwritingDrawingSegment (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingDrawingSegment.beginPointIndex, HandwritingDrawingSegment.endPointIndex, HandwritingDrawingSegment.strokeIndex

see also WebIDLPedia

HandwritingHints (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingHints.alternatives, HandwritingHints.inputType, HandwritingHints.recognitionType, HandwritingHints.textContext

see also WebIDLPedia

HandwritingHintsQueryResult (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingHintsQueryResult.alternatives, HandwritingHintsQueryResult.inputType, HandwritingHintsQueryResult.recognitionType, HandwritingHintsQueryResult.textContext

see also WebIDLPedia

HandwritingInputType (WebIDL enumeration) §

Defined in Handwriting Recognition API

Related terms: value mouse, value stylus, value touch

see also WebIDLPedia

HandwritingModelConstraint (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingModelConstraint.languages

see also WebIDLPedia

HandwritingPoint (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingPoint.t, HandwritingPoint.x, HandwritingPoint.y

see also WebIDLPedia

HandwritingPrediction (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingPrediction.segmentationResult, HandwritingPrediction.text

see also WebIDLPedia

HandwritingRecognitionType (WebIDL enumeration) §

Defined in Handwriting Recognition API

Related terms: value per-character, value text

see also WebIDLPedia

HandwritingRecognizer (WebIDL interface) §

Defined in Handwriting Recognition API

Related terms: HandwritingRecognizer.finish(), HandwritingRecognizer.startDrawing(hints)

see also WebIDLPedia

HandwritingRecognizerQueryResult (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingRecognizerQueryResult.hints, HandwritingRecognizerQueryResult.textAlternatives, HandwritingRecognizerQueryResult.textSegmentation

see also WebIDLPedia

HandwritingSegment (WebIDL dictionary) §

Defined in Handwriting Recognition API

Related terms: HandwritingSegment.beginIndex, HandwritingSegment.drawingSegments, HandwritingSegment.endIndex, HandwritingSegment.grapheme

see also WebIDLPedia

HandwritingStroke (WebIDL interface) §

Defined in Handwriting Recognition API

Related terms: new HandwritingStroke(), HandwritingStroke.addPoint(point), HandwritingStroke.clear(), HandwritingStroke.getPoints()

see also WebIDLPedia

new HandwritingStroke() (WebIDL constructor) §

Defined in Handwriting Recognition API

"hanging" (value for CanvasTextBaseline WebIDL enumeration) §

Defined in HTML

hanging (CSS value for dominant-baseline ) §

Defined in CSS Inline Layout 3

hanging (CSS value for initial-letter-align ) §

Defined in CSS Inline Layout 3

hanging (CSS value for text-indent ) §

Defined in CSS Text 3 , CSS Text 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

hanging baseline (concept) §

Defined in CSS Inline Layout 3

hanging-punctuation (CSS property) §

Defined in CSS Text 3 , CSS Text 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Inline Layout 3

Related terms: CSS value allow-end, CSS value first, CSS value force-end, CSS value last, CSS value none

TextMetrics.hangingBaseline (WebIDL attribute) §

Defined in HTML

"hangup" (value for MediaSessionAction WebIDL enumeration) §

Defined in Media Session

happens-before (concept for ECMAScript ) §

Defined in ECMAScript

Gamepad.hapticActuators (WebIDL attribute) §

Defined in Gamepad Extensions

hard (value for wrap attribute of textarea element ) §

Defined in HTML

hard-light (CSS value for <blend-mode> ) §

Defined in Compositing 2 , Compositing 1

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

MLOpSupportLimits.hardSigmoid (WebIDL dictionary member) §

Defined in Web Neural Network API

MLGraphBuilder.hardSigmoid(input, options) (WebIDL operation) §

Defined in Web Neural Network API

MLOpSupportLimits.hardSwish (WebIDL dictionary member) §

Defined in Web Neural Network API

MLGraphBuilder.hardSwish(input, options) (WebIDL operation) §

Defined in Web Neural Network API

"hardware" (value for FlowControlType WebIDL enumeration) §

Defined in Web Serial API

"hardware" (value for AudioContextRenderSizeCategory WebIDL enumeration) §

Defined in Web Audio API , Web Audio API 1.1

"hardware-context-reset" (value for MediaKeySessionClosedReason WebIDL enumeration) §

Defined in Encrypted Media Extensions

"hardware-encoder-error" (value for RTCErrorDetailType WebIDL enumeration) §

Defined in WebRTC 1.0

"hardware-encoder-not-available" (value for RTCErrorDetailType WebIDL enumeration) §

Defined in WebRTC 1.0

VideoDecoderConfig.hardwareAcceleration (WebIDL dictionary member) §

Defined in WebCodecs

VideoEncoderConfig.hardwareAcceleration (WebIDL dictionary member) §

Defined in WebCodecs

HardwareAcceleration (WebIDL enumeration) §

Defined in WebCodecs

Related terms: value no-preference, value prefer-hardware, value prefer-software

see also WebIDLPedia

has an attribute (concept) §

Defined in DOM

Referenced in Web Animations

has disabled untrusted network (concept for fenced frame config instance ) §

Defined in Fenced Frame

has ever been evaluated flag (concept for script resource ) §

Defined in Service Workers

Referenced in DOM

has focus steps (concept) §

Defined in HTML

Referenced in Content Index, Fenced Frame, Clipboard API and events, Service Workers

has not shifted (concept) §

Defined in Layout Instability

has regexp groups (concept for URL pattern ) §

Defined in URL Pattern

Referenced in Service Workers

has shifted (concept) §

Defined in Layout Instability

:has-allowed pseudo-element (concept) §

Defined in Selectors 4

:has-slotted (CSS selector) §

Defined in CSS Scoping 1

:has() (CSS selector) §

Defined in Selectors 4

Referenced in CSS Pseudo-Elements 4

MediaKeyStatusMap.has() (WebIDL operation) §

Defined in Encrypted Media Extensions

NamedFlowMap.has() (WebIDL operation) §

Defined in CSS Regions 1

CacheStorage.has(cacheName) (WebIDL operation) §

Defined in Service Workers

Map.has(key) (WebIDL operation) §

Defined in ECMAScript

WeakMap.has(key) (WebIDL operation) §

Defined in ECMAScript

URLSearchParams.has(name, value) (WebIDL operation) §

Defined in URL

FormData.has(name) (WebIDL operation) §

Defined in XMLHttpRequest

Referenced in Credential Management 1

Headers.has(name) (WebIDL operation) §

Defined in Fetch

StylePropertyMap.has(property) (WebIDL operation) §

StylePropertyMapReadOnly.has(property) (WebIDL operation) §

Defined in CSS Typed OM 1

Reflect.has(target, propertyKey) (WebIDL operation) §

Defined in ECMAScript

has(value) (WebIDL operation for Set ) §

Defined in ECMAScript

WeakSet.has(value) (WebIDL operation) §

Defined in ECMAScript

VideoConfiguration.hasAlphaChannel (WebIDL dictionary member) §

Defined in Media Capabilities

Element.hasAttribute(qualifiedName) (WebIDL operation) §

Defined in DOM

Referenced in WebDriver

Element.hasAttributeNS(namespace, localName) (WebIDL operation) §

Defined in DOM

Element.hasAttributes() (WebIDL operation) §

Defined in DOM

UserActivation.hasBeenActive (WebIDL attribute) §

Defined in HTML

HasBinding(N) (algorithm for Declarative Environment Record ) §

Defined in ECMAScript

HasBinding(N) (algorithm for Object Environment Record ) §

Defined in ECMAScript

HasBinding(N) (algorithm for Global Environment Record ) §

Defined in ECMAScript

MLGraphBuilder.[[hasBuilt]] (internal slot) §

Defined in Web Neural Network API

Node.hasChildNodes() (WebIDL operation) §

Defined in DOM

GPUBufferBindingLayout.hasDynamicOffset (WebIDL dictionary member) §

Defined in WebGPU

HasEitherUnicodeFlag (algorithm) §

Defined in ECMAScript

DOMImplementation.hasFeature() (WebIDL operation) §

Defined in DOM

EpubReadingSystem.hasFeature() (WebIDL operation) §

Defined in EPUB Reading Systems 3.3

Document.hasFocus() (WebIDL operation) §

Defined in HTML

hash (concept for state of constructor string parser ) §

Defined in URL Pattern

EcdsaParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

HkdfParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

HmacImportParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

HmacKeyAlgorithm.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

HmacKeyGenParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

HTMLHyperlinkElementUtils.hash (WebIDL attribute) §

Defined in HTML

Location.hash (WebIDL attribute) §

Defined in HTML

Pbkdf2Params.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

RsaHashedImportParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

RsaHashedKeyAlgorithm.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

RsaHashedKeyGenParams.hash (WebIDL dictionary member) §

Defined in Web Cryptography API

hash (WebIDL attribute for URL ) §

Defined in URL

URLPattern.hash (WebIDL attribute) §

Defined in URL Pattern

URLPatternInit.hash (WebIDL dictionary member) §

Defined in URL Pattern

URLPatternResult.hash (WebIDL dictionary member) §

Defined in URL Pattern

WorkerLocation.hash (WebIDL attribute) §

Defined in HTML

hash-algorithm (grammar) §

Defined in Content Security Policy 3

Referenced in SRI

hash-expression (grammar) §

Defined in SRI

hash-source (grammar) §

Defined in Content Security Policy 3

Referenced in Speculation Rules, Loading Signed Exchanges, Content Security Policy: Embedded Enforcement

<hash-token> (CSS type) §

Defined in CSS Syntax 3

Referenced in CSS Color 4, Selectors 4

hash-with-options (grammar) §

Defined in SRI

HashAlgorithmIdentifier (WebIDL type alias) §

Defined in Web Cryptography API

see also WebIDLPedia

NavigateEvent.hashChange (WebIDL attribute) §

Defined in HTML

NavigateEventInit.hashChange (WebIDL dictionary member) §

Defined in HTML

hashchange (event for Window ) §

Defined in HTML

HashChangeEvent (WebIDL interface) §

Defined in HTML

Referenced in DOM, URL, URL Fragment Text Directives

Related terms: HashChangeEvent.newURL, HashChangeEvent.oldURL

see also WebIDLPedia

HashChangeEventInit (WebIDL dictionary) §

Defined in HTML

see also WebIDLPedia

RegExp.hasIndices (WebIDL attribute) §

Defined in ECMAScript

Symbol.hasInstance (WebIDL attribute) §

Defined in ECMAScript

HasLexicalDeclaration(N) (algorithm for Global Environment Record ) §

Defined in ECMAScript

HIDReportItem.hasNull (WebIDL dictionary member) §

Defined in WebHID API

GamepadPose.hasOrientation (WebIDL attribute) §

Defined in Gamepad Extensions

Object.hasOwn(O, P) (WebIDL operation) §

Defined in ECMAScript

HasOwnProperty (algorithm) §

Defined in ECMAScript

Referenced in HTML, ShadowRealm API, Indexed DB 3.0

Object.hasOwnProperty(V) (WebIDL operation) §

Defined in ECMAScript

Element.hasPointerCapture() (WebIDL operation) §

Defined in Pointer Events

GamepadPose.hasPosition (WebIDL attribute) §

Defined in Gamepad Extensions

HIDReportItem.hasPreferredState (WebIDL dictionary member) §

Defined in WebHID API

Document.hasPrivateToken(issuer) (WebIDL operation) §

Defined in Private State Token API

HasProperty (algorithm) §

Defined in ECMAScript

Referenced in ECMAScript Internationalization API

Sensor.hasReading (WebIDL attribute) §

Defined in Generic Sensor API

Document.hasRedemptionRecord(issuer) (WebIDL operation) §

Defined in Private State Token API

URLPattern.hasRegExpGroups (WebIDL attribute) §

Defined in URL Pattern

HasRestrictedGlobalProperty(N) (algorithm for Global Environment Record ) §

Defined in ECMAScript

Document.hasStorageAccess() (WebIDL operation) §

Defined in The Storage Access API

Referenced in Extending Storage Access API to non-cookie storage

HasSuperBinding() (algorithm for Declarative Environment Record ) §

Defined in ECMAScript

HasSuperBinding() (algorithm for Object Environment Record ) §

Defined in ECMAScript

HasSuperBinding() (algorithm for Function Environment Record ) §

Defined in ECMAScript

HasSuperBinding() (algorithm for Global Environment Record ) §

Defined in ECMAScript

HasThisBinding() (algorithm for Declarative Environment Record ) §

Defined in ECMAScript

HasThisBinding() (algorithm for Object Environment Record ) §

Defined in ECMAScript

HasThisBinding() (algorithm for Function Environment Record ) §

Defined in ECMAScript

HasThisBinding() (algorithm for Global Environment Record ) §

Defined in ECMAScript

HasThisBinding() (algorithm for Module Environment Record ) §

Defined in ECMAScript

NavigateEvent.hasUAVisualTransition (WebIDL attribute) §

Defined in HTML

NavigateEventInit.hasUAVisualTransition (WebIDL dictionary member) §

Defined in HTML

PopStateEvent.hasUAVisualTransition (WebIDL attribute) §

Defined in HTML

PopStateEventInit.hasUAVisualTransition (WebIDL dictionary member) §

Defined in HTML

Document.hasUnpartitionedCookieAccess() (WebIDL operation) §

Defined in Extending Storage Access API to non-cookie storage

HasVarDeclaration(N) (algorithm for Global Environment Record ) §

Defined in ECMAScript

HTMLMediaElement.HAVE_CURRENT_DATA (WebIDL constant) §

Defined in HTML

Referenced in Encrypted Media Extensions, Media Source Extensions™

HTMLMediaElement.HAVE_ENOUGH_DATA (WebIDL constant) §

Defined in HTML

Referenced in Encrypted Media Extensions, Media Source Extensions™

HTMLMediaElement.HAVE_FUTURE_DATA (WebIDL constant) §

Defined in HTML

Referenced in Encrypted Media Extensions, Media Source Extensions™

HTMLMediaElement.HAVE_METADATA (WebIDL constant) §

Defined in HTML

Referenced in Accelerated Shape Detection in Images, Encrypted Media Extensions, Media Source Extensions™, Media Capture and Streams

