Color key: WebIDL
CSS
Markup
HTTP
l
(CSS value forhsl()
) §- Defined in CSS Color 5
l
(CSS value forlab()
) §- Defined in CSS Color 5
l
(CSS value foroklab()
) §- Defined in CSS Color 5
l
(CSS value forlch()
) §- Defined in CSS Color 5
l
(CSS value foroklch()
) §- Defined in CSS Color 5
CSSHSL.
l
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSLab.
l
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSLCH.
l
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSOKLab.
l
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSOKLCH.
l
(WebIDL attribute) §- Defined in CSS Typed OM 1
L1T1 (concept) §
- Defined in SVC
L1T2 (concept) §
- Defined in SVC
L1T3 (concept) §
- Defined in SVC
MLOpSupportLimits.
l2Pool2d
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
l2Pool2d(input, options)
(WebIDL operation) §- Defined in Web Neural Network API
L2T1 (concept) §
- Defined in SVC
L2T1h (concept) §
- Defined in SVC
L2T2 (concept) §
- Defined in SVC
L2T2_KEY (concept) §
- Defined in SVC
L2T2_KEY_SHIFT (concept) §
- Defined in SVC
L2T2h (concept) §
- Defined in SVC
L2T3 (concept) §
- Defined in SVC
L2T3_KEY (concept) §
- Defined in SVC
L2T3_KEY_SHIFT (concept) §
- Defined in SVC
L2T3h (concept) §
- Defined in SVC
L3T1 (concept) §
- Defined in SVC
L3T1_KEY (concept) §
- Defined in SVC
L3T1h (concept) §
- Defined in SVC
L3T2 (concept) §
- Defined in SVC
L3T2_KEY (concept) §
- Defined in SVC
L3T2_KEY_SHIFT (concept) §
- Defined in SVC
L3T2h (concept) §
- Defined in SVC
L3T3 (concept) §
- Defined in SVC
L3T3_KEY (concept) §
- Defined in SVC
L3T3_KEY_SHIFT (concept) §
- Defined in SVC
L3T3h (concept) §
- Defined in SVC
Lab
(CSS value forlab()
) §- Defined in CSS Color 4
- Referenced in CSS Color 5
lab()
(CSS function) §- Defined in CSS Color 4 , CSS Color 5
- Referenced in CSS Typed OM 1
- Related terms: CSS value
a
, CSS valuealpha
, CSS valueb
, CSS valuel
, CSS valueLab
label (concept for encoding ) §
- Defined in Encoding
- Referenced in HTML, Web NFC API
label
(markup attribute fortrack
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0
label
(markup element) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0, ARIA in HTML, Selectors 4, WAI-ARIA, WAI-ARIA
- Related terms: markup attribute
for
label
(markup attribute foroptgroup
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0
label
(markup attribute foroption
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0
- Defined in HTML
label (concept for prefetch record ) §
- Defined in Prefetch
label (concept) §
- Defined in Web App Manifest - Application Information
AudioTrack.
label
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
GPUObjectBase.
label
(WebIDL attribute) §- Defined in WebGPU
GPUObjectDescriptorBase.
label
(WebIDL dictionary member) §- Defined in WebGPU
HTMLOptGroupElement.
label
(WebIDL attribute) §- Defined in HTML
HTMLOptionElement.
label
(WebIDL attribute) §- Defined in HTML
HTMLTrackElement.
label
(WebIDL attribute) §- Defined in HTML
ImageResource.
label
(WebIDL dictionary member) §- Defined in Image Resource
MediaDeviceInfo.
label
(WebIDL attribute) §- Defined in Media Capture and Streams
MediaKeySystemConfiguration.
label
(WebIDL dictionary member) §- Defined in Encrypted Media Extensions
MediaStreamTrack.
label
(WebIDL attribute) §- Defined in Media Capture and Streams
MLOperatorOptions.
label
(WebIDL dictionary member) §- Defined in Web Neural Network API
MockCaptureDeviceConfiguration.
label
(WebIDL dictionary member) §- Defined in Media Capture Automation
PaymentItem.
label
(WebIDL dictionary member) §- Defined in Payment Request API
PaymentShippingOption.
label
(WebIDL dictionary member) §- Defined in Payment Request API
RsaOaepParams.
label
(WebIDL dictionary member) §- Defined in Web Cryptography API
RTCDataChannel.
label
(WebIDL attribute) §- Defined in WebRTC 1.0
RTCDataChannelStats.
label
(WebIDL dictionary member) §- Defined in WebRTC Statistics
ScreenDetailed.
label
(WebIDL attribute) §- Defined in Window Management
TextTrack.
label
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
VideoTrack.
label
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
ElementInternals.
labels
(WebIDL attribute) §- Defined in HTML
HTMLButtonElement.
labels
(WebIDL attribute) §HTMLInputElement.
labels
(WebIDL attribute) §HTMLMeterElement.
labels
(WebIDL attribute) §HTMLOutputElement.
labels
(WebIDL attribute) §HTMLProgressElement.
labels
(WebIDL attribute) §HTMLSelectElement.
labels
(WebIDL attribute) §HTMLTextAreaElement.
labels
(WebIDL attribute) §- Defined in HTML
Landmark
(WebIDL dictionary) §- Defined in Accelerated Shape Detection in Images
- Related terms:
Landmark.
locations
,Landmark.
type
- see also WebIDLPedia
DetectedFace.
landmarks
(WebIDL dictionary member) §- Defined in Accelerated Shape Detection in Images
LandmarkType
(WebIDL enumeration) §- Defined in Accelerated Shape Detection in Images
- Related terms: value
eye
, valuemouth
, valuenose
- see also WebIDLPedia
landscape
(CSS value fororientation
descriptor of@container
@rule ) §- Defined in CSS Conditional 5
landscape (concept) §
- Defined in CSS Paged Media 3
landscape
(CSS value forsize
descriptor of@page
@rule ) §- Defined in CSS Paged Media 3
landscape
(CSS value fororientation
descriptor of@media
@rule ) §- Defined in Media Queries 4 , Media Queries 5
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSSOM
"landscape"
(value forOrientationLockType
WebIDL enumeration) §- Defined in Screen Orientation
"landscape-primary"
(value forOrientationLockType
WebIDL enumeration) §- Defined in Screen Orientation
"landscape-primary"
(value forOrientationType
WebIDL enumeration) §- Defined in Screen Orientation
"landscape-secondary"
(value forOrientationLockType
WebIDL enumeration) §- Defined in Screen Orientation
"landscape-secondary"
(value forOrientationType
WebIDL enumeration) §- Defined in Screen Orientation
:lang
(CSS selector) §- Defined in CSS 2.2 , Selectors 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, WebVTT: The Web Video Text Tracks Format
lang
(markup attribute forhtml-global
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0, WebVTT: The Web Video Text Tracks Format
lang (concept for manifest ) §
- Defined in Web Application Manifest
lang (concept for *_localized of manifest ) §
- Defined in Web Application Manifest
lang
(markup attribute forcore-attributes
) §- Defined in SVG 2
- Referenced in SVG Animations 2
HTMLElement.
lang
(WebIDL attribute) §- Defined in HTML
InputObject.
lang
(WebIDL attribute) §- Defined in MiniApp Lifecycle
LifecycleError.
lang
(WebIDL attribute) §- Defined in MiniApp Lifecycle
NDEFRecord.
lang
(WebIDL attribute) §- Defined in Web NFC API
NDEFRecordInit.
lang
(WebIDL dictionary member) §- Defined in Web NFC API
Notification.
lang
(WebIDL attribute) §- Defined in Notifications API
NotificationOptions.
lang
(WebIDL dictionary member) §- Defined in Notifications API
SpeechRecognition.
lang
(WebIDL attribute) §- Defined in Web Speech API
SpeechSynthesisUtterance.
lang
(WebIDL attribute) §- Defined in Web Speech API
SpeechSynthesisVoice.
lang
(WebIDL attribute) §- Defined in Web Speech API
:lang()
(CSS selector) §- Defined in Selectors 4
- Referenced in CSS Variables 1
language (concept for
Node
) §- Defined in HTML
- Referenced in URL Fragment Text Directives, Web Speech API, CSS Text 3, CSS Text 4, Payment Request API, WAI-ARIA, WAI-ARIA
- Defined in HTML
language
(markup attribute forscript
) §- Defined in HTML
AudioTrack.
language
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
- Defined in HTML
- Referenced in Local Font Access
RdfLiteral.
language
(WebIDL attribute) §- Defined in JSON-LD 1.1 Processing Algorithms and API
TextTrack.
language
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
VideoTrack.
language
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
Language metadata (concept) §
- Defined in Internationalization Glossary
Language negotiation (concept) §
- Defined in Internationalization Glossary
- Referenced in Secure Payment Confirmation
Language Priority List (concept) §
- Defined in ECMAScript Internationalization API
Language priority list (concept) §
- Defined in Internationalization Glossary
- Referenced in Secure Payment Confirmation
Language subtag (concept) §
- Defined in Internationalization Glossary
Language tag (concept) §
- Defined in Internationalization Glossary
Language tag extension (concept) §
- Defined in Internationalization Glossary
"language-not-supported"
(value forSpeechRecognitionErrorCode
WebIDL enumeration) §- Defined in Web Speech API
language-range (concept) §
- Defined in Internationalization Glossary
- Defined in Web Speech API
AISummarizerCapabilities.
languageAvailable(languageTag)
(WebIDL operation) §- Defined in Writing Assistance APIs
languagechange
(event forWindow
,WorkerGlobalScope
interface ) §- Defined in HTML
HandwritingModelConstraint.
languages
(WebIDL dictionary member) §- Defined in Handwriting Recognition API
- Defined in HTML
lao
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
large
(CSS value forarc
,shape()
function ) §- Defined in CSS Shapes 2
large
(CSS value forfont-size
) §- Defined in CSS 2.2
large viewport size (concept) §
- Defined in CSS Values 4
large viewport-percentage units (concept) §
- Defined in CSS Values 4
AuthenticationExtensionsClientInputs.
largeBlob
(WebIDL dictionary member) §- Defined in Web Authentication
AuthenticationExtensionsClientOutputs.
largeBlob
(WebIDL dictionary member) §- Defined in Web Authentication
LargeBlobSupport
(WebIDL enumeration) §- Defined in Web Authentication
- Related terms: value
preferred
, valuerequired
- see also WebIDLPedia
largeop
(markup attribute formo
) §- Defined in MathML Core
LargestContentfulPaint
(WebIDL interface) §- Defined in Largest Contentful Paint
- Related terms:
LargestContentfulPaint.
element
,LargestContentfulPaint.
id
,LargestContentfulPaint.
loadTime
,LargestContentfulPaint.
renderTime
,LargestContentfulPaint.
size
,LargestContentfulPaint.
url
,LargestContentfulPaint.