HTMLMediaElement.HAVE_NOTHING (WebIDL constant) §

Defined in HTML

Referenced in Accelerated Shape Detection in Images, Media Source Extensions™, Media Capture from DOM Elements, Open Screen Protocol, Picture-in-Picture

"have-local-offer" (value for RTCSignalingState WebIDL enumeration) §

Defined in WebRTC 1.0

"have-local-pranswer" (value for RTCSignalingState WebIDL enumeration) §

Defined in WebRTC 1.0

"have-remote-offer" (value for RTCSignalingState WebIDL enumeration) §

Defined in WebRTC 1.0

"have-remote-pranswer" (value for RTCSignalingState WebIDL enumeration) §

Defined in WebRTC 1.0

HDR headroom (concept) §

Defined in CSS Color HDR 1

VideoConfiguration.hdrMetadataType (WebIDL dictionary member) §

Defined in Media Capabilities

HdrMetadataType (WebIDL enumeration) §

Defined in Media Capabilities

Related terms: value smpteSt2086, value smpteSt2094-10, value smpteSt2094-40

see also WebIDLPedia

head (markup element) §

Defined in HTML

Referenced in DOM, HTML Accessibility API Mappings 1.0, ARIA in HTML

Related terms: markup attribute profile

head (markup element) §

Defined in EPUB 3.3

Document.head (WebIDL attribute) §

Defined in HTML

"head-locked" (value for XRDOMOverlayType WebIDL enumeration) §

Defined in WebXR DOM Overlays

header (concept) §

Defined in Fetch

Referenced in Compatibility, WebDriver BiDi, Attribution Reporting, Background Fetch, Fenced Frame, Shared Storage API, Loading Signed Exchanges, Federated Credential Management API, Reporting API, Service Workers, WebDriver

Related terms: concept name, concept value

header (markup element) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0, ARIA in HTML, WAI-ARIA, WAI-ARIA

header list (concept) §

Defined in Fetch

Referenced in HTML, Topics API, Navigational-Tracking Mitigations, WebDriver BiDi, Attribution Reporting, Fenced Frame, Media Feeds, Protected Audience, Loading Signed Exchanges, Reporting API, XMLHttpRequest

Related terms: concept append, concept combine, concept contains, concept delete, concept extract a length, concept extract a MIME type, concept get, concept get a structured field value, concept get, decode, and split, concept set, concept set a structured field value, concept sort and combine

header list (concept for request ) §

Defined in Fetch

Referenced in HTML, Private Aggregation API, Topics API, WebDriver BiDi, WebSockets, Attribution Reporting, Background Fetch, Client Hints Infrastructure, Document Policy, Fenced Frame, Prefetch, Private Network Access, Shared Storage API, Private State Token API, Protected Audience, Loading Signed Exchanges, Beacon, Content Security Policy: Embedded Enforcement, Content Security Policy 3, Federated Credential Management API, Fetch Metadata, Network Error Logging, Service Workers, Upgrade Insecure Requests, XMLHttpRequest

header list (concept for response ) §

Defined in Fetch

Referenced in HTML, Topics API, WebDriver BiDi, Attribution Reporting, Background Fetch, Scripting Policy, Document Policy, Fenced Frame, Prerendering Revamped, Speculation Rules, Private Network Access, Shared Storage API, Private State Token API, Protected Audience, Loading Signed Exchanges, Clear Site Data, Content Security Policy: Embedded Enforcement, Content Security Policy 3, Federated Credential Management API, Network Error Logging, Payment Method Manifest, Permissions Policy, Referrer Policy, Reporting API, Service Workers, WebAssembly Web API, XMLHttpRequest

header list (concept for Headers ) §

Defined in Fetch

Referenced in Web Share Target API

header name (concept) §

Defined in Fetch

Referenced in Attribution Reporting, XMLHttpRequest

header value (concept) §

Defined in Fetch

Referenced in WebDriver BiDi, WebSockets, Attribution Reporting, XMLHttpRequest

Related terms: concept normalize

header-integrity (markup attribute for link ) §

Defined in Loading Signed Exchanges

RTCInboundRtpStreamStats.headerBytesReceived (WebIDL dictionary member) §

Defined in WebRTC Statistics

RTCOutboundRtpStreamStats.headerBytesSent (WebIDL dictionary member) §

Defined in WebRTC Statistics

RTCRtpCapabilities.headerExtensions (WebIDL dictionary member) §

Defined in WebRTC 1.0

RTCRtpParameters.headerExtensions (WebIDL dictionary member) §

Defined in WebRTC 1.0

Headers (WebIDL interface) §

Defined in Fetch

Referenced in Background Fetch, Service Workers

Related terms: concept append, concept fill, concept guard, concept header list, new Headers(init), Headers.append(name, value), Headers.delete(name), Headers.get(name), Headers.getSetCookie(), Headers.has(name), Headers.set(name, value)

see also WebIDLPedia

headers (concept for Request ) §

Defined in Fetch

Referenced in Background Fetch

headers (concept for Response ) §

Defined in Fetch

Referenced in Background Fetch

headers (markup attribute for td, th element ) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0

HTMLTableCellElement.headers (WebIDL attribute) §

Defined in HTML

Request.headers (WebIDL attribute) §

Defined in Fetch

RequestInit.headers (WebIDL dictionary member) §

Defined in Fetch

Response.headers (WebIDL attribute) §

Defined in Fetch

ResponseInit.headers (WebIDL dictionary member) §

Defined in Fetch

XMLHttpRequest.HEADERS_RECEIVED (WebIDL constant) §

Defined in XMLHttpRequest

new Headers(init) (WebIDL constructor) §

Defined in Fetch

HeadersInit (WebIDL type alias) §

Defined in Fetch

see also WebIDLPedia

NavigationPreloadState.headerValue (WebIDL dictionary member) §

Defined in Service Workers

GeolocationCoordinates.heading (WebIDL attribute) §

Defined in Geolocation

GeolocationSensor.heading (WebIDL attribute) §

Defined in Geolocation Sensor

GeolocationSensorReading.heading (WebIDL dictionary member) §

Defined in Geolocation Sensor

Heading content (concept) §

Defined in HTML

Referenced in ARIA in HTML, Publication Manifest

"headline" (value for AISummarizerType WebIDL enumeration) §

Defined in Writing Assistance APIs

hebrew (CSS value for <counter-style-name> ) §

Defined in CSS Counter Styles 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Inline Layout 3

height (markup attribute for embed, iframe element, img element, object element, source element, video element ) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0

height (markup attribute for canvas ) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0, WebDriver

height (markup attribute for table ) §

Defined in HTML

height (markup attribute for tbody ) §

Defined in HTML

height (markup attribute for td, th element ) §

Defined in HTML

height (markup attribute for tr ) §

Defined in HTML

height (markup attribute for model ) §

Defined in The <model> element

height (markup attribute for fencedframe ) §

Defined in Fenced Frame

height (concept for size ) §

Defined in Fenced Frame

height (CSS value for anchor-size() ) §

Defined in CSS Anchor Positioning

Referenced in CSS Paged Media 3, CSS Regions 1

height (CSS descriptor for @container ) §

Defined in CSS Conditional 5

height (markup attribute for mask ) §

Defined in CSS Masking 1

Referenced in SVG 2

height (CSS property) §

Defined in CSS Sizing 3 , CSS 2.1 , CSS 2.2

Referenced in CSS Overflow 5, CSS Size Adjustment 1, Quirks Mode, CSS Box Alignment 3, CSS Anchor Positioning, CSS Backgrounds 3, CSS Fragmentation 3, CSS Fragmentation 4, CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Containment 1, CSS Containment 2, CSS Flexbox 1, CSS Grid Layout 1, CSS Images 3, CSS Inline Layout 3, CSS Logical Properties 1, CSS Overflow 3, CSS Paged Media 3, CSS Positioned Layout 3, CSS Regions 1, CSS Scroll Anchoring 1, CSS Sizing 4, CSS Table 3, CSS Transforms 1, CSS Typed OM 1, CSS User Interface 3, CSS User Interface 4, CSS Values 4, CSS View Transitions 1, CSS Writing Modes 3, CSS Writing Modes 4, CSSOM, SVG 2, WebVTT: The Web Video Text Tracks Format

height (concept) §

Defined in CSS Sizing 3

Referenced in CSS Conditional 5, CSS Flexbox 1, CSS Inline Layout 3

height (concept) §

Defined in CSS Writing Modes 3 , CSS Writing Modes 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