toJSON()
- see also WebIDLPedia
"last"
(value forCaptureAction
WebIDL enumeration) §- Defined in The Capture-Handle Actions Mechanism
last
(CSS value forstring()
) §- Defined in CSS Generated Content 3
last
(CSS value forbaseline-source
,vertical-align
property ) §- Defined in CSS Inline Layout 3
last
(CSS value forhanging-punctuation
) §- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
last baseline
(CSS value for<baseline-position>
,align-content
property,align-items
property,align-self
property,justify-items
property,justify-self
property ) §- Defined in CSS Box Alignment 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
last baseline set (concept) §
- Defined in CSS Box Alignment 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Inline Layout 3
last child (concept for tree ) §
- Defined in DOM
last CSS style sheet set name (concept) §
- Defined in CSSOM
last remembered size (concept) §
- Defined in CSS Sizing 4
- Referenced in CSS Anchor Positioning
last successful position option (concept) §
- Defined in CSS Anchor Positioning
last update check time (concept for service worker registration ) §
- Defined in Service Workers
last-baseline
(CSS value forbox-snap
) §- Defined in CSS Line Grid 1
last-baseline alignment (concept) §
- Defined in CSS Box Alignment 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Flexbox 1, CSS Inline Layout 3
:last-child
(CSS selector) §- Defined in Selectors 3 , Selectors 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
Last-Event-ID
: (HTTP header) §- Defined in HTML
:last-of-page
(CSS selector) §- Defined in CSS GCPM 4
:last-of-type
(CSS selector) §- Defined in Selectors 3 , Selectors 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
Observable.
last(options)
(WebIDL operation) §- Defined in Observable
SyncEvent.
lastChance
(WebIDL attribute) §- Defined in Background Sync
SyncEventInit.
lastChance
(WebIDL dictionary member) §- Defined in Background Sync
XRMesh.
lastChangedTime
(WebIDL attribute) §- Defined in WebXR Mesh Detection
XRPlane.
lastChangedTime
(WebIDL attribute) §- Defined in WebXR Plane Detection
GroupEffect.
lastChild
(WebIDL attribute) §- Defined in Web Animations 2
Node.
lastChild
(WebIDL attribute) §- Defined in DOM
- Referenced in execCommand
TreeWalker.
lastChild()
(WebIDL operation) §- Defined in DOM
ParentNode.
lastElementChild
(WebIDL attribute) §- Defined in DOM
Sensor.
[[lastEventFiredAt]]
(internal slot) §- Defined in Generic Sensor API
ExtendableMessageEvent.
lastEventId
(WebIDL attribute) §- Defined in Service Workers
ExtendableMessageEventInit.
lastEventId
(WebIDL dictionary member) §- Defined in Service Workers
MessageEvent.
lastEventId
(WebIDL attribute) §- Defined in HTML
MessageEventInit.
lastEventId
(WebIDL dictionary member) §- Defined in HTML
%TypedArray%.
lastIndexOf(searchElement, fromIndex)
(WebIDL operation) §- Defined in ECMAScript
Array.
lastIndexOf(searchElement, fromIndex)
(WebIDL operation) §- Defined in ECMAScript
String.
lastIndexOf(searchString, position)
(WebIDL operation) §- Defined in ECMAScript
LayoutShift.
lastInputTime
(WebIDL attribute) §- Defined in Layout Instability
Document.
lastModified
(WebIDL attribute) §- Defined in HTML
File.
lastModified
(WebIDL attribute) §- Defined in File API
- Referenced in File System, HTML, Clipboard API and events, Indexed DB 3.0
FilePropertyBag.
lastModified
(WebIDL dictionary member) §- Defined in File API
RTCIceCandidatePairStats.
lastPacketReceivedTimestamp
(WebIDL dictionary member) §- Defined in WebRTC Statistics
RTCInboundRtpStreamStats.
lastPacketReceivedTimestamp
(WebIDL dictionary member) §- Defined in WebRTC Statistics
RTCIceCandidatePairStats.
lastPacketSentTimestamp
(WebIDL dictionary member) §- Defined in WebRTC Statistics
GPUCanvasContext.
[[lastPresentedImage]]
(internal slot) §- Defined in WebGPU
ResizeObservation.
lastReportedSizes
(WebIDL attribute) §- Defined in Resize Observer
IntersectionObserverRegistration.
lastUpdateTime
(WebIDL attribute) §- Defined in Intersection Observer
MediaTrackCapabilities.
latency
(WebIDL dictionary member) §- Defined in Media Capture and Streams
MediaTrackConstraintSet.
latency
(WebIDL dictionary member) §- Defined in Media Capture and Streams
MediaTrackSettings.
latency
(WebIDL dictionary member) §- Defined in Media Capture and Streams
MediaTrackSupportedConstraints.
latency
(WebIDL dictionary member) §- Defined in Media Capture and Streams
AudioContextOptions.
latencyHint
(WebIDL dictionary member) §AudioContextOptions.
latencyHint
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
VideoEncoderConfig.
latencyMode
(WebIDL dictionary member) §- Defined in WebCodecs
LatencyMode
(WebIDL enumeration) §- Defined in WebCodecs
- Related terms: value
quality
, valuerealtime
- see also WebIDLPedia
RealTimeContribution.
latencyThreshold
(WebIDL dictionary member) §- Defined in Protected Audience
GeolocationCoordinates.
latitude
(WebIDL attribute) §- Defined in Geolocation
GeolocationSensor.
latitude
(WebIDL attribute) §- Defined in Geolocation Sensor
GeolocationSensorReading.
latitude
(WebIDL dictionary member) §- Defined in Geolocation Sensor
LaunchConsumer
(WebIDL callback) §- Defined in Web App Launch Handler API
launched (concept for
Document
) §- Defined in MiniApp Lifecycle
"launched"
(value forGlobalState
WebIDL enumeration) §- Defined in MiniApp Lifecycle
launching a web application (concept) §
- Defined in Web Application Manifest
launching a web application with handling (concept) §
- Defined in Web App Launch Handler API
- Referenced in Manifest Incubations
LaunchParams
(WebIDL interface) §- Defined in Web App Launch Handler API
- Referenced in Manifest Incubations
- Related terms:
LaunchParams.
files
,LaunchParams.
targetURL
- see also WebIDLPedia
LaunchQueue
(WebIDL interface) §- Defined in Web App Launch Handler API
- Related terms:
LaunchQueue.
setConsumer()
- see also WebIDLPedia
launchQueue
(WebIDL attribute forWindow
) §- Defined in Web App Launch Handler API
lavender (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lavender
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lavenderblush (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lavenderblush
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lawngreen (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lawngreen
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
"lax"
(value forCookieSameSite
WebIDL enumeration) §- Defined in Cookie Store API
@layer
(CSS @rule) §- Defined in CSS Cascading 5
- Referenced in CSS Cascading 6, CSS Conditional 5, CSS Nesting, CSS Transitions 2
XRLayerEvent.
layer
(WebIDL attribute) §- Defined in WebXR Layers API 1
XRLayerEventInit.
layer
(WebIDL dictionary member) §- Defined in WebXR Layers API 1
<layer-name>
(CSS type) §- Defined in CSS Cascading 5
CSSImportRule.
layerName
(WebIDL attribute) §- Defined in CSSOM
MLOpSupportLimits.
layerNormalization
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
layerNormalization(input, options)
(WebIDL operation) §- Defined in Web Neural Network API
XRRenderState.
layers
(WebIDL attribute) §- Defined in WebXR Layers API 1
XRRenderStateInit.
layers
(WebIDL dictionary member) §- Defined in WebXR Device API
- Referenced in WebXR Layers API 1
MouseEvent.
layerX
(WebIDL attribute) §- Defined in UI Events
MouseEvent.
layerY
(WebIDL attribute) §- Defined in UI Events
GPUBindGroup.
[[layout]]
(internal slot) §- Defined in WebGPU
GPUPipelineBase.
[[layout]]
(internal slot) §- Defined in WebGPU
GPURenderBundle.
[[layout]]
(internal slot) §- Defined in WebGPU
GPURenderCommandsMixin.
[[layout]]
(internal slot) §- Defined in WebGPU
layout
(CSS value forcontain
) §- Defined in CSS Containment 1 , CSS Containment 2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Cascading 5
GPUBindGroupDescriptor.
layout
(WebIDL dictionary member) §- Defined in WebGPU
GPUPipelineDescriptorBase.
layout
(WebIDL dictionary member) §- Defined in WebGPU
GPUShaderModuleCompilationHint.
layout
(WebIDL dictionary member) §- Defined in WebGPU
MLGruCellOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGruOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLInstanceNormalizationOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLLstmCellOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLLstmOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLPool2dOptions.
layout
(WebIDL dictionary member) §- Defined in Web Neural Network API
VideoFrameBufferInit.
layout
(WebIDL dictionary member) §- Defined in WebCodecs
VideoFrameCopyToOptions.
layout
(WebIDL dictionary member) §- Defined in WebCodecs
XRCompositionLayer.
layout
(WebIDL attribute) §- Defined in WebXR Layers API 1
XRLayerInit.
layout
(WebIDL dictionary member) §- Defined in WebXR Layers API 1
XRMediaLayerInit.
layout
(WebIDL dictionary member) §- Defined in WebXR Layers API 1
layout containment (concept) §
- Defined in CSS Containment 1 , CSS Containment 2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Anchor Positioning, CSS Grid Layout 2, CSS Regions 1
layout shift value (concept) §
- Defined in Layout Instability
layout viewport (concept) §
- Defined in CSSOM View
- Referenced in CSS Positioned Layout 3, CSS View Transitions 1
<layout-box>
(CSS type) §- Defined in CSS Box Model 3 , CSS Box Model 4
- Related terms: CSS value
border-box
, CSS valuecontent-box
, CSS valuemargin-box
, CSS valuepadding-box
layout-internal (concept) §
- Defined in CSS Display 4 , CSS Display 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
layout()
(CSS value fordisplay
) §- Defined in CSS Layout API 1
layoutchange (concept) §
- Defined in Keyboard Map
layoutchange
(event forKeyboard
) §- Defined in Keyboard Map
LayoutChild
(WebIDL interface) §- Defined in CSS Layout API 1
- Related terms:
LayoutChild.
[[box]]
,undefined
[[styleMap]]
,LayoutChild.
[[unique id]]
,LayoutChild.
intrinsicSizes()
,LayoutChild.
layoutNextFragment(constraints, breakToken)
- see also WebIDLPedia
[[layoutChildMap]]
(internal slot forbox
) §- Defined in CSS Layout API 1
LayoutConstraints
(WebIDL interface) §- Defined in CSS Layout API 1
- Related terms:
LayoutConstraints.
availableBlockSize
,LayoutConstraints.
availableInlineSize
,LayoutConstraints.
blockFragmentationOffset
,LayoutConstraints.
blockFragmentationType
,LayoutConstraints.
data
,LayoutConstraints.
fixedBlockSize
,LayoutConstraints.
fixedInlineSize
,LayoutConstraints.
percentageBlockSize
,LayoutConstraints.
percentageInlineSize
- see also WebIDLPedia
LayoutConstraintsOptions
(WebIDL dictionary) §- Defined in CSS Layout API 1
- Related terms:
LayoutConstraintsOptions.
availableBlockSize
,LayoutConstraintsOptions.
availableInlineSize
,LayoutConstraintsOptions.
blockFragmentationOffset
,LayoutConstraintsOptions.
blockFragmentationType
,LayoutConstraintsOptions.
data
,LayoutConstraintsOptions.
fixedBlockSize
,LayoutConstraintsOptions.
fixedInlineSize
,LayoutConstraintsOptions.
percentageBlockSize
,LayoutConstraintsOptions.
percentageInlineSize
- see also WebIDLPedia
LayoutEdges
(WebIDL interface) §- Defined in CSS Layout API 1
- Related terms:
LayoutEdges.
block
,LayoutEdges.
blockEnd
,LayoutEdges.
blockStart
,LayoutEdges.
inline
,LayoutEdges.
inlineEnd
,LayoutEdges.
inlineStart
- see also WebIDLPedia
LayoutFragment
(WebIDL interface) §- Defined in CSS Layout API 1
- Related terms:
LayoutFragment.
blockOffset
,LayoutFragment.
blockSize
,LayoutFragment.
breakToken
,LayoutFragment.
data
,LayoutFragment.
inlineOffset
,LayoutFragment.
inlineSize
,LayoutFragment.
[[unique id]]
- see also WebIDLPedia
LayoutChild.
layoutNextFragment(constraints, breakToken)
(WebIDL operation) §- Defined in CSS Layout API 1
LayoutOptions
(WebIDL dictionary) §- Defined in CSS Layout API 1
- Related terms:
LayoutOptions.
childDisplay
,LayoutOptions.
sizing
- see also WebIDLPedia
LayoutShift
(WebIDL interface) §- Defined in Layout Instability
- Referenced in Timing Entry Names Registry
- Related terms:
LayoutShift.
hadRecentInput
,LayoutShift.
lastInputTime
,LayoutShift.
sources
,LayoutShift.
value
,LayoutShift.
toJSON()
- see also WebIDLPedia
LayoutShiftAttribution
(WebIDL interface) §- Defined in Layout Instability
- Related terms:
LayoutShiftAttribution.
currentRect
,LayoutShiftAttribution.
node
,LayoutShiftAttribution.
previousRect
- see also WebIDLPedia
LayoutSizingMode
(WebIDL enumeration) §- Defined in CSS Layout API 1
- Related terms: value
block-like
, valuemanual
- see also WebIDLPedia
layoutWorklet
(WebIDL attribute forCSS
) §- Defined in CSS Layout API 1
LayoutWorkletGlobalScope
(WebIDL interface) §- Defined in CSS Layout API 1
- Related terms:
LayoutWorkletGlobalScope.
registerLayout(name, layoutCtor)
- see also WebIDLPedia
lazy
(value forloading
attribute ofiframe
element,loading
attribute ofimg
element ) §- Defined in HTML
LCH
(CSS value forlch()
) §- Defined in CSS Color 4
- Referenced in CSS Color 5
lch()
(CSS function) §- Defined in CSS Color 4 , CSS Color 5
- Referenced in CSS Typed OM 1
- Related terms: CSS value
alpha
, CSS valuec
, CSS valueh
, CSS valuel
, CSS valueLCH
<leader-type>
(CSS type) §- Defined in CSS Generated Content 3
leader()
(CSS function for<content-list>
,content
property ) §- Defined in CSS Generated Content 3
leader()
(CSS function) §- Defined in CSS Generated Content 3
- Related terms: CSS value
dotted
, CSS valuesolid
, CSS valuespace
leading
(CSS value for<<text-edge>>
,line-fit-edge
property ) §- Defined in CSS Inline Layout 3
leading
(CSS value forinitial-letter-align
) §- Defined in CSS Inline Layout 3
leading surrogate (concept) §
- Defined in Infra
- Referenced in Encoding
leading surrogate (concept for
ECMAScript
) §- Defined in ECMAScript
- Referenced in RegExp.escape
MLOpSupportLimits.
leakyRelu
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
leakyRelu(input, options)
(WebIDL operation) §- Defined in Web Neural Network API
least Relation (concept for
ECMAScript
) §- Defined in ECMAScript
"leave"
(value forSmartCardDisposition
WebIDL enumeration) §- Defined in Web Smart Card API
- Defined in Protected Audience
LeaveCriticalSection
(algorithm) §- Defined in ECMAScript
leavepictureinpicture
(event forHTMLVideoElement
) §- Defined in Picture-in-Picture
ledger
(CSS value for<page-size>
) §- Defined in CSS Paged Media 3
:left
(CSS value for@page
) §- Defined in CSS Paged Media 3
- Referenced in CSS Syntax 3
:left (concept) §
- Defined in CSS 2.1
:left
(CSS selector) §- Defined in CSS 2.2
<left>
(CSS type forclip
) §- Defined in CSS Masking 1
<left>
(CSS type) §- Defined in CSS 2.1 , CSS 2.2
- Related terms: CSS value
auto
left
(CSS value forborder-limit
) §- Defined in CSS Borders and Box Decorations 4
"left"
(value forCanvasTextAlign
WebIDL enumeration) §- Defined in HTML
"left"
(value forGamepadHand
WebIDL enumeration) §- Defined in Gamepad Extensions
left
(CSS value forjustify-content
,justify-items
property,justify-self
property ) §- Defined in CSS Box Alignment 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value for<position-area>
,position-area
property ) §- Defined in CSS Anchor Positioning
left
(CSS value foranchor()
) §- Defined in CSS Anchor Positioning
left
(CSS value forbackground-position
) §- Defined in CSS Backgrounds 3 , CSS 2.2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value forbreak-after
,break-before
property ) §- Defined in CSS Fragmentation 3 , CSS Fragmentation 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Paged Media 3
left
(CSS value forstuck
descriptor of@container
@rule ) §- Defined in CSS Conditional 5
left
(CSS value forscrollable
descriptor of@container
@rule ) §- Defined in CSS Conditional 5
- Defined in CSS Spatial Navigation 1
- Defined in CSS Overflow 5
left
(CSS value forfloat
) §- Defined in CSS Page Floats , CSS 2.2
left
(CSS value forclear
) §- Defined in CSS Page Floats , CSS 2.2
left
(CSS property) §- Defined in CSS Positioned Layout 3 , CSS 2.1 , CSS 2.2
- Referenced in HTML, CSS Box Alignment 3, CSS Anchor Positioning, CSS Animations 1, CSS Containment 2, CSS Easing Functions 2, CSS Grid Layout 1, CSS Grid Layout 2, CSS Logical Properties 1, CSS Scroll Anchoring 1, CSS Speech 1, CSS Table 3, CSS Transitions, CSS Typed OM 1, CSS User Interface 3, CSS User Interface 4, CSS Values 4, CSSOM, WebVTT: The Web Video Text Tracks Format
- Related terms: CSS value
auto
, CSS value<length>
, CSS value<percentage>
left
(CSS value forvoice-balance
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value fortext-align
) §- Defined in CSS Text 3 , CSS Text 4 , CSS 2.2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, WebVTT: The Web Video Text Tracks Format
left
(CSS value fortext-group-align
) §- Defined in CSS Text 4
left
(CSS value fortext-underline-position
) §- Defined in CSS Text Decoration 3 , CSS Text Decoration 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value fortext-emphasis-position
) §- Defined in CSS Text Decoration 3 , CSS Text Decoration 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value fortransform-origin
) §- Defined in CSS Transforms 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
left
(CSS value forperspective-origin
) §- Defined in CSS Transforms 2
left
(CSS value for<position>
) §- Defined in CSS Values 5
- Referenced in CSS Shapes 2
left
(CSS value forpage-break-after
,page-break-before
property,page-break-inside
property ) §- Defined in CSS 2.2
left (concept for supported open() feature name ) §
- Defined in CSSOM View
"left"
(value forVideoFacingModeEnum
WebIDL enumeration) §- Defined in Media Capture and Streams
"left"
(value forAlignSetting
WebIDL enumeration) §- Defined in WebVTT: The Web Video Text Tracks Format
"left"
(value forXREye
WebIDL enumeration) §- Defined in WebXR Device API
- Referenced in WebXR Layers API 1
"left"
(value forXRHandedness
WebIDL enumeration) §- Defined in WebXR Device API
CSSPositionTryDescriptors.
left
(WebIDL attribute) §- Defined in CSS Anchor Positioning
left
(WebIDL attribute forDOMRectReadOnly DOMRect
) §- Defined in Geometry Interfaces 1
DOMRectReadOnly.
left
(WebIDL attribute) §- Defined in Geometry Interfaces 1
ScreenDetailed.
left
(WebIDL attribute) §- Defined in Window Management
ScrollToOptions.
left
(WebIDL dictionary member) §- Defined in CSSOM View
Left Page (concept) §
- Defined in CSS Paged Media 3
@left-bottom
(CSS @rule) §- Defined in CSS Paged Media 3
left-capturing parenthesis (concept for
ECMAScript
) §- Defined in ECMAScript
- Referenced in Regular Expression Pattern Modifiers for ECMAScript
@left-middle
(CSS @rule) §- Defined in CSS Paged Media 3
left-to-right (concept) §
- Defined in Internationalization Glossary
@left-top
(CSS @rule) §- Defined in CSS Paged Media 3
leftmargin
(markup attribute forbody
) §- Defined in HTML
GamepadEffectParameters.