height (concept for supported open() feature name ) §

Defined in CSSOM View

height (markup attribute for filter ) §

Defined in Filter Effects 1

height (markup attribute for filter-primitive ) §

Defined in Filter Effects 1

height (markup attribute for mspace ) §

Defined in MathML Core

height (markup attribute for mpadded ) §

Defined in MathML Core

height (CSS descriptor for @media ) §

Defined in Media Queries 4 , Media Queries 5

height (concept) §

Defined in Screen Capture

height (markup attribute for pattern ) §

Defined in SVG 2

AdRender.height (WebIDL dictionary member) §

Defined in Protected Audience

AuctionAdInterestGroupSize.height (WebIDL dictionary member) §

Defined in Protected Audience

CSSPositionTryDescriptors.height (WebIDL attribute) §

Defined in CSS Anchor Positioning

DocumentPictureInPictureOptions.height (WebIDL dictionary member) §

Defined in Document Picture-in-Picture

DOMRect.height (WebIDL attribute) §

Defined in Geometry Interfaces 1

Referenced in CSS View Transitions 1, CSSOM View, WebCodecs

DOMRectInit.height (WebIDL dictionary member) §

Defined in Geometry Interfaces 1

Referenced in WebCodecs

height (WebIDL attribute for DOMRectReadOnly DOMRect ) §

Defined in Geometry Interfaces 1

DOMRectReadOnly.height (WebIDL attribute) §

Defined in Geometry Interfaces 1

Referenced in Largest Contentful Paint, WebCodecs

FontMetrics.height (WebIDL attribute) §

Defined in Font Metrics API 1

GPUExtent3DDict.height (WebIDL dictionary member) §

Defined in WebGPU

GPUTexture.height (WebIDL attribute) §

Defined in WebGPU

HTMLCanvasElement.height (WebIDL attribute) §

Defined in HTML

Referenced in WebDriver BiDi, WebGPU

HTMLEmbedElement.height (WebIDL attribute) §

HTMLIFrameElement.height (WebIDL attribute) §

HTMLObjectElement.height (WebIDL attribute) §

HTMLSourceElement.height (WebIDL attribute) §

HTMLVideoElement.height (WebIDL attribute) §

Defined in HTML

HTMLFencedFrameElement.height (WebIDL attribute) §

Defined in Fenced Frame

HTMLImageElement.height (WebIDL attribute) §

Defined in HTML

HTMLInputElement.height (WebIDL attribute) §

Defined in HTML

HTMLMarqueeElement.height (WebIDL attribute) §

Defined in HTML

HTMLTableCellElement.height (WebIDL attribute) §

Defined in HTML

ImageBitmap.height (WebIDL attribute) §

Defined in HTML

Referenced in MediaStream Image Capture, WebGPU

ImageData.height (WebIDL attribute) §

Defined in HTML

Referenced in WebGPU

MediaTrackCapabilities.height (WebIDL dictionary member) §

Defined in Media Capture and Streams

MediaTrackConstraintSet.height (WebIDL dictionary member) §

Defined in Media Capture and Streams

MediaTrackSettings.height (WebIDL dictionary member) §

Defined in Media Capture and Streams

MediaTrackSupportedConstraints.height (WebIDL dictionary member) §

Defined in Media Capture and Streams

OffscreenCanvas.height (WebIDL attribute) §

Defined in HTML

Referenced in WebGPU

PaintSize.height (WebIDL attribute) §

Defined in CSS Painting API 1

PictureInPictureWindow.height (WebIDL attribute) §

Defined in Picture-in-Picture

PointerEvent.height (WebIDL attribute) §

Defined in Pointer Events

PointerEventInit.height (WebIDL dictionary member) §

Defined in Pointer Events

RTCEncodedVideoFrameMetadata.height (WebIDL dictionary member) §

Defined in WebRTC Encoded Transform

RTCVideoSourceStats.height (WebIDL dictionary member) §

Defined in WebRTC Statistics

Screen.height (WebIDL attribute) §

Defined in CSSOM View

SVGFilterElement.height (WebIDL attribute) §

Defined in Filter Effects 1

SVGFilterPrimitiveStandardAttributes.height (WebIDL attribute) §

Defined in Filter Effects 1

SVGForeignObjectElement.height (WebIDL attribute) §

Defined in SVG 2

SVGImageElement.height (WebIDL attribute) §

Defined in SVG 2

SVGMaskElement.height (WebIDL attribute) §

Defined in CSS Masking 1

SVGPatternElement.height (WebIDL attribute) §

Defined in SVG 2

SVGRectElement.height (WebIDL attribute) §

Defined in SVG 2

SVGSVGElement.height (WebIDL attribute) §

Defined in SVG 2

SVGUseElement.height (WebIDL attribute) §

Defined in SVG 2

VideoConfiguration.height (WebIDL dictionary member) §

Defined in Media Capabilities

VideoEncoderConfig.height (WebIDL dictionary member) §

Defined in WebCodecs

VideoFrameCallbackMetadata.height (WebIDL dictionary member) §

Defined in HTMLVideoElement.requestVideoFrameCallback()

VisualViewport.height (WebIDL attribute) §

Defined in CSSOM View

XRCamera.height (WebIDL attribute) §

Defined in WebXR Raw Camera Access

XRDepthInformation.height (WebIDL attribute) §

Defined in WebXR Depth Sensing

XRMediaQuadLayerInit.height (WebIDL dictionary member) §

Defined in WebXR Layers API 1

XRQuadLayer.height (WebIDL attribute) §

Defined in WebXR Layers API 1

XRQuadLayerInit.height (WebIDL dictionary member) §

Defined in WebXR Layers API 1

XRViewport.height (WebIDL attribute) §

Defined in WebXR Device API

Referenced in WebXR Layers API 1

XRWorldMeshFeature.height (WebIDL dictionary member) §

Defined in WebXR Meshing API 1

Related terms: XRWorldMeshFeature/height.height

height (WebIDL attribute for height dictionary member of XRWorldMeshFeature dictionary ) §

Defined in WebXR Meshing API 1

LockManagerSnapshot.held (WebIDL dictionary member) §

Defined in Web Locks API

help (value for rel attribute of a, rel attribute of area element, rel attribute of form element, rel attribute of link element ) §

Defined in HTML

help (CSS value for cursor ) §

Defined in CSS User Interface 3 , CSS User Interface 4 , CSS 2.2

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

"hevc" (value for HevcBitstreamFormat WebIDL enumeration) §

Defined in H.265

VideoEncoderConfig.hevc (WebIDL dictionary member) §

Defined in H.265

VideoEncoderEncodeOptions.hevc (WebIDL dictionary member) §

Defined in H.265

HevcBitstreamFormat (WebIDL enumeration) §

Defined in H.265

Related terms: value annexb, value hevc

see also WebIDLPedia

HevcEncoderConfig (WebIDL dictionary) §

Defined in H.265

Related terms: HevcEncoderConfig.format

see also WebIDLPedia

hex color (concept) §

Defined in CSS Color 4

hex digit (concept) §

Defined in CSS Syntax 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

<hex-color> (CSS type) §

Defined in CSS Color 4

Referenced in CSS Color 5, CSS Typed OM 1, Federated Credential Management API

hgroup (markup element) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0, ARIA in HTML

Navigator.hid (WebIDL attribute) §

Defined in WebHID API

WorkerNavigator.hid (WebIDL attribute) §

Defined in WebHID API

HID (WebIDL interface) §

Defined in WebHID API

Related terms: HID.onconnect, HID.ondisconnect, HID.getDevices(), HID.requestDevice()

see also WebIDLPedia

HIDCollectionInfo (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDCollectionInfo.children, HIDCollectionInfo.featureReports, HIDCollectionInfo.inputReports, HIDCollectionInfo.outputReports, HIDCollectionInfo.type, HIDCollectionInfo.usage, HIDCollectionInfo.usagePage

see also WebIDLPedia

HIDConnectionEvent (WebIDL interface) §

Defined in WebHID API

Related terms: HIDConnectionEvent.device, WebIDL constructor constructor()

see also WebIDLPedia

HIDConnectionEventInit (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDConnectionEventInit.device

see also WebIDLPedia

hidden (CSS value for visibility ) §

Defined in CSS Display 4 , CSS Display 3 , CSS 2.2

Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Lists 3, CSS Overflow 3, CSS Paged Media 3

"hidden" (value for TextTrackMode WebIDL enumeration) §

Defined in HTML

Referenced in Media Source Extensions™

hidden (value for type attribute of input element ) §

Defined in HTML

hidden (markup attribute for html-global ) §

Defined in HTML

Referenced in EPUB 3.3, ARIA in HTML

Related terms: value hidden

hidden (value for hidden attribute of html-global ) §

Defined in HTML

hidden (concept for popover visibility state ) §

Defined in HTML

Referenced in Fullscreen API

hidden (CSS value for <line-style>, border property, border-bottom-style property, border-left-style property, border-right-style property, border-style property, border-top-style property ) §

Defined in CSS Backgrounds 3

Referenced in CSS Borders and Box Decorations 4, CSS Snapshot 2022, CSS Snapshot 2023

hidden (CSS value for content-visibility ) §

Defined in CSS Containment 2

hidden (CSS value for overflow, overflow-x property, overflow-y property ) §

Defined in CSS Overflow 3 , CSS 2.2

Referenced in CSS Conditional 5, CSS Spatial Navigation 1, CSS Overflow 4, CSS Table 3, WebVTT: The Web Video Text Tracks Format

hidden (CSS value) §

Defined in CSS 2.1

hidden (CSS value for <border-style>, border-bottom-style property, border-left-style property, border-right-style property, border-style property, border-top-style property ) §

Defined in CSS 2.2

hidden (concept for Document ) §

Defined in MiniApp Lifecycle

"hidden" (value for GlobalState WebIDL enumeration) §

Defined in MiniApp Lifecycle

"hidden" (value for PageState WebIDL enumeration) §

Defined in MiniApp Lifecycle

"hidden" (value for XRVisibilityState WebIDL enumeration) §

Defined in WebXR Device API

Hidden (state of markup element for input ) §

Defined in HTML

Document.hidden (WebIDL attribute) §

Defined in HTML

Referenced in Long Animation Frames API, Beacon, WebCodecs

HTMLElement.hidden (WebIDL attribute) §

Defined in HTML

Hidden (concept for element ) §

Defined in WAI-ARIA , WAI-ARIA

MLGruCellSupportLimits.hiddenState (WebIDL dictionary member) §

Defined in Web Neural Network API

MLLstmCellSupportLimits.hiddenState (WebIDL dictionary member) §

Defined in Web Neural Network API

HIDDevice (WebIDL interface) §

Defined in WebHID API

Related terms: HIDDevice.collections, HIDDevice.oninputreport, HIDDevice.opened, HIDDevice.productId, HIDDevice.productName, HIDDevice.vendorId, HIDDevice.close(), HIDDevice.forget(), HIDDevice.open(), HIDDevice.receiveFeatureReport(), HIDDevice.sendFeatureReport(), HIDDevice.sendReport()

see also WebIDLPedia

HIDDeviceFilter (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDDeviceFilter.productId, HIDDeviceFilter.usage, HIDDeviceFilter.usagePage, HIDDeviceFilter.vendorId

see also WebIDLPedia

HIDDeviceRequestOptions (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDDeviceRequestOptions.exclusionFilters, HIDDeviceRequestOptions.filters

see also WebIDLPedia

"hide" (value for FullscreenNavigationUI WebIDL enumeration) §

Defined in Fullscreen API

hide (value for popovertargetaction attribute of html-global ) §

Defined in HTML

hide (CSS value for empty-cells ) §

Defined in CSS 2.2

hide all popovers until (concept) §

Defined in HTML

Referenced in Fullscreen API

hide from all users (concept for element ) §

Defined in WAI-ARIA , WAI-ARIA

VirtualKeyboard.hide() (WebIDL operation) §

Defined in VirtualKeyboard API

HTMLElement.hidePopover() (WebIDL operation) §

Defined in HTML

HIDInputReportEvent (WebIDL interface) §

Defined in WebHID API

Related terms: HIDInputReportEvent.data, HIDInputReportEvent.device, HIDInputReportEvent.reportId, WebIDL constructor constructor()

see also WebIDLPedia

HIDInputReportEventInit (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDInputReportEventInit.data, HIDInputReportEventInit.device, HIDInputReportEventInit.reportId

see also WebIDLPedia

HIDReportInfo (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDReportInfo.items, HIDReportInfo.reportId

see also WebIDLPedia

HIDReportItem (WebIDL dictionary) §

Defined in WebHID API

Related terms: HIDReportItem.hasNull, HIDReportItem.hasPreferredState, HIDReportItem.isAbsolute, HIDReportItem.isArray, HIDReportItem.isBufferedBytes, HIDReportItem.isConstant, HIDReportItem.isLinear, HIDReportItem.isRange, HIDReportItem.isVolatile, HIDReportItem.logicalMaximum, HIDReportItem.logicalMinimum, HIDReportItem.physicalMaximum, HIDReportItem.physicalMinimum, HIDReportItem.reportCount, HIDReportItem.reportSize, HIDReportItem.strings, HIDReportItem.unitExponent, HIDReportItem.unitFactorCurrentExponent, HIDReportItem.unitFactorLengthExponent, HIDReportItem.unitFactorLuminousIntensityExponent, HIDReportItem.unitFactorMassExponent, HIDReportItem.unitFactorTemperatureExponent, HIDReportItem.unitFactorTimeExponent, HIDReportItem.unitSystem, HIDReportItem.usageMaximum, HIDReportItem.usageMinimum, HIDReportItem.usages, HIDReportItem.wrap

see also WebIDLPedia

HIDUnitSystem (WebIDL enumeration) §

Defined in WebHID API

Related terms: value english-linear, value english-rotation, value none, value reserved, value si-linear, value si-rotation, value vendor-defined

see also WebIDLPedia

DOMException.HIERARCHY_REQUEST_ERR (WebIDL constant) §

Defined in Web IDL

HierarchyRequestError (exception) §

Defined in Web IDL

Referenced in DOM, HTML, CSSOM

high (CSS value for dynamic-range-limit ) §

Defined in CSS Color HDR 1

"high" (value for RequestPriority WebIDL enumeration) §

Defined in Fetch

high (value for fetchpriority attribute of img element, fetchpriority attribute of link element, fetchpriority attribute of script ) §

Defined in HTML

high (markup attribute for meter ) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0, WAI-ARIA, WAI-ARIA