leftTrigger
(WebIDL dictionary member) §- Defined in Gamepad
leftwards
(CSS value forvoice-balance
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
legacy
(CSS value forjustify-items
) §- Defined in CSS Box Alignment 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
legacy
(CSS value formin-intrinsic-sizing
) §- Defined in CSS Sizing 4
legacy callback interface object (concept) §
- Defined in Web IDL
Legacy character encodings (concept) §
- Defined in Internationalization Glossary
legacy color syntax (concept) §
- Defined in CSS Color 4
- Referenced in CSS Color 5
legacy extract an encoding (concept) §
- Defined in Fetch
- Referenced in HTML
legacy factory function (concept) §
- Defined in Web IDL
legacy name alias (concept) §
- Defined in CSS Cascading 4 , CSS Cascading 5
- Referenced in Compatibility, CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Flexbox 1, CSS Fonts 4, CSS Text 3, CSS Text 4, CSS User Interface 4
Legacy platform objects (concept) §
- Defined in Web IDL
- Referenced in HTML
legacy shorthand (concept) §
- Defined in CSS Cascading 4 , CSS Cascading 5
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Fragmentation 3, CSS Fragmentation 4
legacy value alias (concept for
CSS
) §- Defined in CSS Cascading 4 , CSS Cascading 5
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Overflow 3, CSS Text 3, CSS Text 4
legacy-canceled-activation behavior (concept for
EventTarget
) §- Defined in DOM
- Referenced in HTML
legacy-clone a traversable storage shed (concept) §
- Defined in Storage
- Referenced in HTML
<legacy-device-cmyk-syntax>
(CSS type) §- Defined in CSS Color 5
<legacy-hsl-syntax>
(CSS type) §- Defined in CSS Color 4
<legacy-hsla-syntax>
(CSS type) §- Defined in CSS Color 4
legacy-obtain service worker fetch event listener callbacks (concept) §
- Defined in DOM
- Referenced in Service Workers
legacy-pre-activation behavior (concept for
EventTarget
) §- Defined in DOM
- Referenced in HTML
<legacy-pseudo-element-selector>
(CSS type) §- Defined in Selectors 4
<legacy-rgb-syntax>
(CSS type) §- Defined in CSS Color 4
<legacy-rgba-syntax>
(CSS type) §- Defined in CSS Color 4
LegacyFactoryFunction
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in HTML
LegacyLenientSetter
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in Fullscreen API
LegacyLenientThis
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in HTML
LegacyNamespace
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in WebAssembly JavaScript Interface: Content Security Policy, WebAssembly JavaScript Interface: ESM Integration, WebAssembly JavaScript Interface: Exception Handling, WebAssembly JavaScript Interface: Promise Integration, WebAssembly JavaScript Interface: JS String Builtins, WebAssembly JavaScript Interface: Type Reflection, WebAssembly JavaScript Interface
LegacyNoInterfaceObject
(WebIDL extended attribute) §- Defined in Web IDL
LegacyNullToEmptyString
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in DOM, HTML, CSS Fonts 4, CSSOM, Trusted Types
LegacyOverrideBuiltIns
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in HTML
LegacyPlatformObjectGetOwnProperty
(algorithm) §- Defined in Web IDL
- Referenced in HTML
LegacyTreatNonObjectAsNull
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in HTML
LegacyUnenumerableNamedProperties
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in DOM, HTML
LegacyUnforgeable
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in DOM, HTML, EPUB Reading Systems 3.3
LegacyWindowAlias
(WebIDL extended attribute) §- Defined in Web IDL
- Referenced in URL, Geometry Interfaces 1
legal
(CSS value for<page-size>
) §- Defined in CSS Paged Media 3
legend
(markup element) §- Defined in HTML
- Referenced in CSS Display 4, CSS Display 3, HTML Accessibility API Mappings 1.0, ARIA in HTML, WAI-ARIA, WAI-ARIA
- Related terms: markup attribute
align
lemonchiffon (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lemonchiffon
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
AudioBuffer.
[[length]]
(internal slot) §AudioBuffer.
[[length]]
(internal slot) §AudioBuffer.
[[length]]
(internal slot) §AudioBuffer.
[[length]]
(internal slot) §- Defined in Web Audio API , Web Audio API , Web Audio API 1.1 , Web Audio API 1.1
<length>
(CSS value forbottom
,inset
property,inset-block
property,inset-block-end
property,inset-block-start
property,inset-inline
property,inset-inline-end
property,inset-inline-start
property,left
property,right
property,top
property ) §- Defined in CSS Positioned Layout 3 , CSS 2.2
<length>
(CSS value forword-spacing
) §- Defined in CSS Text 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
<length>
(CSS value forletter-spacing
) §- Defined in CSS Text 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
<length>
(CSS value fortext-indent
) §- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
<length>
(CSS type) §- Defined in CSS Values 3 , CSS Values 4 , CSS 2.1 , CSS 2.2
- Referenced in CSS Borders and Box Decorations 4, CSS Conditional Values 1, CSS Environment Variables 1, CSS Extensions, Quirks Mode, Window Controls Overlay, CSS Anchor Positioning, CSS Backgrounds 3, CSS Cascading 4, CSS Cascading 5, CSS Conditional 5, CSS Grid Layout 1, CSS Grid Layout 2, CSS Images 3, CSS Inline Layout 3, CSS Overflow 3, CSS Overflow 4, CSS Paged Media 3, CSS Page Floats, CSS Properties and Values API 1, CSS Rhythmic Sizing, CSS Scroll Snap 1, CSS Shapes 1, CSS Sizing 3, CSS Sizing 4, CSS Table 3, CSS Text 3, CSS Text 4, CSS Text Decoration 3, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS Typed OM 1, CSS User Interface 4, CSSOM, Filter Effects 1, Geometry Interfaces 1, Media Queries 4, Media Queries 5, VirtualKeyboard API
- Related terms: concept advance measure, CSS value
cap
, CSS valuech
, CSS valuecm
, CSS valuedvb
, CSS valuedvh
, CSS valuedvi
, CSS valuedvmax
, CSS valuedvmin
, CSS valuedvw
, CSS valueem
, CSS valueex
, CSS valueic
, CSS valuein
, CSS valuelh
, CSS valuelvb
, CSS valuelvh
, CSS valuelvi
, CSS valuelvmax
, CSS valuelvmin
, CSS valuelvw
, CSS valuemm
, CSS valuepc
, CSS valuept
, CSS valuepx
, CSS valueQ
, CSS valuercap
, CSS valuerch
, CSS valuerem
, CSS valuerex
, CSS valueric
, CSS valuerlh
, CSS valuesvb
, CSS valuesvh
, CSS valuesvi
, CSS valuesvmax
, CSS valuesvmin
, CSS valuesvw
, CSS valuevb
, CSS valuevh
, CSS valuevi
, CSS valuevmax
, CSS valuevmin
, CSS valuevw
<length>
(CSS value for<padding-width>
) §- Defined in CSS 2.2
<length>
(CSS value for<border-width>
,border-bottom-width
property,border-left-width
property,border-right-width
property,border-top-width
property,border-width
property ) §- Defined in CSS 2.2
<length>
(CSS value forvertical-align
) §- Defined in CSS 2.2
length (concept for
Node
) §- Defined in DOM
- Referenced in execCommand, URL Fragment Text Directives, Selection API
length (concept for body ) §
- Defined in Fetch
- Referenced in WebDriver BiDi, XMLHttpRequest
length (concept for byte sequence ) §
- Defined in Infra
- Referenced in Fetch, File System, MIME Sniffing, Streams, Source Map, Web NFC API, Web IDL, Background Fetch, Cookie Store API, Private State Token API, Protected Audience, Indexed DB 3.0, WebGPU, Web Neural Network API, WebTransport, XMLHttpRequest
length (concept for ASCII string, string , isomorphic string , scalar value string ) §
- Defined in Infra
- Referenced in DOM, HTML, Private Aggregation API, Private Click Measurement, URL, URL Pattern, WebAssembly JavaScript Interface: JS String Builtins, Attribution Reporting, Cookie Store API, File System Access, Local Font Access, URL Fragment Text Directives, Shared Storage API, Protected Audience, CSS Properties and Values API 1, Referrer Policy, WebDriver BiDi, WebDriver
"length"
(value forCSSNumericBaseType
WebIDL enumeration) §- Defined in CSS Typed OM 1
%TypedArray%.
length
(WebIDL attribute) §- Defined in ECMAScript
AesCtrParams.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
AesDerivedKeyParams.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
AesKeyAlgorithm.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
AesKeyGenParams.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
AISummarizer.
length
(WebIDL attribute) §- Defined in Writing Assistance APIs
AISummarizerCreateCoreOptions.
length
(WebIDL dictionary member) §- Defined in Writing Assistance APIs
AnimationNodeList.
length
(WebIDL attribute) §- Defined in Web Animations 2
AudioBufferOptions.
length
(WebIDL dictionary member) §AudioBufferOptions.
length
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
AudioTrackList.
length
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
CharacterData.
length
(WebIDL attribute) §- Defined in DOM
- Referenced in execCommand
CSSKeyframesRule.
length
(WebIDL attribute) §- Defined in CSS Animations 1
CSSNumericArray.
length
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSNumericType.
length
(WebIDL dictionary member) §- Defined in CSS Typed OM 1
CSSPerspective.
length
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSRuleList.
length
(WebIDL attribute) §- Defined in CSSOM
CSSStyleDeclaration.
length
(WebIDL attribute) §- Defined in CSSOM
CSSTransformValue.
length
(WebIDL attribute) §- Defined in CSS Typed OM 1
CSSUnparsedValue.
length
(WebIDL attribute) §- Defined in CSS Typed OM 1
DataTransferItemList.
length
(WebIDL attribute) §- Defined in HTML
DOMRectList.
length
(WebIDL attribute) §- Defined in Geometry Interfaces 1
DOMStringList.
length
(WebIDL attribute) §- Defined in HTML
DOMTokenList.
length
(WebIDL attribute) §- Defined in DOM
FileList.
length
(WebIDL attribute) §- Defined in File API
FontFacePalette.
length
(WebIDL attribute) §- Defined in CSS Font Loading 3
FontFacePalettes.
length
(WebIDL attribute) §- Defined in CSS Font Loading 3
GPUCompilationMessage.
length
(WebIDL attribute) §- Defined in WebGPU
History.
length
(WebIDL attribute) §- Defined in HTML
- Referenced in Fenced Frame
HmacImportParams.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
HmacKeyAlgorithm.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
HmacKeyGenParams.
length
(WebIDL dictionary member) §- Defined in Web Cryptography API
HTMLAllCollection.
length
(WebIDL attribute) §- Defined in HTML
HTMLCollection.
length
(WebIDL attribute) §- Defined in DOM
- Referenced in HTML
HTMLFormElement.
length
(WebIDL attribute) §- Defined in HTML
HTMLOptionsCollection.
length
(WebIDL attribute) §- Defined in HTML
HTMLSelectElement.
length
(WebIDL attribute) §- Defined in HTML
ImageTrackList.
length
(WebIDL attribute) §- Defined in WebCodecs
MediaList.
length
(WebIDL attribute) §- Defined in CSSOM
MimeTypeArray.
length
(WebIDL attribute) §- Defined in HTML
NamedNodeMap.
length
(WebIDL attribute) §- Defined in DOM
NodeList.
length
(WebIDL attribute) §- Defined in DOM
OfflineAudioContext.
length
(WebIDL attribute) §OfflineAudioContext.
length
(WebIDL attribute) §- Defined in Web Audio API , Web Audio API 1.1
OfflineAudioContextOptions.
length
(WebIDL dictionary member) §OfflineAudioContextOptions.
length
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
Plugin.
length
(WebIDL attribute) §- Defined in HTML
PluginArray.
length
(WebIDL attribute) §- Defined in HTML
SourceBufferList.
length
(WebIDL attribute) §- Defined in Media Source Extensions™
SpeechGrammarList.
length
(WebIDL attribute) §- Defined in Web Speech API
SpeechRecognitionResult.
length
(WebIDL attribute) §- Defined in Web Speech API
SpeechRecognitionResultList.
length
(WebIDL attribute) §- Defined in Web Speech API
Storage.
length
(WebIDL attribute) §- Defined in HTML
StyleSheetList.
length
(WebIDL attribute) §- Defined in CSSOM
Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §Table.
length
(WebIDL attribute) §- Defined in WebAssembly JavaScript Interface: Content Security Policy , WebAssembly JavaScript Interface: ESM Integration , WebAssembly JavaScript Interface: Exception Handling , WebAssembly JavaScript Interface: Promise Integration , WebAssembly JavaScript Interface: JS String Builtins , WebAssembly JavaScript Interface: Type Reflection , WebAssembly JavaScript Interface: Threading , WebAssembly JavaScript Interface
TextTrackCueList.
length
(WebIDL attribute) §- Defined in HTML
TextTrackList.
length
(WebIDL attribute) §- Defined in HTML
TimeRanges.
length
(WebIDL attribute) §- Defined in HTML
TouchList.
length
(WebIDL attribute) §- Defined in Touch Events
VideoTrackList.
length
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Source Extensions™
Window.
length
(WebIDL attribute) §- Defined in HTML
XRInputSourceArray.
length
(WebIDL attribute) §- Defined in WebXR Device API
<length [0,∞]>
(CSS value for<radial-size>
,radial-gradient()
function,repeating-radial-gradient()
function ) §- Defined in CSS Images 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
<length-percentage>
(CSS value forword-spacing
) §- Defined in CSS Text 4
<length-percentage>
(CSS value forletter-spacing
) §- Defined in CSS Text 4
<length-percentage>
(CSS type) §- Defined in CSS Values 3 , CSS Values 4
- Referenced in CSS Backgrounds 4, CSS Borders and Box Decorations 4, CSS Gap Decorations 1, CSS Shapes 2, CSS Box Alignment 3, CSS Anchor Positioning, CSS Backgrounds 3, CSS Box Model 4, CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Flexbox 1, CSS Fonts 4, CSS Grid Layout 1, CSS Grid Layout 2, CSS Grid Layout 3, CSS Images 3, CSS Inline Layout 3, CSS Overflow 3, CSS Overflow 4, CSS Page Floats, CSS Positioned Layout 3, CSS Properties and Values API 1, CSS Scroll Snap 1, CSS Shapes 1, CSS Sizing 3, CSS Text 3, CSS Text 4, CSS Text Decoration 4, CSS Transforms 1, CSS Transforms 2, CSS Typed OM 1, Filter Effects 1, Scroll-driven Animations
- Defined in Shared Storage API
lengthAdjust
(markup attribute fortext
) §- Defined in SVG 2
SVGTextContentElement.
lengthAdjust
(WebIDL attribute) §- Defined in SVG 2
SVGTextContentElement.
LENGTHADJUST_SPACING
(WebIDL constant) §- Defined in SVG 2
SVGTextContentElement.
LENGTHADJUST_SPACINGANDGLYPHS
(WebIDL constant) §- Defined in SVG 2
SVGTextContentElement.
LENGTHADJUST_UNKNOWN
(WebIDL constant) §- Defined in SVG 2
ProgressEvent.
lengthComputable
(WebIDL attribute) §- Defined in XMLHttpRequest
- Referenced in HTML, Writing Assistance APIs
ProgressEventInit.
lengthComputable
(WebIDL dictionary member) §- Defined in XMLHttpRequest
LengthOfArrayLike
(algorithm) §- Defined in ECMAScript
less
(CSS value forprefers-contrast
descriptor of@media
@rule ) §- Defined in Media Queries 5
"less"
(value forGPUCompareFunction
WebIDL enumeration) §- Defined in WebGPU
less public (concept for IP address space ) §
- Defined in Private Network Access
"less-equal"
(value forGPUCompareFunction
WebIDL enumeration) §- Defined in WebGPU
MLOpSupportLimits.
lesser
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
lesser(a, b, options)
(WebIDL operation) §- Defined in Web Neural Network API
MLOpSupportLimits.
lesserOrEqual
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
lesserOrEqual(a, b, options)
(WebIDL operation) §- Defined in Web Neural Network API
letter
(CSS value for<page-size>
) §- Defined in CSS Paged Media 3
letter (concept) §
- Defined in CSS Syntax 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Ruby Annotation Layout 1, CSS Text Decoration 4, CSS Transforms 1
letter-spacing
(CSS property) §- Defined in CSS Text 3 , CSS Text 4 , CSS 2.1 , CSS 2.2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Fonts 4, CSS Inline Layout 3, CSS Lists 3, CSS Text Decoration 4, CSS Typed OM 1, CSS Values 4, CSS Writing Modes 3, CSS Writing Modes 4, Filter Effects 1
- Related terms: CSS value
<length>
, CSS value<length-percentage>
, CSS valuenormal
CanvasTextDrawingStyles.
letterSpacing
(WebIDL attribute) §- Defined in HTML
BatteryManager.
level
(WebIDL attribute) §- Defined in Battery Status API
levels (concept) §
- Defined in CSS Snapshot 2022 , CSS Snapshot 2023
LexicalEnvironment (concept for
ECMAScript Code Execution Contexts
) §- Defined in ECMAScript
lexicographic code unit order (concept for
ECMAScript
) §- Defined in ECMAScript
- Referenced in ECMAScript Internationalization API, Intl Locale Info, Temporal
lh
(CSS value for<length>
) §- Defined in CSS Values 4
- Referenced in CSS Properties and Values API 1, CSS Pseudo-Elements 4
lh(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
li
(markup element) §- Defined in HTML
- Referenced in execCommand, CSS Anchor Positioning, CSS Lists 3, EPUB 3.3, HTML Accessibility API Mappings 1.0, ARIA in HTML, Publication Manifest, Selectors 4, WAI-ARIA, WAI-ARIA
- Related terms: markup attribute
type
, markup attributevalue
liaison (concept) §
- Defined in W3C Process Document
license
(value forrel
attribute ofa
,rel
attribute ofarea
element,rel
attribute ofform
element,rel
attribute oflink
element ) §- Defined in HTML
"license-release"
(value forMediaKeyMessageType
WebIDL enumeration) §- Defined in Encrypted Media Extensions
"license-renewal"
(value forMediaKeyMessageType
WebIDL enumeration) §- Defined in Encrypted Media Extensions
"license-request"
(value forMediaKeyMessageType
WebIDL enumeration) §- Defined in Encrypted Media Extensions
Lifecycle events (concept for service worker ) §
- Defined in Service Workers
Global.
lifecycleError
(WebIDL attribute) §- Defined in MiniApp Lifecycle
LifecycleError
(WebIDL interface) §- Defined in MiniApp Lifecycle
- Related terms:
LifecycleError.
dir
,LifecycleError.
errorDescription
,LifecycleError.
lang
- see also WebIDLPedia
Client.
lifecycleState
(WebIDL attribute) §- Defined in Page Lifecycle
lifecycleState
(WebIDL attribute forServiceWorkerClient
) §- Defined in Page Lifecycle
lifetime (concept for
blob url
) §- Defined in File API
lifetime (concept for permission ) §
- Defined in Permissions
AuctionAdInterestGroup.
lifetimeMs
(WebIDL dictionary member) §- Defined in Protected Audience
StorageInterestGroup.
lifetimeRemainingMs
(WebIDL dictionary member) §- Defined in Protected Audience
light
(CSS value forcolor-scheme
) §- Defined in CSS Color Adjustment 1
- Referenced in CSS Color 5
light
(CSS value forfont-palette
) §- Defined in CSS Fonts 4
- Referenced in CSS Snapshot 2023
light
(CSS value forbase-palette
) §- Defined in CSS Fonts 4
- Referenced in CSS Snapshot 2023
light
(CSS value forprefers-color-scheme
descriptor of@media
@rule ) §- Defined in Media Queries 5
light color scheme (concept) §
- Defined in CSS Color Adjustment 1
- Referenced in CSS User Interface 4
light tree (concept) §
- Defined in DOM
- Referenced in CSS Cascading 4, CSS Cascading 5, CSS Scoping 1
light-dark()
(CSS function) §- Defined in CSS Color 5
lightblue (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightblue
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightcoral (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightcoral
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightcyan (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightcyan
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lighten
(CSS value for<blend-mode>
) §- Defined in Compositing 2 , Compositing 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lighter
(CSS value forfont-weight
) §- Defined in CSS Fonts 4 , CSS 2.2
- Referenced in CSS Snapshot 2023
lighter
(value foroperator
attribute offeComposite
) §- Defined in Filter Effects 1
lightgoldenrodyellow (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightgoldenrodyellow
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightgray (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightgray
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightgreen (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightgreen
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightgrey (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightgrey
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lighting-color
(CSS property) §- Defined in Filter Effects 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Color Adjustment 1
lightpink (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightpink
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightsalmon (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightsalmon
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightseagreen (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightseagreen
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightskyblue (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightskyblue
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightslategray (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightslategray
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightslategrey (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightslategrey
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightsteelblue (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightsteelblue
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lightyellow (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lightyellow
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
lime (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lime
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4 , CSS 2.2
- Referenced in Compositing 1, CSS Color 5
limegreen (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
limegreen
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
limited-quirks mode (concept) §
- Defined in DOM
- Referenced in HTML, Quirks Mode
limited-srgb
(value forcolorspace
attribute ofinput
element ) §- Defined in HTML
limitingConeAngle
(markup attribute forfeSpotLight
) §- Defined in Filter Effects 1
SVGFESpotLightElement.
limitingConeAngle
(WebIDL attribute) §- Defined in Filter Effects 1
[[limits]]
(internal slot foradapter
) §- Defined in WebGPU
[[limits]]
(internal slot fordevice
) §- Defined in WebGPU
GPUAdapter.
limits
(WebIDL attribute) §- Defined in WebGPU
GPUDevice.
limits
(WebIDL attribute) §- Defined in WebGPU
line
(CSS value forshape()
) §- Defined in CSS Shapes 2
line
(CSS value forfootnote-policy
) §- Defined in CSS GCPM 3
"line"
(value forBreakType
WebIDL enumeration) §- Defined in CSS Layout API 1
line
(CSS value forwrap-after
,wrap-before
property ) §- Defined in CSS Text 4
line
(markup element) §- Defined in SVG 2
- Related terms: markup attribute
requiredExtensions
, markup attributesystemLanguage
, markup attributex1
, markup attributex2
, markup attributey1
, markup attributey2
ProfilerFrame.
line
(WebIDL dictionary member) §- Defined in JS Self-Profiling API
VTTCue.