"high" (value for ImageSmoothingQuality WebIDL enumeration) §

Defined in HTML

"high" (value for ResizeQuality WebIDL enumeration) §

Defined in HTML

"high" (value for XRMeshQuality WebIDL enumeration) §

Defined in WebXR Meshing API 1

high (CSS value for voice-pitch ) §

Defined in CSS Speech 1

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

high (CSS value for voice-range ) §

Defined in CSS Speech 1

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

high (CSS value for dynamic-range descriptor of @media @rule ) §

Defined in Media Queries 5

"high" (value for RTCPriorityType WebIDL enumeration) §

Defined in WebRTC Priority Control API

HTMLMeterElement.high (WebIDL attribute) §

Defined in HTML

High Dynamic Range (concept) §

Defined in CSS Color HDR 1

high water mark (concept) §

Defined in Streams

Referenced in WebTransport

high_bitdepth (concept) §

Defined in AV1 Codec ISO Media File Format Binding

high-entropy client hint (concept) §

Defined in Client Hints Infrastructure

Referenced in User Preference Media Features Client Hints Headers

"high-performance" (value for GPUPowerPreference WebIDL enumeration) §

Defined in WebGPU

"high-performance" (value for MLPowerPreference WebIDL enumeration) §

Defined in Web Neural Network API

high-quality (CSS value for image-rendering ) §

Defined in CSS Images 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

high-surrogate code unit (concept for ECMAScript ) §

Defined in ECMAScript

ReportingBrowserSignals.highestScoringOtherBid (WebIDL dictionary member) §

Defined in Protected Audience

ReportingBrowserSignals.highestScoringOtherBidCurrency (WebIDL dictionary member) §

Defined in Protected Audience

Highlight (concept) §

Defined in CSS Color 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

Highlight (WebIDL interface) §

Defined in CSS Custom Highlight API 1

Related terms: Highlight.priority, Highlight.type, new Highlight(...initialRanges)

see also WebIDLPedia

"highlight" (value for HighlightType WebIDL enumeration) §

Defined in CSS Custom Highlight API 1

Highlight (CSS value for <color>, <system-color> type ) §

Defined in CSS Color 4

Referenced in CSS Pseudo-Elements 4

highlight pseudo-element (concept) §

Defined in CSS Pseudo-Elements 4

Referenced in CSS Custom Highlight API 1

new Highlight(...initialRanges) (WebIDL constructor) §

Defined in CSS Custom Highlight API 1

::highlight(<custom-ident>) (CSS selector) §

Defined in CSS Pseudo-Elements 4

HighlightRegistry (WebIDL interface) §

Defined in CSS Custom Highlight API 1

see also WebIDLPedia

highlights (WebIDL attribute for CSS ) §

Defined in CSS Custom Highlight API 1

HighlightText (concept) §

Defined in CSS Color 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

HighlightText (CSS value for <color>, <system-color> type ) §

Defined in CSS Color 4

Referenced in CSS Pseudo-Elements 4

HighlightType (WebIDL enumeration) §

Defined in CSS Custom Highlight API 1

Related terms: value grammar-error, value highlight, value spelling-error

see also WebIDLPedia

"highpass" (value for BiquadFilterType WebIDL enumeration) §

Defined in Web Audio API , Web Audio API 1.1

"highshelf" (value for BiquadFilterType WebIDL enumeration) §

Defined in Web Audio API , Web Audio API 1.1

highWaterMark (concept for set up of ReadableStream interface ) §

Defined in Streams

Referenced in Direct Sockets API, MediaStreamTrack Insertable Media Processing using Streams, Service Workers, WebTransport

highWaterMark (concept for set up with byte reading support of ReadableStream interface ) §

Defined in Streams

Referenced in Direct Sockets API, Web Serial API

highWaterMark (concept for set up of WritableStream interface ) §

Defined in Streams

Referenced in File System, Direct Sockets API, Web Serial API, WebRTC Encoded Transform

ByteLengthQueuingStrategy.highWaterMark (WebIDL attribute) §

Defined in Streams

CountQueuingStrategy.highWaterMark (WebIDL attribute) §

Defined in Streams

QueuingStrategy.highWaterMark (WebIDL dictionary member) §

Defined in Streams

QueuingStrategyInit.highWaterMark (WebIDL dictionary member) §

Defined in Streams

HandwritingRecognizerQueryResult.hints (WebIDL dictionary member) §

Defined in Handwriting Recognition API

PublicKeyCredentialCreationOptions.hints (WebIDL dictionary member) §

Defined in Web Authentication

PublicKeyCredentialCreationOptionsJSON.hints (WebIDL dictionary member) §

Defined in Web Authentication

PublicKeyCredentialRequestOptions.hints (WebIDL dictionary member) §

Defined in Web Authentication

PublicKeyCredentialRequestOptionsJSON.hints (WebIDL dictionary member) §

Defined in Web Authentication

hiragana (CSS value for <counter-style-name> ) §

Defined in CSS Counter Styles 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

hiragana-iroha (CSS value for <counter-style-name> ) §

Defined in CSS Counter Styles 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

@historical-forms (CSS @rule for @font-feature-values ) §

Defined in CSS Fonts 4

Referenced in CSS Snapshot 2023

historical-forms (CSS value for font-variant-alternates ) §

Defined in CSS Fonts 4

Referenced in CSS Snapshot 2023

<historical-lig-values> (CSS type) §

Defined in CSS Fonts 4

historical-ligatures (CSS value for font-variant-ligatures ) §

Defined in CSS Fonts 4

Referenced in CSS Snapshot 2023

CSSFontFeatureValuesRule.historicalForms (WebIDL attribute) §

Defined in CSS Fonts 4

History (WebIDL interface) §

Defined in HTML

Referenced in Fenced Frame, Manifest Incubations

Related terms: History.length, History.scrollRestoration, History.state, History.back(), History.forward(), History.go(delta), History.pushState(data, unused, url), History.replaceState(data, unused, url)

see also WebIDLPedia

NavigationNavigateOptions.history (WebIDL dictionary member) §

Defined in HTML

Window.history (WebIDL attribute) §

Defined in HTML

history-action activation-consuming API (concept) §

Defined in HTML

history-navigation flag (concept for request ) §

Defined in Fetch

Referenced in HTML, Prefetch

historyHandling (concept for navigate ) §

Defined in HTML

Referenced in Fenced Frame, Service Workers

hit-testing (concept) §

Defined in SVG 2

HkdfParams (WebIDL dictionary) §

Defined in Web Cryptography API

Related terms: HkdfParams.hash, HkdfParams.info, HkdfParams.salt

see also WebIDLPedia

"hlg" (value for TransferFunction WebIDL enumeration) §

Defined in Media Capabilities

"hlg" (value for VideoTransferCharacteristics WebIDL enumeration) §

Defined in WebCodecs

hline (CSS value for shape() ) §

Defined in CSS Shapes 2

AuthenticationExtensionsClientInputs.hmacCreateSecret (WebIDL dictionary member) §

Defined in CTAP

AuthenticationExtensionsClientOutputs.hmacCreateSecret (WebIDL dictionary member) §

Defined in CTAP

AuthenticationExtensionsClientInputs.hmacGetSecret (WebIDL dictionary member) §

Defined in CTAP

AuthenticationExtensionsClientOutputs.hmacGetSecret (WebIDL dictionary member) §

Defined in CTAP

HMACGetSecretInput (WebIDL dictionary) §

Defined in CTAP

Related terms: HMACGetSecretInput.salt1, HMACGetSecretInput.salt2

see also WebIDLPedia

HMACGetSecretOutput (WebIDL dictionary) §

Defined in CTAP

Related terms: HMACGetSecretOutput.output1, HMACGetSecretOutput.output2

see also WebIDLPedia

HmacImportParams (WebIDL dictionary) §

Defined in Web Cryptography API

Related terms: HmacImportParams.hash, HmacImportParams.length

see also WebIDLPedia

HmacKeyAlgorithm (WebIDL dictionary) §

Defined in Web Cryptography API

Related terms: HmacKeyAlgorithm.hash, HmacKeyAlgorithm.length

see also WebIDLPedia

HmacKeyGenParams (WebIDL dictionary) §

Defined in Web Cryptography API

Related terms: HmacKeyGenParams.hash, HmacKeyGenParams.length

see also WebIDLPedia

hold time (concept for animation ) §

Defined in Web Animations

Referenced in Web Animations 2

holders (concept) §

Defined in Verifiable Credentials Data Model v2.0: A role an entity might perform by possessing one or more verifiable credentials and generating verifiable presentations from them. A holder is often, but not always, a subject of the verifiable credentials they are holding. Holders store their credentials in credential repositories.

home (value for autocomplete attribute of button element, autocomplete attribute of fieldset element, autocomplete attribute of input element, autocomplete attribute of object element, autocomplete attribute of output element, autocomplete attribute of select element, autocomplete attribute of textarea element ) §

Defined in HTML

"homepage" (value for ContentCategory WebIDL enumeration) §

Defined in Content Index

honeydew (concept) §

Defined in CSS Color 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

honeydew (CSS value for <color>, <named-color> type ) §

Defined in CSS Color 4

honorific-prefix (value for autocomplete attribute of button element, autocomplete attribute of fieldset element, autocomplete attribute of input element, autocomplete attribute of object element, autocomplete attribute of output element, autocomplete attribute of select element, autocomplete attribute of textarea element ) §

Defined in HTML

honorific-suffix (value for autocomplete attribute of button element, autocomplete attribute of fieldset element, autocomplete attribute of input element, autocomplete attribute of object element, autocomplete attribute of output element, autocomplete attribute of select element, autocomplete attribute of textarea element ) §

Defined in HTML

"horizontal" (value for XRPlaneOrientation WebIDL enumeration) §

Defined in WebXR Plane Detection

horizontal dimension (concept) §

Defined in CSS Writing Modes 3 , CSS Writing Modes 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

horizontal offset (CSS value for box-shadow-offset ) §

Defined in CSS Borders and Box Decorations 4

horizontal offset (concept for box-shadow ) §

Defined in CSS Backgrounds 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

horizontal typographic mode (concept) §

Defined in CSS Writing Modes 3 , CSS Writing Modes 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

horizontal writing mode (concept) §

Defined in CSS Writing Modes 3 , CSS Writing Modes 4

Referenced in Quirks Mode, CSS Snapshot 2022, CSS Snapshot 2023, CSS Inline Layout 3, CSS Positioned Layout 3, CSS Ruby Annotation Layout 1

horizontal-tb (CSS value for writing-mode ) §

Defined in CSS Writing Modes 3 , CSS Writing Modes 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Flexbox 1, CSS Logical Properties 1, WebVTT: The Web Video Text Tracks Format

horizontal-viewport-segments (CSS descriptor for @media ) §

Defined in Media Queries 5

:host (CSS selector) §

Defined in CSS Scoping 1

Referenced in CSS Properties and Values API 1, CSS Pseudo-Elements 4, Selectors 4

host (concept for DocumentFragment ) §

Defined in DOM

Referenced in Fullscreen API, HTML, URL Fragment Text Directives, WebOTP API, CSS Scoping 1, CSSOM View, EditContext API, Picture-in-Picture, SVG Accessibility API Mappings, SVG 2

host (concept for origin ) §

Defined in HTML

Referenced in Fetch, Private Aggregation API, Topics API, Network Reporting API, Attribution Reporting, User Agent Interaction with Related Website Sets, Private Network Access, Protected Audience, Loading Signed Exchanges, Clear Site Data, Secure Contexts, Web Authentication

host (concept for ECMAScript ) §

Defined in ECMAScript

Referenced in ECMAScript Internationalization API, ECMAScript Async Explicit Resource Management, ECMAScript Explicit Resource Management, Import Attributes, JSON modules, ShadowRealm API, Source Phase Imports, Temporal

host (concept) §

Defined in URL

Referenced in Fetch, HTML, Infra, Navigational-Tracking Mitigations, Content Security Policy 3, Selection API, WebDriver

Related terms: concept equal, concept public suffix, concept registrable domain

host (concept for url ) §

Defined in URL

Referenced in No-Vary-Search, Fetch, HTML, Private Aggregation API, Topics API, URL Pattern, A Well-Known URL for Passkey Endpoints, WebDriver BiDi, WebSockets, Attribution Reporting, Cookie Store API, Protected Audience, A Well-Known URL for Changing Passwords, Clear Site Data, Federated Credential Management API, Mixed Content, Referrer Policy, Upgrade Insecure Requests, Web Authentication, XMLHttpRequest

"host" (value for RTCIceCandidateType WebIDL enumeration) §

Defined in WebRTC 1.0

HTMLHyperlinkElementUtils.host (WebIDL attribute) §

Defined in HTML

Location.host (WebIDL attribute) §

Defined in HTML

ShadowRoot.host (WebIDL attribute) §

Defined in DOM

host (WebIDL attribute for URL ) §

Defined in URL

Referenced in Private Network Access, Content Security Policy 3

WorkerLocation.host (WebIDL attribute) §

Defined in HTML

host environment (concept for ECMAScript ) §

Defined in ECMAScript

Referenced in ECMAScript Internationalization API, Time Zone Canonicalization, Import Attributes, JSON modules, ShadowRealm API, Source Phase Imports, Temporal

host hook (concept for ECMAScript ) §

Defined in ECMAScript

host parser (concept) §

Defined in URL

Referenced in HTML

host state (concept for basic URL parser ) §

Defined in URL

Referenced in HTML

host syntax (concept) §

Defined in CSS Color 4

host-char (grammar) §

Defined in Content Security Policy 3

:host-context() (CSS selector) §

Defined in CSS Scoping 1

Referenced in CSS Pseudo-Elements 4, Selectors 4

host-defined (concept for ECMAScript ) §

Defined in ECMAScript

Referenced in Import Attributes, JSON modules, ShadowRealm API, Source Phase Imports, Temporal

host-including inclusive ancestor (concept) §

Defined in DOM

host-part (grammar) §

Defined in Content Security Policy 3

Referenced in Content Security Policy: Embedded Enforcement

host-part match (concept) §

Defined in Content Security Policy 3

Referenced in Content Security Policy: Embedded Enforcement

host-source (grammar) §

Defined in Content Security Policy 3

Referenced in Fenced Frame, Content Security Policy: Embedded Enforcement, Permissions Policy

host-synchronizes-with (concept for ECMAScript ) §

Defined in ECMAScript

:host() (CSS selector) §

Defined in CSS Scoping 1

Referenced in CSS Pseudo-Elements 4

HostCallJobCallback (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

HostEnqueueFinalizationRegistryCleanupJob (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

HostEnqueueGenericJob (algorithm) §

Defined in ECMAScript

Referenced in HTML

HostEnqueuePromiseJob (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

HostEnqueueTimeoutJob (algorithm) §

Defined in ECMAScript

Referenced in HTML

HostEnsureCanAddPrivateElement (algorithm) §

Defined in ECMAScript

Referenced in HTML

HostEnsureCanCompileStrings (algorithm) §

Defined in ECMAScript

Referenced in ShadowRealm API, Source Phase Imports

HostEnsureCanCompileWasmBytes() (algorithm) §

Defined in WebAssembly JavaScript Interface: Content Security Policy

HostEventSet (algorithm) §

Defined in ECMAScript

HostFinalizeImportMeta (algorithm) §

Defined in ECMAScript

Referenced in Source Phase Imports

HostGetImportMetaProperties (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

HostGrowSharedArrayBuffer (algorithm) §

Defined in ECMAScript

HostHasSourceTextAvailable (algorithm) §

Defined in ECMAScript

Referenced in Source Phase Imports

HostLoadImportedModule (algorithm) §

Defined in ECMAScript

Referenced in ShadowRealm API

HostMakeJobCallback (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

hostname (concept for state of constructor string parser ) §

Defined in URL Pattern

HTMLHyperlinkElementUtils.hostname (WebIDL attribute) §

Defined in HTML

Location.hostname (WebIDL attribute) §

Defined in HTML

hostname (WebIDL attribute for URL ) §

Defined in URL

URLPattern.hostname (WebIDL attribute) §

Defined in URL Pattern

URLPatternInit.hostname (WebIDL dictionary member) §

Defined in URL Pattern

URLPatternResult.hostname (WebIDL dictionary member) §

Defined in URL Pattern

WorkerLocation.hostname (WebIDL attribute) §

Defined in HTML

hostname IPv6 bracket depth (concept for constructor string parser ) §

Defined in URL Pattern

hostname state (concept for basic URL parser ) §

Defined in URL

Referenced in HTML, URL Pattern

HostPromiseRejectionTracker (algorithm) §

Defined in ECMAScript

Referenced in HTML, Source Phase Imports

HostResizeArrayBuffer (algorithm) §

Defined in ECMAScript

hotpink (concept) §

Defined in CSS Color 3

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

hotpink (CSS value for <color>, <named-color> type ) §

Defined in CSS Color 4

HourFromTime (algorithm) §

Defined in ECMAScript

Referenced in ECMAScript Internationalization API, Temporal

:hover (CSS selector) §

Defined in CSS 2.2 , Selectors 3 , Selectors 4

Referenced in CSS Linked Parameters, Quirks Mode, CSS Snapshot 2022, CSS Snapshot 2023, CSS Shadow Parts

hover (CSS descriptor for @media ) §

Defined in Media Queries 4 , Media Queries 5

Related terms: CSS value hover, CSS value none

hover (CSS value for hover descriptor of @media @rule ) §

Defined in Media Queries 4 , Media Queries 5

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

hr (markup element) §

Defined in HTML

Referenced in execCommand, HTML Accessibility API Mappings 1.0, ARIA in HTML, WAI-ARIA, WAI-ARIA

Related terms: markup attribute align, markup attribute color, markup attribute noshade, markup attribute size, markup attribute width

href (markup attribute for base ) §

Defined in HTML

Referenced in Content Security Policy 3

href (markup attribute for link ) §

Defined in HTML

Referenced in Loading Signed Exchanges, Web Application Manifest, HTML Accessibility API Mappings 1.0

href (markup attribute for a, area element ) §

Defined in HTML , SVG 2

Referenced in Speculation Rules, EPUB 3.3, HTML Accessibility API Mappings 1.0, ARIA in HTML, Selectors 4

href (markup attribute for animate ) §

Defined in SVG Animations 2

Referenced in SVG Animations 2, SVG 2

href (markup attribute for mpath ) §

Defined in SVG Animations 2

Referenced in SVG 2

href (markup attribute for feImage ) §

Defined in Filter Effects 1

href (markup attribute for use ) §

Defined in SVG 2

href (markup attribute for textPath ) §

Defined in SVG 2

href (markup attribute for image ) §

Defined in SVG 2

href (markup attribute for linearGradient ) §

Defined in SVG 2

href (markup attribute for radialGradient ) §

Defined in SVG 2

href (markup attribute for pattern ) §

Defined in SVG 2

href (markup attribute for script ) §

Defined in SVG 2

CSSImportRule.href (WebIDL attribute) §

Defined in CSSOM

HTMLBaseElement.href (WebIDL attribute) §

Defined in HTML

HTMLHyperlinkElementUtils.href (WebIDL attribute) §

Defined in HTML

Referenced in Speculation Rules

HTMLLinkElement.href (WebIDL attribute) §

Defined in HTML

Location.href (WebIDL attribute) §

Defined in HTML

StyleSheet.href (WebIDL attribute) §

Defined in CSSOM

SVGURIReference.href (WebIDL attribute) §

Defined in SVG 2

href (WebIDL attribute for URL ) §

Defined in URL

WorkerLocation.href (WebIDL attribute) §

Defined in HTML

hreflang (markup attribute for link ) §

Defined in HTML

Referenced in HTML Accessibility API Mappings 1.0

hreflang (markup attribute for a, area element ) §

Defined in HTML , SVG 2

Referenced in HTML Accessibility API Mappings 1.0, SVG 2

hreflang (markup attribute for area ) §

Defined in HTML

HTMLAnchorElement.hreflang (WebIDL attribute) §

Defined in HTML

HTMLLinkElement.hreflang (WebIDL attribute) §

Defined in HTML

SVGAElement.hreflang (WebIDL attribute) §

Defined in SVG 2

"HRTF" (value for PanningModelType WebIDL enumeration) §

Defined in Web Audio API , Web Audio API 1.1

HSL (CSS value for hsl() ) §

Defined in CSS Color 4

Referenced in CSS Color 5

hsl() (CSS function) §

Defined in CSS Color 4

Referenced in CSS Color 5, CSS Typed OM 1, CSS Values 3, CSS Values 4, Federated Credential Management API

Related terms: CSS value alpha, CSS value h, CSS value HSL, CSS value l, CSS value s

hsla() (CSS function) §

Defined in CSS Color 4

Referenced in CSS Color 5, CSS Typed OM 1

hspace (markup attribute for embed ) §

Defined in HTML

hspace (markup attribute for iframe ) §

Defined in HTML

hspace (markup attribute for input ) §

Defined in HTML

hspace (markup attribute for img ) §

Defined in HTML

hspace (markup attribute for object ) §

Defined in HTML

HTMLImageElement.hspace (WebIDL attribute) §

Defined in HTML

HTMLMarqueeElement.hspace (WebIDL attribute) §

Defined in HTML

HTMLObjectElement.hspace (WebIDL attribute) §

Defined in HTML

HSTS-safe origin (concept) §

Defined in Upgrade Insecure Requests

html (markup element) §

Defined in HTML

Referenced in DOM, CSS Display 4, Quirks Mode, Manifest Incubations, CSS Containment 1, CSS Containment 2, CSS Display 3, CSS Overflow 3, EPUB 3.3, HTML Accessibility API Mappings 1.0, ARIA in HTML, Selectors 4

Related terms: markup attribute manifest, markup attribute version

HTML document (concept) §

Defined in DOM

Referenced in HTML, Document Policy, XMLHttpRequest

HTML elements (concept) §

Defined in HTML

Referenced in CSS Animations 1, CSS Scroll Snap 2, CSS Transitions, CSSOM, CSSOM View, HTML Accessibility API Mappings 1.0, ARIA in HTML, Selection API, WebVTT: The Web Video Text Tracks Format

HTML fragment serialization algorithm (concept) §

Defined in HTML

HTML MIME type (concept) §

Defined in MIME Sniffing

Referenced in HTML, XMLHttpRequest

HTML namespace (concept) §

Defined in Infra

Referenced in DOM, Fullscreen API, HTML, Fenced Frame, Portals, HTML Sanitizer API, URL Fragment Text Directives, EPUB 3.3, Trusted Types, WebVTT: The Web Video Text Tracks Format

HTML parser (concept) §

Defined in HTML

Referenced in DOM

HTML-compatible serialization is requested (concept for color serialization ) §

Defined in CSS Color 4

HTMLAllCollection (WebIDL interface) §

Defined in HTML

Referenced in Web IDL, WebDriver

Related terms: HTMLAllCollection.length, HTMLAllCollection.item(nameOrIndex), HTMLAllCollection.namedItem(name)

see also WebIDLPedia

HTMLAnchorElement (WebIDL interface) §

Defined in HTML

Referenced in DOM, Private Click Measurement, Attribution Reporting

Related terms: HTMLAnchorElement.attributionDestination, HTMLAnchorElement.attributionSourceId, HTMLAnchorElement.charset, HTMLAnchorElement.coords, HTMLAnchorElement.download, HTMLAnchorElement.hreflang, HTMLAnchorElement.name, HTMLAnchorElement.ping, HTMLAnchorElement.referrerPolicy, HTMLAnchorElement.rel, HTMLAnchorElement.relList, HTMLAnchorElement.rev, HTMLAnchorElement.shape, HTMLAnchorElement.target, HTMLAnchorElement.text, HTMLAnchorElement.type

see also WebIDLPedia

HTMLAreaElement (WebIDL interface) §

Defined in HTML

Referenced in Attribution Reporting

Related terms: HTMLAreaElement.alt, HTMLAreaElement.coords, HTMLAreaElement.download, HTMLAreaElement.noHref, HTMLAreaElement.ping, HTMLAreaElement.referrerPolicy, HTMLAreaElement.rel, HTMLAreaElement.relList, HTMLAreaElement.shape, HTMLAreaElement.target

see also WebIDLPedia

HTMLAttributionSrcElementUtils (WebIDL interface) §

Defined in Attribution Reporting

Related terms: HTMLAttributionSrcElementUtils.attributionSrc

see also WebIDLPedia

HTMLAudioElement (WebIDL interface) §

Defined in HTML

Referenced in URL Fragment Text Directives, Autoplay Policy Detection, Media Capture and Streams

see also WebIDLPedia

HTMLBaseElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLBaseElement.href, HTMLBaseElement.target

see also WebIDLPedia

HTMLBodyElement (WebIDL interface) §

Defined in HTML

Referenced in Compatibility

Related terms: HTMLBodyElement.aLink, HTMLBodyElement.background, HTMLBodyElement.bgColor, HTMLBodyElement.link, HTMLBodyElement.onorientationchange, HTMLBodyElement.text, HTMLBodyElement.vLink

see also WebIDLPedia

HTMLBRElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLBRElement.clear

see also WebIDLPedia

HTMLButtonElement (WebIDL interface) §

Defined in HTML

Referenced in Contact Picker API

Related terms: undefineddisabled, undefinedform, undefinedformAction, undefinedformEnctype, undefinedformMethod, undefinedformNoValidate, undefinedformTarget, undefinedlabels, undefinedname, HTMLButtonElement.type, undefinedvalidationMessage, undefinedvalidity, HTMLButtonElement.value, undefinedwillValidate, undefinedcheckValidity(), undefinedreportValidity(), undefinedsetCustomValidity(error)

see also WebIDLPedia

HTMLCanvasElement (WebIDL interface) §

Defined in HTML

Referenced in WebDriver BiDi, Accelerated Shape Detection in Images, Media Capture from DOM Elements, WebCodecs, WebGPU, WebXR Device API