line
(WebIDL attribute) §- Defined in WebVTT: The Web Video Text Tracks Format
line box (concept) §
- Defined in CSS Inline Layout 3
- Referenced in CSS Overflow 3, CSS Overflow 4, CSS Positioned Layout 3, CSS Pseudo-Elements 4, CSS Ruby Annotation Layout 1, CSS Text 3, CSS Text 4
line box (concept) §
- Defined in CSS 2.1
- Referenced in CSS Fragmentation 3
line break (concept) §
- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Fragmentation 3, CSS Fragmentation 4
line breaking process (concept) §
- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
line join shape (concept) §
- Defined in CSS Fill and Stroke 3
line join shape (concept) §
- Defined in SVG Strokes
line join shape (concept) §
- Defined in SVG 2
line name (concept) §
- Defined in CSS Grid Layout 1 , CSS Grid Layout 2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
line number (concept for violation ) §
- Defined in Content Security Policy 3
line orientation (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3
line-break
(CSS property) §- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
- Related terms: CSS value
anywhere
, CSS valueauto
, CSS valueloose
, CSS valuenormal
, CSS valuestrict
line-clamp
(CSS property) §- Defined in CSS Overflow 4
- Referenced in CSS Overflow 3, CSS Text 4
- Related terms: CSS value
<block-ellipsis>
, CSS valuenone
<line-color-list>
(CSS type) §- Defined in CSS Gap Decorations 1
<line-color-or-repeat>
(CSS type) §- Defined in CSS Gap Decorations 1
<line-command>
(CSS type forshape()
) §- Defined in CSS Shapes 2
line-fit-edge
(CSS property) §- Defined in CSS Inline Layout 3
- Related terms: CSS value
alphabetic
, CSS valuecap
, CSS valueex
, CSS valueideographic
, CSS valueideographic-ink
, CSS valueleading
, CSS valuetext
line-gap-override
(CSS descriptor for@font-face
) §- Defined in CSS Fonts 4 , CSS Fonts 5
CSSFontFaceDescriptors.
line-gap-override
(WebIDL attribute) §- Defined in CSS Fonts 4
line-grid
(CSS property) §- Defined in CSS Line Grid 1
- Referenced in CSS Rhythmic Sizing, CSS Typed OM 1
- Related terms: CSS value
create
, CSS valuematch-parent
line-height
(CSS property) §- Defined in CSS Inline Layout 3 , CSS 2.1 , CSS 2.2
- Referenced in HTML, Quirks Mode, CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Conditional 5, CSS Fonts 4, CSS Fonts 5, CSS Overflow 4, CSS Properties and Values API 1, CSS Pseudo-Elements 4, CSS Rhythmic Sizing, CSS Ruby Annotation Layout 1, CSS Typed OM 1, CSS Values 3, CSS Values 4, CSS Viewport 1, CSS Writing Modes 3, CSS Writing Modes 4, CSSOM, WebVTT: The Web Video Text Tracks Format
- Related terms: CSS value
normal
line-height-step
(CSS property) §- Defined in CSS Rhythmic Sizing
- Referenced in CSS Line Grid 1, CSS Typed OM 1
line-left (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Inline Layout 3, CSS Overflow 4, CSS Text 3, CSS Text 4
"line-left"
(value forPositionAlignSetting
WebIDL enumeration) §- Defined in WebVTT: The Web Video Text Tracks Format
"line-list"
(value forGPUPrimitiveTopology
WebIDL enumeration) §- Defined in WebGPU
<line-name-list>
(CSS type) §- Defined in CSS Grid Layout 2
- Referenced in CSS Grid Layout 3
<line-names>
(CSS type) §- Defined in CSS Grid Layout 1 , CSS Grid Layout 2
- Referenced in CSS Grid Layout 3
line-over (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Inline Layout 3, CSS Positioned Layout 3, CSS Ruby Annotation Layout 1
line-padding
(CSS property) §- Defined in CSS Text 4
line-relative (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Logical Properties 1
line-relative direction (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
line-right (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Inline Layout 3, CSS Overflow 4, CSS Text 3, CSS Text 4
"line-right"
(value forPositionAlignSetting
WebIDL enumeration) §- Defined in WebVTT: The Web Video Text Tracks Format
line-snap
(CSS property) §- Defined in CSS Line Grid 1
- Referenced in CSS Typed OM 1
- Related terms: CSS value
baseline
, CSS valuecontain
, CSS valuenone
"line-strip"
(value forGPUPrimitiveTopology
WebIDL enumeration) §- Defined in WebGPU
<line-style>
(CSS type) §- Defined in CSS Backgrounds 3
- Referenced in CSS Borders and Box Decorations 4, CSS Gap Decorations 1, CSS User Interface 4
- Related terms: CSS value
dashed
, CSS valuedotted
, CSS valuedouble
, CSS valuegroove
, CSS valuehidden
, CSS valueinset
, CSS valuenone
, CSS valueoutset
, CSS valueridge
, CSS valuesolid
<line-style-list>
(CSS type) §- Defined in CSS Gap Decorations 1
<line-style-or-repeat>
(CSS type) §- Defined in CSS Gap Decorations 1
line-through
(CSS value fortext-decoration-line
) §- Defined in CSS Text Decoration 3 , CSS Text Decoration 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
line-through
(CSS value fortext-decoration
) §- Defined in CSS 2.2
line-under (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Inline Layout 3, CSS Positioned Layout 3, CSS Ruby Annotation Layout 1
<line-width>
(CSS type) §- Defined in CSS Backgrounds 3
- Referenced in Compatibility, CSS Borders and Box Decorations 4, CSS Gap Decorations 1, CSS User Interface 4
- Related terms: CSS value
medium
, CSS valuethick
, CSS valuethin
<line-width-list>
(CSS type) §- Defined in CSS Gap Decorations 1
<line-width-or-repeat>
(CSS type) §- Defined in CSS Gap Decorations 1
VTTCue.
lineAlign
(WebIDL attribute) §- Defined in WebVTT: The Web Video Text Tracks Format
LineAlignSetting
(WebIDL enumeration) §- Defined in WebVTT: The Web Video Text Tracks Format
- Related terms: value
center
, valueend
, valuestart
- see also WebIDLPedia
LineAndPositionSetting
(WebIDL type alias) §- Defined in WebVTT: The Web Video Text Tracks Format
- see also WebIDLPedia
linear
(CSS value for<easing-function>
) §- Defined in CSS Easing Functions 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Easing Functions 2
linear
(value for type ) §- Defined in Filter Effects 1
"linear"
(value forDistanceModelType
WebIDL enumeration) §- Defined in Web Audio API , Web Audio API 1.1
"linear"
(value forVideoTransferCharacteristics
WebIDL enumeration) §- Defined in WebCodecs
"linear"
(value forGPUMipmapFilterMode
WebIDL enumeration) §- Defined in WebGPU
"linear"
(value forGPUFilterMode
WebIDL enumeration) §- Defined in WebGPU
"linear"
(value forMLInterpolationMode
WebIDL enumeration) §- Defined in Web Neural Network API
linear (concept for interpolation type ) §
- Defined in WebGPU Shading Language
- Referenced in WebGPU
MLOpSupportLimits.
linear
(WebIDL dictionary member) §- Defined in Web Neural Network API
linear easing function (concept) §
- Defined in CSS Easing Functions 2
- Referenced in Web Animations
linear-acceleration virtual sensor type (concept) §
- Defined in Device Orientation and Motion
- Referenced in Accelerometer
<linear-color-hint>
(CSS type) §- Defined in CSS Images 3 , CSS Images 4
<linear-color-stop>
(CSS type) §- Defined in CSS Images 3 , CSS Images 4
<linear-easing-function>
(CSS type) §- Defined in CSS Easing Functions 2
<linear-gradient-syntax>
(CSS type) §- Defined in CSS Images 3 , CSS Images 4
linear-gradient()
(CSS function) §- Defined in CSS Images 3
- Referenced in CSS Values 3, CSS Values 4
linear()
(CSS function) §- Defined in CSS Easing Functions 2
- Referenced in CSS Positioned Layout 4
linear() canonicalization (concept) §
- Defined in CSS Easing Functions 2
MLGraphBuilder.
linear(input, options)
(WebIDL operation) §- Defined in Web Neural Network API
GamepadPose.
linearAcceleration
(WebIDL attribute) §- Defined in Gamepad Extensions
LinearAccelerationSensor
(WebIDL interface) §- Defined in Accelerometer
- Related terms:
new
LinearAccelerationSensor(options)
- see also WebIDLPedia
new
LinearAccelerationSensor(options)
(WebIDL constructor) §- Defined in Accelerometer
linearGradient
(markup element) §- Defined in SVG 2
- Referenced in CSS Transforms 1, CSS Transforms 2
AudioParam.
linearRampToValueAtTime(value, endTime)
(WebIDL operation) §AudioParam.
linearRampToValueAtTime(value, endTime)
(WebIDL operation) §- Defined in Web Audio API , Web Audio API 1.1
linearRGB
(CSS value forcolor-interpolation-filters
) §- Defined in Filter Effects 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
GamepadPose.
linearVelocity
(WebIDL attribute) §- Defined in Gamepad Extensions
XRPose.
linearVelocity
(WebIDL attribute) §- Defined in WebXR Device API
CanvasPathDrawingStyles.
lineCap
(WebIDL attribute) §- Defined in HTML
CanvasPathDrawingStyles.
lineDashOffset
(WebIDL attribute) §- Defined in HTML
CSSFontFaceDescriptors.
lineGapOverride
(WebIDL attribute) §- Defined in CSS Fonts 4
FontFace.
lineGapOverride
(WebIDL attribute) §- Defined in CSS Font Loading 3
FontFaceDescriptors.
lineGapOverride
(WebIDL dictionary member) §- Defined in CSS Font Loading 3
CanvasPathDrawingStyles.
lineJoin
(WebIDL attribute) §- Defined in HTML
linen (concept) §
- Defined in CSS Color 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
linen
(CSS value for<color>
,<named-color>
type ) §- Defined in CSS Color 4
ErrorEvent.
lineno
(WebIDL attribute) §- Defined in HTML
ScriptingPolicyReportBody.
lineno
(WebIDL attribute) §- Defined in Scripting Policy
GPUCompilationMessage.
lineNum
(WebIDL attribute) §- Defined in WebGPU
CSPViolationReportBody.
lineNumber
(WebIDL attribute) §- Defined in Content Security Policy 3
DeprecationReportBody.
lineNumber
(WebIDL attribute) §- Defined in Deprecation Reporting
InterventionReportBody.
lineNumber
(WebIDL attribute) §- Defined in Intervention Reporting
PermissionsPolicyViolationReportBody.
lineNumber
(WebIDL attribute) §- Defined in Permissions Policy
SecurityPolicyViolationEvent.
lineNumber
(WebIDL attribute) §- Defined in Content Security Policy 3
SecurityPolicyViolationEventInit.
lineNumber
(WebIDL dictionary member) §- Defined in Content Security Policy 3
GPUCompilationMessage.
linePos
(WebIDL attribute) §- Defined in WebGPU
VTTRegion.
lines
(WebIDL attribute) §- Defined in WebVTT: The Web Video Text Tracks Format
linethickness
(markup attribute formfrac
) §- Defined in MathML Core
CanvasPath.
lineTo(x, y)
(WebIDL operation) §- Defined in HTML
CanvasPathDrawingStyles.