Related terms: HTMLCanvasElement.height, HTMLCanvasElement.width, HTMLCanvasElement.captureStream(), HTMLCanvasElement.getContext(contextId, options), HTMLCanvasElement.toBlob(callback, type, quality), HTMLCanvasElement.toDataURL(type, quality), HTMLCanvasElement.transferControlToOffscreen()

see also WebIDLPedia

HTMLCollection (WebIDL interface) §

Defined in DOM

Referenced in WebDriver BiDi, WebDriver

Related terms: HTMLCollection.length, HTMLCollection.item(index), HTMLCollection.namedItem(key), HTMLCollection.namedItem(name)

see also WebIDLPedia

HTMLConstructor (WebIDL extended attribute) §

Defined in HTML

Referenced in Fenced Frame, Portals

HTMLDataElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDataElement.value

see also WebIDLPedia

HTMLDataListElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDataListElement.options

see also WebIDLPedia

HTMLDetailsElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDetailsElement.name, HTMLDetailsElement.open

see also WebIDLPedia

HTMLDialogElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDialogElement.open, HTMLDialogElement.returnValue, HTMLDialogElement.close(returnValue), HTMLDialogElement.show(), HTMLDialogElement.showModal()

see also WebIDLPedia

HTMLDirectoryElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDirectoryElement.compact

see also WebIDLPedia

HTMLDivElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDivElement.align

see also WebIDLPedia

HTMLDListElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLDListElement.compact

see also WebIDLPedia

HTMLElement (WebIDL interface) §

Defined in HTML

Referenced in DOM, The <model> element, WebDriver BiDi, Fenced Frame, Measure Memory API, Portals, CSS Typed OM 1, CSSOM, CSSOM View, EditContext API, HTML Ruby Markup Extensions, XMLHttpRequest

Related terms: HTMLElement.accessKey, HTMLElement.accessKeyLabel, HTMLElement.autocapitalize, HTMLElement.autocorrect, HTMLElement.dir, HTMLElement.draggable, HTMLElement.editContext, HTMLElement.hidden, HTMLElement.innerText, HTMLElement.lang, HTMLElement.offsetHeight, HTMLElement.offsetLeft, HTMLElement.offsetParent, HTMLElement.offsetTop, HTMLElement.offsetWidth, undefinedonabort, undefinedonauxclick, undefinedonbeforeinput, undefinedonbeforematch, undefinedonbeforetoggle, undefinedoncancel, undefinedoncanplay, undefinedoncanplaythrough, undefinedonchange, undefinedonclick, undefinedonclose, undefinedoncontextlost, undefinedoncontextmenu, undefinedoncontextrestored, undefinedoncopy, undefinedoncuechange, undefinedoncut, undefinedondblclick, undefinedondrag, undefinedondragend, undefinedondragenter, undefinedondragleave, undefinedondragover, undefinedondragstart, undefinedondrop, undefinedondurationchange, undefinedonemptied, undefinedonended, undefinedonformdata, undefinedoninput, undefinedoninvalid, undefinedonkeydown, undefinedonkeypress, undefinedonkeyup, undefinedonloadeddata, undefinedonloadedmetadata, undefinedonloadstart, undefinedonmousedown, undefinedonmouseenter, undefinedonmouseleave, undefinedonmousemove, undefinedonmouseout, undefinedonmouseover, undefinedonmouseup, undefinedonpaste, undefinedonpause, undefinedonplay, undefinedonplaying, undefinedonprogress, undefinedonratechange, undefinedonreset, undefinedonscrollend, undefinedonsecuritypolicyviolation, undefinedonseeked, undefinedonseeking, undefinedonselect, undefinedonslotchange, undefinedonstalled, undefinedonsubmit, undefinedonsuspend, undefinedontimeupdate, undefinedontoggle, undefinedonvolumechange, undefinedonwaiting, undefinedonwebkitanimationend, undefinedonwebkitanimationiteration, undefinedonwebkitanimationstart, undefinedonwebkittransitionend, undefinedonwheel, HTMLElement.outerText, HTMLElement.popover, HTMLElement.popoverTargetAction, HTMLElement.popoverTargetElement, HTMLElement.spellcheck, HTMLElement.title, HTMLElement.translate, HTMLElement.writingSuggestions, event beforematch, event beforetoggle, event blur, event cancel, event change, event close, event contextlost, event contextrestored, event error, event focus, event formdata, event invalid, event load, event reset, event select, event submit, event toggle, HTMLElement.attachInternals(), HTMLElement.click(), HTMLElement.hidePopover(), HTMLElement.showPopover(options), HTMLElement.togglePopover(options)

see also WebIDLPedia

HTMLEmbedElement (WebIDL interface) §

Defined in HTML

Referenced in SVG 2

Related terms: HTMLEmbedElement.align, undefinedheight, HTMLEmbedElement.name, HTMLEmbedElement.src, HTMLEmbedElement.type, undefinedwidth, undefinedgetSVGDocument()

see also WebIDLPedia

HTMLFencedFrameElement (WebIDL interface) §

Defined in Fenced Frame

Related terms: HTMLFencedFrameElement.allow, HTMLFencedFrameElement.config, HTMLFencedFrameElement.height, HTMLFencedFrameElement.sandbox, HTMLFencedFrameElement.width, new HTMLFencedFrameElement()

see also WebIDLPedia

new HTMLFencedFrameElement() (WebIDL constructor) §

Defined in Fenced Frame

HTMLFieldSetElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLFieldSetElement.disabled, HTMLFieldSetElement.elements, undefinedform, undefinedname, HTMLFieldSetElement.type, undefinedvalidationMessage, undefinedvalidity, undefinedwillValidate, undefinedcheckValidity(), undefinedreportValidity(), undefinedsetCustomValidity(error)

see also WebIDLPedia

HTMLFontElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLFontElement.color, HTMLFontElement.face, HTMLFontElement.size

see also WebIDLPedia

HTMLLabelElement.htmlFor (WebIDL attribute) §

Defined in HTML

HTMLOutputElement.htmlFor (WebIDL attribute) §

Defined in HTML

HTMLScriptElement.htmlFor (WebIDL attribute) §

Defined in HTML

HTMLFormControlsCollection (WebIDL interface) §

Defined in HTML

Referenced in WebDriver

Related terms: HTMLFormControlsCollection.namedItem(name)

see also WebIDLPedia

HTMLFormElement (WebIDL interface) §

Defined in HTML

Referenced in Credential Management 1, XMLHttpRequest

Related terms: HTMLFormElement.acceptCharset, HTMLFormElement.action, HTMLFormElement.autocomplete, HTMLFormElement.elements, HTMLFormElement.encoding, HTMLFormElement.enctype, HTMLFormElement.length, HTMLFormElement.method, HTMLFormElement.name, HTMLFormElement.noValidate, HTMLFormElement.rel, HTMLFormElement.relList, HTMLFormElement.target, HTMLFormElement.checkValidity(), HTMLFormElement.reportValidity(), HTMLFormElement.requestSubmit(submitter), HTMLFormElement.reset(), HTMLFormElement.submit()

see also WebIDLPedia

HTMLFrameElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLFrameElement.contentDocument, HTMLFrameElement.contentWindow, HTMLFrameElement.frameBorder, HTMLFrameElement.longDesc, HTMLFrameElement.marginHeight, HTMLFrameElement.marginWidth, HTMLFrameElement.name, HTMLFrameElement.noResize, HTMLFrameElement.scrolling, HTMLFrameElement.src

see also WebIDLPedia

HTMLFrameSetElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLFrameSetElement.cols, HTMLFrameSetElement.rows

see also WebIDLPedia

HTMLHeadElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLHeadElement.profile

see also WebIDLPedia

HTMLHeadingElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLHeadingElement.align

see also WebIDLPedia

HTMLHRElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLHRElement.align, HTMLHRElement.color, HTMLHRElement.noShade, HTMLHRElement.size, HTMLHRElement.width

see also WebIDLPedia

HTMLHtmlElement (WebIDL interface) §

Defined in HTML

Referenced in DOM

Related terms: HTMLHtmlElement.version

see also WebIDLPedia

HTMLHyperlinkElementUtils (WebIDL interface) §

Defined in HTML

Referenced in Private Click Measurement, Speculation Rules, SVG 2

Related terms: HTMLHyperlinkElementUtils.hash, HTMLHyperlinkElementUtils.host, HTMLHyperlinkElementUtils.hostname, HTMLHyperlinkElementUtils.href, HTMLHyperlinkElementUtils.origin, HTMLHyperlinkElementUtils.password, HTMLHyperlinkElementUtils.pathname, HTMLHyperlinkElementUtils.port, HTMLHyperlinkElementUtils.protocol, HTMLHyperlinkElementUtils.search, HTMLHyperlinkElementUtils.username

see also WebIDLPedia

HTMLIFrameElement (WebIDL interface) §

Defined in HTML

Referenced in Topics API, Iframe credentialless, Document Picture-in-Picture, URL Fragment Text Directives, Shared Storage API, Private State Token API, Protected Audience, Content Security Policy: Embedded Enforcement, Permissions Policy, SVG 2, Trusted Types, WebXR DOM Overlays

Related terms: HTMLIFrameElement.adAuctionHeaders, HTMLIFrameElement.align, HTMLIFrameElement.allow, HTMLIFrameElement.allowFullscreen, HTMLIFrameElement.browsingTopics, HTMLIFrameElement.contentDocument, HTMLIFrameElement.contentWindow, HTMLIFrameElement.credentialless, HTMLIFrameElement.csp, HTMLIFrameElement.frameBorder, undefinedheight, HTMLIFrameElement.loading, HTMLIFrameElement.longDesc, HTMLIFrameElement.marginHeight, HTMLIFrameElement.marginWidth, HTMLIFrameElement.name, HTMLIFrameElement.permissionsPolicy, HTMLIFrameElement.privateToken, HTMLIFrameElement.referrerPolicy, HTMLIFrameElement.sandbox, HTMLIFrameElement.scrolling, HTMLIFrameElement.src, HTMLIFrameElement.srcdoc, undefinedwidth, undefinedgetSVGDocument()

see also WebIDLPedia

HTMLImageElement (WebIDL interface) §

Defined in HTML

Referenced in Attribution Reporting, URL Fragment Text Directives, Accelerated Shape Detection in Images, Shared Storage API, Contact Picker API, CSSOM View, Paint Timing, WebCodecs, WebGPU

Related terms: HTMLImageElement.align, HTMLImageElement.alt, HTMLImageElement.border, HTMLImageElement.complete, HTMLImageElement.crossOrigin, HTMLImageElement.currentSrc, HTMLImageElement.decoding, HTMLImageElement.fetchPriority, HTMLImageElement.height, HTMLImageElement.hspace, HTMLImageElement.isMap, HTMLImageElement.loading, HTMLImageElement.longDesc, HTMLImageElement.lowsrc, HTMLImageElement.name, HTMLImageElement.naturalHeight, HTMLImageElement.naturalWidth, HTMLImageElement.referrerPolicy, HTMLImageElement.sizes, HTMLImageElement.src, HTMLImageElement.srcset, HTMLImageElement.useMap, HTMLImageElement.vspace, HTMLImageElement.width, HTMLImageElement.x, HTMLImageElement.y, HTMLImageElement.decode()

see also WebIDLPedia

HTMLInputElement (WebIDL interface) §

Defined in HTML

Referenced in WebDriver BiDi, File and Directory Entries API, File API, HTML Media Capture