lineWidth
(WebIDL attribute) §- Defined in HTML
lining-nums
(CSS value forfont-variant-numeric
) §- Defined in CSS Fonts 4
- Referenced in CSS Snapshot 2023
:link
(CSS selector) §- Defined in CSS 2.2 , Selectors 3 , Selectors 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
link
(markup element) §- Defined in HTML
- Referenced in Client Hints Infrastructure, Loading Signed Exchanges, Web Application Manifest, Content Security Policy 3, CSS Conditional 3, CSS Values 5, HTML Accessibility API Mappings 1.0, ARIA in HTML, Image Resource, Media Session, MiniApp Manifest, Referrer Policy, Resource Timing, SVG 2, WAI-ARIA, WAI-ARIA
- Related terms: markup attribute
as
, markup attributeblocking
, markup attributecharset
, markup attributecolor
, markup attributecrossorigin
, markup attributedisabled
, markup attributefetchpriority
, markup attributehref
, markup attributehreflang
, markup attributeimagesizes
, markup attributeimagesrcset
, markup attributeintegrity
, markup attributemedia
, markup attributemethods
, markup attributereferrerpolicy
, markup attributerel
, markup attributerev
, markup attributesizes
, markup attributetarget
, markup attributetitle
, markup attributetype
, markup attributeurn
link
(markup attribute forbody
) §- Defined in HTML
link
(markup element) §- Defined in EPUB 3.3
link
(markup element) §- Defined in SVG 2
HTMLBodyElement.
link
(WebIDL attribute) §- Defined in HTML
<link-param>
(CSS type) §- Defined in CSS Linked Parameters
link-parameters
(CSS property) §- Defined in CSS Linked Parameters
Link()
(algorithm for Cyclic Module Record ) §- Defined in ECMAScript
- Referenced in HTML
String.
link(url)
(WebIDL operation) §- Defined in ECMAScript
Document.
linkColor
(WebIDL attribute) §- Defined in HTML
linked resource (concept) §
- Defined in EPUB 3.3
LinkError
(exception) §- Defined in WebAssembly JavaScript Interface: Content Security Policy , WebAssembly JavaScript Interface: ESM Integration , WebAssembly JavaScript Interface: Exception Handling , WebAssembly JavaScript Interface: Promise Integration , WebAssembly JavaScript Interface: JS String Builtins , WebAssembly JavaScript Interface: Type Reflection , WebAssembly JavaScript Interface: Threading , WebAssembly JavaScript Interface
links
(markup element) §- Defined in EPUB 3.3
Document.
links
(WebIDL attribute) §- Defined in HTML
- Referenced in Speculation Rules
LinkStyle
(WebIDL interface) §- Defined in CSSOM
- Related terms:
LinkStyle.
sheet
- see also WebIDLPedia
LinkText
(CSS value for<color>
,<system-color>
type ) §- Defined in CSS Color 4
list
(markup attribute forinput
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0, ARIA in HTML
list (concept) §
- Defined in Infra
- Referenced in Console, DOM, CSS Functions and Mixins, Encoding, Fetch, File System, HTML, Notifications API, Private Aggregation API, Topics API, Navigational-Tracking Mitigations, Streams, Source Map, URL, URL Pattern, AT Driver, Gamepad Extensions, Long Animation Frames API, Web NFC API, Web Share Target API, WebAssembly JavaScript Interface: Content Security Policy, WebAssembly JavaScript Interface: ESM Integration, WebAssembly JavaScript Interface: Exception Handling, WebAssembly JavaScript Interface: Promise Integration, WebAssembly JavaScript Interface: JS String Builtins, WebAssembly JavaScript Interface: Type Reflection, WebAssembly JavaScript Interface: Threading, Web Bluetooth, Web IDL, Attribution Reporting, Background Fetch, Content Index, Cookie Store API, Scripting Policy, Fenced Frame, File System Access, User Agent Interaction with Related Website Sets, Get Installed Related Apps API, Handwriting Recognition API, JS Self-Profiling API, Layout Instability, Local Font Access, Manifest Incubations, Prefetch, Prerendering Revamped, Speculation Rules, Observable, Page Lifecycle, Measure Memory API, Web Periodic Background Synchronization, Prioritized Task Scheduling, URL Fragment Text Directives, Web Serial API, Shared Storage API, Storage Buckets API, Private State Token API, Protected Audience, User-Agent Client Hints, Web App Launch Handler API, WebHID API, Loading Signed Exchanges, WebUSB API, Window Controls Overlay, Writing Assistance APIs, Web Application Manifest, Audiobooks, Compute Pressure 1, Contact Picker API, Content Security Policy: Embedded Enforcement, Content Security Policy 3, CSS Animation Worklet API, CSS Grid Layout 1, CSS Grid Layout 2, CSS Layout API 1, CSS Painting API 1, CSS Properties and Values API 1, CSS Shadow Parts, CSS Syntax 3, CSS Transforms 2, CSS Typed OM 1, CSS Values 5, CSS View Transitions 1, CSS View Transitions 2, CSSOM, EPUB 3.3, Federated Credential Management API, File API, Gamepad, Geolocation Sensor, Geolocation, Indexed DB 3.0, JSON-LD 1.1 Processing Algorithms and API, JSON-LD 1.1 Framing, JSON-LD 1.1, Magnetometer, Media Capture and Streams, MiniApp Manifest, MiniApp Packaging, Orientation Sensor, Paint Timing, Payment Method Manifest, Payment Request API, Performance Timeline, Permissions Policy, Permissions, Proximity Sensor, Publication Manifest, RDF Dataset Canonicalization, RDF 1.2 Concepts and Abstract Syntax, Reporting API, Screen Wake Lock API, Server Timing, Service Workers, Verifiable Credential Data Integrity 1.0, Verifiable Credentials Data Model v2.0, WebAssembly JavaScript Interface, Web Animations, Web Locks API, Web Authentication, WebCodecs, WebDriver BiDi, WebGPU, Web Neural Network API, WebXR Hit Test, WebXR Device API, Window Management
- Related terms: concept append, concept clone, concept contain, concept empty, concept extend, concept get the indices, concept insert, concept is empty, concept item, concept iterate, concept prepend, concept remove, concept replace, concept size, concept sort in ascending order, concept sort in descending order
list (concept for
URLSearchParams
) §- Defined in URL
- Referenced in Fetch
HTMLInputElement.
list
(WebIDL attribute) §- Defined in HTML
List (concept for
ECMAScript
) §- Defined in ECMAScript
list box (concept for
select
) §- Defined in HTML
list interfaces (concept) §
- Defined in SVG 2
list item (concept) §
- Defined in CSS Lists 3
- Referenced in CSS Pseudo-Elements 4
list of elements with class names classNames (concept) §
- Defined in DOM
list of elements with namespace namespace and local name localName (concept) §
- Defined in DOM
list of elements with qualified name qualifiedName (concept) §
- Defined in DOM
list of implemented receive codecs (concept) §
- Defined in WebRTC 1.0
list of implemented send codecs (concept for
RTCRtpSender
) §- Defined in WebRTC 1.0
list of pending external speculation rule resources (concept for
document
) §- Defined in Speculation Rules
- Defined in User Agent Interaction with Related Website Sets
list of simple selectors (concept) §
- Defined in Selectors 4
list of speculation rule sets (concept for
document
) §- Defined in Speculation Rules
list properties (concept) §
- Defined in CSS 2.1
list-concatenation (concept for
ECMAScript
) §- Defined in ECMAScript
- Referenced in ECMAScript Internationalization API, Uint8Array to/from base64, ECMAScript Async Explicit Resource Management, ECMAScript Explicit Resource Management, Import Attributes, Intl.DurationFormat, Iterator Helpers, JSON.parse source text access, Source Phase Imports, Temporal
list-item
(CSS value for<display-list-item>
,display
property ) §- Defined in CSS Display 4
- Referenced in URL Fragment Text Directives, CSS Lists 3, CSS Pseudo-Elements 4, Selectors 4
list-item
(CSS value for<display-listitem>
,display
property ) §- Defined in CSS Display 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
list-item
(CSS value forcounter()
,counter-increment
property,counter-reset
property,counter-set
property,counters()
function ) §- Defined in CSS Lists 3
list-item (concept) §
- Defined in CSS 2.1
list-item
(CSS value fordisplay
) §- Defined in CSS 2.2
list-style
(CSS property) §- Defined in CSS Lists 3 , CSS 2.1 , CSS 2.2
- Referenced in CSS Display 4, CSS Counter Styles 3, CSS Typed OM 1
list-style-image
(CSS property) §- Defined in CSS Lists 3 , CSS 2.1 , CSS 2.2
- Referenced in CSS Images 3, CSS Speech 1, CSS Typed OM 1
- Related terms: CSS value
none
list-style-position
(CSS property) §- Defined in CSS Lists 3 , CSS 2.1 , CSS 2.2
- Referenced in CSS Cascading 3, CSS Cascading 4, CSS Cascading 5, CSS Pseudo-Elements 4, CSS Typed OM 1
- Related terms: CSS value
inside
, CSS valueoutside
list-style-type
(CSS property) §- Defined in CSS Lists 3 , CSS 2.1 , CSS 2.2
- Referenced in CSS Counter Styles 3, CSS Images 3, CSS Scoping 1, CSS Speech 1, CSS Typed OM 1
- Related terms: CSS value
armenian
, CSS valuecircle
, CSS valuedecimal
, CSS valuedecimal-leading-zero
, CSS valuedisc
, CSS valuegeorgian
, CSS valuelower-alpha
, CSS valuelower-greek
, CSS valuelower-latin
, CSS valuelower-roman
, CSS valuenone
, CSS valuesquare
, CSS valueupper-alpha
, CSS valueupper-latin
, CSS valueupper-roman
list-valued properties (concept) §
- Defined in CSS Typed OM 1
listbox
(CSS value forappearance
) §- Defined in CSS User Interface 4
Listen for timeline event (algorithm) §
- Defined in WebGPU
listener (concept for event handler ) §
- Defined in HTML
- Referenced in Service Workers
BaseAudioContext.
listener
(WebIDL attribute) §BaseAudioContext.
listener
(WebIDL attribute) §- Defined in Web Audio API , Web Audio API 1.1
listing
(markup element) §- Defined in HTML
- Referenced in MiniApp Manifest
DigitalGoodsService.
listPurchaseHistory()
(WebIDL operation) §- Defined in Digital Goods API
DigitalGoodsService.
listPurchases()
(WebIDL operation) §- Defined in Digital Goods API
SmartCardContext.
listReaders()
(WebIDL operation) §- Defined in Web Smart Card API
literal-punctuation
(CSS value forspeak-as
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
live (concept for
ECMAScript
) §- Defined in ECMAScript
"live"
(value forMediaStreamTrackState
WebIDL enumeration) §- Defined in Media Capture and Streams
- Referenced in MediaStream Image Capture, Media Session, MediaStream Recording
live collection (concept for collection ) §
- Defined in DOM
live ranges (concept) §
- Defined in DOM
- Referenced in CSS Custom Highlight API 1, Selection API
Live Region (concept) §
- Defined in WAI-ARIA , WAI-ARIA
Math.