Related terms: HTMLInputElement.accept, HTMLInputElement.align, HTMLInputElement.alpha, HTMLInputElement.alt, undefinedautocomplete, HTMLInputElement.capture, HTMLInputElement.checked, HTMLInputElement.colorSpace, HTMLInputElement.defaultChecked, HTMLInputElement.defaultValue, HTMLInputElement.dirName, undefineddisabled, HTMLInputElement.files, undefinedform, undefinedformAction, undefinedformEnctype, undefinedformMethod, undefinedformNoValidate, undefinedformTarget, HTMLInputElement.height, HTMLInputElement.indeterminate, undefinedlabels, HTMLInputElement.list, HTMLInputElement.max, HTMLInputElement.maxLength, HTMLInputElement.min, HTMLInputElement.minLength, HTMLInputElement.multiple, undefinedname, HTMLInputElement.pattern, HTMLInputElement.placeholder, HTMLInputElement.readOnly, HTMLInputElement.required, undefinedselectionDirection, undefinedselectionEnd, undefinedselectionStart, HTMLInputElement.size, HTMLInputElement.src, HTMLInputElement.step, HTMLInputElement.type, HTMLInputElement.useMap, undefinedvalidationMessage, undefinedvalidity, HTMLInputElement.value, HTMLInputElement.valueAsDate, HTMLInputElement.valueAsNumber, HTMLInputElement.webkitdirectory, HTMLInputElement.webkitEntries, HTMLInputElement.width, undefinedwillValidate, undefinedcheckValidity(), undefinedreportValidity(), undefinedselect(), undefinedsetCustomValidity(error), undefinedsetRangeText(replacement, start, end, selectMode), undefinedsetSelectionRange(start, end, direction), HTMLInputElement.showPicker(), HTMLInputElement.stepDown(n), HTMLInputElement.stepUp(n)

see also WebIDLPedia

HTMLLabelElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLLabelElement.control, HTMLLabelElement.form, HTMLLabelElement.htmlFor

see also WebIDLPedia

HTMLLegendElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLLegendElement.align, HTMLLegendElement.form

see also WebIDLPedia

HTMLLIElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLLIElement.type, HTMLLIElement.value

see also WebIDLPedia

HTMLLinkElement (WebIDL interface) §

Defined in HTML

Referenced in CSS View Transitions 2

Related terms: HTMLLinkElement.as, HTMLLinkElement.blocking, HTMLLinkElement.charset, HTMLLinkElement.crossOrigin, HTMLLinkElement.disabled, HTMLLinkElement.fetchPriority, HTMLLinkElement.href, HTMLLinkElement.hreflang, HTMLLinkElement.imageSizes, HTMLLinkElement.imageSrcset, HTMLLinkElement.integrity, HTMLLinkElement.media, HTMLLinkElement.referrerPolicy, HTMLLinkElement.rel, HTMLLinkElement.relList, HTMLLinkElement.rev, HTMLLinkElement.sizes, HTMLLinkElement.target, HTMLLinkElement.type

see also WebIDLPedia

HTMLMapElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLMapElement.areas, HTMLMapElement.name

see also WebIDLPedia

HTMLMarqueeElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLMarqueeElement.behavior, HTMLMarqueeElement.bgColor, HTMLMarqueeElement.direction, HTMLMarqueeElement.height, HTMLMarqueeElement.hspace, HTMLMarqueeElement.loop, HTMLMarqueeElement.scrollAmount, HTMLMarqueeElement.scrollDelay, HTMLMarqueeElement.trueSpeed, HTMLMarqueeElement.vspace, HTMLMarqueeElement.width, HTMLMarqueeElement.start(), HTMLMarqueeElement.stop()

see also WebIDLPedia

HTMLMediaElement (WebIDL interface) §

Defined in HTML

Referenced in Prerendering Revamped, Page Lifecycle, Audio Output Devices API, Audio Session, Autoplay Policy Detection, Media Source Extensions™, Media Capture from DOM Elements, Media Capture and Streams, Open Screen Protocol, Remote Playback API, Web Audio API, Web Audio API 1.1, WebCodecs, WebGPU

Related terms: concept effective media volume, concept media data, HTMLMediaElement.audioTracks, HTMLMediaElement.autoplay, HTMLMediaElement.buffered, HTMLMediaElement.controls, HTMLMediaElement.crossOrigin, HTMLMediaElement.currentSrc, HTMLMediaElement.currentTime, HTMLMediaElement.defaultMuted, HTMLMediaElement.defaultPlaybackRate, HTMLMediaElement.disableRemotePlayback, HTMLMediaElement.duration, HTMLMediaElement.ended, HTMLMediaElement.error, HTMLMediaElement.loop, HTMLMediaElement.mediaKeys, HTMLMediaElement.muted, HTMLMediaElement.networkState, HTMLMediaElement.onencrypted, HTMLMediaElement.onwaitingforkey, HTMLMediaElement.paused, HTMLMediaElement.playbackRate, HTMLMediaElement.played, HTMLMediaElement.preload, HTMLMediaElement.preservesPitch, HTMLMediaElement.readyState, HTMLMediaElement.remote, HTMLMediaElement.seekable, HTMLMediaElement.seeking, HTMLMediaElement.sinkId, HTMLMediaElement.src, HTMLMediaElement.srcObject, HTMLMediaElement.textTracks, HTMLMediaElement.videoTracks, HTMLMediaElement.volume, HTMLMediaElement.HAVE_CURRENT_DATA, HTMLMediaElement.HAVE_ENOUGH_DATA, HTMLMediaElement.HAVE_FUTURE_DATA, HTMLMediaElement.HAVE_METADATA, HTMLMediaElement.HAVE_NOTHING, HTMLMediaElement.NETWORK_EMPTY, HTMLMediaElement.NETWORK_IDLE, HTMLMediaElement.NETWORK_LOADING, HTMLMediaElement.NETWORK_NO_SOURCE, event abort, event canplay, event canplaythrough, event durationchange, event emptied, event ended, event error, event loadeddata, event loadedmetadata, event loadstart, event pause, event play, event playing, event progress, event ratechange, event resize, event seeked, event seeking, event stalled, event suspend, event timeupdate, event volumechange, event waiting, HTMLMediaElement.addTextTrack(kind, label, language), HTMLMediaElement.canPlayType(type), HTMLMediaElement.captureStream(), HTMLMediaElement.fastSeek(time), HTMLMediaElement.getStartDate(), HTMLMediaElement.load(), HTMLMediaElement.pause(), HTMLMediaElement.play(), HTMLMediaElement.setMediaKeys(), HTMLMediaElement.setSinkId()

see also WebIDLPedia

HTMLMenuElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLMenuElement.compact

see also WebIDLPedia

HTMLMetaElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLMetaElement.content, HTMLMetaElement.httpEquiv, HTMLMetaElement.media, HTMLMetaElement.name, HTMLMetaElement.scheme

see also WebIDLPedia

HTMLMeterElement (WebIDL interface) §

Defined in HTML

Referenced in URL Fragment Text Directives

Related terms: HTMLMeterElement.high, undefinedlabels, HTMLMeterElement.low, HTMLMeterElement.max, HTMLMeterElement.min, HTMLMeterElement.optimum, HTMLMeterElement.value

see also WebIDLPedia

HTMLModelElement (WebIDL interface) §

Defined in The <model> element

see also WebIDLPedia

HTMLModElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLModElement.cite, HTMLModElement.dateTime

see also WebIDLPedia

HTMLObjectElement (WebIDL interface) §

Defined in HTML

Referenced in URL Fragment Text Directives, SVG 2

Related terms: HTMLObjectElement.align, HTMLObjectElement.archive, HTMLObjectElement.border, HTMLObjectElement.code, HTMLObjectElement.codeBase, HTMLObjectElement.codeType, HTMLObjectElement.contentDocument, HTMLObjectElement.contentWindow, HTMLObjectElement.data, HTMLObjectElement.declare, undefinedform, undefinedheight, HTMLObjectElement.hspace, HTMLObjectElement.name, HTMLObjectElement.standby, HTMLObjectElement.type, HTMLObjectElement.useMap, undefinedvalidationMessage, undefinedvalidity, HTMLObjectElement.vspace, undefinedwidth, undefinedwillValidate, undefinedcheckValidity(), undefinedgetSVGDocument(), undefinedreportValidity(), undefinedsetCustomValidity(error)

see also WebIDLPedia

HTMLOListElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLOListElement.compact, HTMLOListElement.reversed, HTMLOListElement.start, HTMLOListElement.type

see also WebIDLPedia

HTMLOptGroupElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLOptGroupElement.disabled, HTMLOptGroupElement.label

see also WebIDLPedia

HTMLOptionElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLOptionElement.defaultSelected, HTMLOptionElement.disabled, HTMLOptionElement.form, HTMLOptionElement.index, HTMLOptionElement.label, HTMLOptionElement.selected, HTMLOptionElement.text, HTMLOptionElement.value, new Option(text, value, defaultSelected, selected)

see also WebIDLPedia

HTMLOptionsCollection (WebIDL interface) §

Defined in HTML

Referenced in WebDriver

Related terms: HTMLOptionsCollection.length, HTMLOptionsCollection.selectedIndex, HTMLOptionsCollection.add(element, before), HTMLOptionsCollection.remove(index)

see also WebIDLPedia

HTMLOrSVGElement (WebIDL interface) §

Defined in HTML

Referenced in MathML Core, SVG 2

Related terms: HTMLOrSVGElement.autofocus, HTMLOrSVGElement.[[CryptographicNonce]], HTMLOrSVGElement.dataset, HTMLOrSVGElement.nonce, HTMLOrSVGElement.tabIndex, HTMLOrSVGElement.blur(), HTMLOrSVGElement.focus(options)

see also WebIDLPedia

HTMLOrSVGImageElement (WebIDL type alias) §

Defined in HTML

see also WebIDLPedia

HTMLOrSVGScriptElement (WebIDL type alias) §

Defined in HTML

see also WebIDLPedia

HTMLOutputElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLOutputElement.defaultValue, undefinedform, HTMLOutputElement.htmlFor, undefinedlabels, undefinedname, HTMLOutputElement.type, undefinedvalidationMessage, undefinedvalidity, HTMLOutputElement.value, undefinedwillValidate, undefinedcheckValidity(), undefinedreportValidity(), undefinedsetCustomValidity(error)

see also WebIDLPedia

HTMLParagraphElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLParagraphElement.align

see also WebIDLPedia

HTMLParamElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLParamElement.name, HTMLParamElement.type, HTMLParamElement.value, HTMLParamElement.valueType

see also WebIDLPedia

HTMLPictureElement (WebIDL interface) §

Defined in HTML

see also WebIDLPedia

HTMLPortalElement (WebIDL interface) §

Defined in Portals

Related terms: HTMLPortalElement.onmessage, HTMLPortalElement.onmessageerror, HTMLPortalElement.referrerPolicy, HTMLPortalElement.src, new HTMLPortalElement(), event message, event messageerror, HTMLPortalElement.activate(options), HTMLPortalElement.postMessage(message, options)

see also WebIDLPedia

new HTMLPortalElement() (WebIDL constructor) §

Defined in Portals

HTMLPreElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLPreElement.width

see also WebIDLPedia

HTMLProgressElement (WebIDL interface) §

Defined in HTML

Referenced in URL Fragment Text Directives

Related terms: undefinedlabels, HTMLProgressElement.max, HTMLProgressElement.position, HTMLProgressElement.value

see also WebIDLPedia

HTMLQuoteElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLQuoteElement.cite

see also WebIDLPedia

HTMLScriptElement (WebIDL interface) §

Defined in HTML

Referenced in Attribution Reporting, Scripting Policy, Speculation Rules, URL Fragment Text Directives, Trusted Types

Related terms: concept script text, HTMLScriptElement.async, HTMLScriptElement.blocking, HTMLScriptElement.charset, HTMLScriptElement.crossOrigin, HTMLScriptElement.defer, HTMLScriptElement.event, HTMLScriptElement.fetchPriority, HTMLScriptElement.htmlFor, HTMLScriptElement.integrity, HTMLScriptElement.noModule, HTMLScriptElement.referrerPolicy, HTMLScriptElement.src, HTMLScriptElement.text, HTMLScriptElement.type, HTMLScriptElement.supports(type)

see also WebIDLPedia

HTMLSelectElement (WebIDL interface) §

Defined in HTML

Related terms: undefinedautocomplete, undefineddisabled, undefinedform, undefinedlabels, HTMLSelectElement.length, HTMLSelectElement.multiple, undefinedname, HTMLSelectElement.options, HTMLSelectElement.required, HTMLSelectElement.selectedIndex, HTMLSelectElement.selectedOptions, HTMLSelectElement.size, HTMLSelectElement.type, undefinedvalidationMessage, undefinedvalidity, HTMLSelectElement.value, undefinedwillValidate, HTMLSelectElement.add(element, before), undefinedcheckValidity(), HTMLSelectElement.item(index), HTMLSelectElement.namedItem(name), HTMLSelectElement.remove(), undefinedreportValidity(), undefinedsetCustomValidity(error), HTMLSelectElement.showPicker()

see also WebIDLPedia

HTMLSharedStorageWritableElementUtils (WebIDL interface) §

Defined in Shared Storage API

Related terms: HTMLSharedStorageWritableElementUtils.sharedStorageWritable

see also WebIDLPedia

HTMLSlotElement (WebIDL interface) §

Defined in HTML

Referenced in DOM

Related terms: concept manually assigned nodes, HTMLSlotElement.name, event slotchange, HTMLSlotElement.assign(...nodes), HTMLSlotElement.assignedElements(options), HTMLSlotElement.assignedNodes(options)

see also WebIDLPedia

HTMLSourceElement (WebIDL interface) §

Defined in HTML

Related terms: undefinedheight, HTMLSourceElement.media, HTMLSourceElement.sizes, HTMLSourceElement.src, HTMLSourceElement.srcset, HTMLSourceElement.type, undefinedwidth, event error

see also WebIDLPedia

HTMLSpanElement (WebIDL interface) §

Defined in HTML

see also WebIDLPedia

HTMLStyleElement (WebIDL interface) §

Defined in HTML

Referenced in URL Fragment Text Directives

Related terms: HTMLStyleElement.blocking, HTMLStyleElement.disabled, HTMLStyleElement.media, HTMLStyleElement.type

see also WebIDLPedia

HTMLTableCaptionElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableCaptionElement.align

see also WebIDLPedia

HTMLTableCellElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableCellElement.abbr, HTMLTableCellElement.align, HTMLTableCellElement.axis, HTMLTableCellElement.bgColor, HTMLTableCellElement.cellIndex, HTMLTableCellElement.ch, HTMLTableCellElement.chOff, HTMLTableCellElement.colSpan, HTMLTableCellElement.headers, HTMLTableCellElement.height, HTMLTableCellElement.noWrap, HTMLTableCellElement.rowSpan, HTMLTableCellElement.scope, HTMLTableCellElement.vAlign, HTMLTableCellElement.width

see also WebIDLPedia

HTMLTableColElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableColElement.align, HTMLTableColElement.ch, HTMLTableColElement.chOff, HTMLTableColElement.span, HTMLTableColElement.vAlign, HTMLTableColElement.width

see also WebIDLPedia

HTMLTableElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableElement.align, HTMLTableElement.bgColor, HTMLTableElement.border, HTMLTableElement.caption, HTMLTableElement.cellPadding, HTMLTableElement.cellSpacing, HTMLTableElement.frame, HTMLTableElement.rows, HTMLTableElement.rules, HTMLTableElement.summary, HTMLTableElement.tBodies, HTMLTableElement.tFoot, HTMLTableElement.tHead, HTMLTableElement.width, HTMLTableElement.createCaption(), HTMLTableElement.createTBody(), HTMLTableElement.createTFoot(), HTMLTableElement.createTHead(), HTMLTableElement.deleteCaption(), HTMLTableElement.deleteRow(index), HTMLTableElement.deleteTFoot(), HTMLTableElement.deleteTHead(), HTMLTableElement.insertRow(index)

see also WebIDLPedia

HTMLTableRowElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableRowElement.align, HTMLTableRowElement.bgColor, HTMLTableRowElement.cells, HTMLTableRowElement.ch, HTMLTableRowElement.chOff, HTMLTableRowElement.rowIndex, HTMLTableRowElement.sectionRowIndex, HTMLTableRowElement.vAlign, HTMLTableRowElement.deleteCell(index), HTMLTableRowElement.insertCell(index)

see also WebIDLPedia

HTMLTableSectionElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTableSectionElement.align, HTMLTableSectionElement.ch, HTMLTableSectionElement.chOff, HTMLTableSectionElement.rows, HTMLTableSectionElement.vAlign, HTMLTableSectionElement.deleteRow(index), HTMLTableSectionElement.insertRow(index)

see also WebIDLPedia

HTMLTemplateElement (WebIDL interface) §

Defined in HTML

Referenced in HTML Sanitizer API

Related terms: HTMLTemplateElement.content

see also WebIDLPedia

HTMLTextAreaElement (WebIDL interface) §

Defined in HTML

Related terms: undefinedautocomplete, HTMLTextAreaElement.cols, HTMLTextAreaElement.defaultValue, HTMLTextAreaElement.dirName, undefineddisabled, undefinedform, undefinedlabels, HTMLTextAreaElement.maxLength, HTMLTextAreaElement.minLength, undefinedname, HTMLTextAreaElement.placeholder, HTMLTextAreaElement.readOnly, HTMLTextAreaElement.required, HTMLTextAreaElement.rows, undefinedselectionDirection, undefinedselectionEnd, undefinedselectionStart, HTMLTextAreaElement.textLength, HTMLTextAreaElement.type, undefinedvalidationMessage, undefinedvalidity, HTMLTextAreaElement.value, undefinedwillValidate, HTMLTextAreaElement.wrap, undefinedcheckValidity(), undefinedreportValidity(), undefinedselect(), undefinedsetCustomValidity(error), undefinedsetRangeText(replacement, start, end, selectMode), undefinedsetSelectionRange(start, end, direction)

see also WebIDLPedia

HTMLTimeElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTimeElement.dateTime

see also WebIDLPedia

HTMLTitleElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTitleElement.text

see also WebIDLPedia

HTMLTrackElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLTrackElement.default, HTMLTrackElement.kind, HTMLTrackElement.label, HTMLTrackElement.readyState, HTMLTrackElement.src, HTMLTrackElement.srclang, HTMLTrackElement.track, HTMLTrackElement.ERROR, HTMLTrackElement.LOADED, HTMLTrackElement.LOADING, HTMLTrackElement.NONE, event cuechange, event error, event load

see also WebIDLPedia

HTMLUListElement (WebIDL interface) §

Defined in HTML

Related terms: HTMLUListElement.compact, HTMLUListElement.type

see also WebIDLPedia

HTMLUnknownElement (WebIDL interface) §

Defined in HTML

Referenced in DOM

see also WebIDLPedia

HTMLVideoElement (WebIDL interface) §

Defined in HTML

Referenced in Media Playback Quality, Document Picture-in-Picture, URL Fragment Text Directives, Accelerated Shape Detection in Images, HTMLVideoElement.requestVideoFrameCallback(), Autoplay Policy Detection, Media Source Extensions™, Media Capture and Streams, Paint Timing, Picture-in-Picture, WebCodecs, WebGPU, WebXR Layers API 1

Related terms: HTMLVideoElement.disablePictureInPicture, undefinedheight, HTMLVideoElement.onenterpictureinpicture, HTMLVideoElement.onleavepictureinpicture, HTMLVideoElement.playsInline, HTMLVideoElement.poster, HTMLVideoElement.videoHeight, HTMLVideoElement.videoWidth, undefinedwidth, event enterpictureinpicture, event leavepictureinpicture, HTMLVideoElement.cancelVideoFrameCallback(handle), HTMLVideoElement.getVideoPlaybackQuality(), HTMLVideoElement.requestPictureInPicture(), HTMLVideoElement.requestVideoFrameCallback(callback)

see also WebIDLPedia

HTTP fetch (concept) §

Defined in Fetch

Referenced in Topics API, Private Network Access, Shared Storage API, Private State Token API, Protected Audience, Loading Signed Exchanges, Resource Timing, Service Workers

HTTP newline byte (concept) §

Defined in Fetch

Referenced in Source Map

HTTP tab or space (concept) §

Defined in Fetch

HTTP tab or space byte (concept) §

Defined in Fetch

Referenced in Protected Audience, WebAssembly Web API

HTTP whitespace (concept) §

Defined in Fetch

Referenced in MIME Sniffing

HTTP whitespace byte (concept) §

Defined in Fetch

http-equiv (markup attribute for meta ) §

Defined in HTML

Referenced in Navigational-Tracking Mitigations, Client Hints Infrastructure, A Well-Known URL for Changing Passwords, Content Security Policy 3, HTML Accessibility API Mappings 1.0

Related terms: value content-language, value content-security-policy, value content-type, value default-style, value refresh, value set-cookie, value x-ua-compatible

HTTP-redirect fetch (concept) §

Defined in Fetch

Referenced in Client Hints Infrastructure, Resource Timing

HTTP(S) scheme (concept) §

Defined in Fetch

Referenced in HTML, Source Map, Prefetch, Prerendering Revamped, Speculation Rules, Portals, Private State Token API, Content Security Policy 3, Resource Timing

HTMLMetaElement.httpEquiv (WebIDL attribute) §

Defined in HTML

RTCError.httpRequestStatusCode (WebIDL attribute) §

Defined in Identity for WebRTC 1.0

RTCErrorInit.httpRequestStatusCode (WebIDL dictionary member) §

Defined in Identity for WebRTC 1.0

<hue> (CSS type) §

Defined in CSS Color 4

Referenced in CSS Color HDR 1, CSS Color 5

hue (CSS value for <blend-mode> ) §

Defined in Compositing 2 , Compositing 1

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

<hue-interpolation-method> (CSS type) §

Defined in CSS Color 4 , CSS Color 5

hue-rotate() (CSS function for filter ) §

Defined in Filter Effects 1

hueRotate (value for type ) §

Defined in Filter Effects 1

RTCOutboundRtpStreamStats.hugeFramesSent (WebIDL dictionary member) §

Defined in WebRTC Statistics

<hv-line-command> (CSS type for shape() ) §

Defined in CSS Shapes 2

HWB (CSS value for hwb() ) §

Defined in CSS Color 4

Referenced in CSS Color 5

hwb() (CSS function) §

Defined in CSS Color 4 , CSS Color 5

Referenced in CSS Typed OM 1

Related terms: CSS value alpha, CSS value b, CSS value h, CSS value HWB, CSS value w

"hwio" (value for MLConv2dFilterOperandLayout WebIDL enumeration) §

Defined in Web Neural Network API

"hwoi" (value for MLConvTranspose2dFilterOperandLayout WebIDL enumeration) §

Defined in Web Neural Network API

"hybrid" (value for AuthenticatorTransport WebIDL enumeration) §

Defined in Web Authentication

"hybrid" (value for PublicKeyCredentialHint WebIDL enumeration) §

Defined in Web Authentication

"hybridTransport" (value for ClientCapability WebIDL enumeration) §

Defined in Web Authentication

hyperlink (concept) §

Defined in HTML

Referenced in Navigational-Tracking Mitigations, HTML Accessibility API Mappings 1.0

hyphen-separated matching (concept) §

Defined in CSS 2.1

hyphenate-character (CSS property) §

Defined in CSS Text 4

Related terms: CSS value auto

hyphenate-limit-chars (CSS property) §

Defined in CSS Text 4

Related terms: CSS value auto

hyphenate-limit-last (CSS property) §

Defined in CSS Text 4

hyphenate-limit-lines (CSS property) §

Defined in CSS Text 4

Related terms: CSS value always, CSS value column, CSS value none, CSS value page, CSS value spread

hyphenate-limit-zone (CSS property) §

Defined in CSS Text 4

hyphens (CSS property) §

Defined in CSS Text 3 , CSS Text 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

Related terms: CSS value auto, CSS value manual, CSS value none

Math.hypot(...args) (WebIDL operation) §

Defined in ECMAScript

hypot() (CSS function) §

Defined in CSS Values 4

hypothetical WeakRef-oblivious (concept for ECMAScript ) §

Defined in ECMAScript

Hz (CSS value for <frequency> ) §

Defined in CSS Values 3 , CSS Values 4

Referenced in CSS Snapshot 2022, CSS Snapshot 2023

Hz(value) (WebIDL operation for CSS ) §

Defined in CSS Typed OM 1