LN10
(WebIDL attribute) §- Defined in ECMAScript
Math.
LN2
(WebIDL attribute) §- Defined in ECMAScript
load
(event forHTMLTrackElement
) §- Defined in HTML
load
(event forHTMLElement
,Window
interface ) §- Defined in HTML
- Referenced in Speculation Rules, Portals, Loading Signed Exchanges, Navigation Timing 2, WebDriver
load
(event forFileReader
) §- Defined in File API
"load"
(value forGPULoadOp
WebIDL enumeration) §- Defined in WebGPU
load
(event forXMLHttpRequestEventTarget
) §- Defined in XMLHttpRequest
load event end time (concept for document load timing info ) §
- Defined in HTML
- Referenced in Navigation Timing 2
load event start time (concept for document load timing info ) §
- Defined in HTML
- Referenced in Navigation Timing 2
Load patch file (algorithm) §
- Defined in Incremental Font Transfer
load timing info (concept for
Document
) §- Defined in HTML
- Referenced in Navigation Timing 2
FontFace.
load()
(WebIDL operation) §- Defined in CSS Font Loading 3
HTMLMediaElement.
load()
(WebIDL operation) §- Defined in HTML
MediaKeySession.
load()
(WebIDL operation) §- Defined in Encrypted Media Extensions
FontFaceSet.
load(font, text)
(WebIDL operation) §- Defined in CSS Font Loading 3
Atomics.
load(typedArray, index)
(WebIDL operation) §- Defined in ECMAScript
LoadDocumentCallback
(WebIDL callback) §- Defined in JSON-LD 1.1 Processing Algorithms and API
LoadDocumentOptions
(WebIDL dictionary) §- Defined in JSON-LD 1.1 Processing Algorithms and API
- Related terms:
LoadDocumentOptions.
extractAllScripts
,LoadDocumentOptions.
profile
,LoadDocumentOptions.
requestProfile
- see also WebIDLPedia
HTMLTrackElement.
LOADED
(WebIDL constant) §- Defined in HTML
"loaded"
(value forFontFaceLoadStatus
WebIDL enumeration) §- Defined in CSS Font Loading 3
"loaded"
(value forFontFaceSetLoadStatus
WebIDL enumeration) §- Defined in CSS Font Loading 3
"loaded"
(value forPageState
WebIDL enumeration) §- Defined in MiniApp Lifecycle
FontFace.
loaded
(WebIDL attribute) §- Defined in CSS Font Loading 3
ProgressEvent.
loaded
(WebIDL attribute) §- Defined in XMLHttpRequest
- Referenced in HTML, Writing Assistance APIs
ProgressEventInit.
loaded
(WebIDL dictionary member) §- Defined in XMLHttpRequest
loadeddata
(event forHTMLMediaElement
) §- Defined in HTML
FontFaceSet.
[[LoadedFonts]]
(internal slot) §- Defined in CSS Font Loading 3
loadedmetadata
(event forHTMLMediaElement
) §- Defined in HTML
- Referenced in Media Source Extensions™
LoadedModuleRequest Record (concept) §
- Defined in Import Attributes
loadend
(event forFileReader
) §- Defined in File API
loadend
(event forXMLHttpRequestEventTarget
) §- Defined in XMLHttpRequest
- Defined in Navigation Timing 2
PerformanceTiming.
loadEventEnd
(WebIDL attribute) §- Defined in Navigation Timing 2
- Defined in Navigation Timing 2
PerformanceTiming.
loadEventStart
(WebIDL attribute) §- Defined in Navigation Timing 2
loading
(markup attribute forimg
) §- Defined in HTML
- Related terms: value
eager
, valuelazy
loading
(markup attribute foriframe
) §- Defined in HTML
- Related terms: value
eager
, valuelazy
loading
(markup attribute formodel
) §- Defined in The <model> element
"loading"
(value forFontFaceLoadStatus
WebIDL enumeration) §- Defined in CSS Font Loading 3
"loading"
(value forFontFaceSetLoadStatus
WebIDL enumeration) §- Defined in CSS Font Loading 3
loading
(event forFontFaceSet
) §- Defined in CSS Font Loading 3
HTMLIFrameElement.
loading
(WebIDL attribute) §- Defined in HTML
HTMLImageElement.
loading
(WebIDL attribute) §- Defined in HTML
FileReader.
LOADING
(WebIDL constant) §- Defined in File API
HTMLTrackElement.
LOADING
(WebIDL constant) §- Defined in HTML
XMLHttpRequest.
LOADING
(WebIDL constant) §- Defined in XMLHttpRequest
"loading document failed"
(value forJsonLdErrorCode
WebIDL enumeration) §- Defined in JSON-LD 1.1 Processing Algorithms and API
loading image (concept) §
- Defined in CSS Images 3 , CSS Images 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
"loading remote context failed"
(value forJsonLdErrorCode
WebIDL enumeration) §- Defined in JSON-LD 1.1 Processing Algorithms and API
loadingdone
(event forFontFaceSet
) §- Defined in CSS Font Loading 3
loadingerror
(event forFontFaceSet
) §- Defined in CSS Font Loading 3
FontFaceSet.
[[LoadingFonts]]
(internal slot) §- Defined in CSS Font Loading 3
GPURenderPassColorAttachment.
loadOp
(WebIDL dictionary member) §- Defined in WebGPU
LoadRequestedModules(hostDefined)
(algorithm for Cyclic Module Record ) §- Defined in ECMAScript
- Referenced in HTML
loadstart
(event forHTMLMediaElement
) §- Defined in HTML
loadstart
(event forFileReader
) §- Defined in File API
loadstart
(event forXMLHttpRequestEventTarget
) §- Defined in XMLHttpRequest
LargestContentfulPaint.
loadTime
(WebIDL attribute) §- Defined in Largest Contentful Paint
PerformanceElementTiming.
loadTime
(WebIDL attribute) §- Defined in Element Timing API
"local"
(value forIPAddressSpace
WebIDL enumeration) §- Defined in Private Network Access
local (concept for IP address space ) §
- Defined in Private Network Access
local
(CSS value forbackground-attachment
) §- Defined in CSS Backgrounds 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
"local"
(value forXRReferenceSpaceType
WebIDL enumeration) §- Defined in WebXR Device API
- Referenced in WebXR Layers API 1
RTCIceCandidatePair.
local
(WebIDL attribute) §- Defined in WebRTC 1.0
local coordinate system (concept) §
- Defined in CSS Transforms 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, Filter Effects 1
local coordinate system (concept) §
- Defined in Generic Sensor API
- Referenced in Accelerometer, Gyroscope, Magnetometer, Orientation Sensor
Local Date and Time
(state of markup element forinput
) §- Defined in HTML
local end definition (concept) §
- Defined in WebDriver BiDi
local ends (concept) §
- Defined in WebDriver
- Referenced in Web Bluetooth, Generic Sensor API, WebDriver BiDi
local font-relative lengths (concept) §
- Defined in CSS Values 4
local name (concept for
Element
) §- Defined in DOM
- Referenced in HTML, execCommand, Prefetch, Measure Memory API, HTML Sanitizer API, CSS Scoping 1, EditContext API
local name (concept for
Attr
) §- Defined in DOM
- Referenced in HTML, execCommand, HTML Sanitizer API, Trusted Types
local name (concept for custom element definition ) §
- Defined in HTML
- Referenced in DOM
local scheme (concept) §
- Defined in Fetch
- Referenced in HTML, Scripting Policy, Content Security Policy: Embedded Enforcement, Content Security Policy 3, Referrer Policy, Trusted Types, Web Share API, WebDriver
local time (concept) §
- Defined in Internationalization Glossary
local url flag (concept for
url()
) §- Defined in CSS Values 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
local url flag (concept for
<url>
) §- Defined in CSS Values 4
"local-candidate"
(value forRTCStatsType
WebIDL enumeration) §- Defined in WebRTC Statistics
"local-floor"
(value forXRReferenceSpaceType
WebIDL enumeration) §- Defined in WebXR Device API
- Referenced in WebXR Layers API 1
"local-fonts"
(permission name) §- Defined in Local Font Access
- Referenced in Permissions Registry, Permissions
"local-fonts"
(value forPermissionPolicy
WebIDL enumeration) §- Defined in Local Font Access
:local-link
(CSS selector) §- Defined in Selectors 5 , Selectors 4
local-URLs-only flag (concept) §
- Defined in Fetch
TCPServerSocketOpenInfo.
localAddress
(WebIDL dictionary member) §- Defined in Direct Sockets API
TCPSocketOpenInfo.
localAddress
(WebIDL dictionary member) §- Defined in Direct Sockets API
UDPSocketOpenInfo.
localAddress
(WebIDL dictionary member) §- Defined in Direct Sockets API
UDPSocketOptions.
localAddress
(WebIDL dictionary member) §- Defined in Direct Sockets API
RTCIceCandidatePairStats.
localCandidateId
(WebIDL dictionary member) §- Defined in WebRTC Statistics
RTCTransportStats.
localCertificateId
(WebIDL dictionary member) §- Defined in WebRTC Statistics
RTCPeerConnection.
localDescription
(WebIDL attribute) §- Defined in WebRTC 1.0
Locale (concept) §
- Defined in Internationalization Glossary
SecurePaymentConfirmationRequest.
locale
(WebIDL dictionary member) §- Defined in Secure Payment Confirmation
Locale fallback (concept) §
- Defined in Internationalization Glossary
locale neutral (concept) §
- Defined in Internationalization Glossary
Locale-aware (concept) §
- Defined in Internationalization Glossary
String.
localeCompare(that, reserved1, reserved2)
(WebIDL operation) §- Defined in ECMAScript
- Referenced in ECMAScript Internationalization API
RTCRemoteInboundRtpStreamStats.
localId
(WebIDL dictionary member) §- Defined in WebRTC Statistics
RTCRemoteOutboundRtpStreamStats.
localId
(WebIDL dictionary member) §- Defined in WebRTC Statistics
localisation (concept) §
- Defined in Internationalization Glossary
Localizable content (concept) §
- Defined in Internationalization Glossary
Localizable text (concept) §
- Defined in Internationalization Glossary
Attr.
localName
(WebIDL attribute) §- Defined in DOM
Element.
localName
(WebIDL attribute) §- Defined in DOM
TCPServerSocketOpenInfo.
localPort
(WebIDL dictionary member) §- Defined in Direct Sockets API
TCPServerSocketOptions.
localPort
(WebIDL dictionary member) §- Defined in Direct Sockets API
TCPSocketOpenInfo.
localPort
(WebIDL dictionary member) §- Defined in Direct Sockets API
UDPSocketOpenInfo.
localPort
(WebIDL dictionary member) §- Defined in Direct Sockets API
UDPSocketOptions.
localPort
(WebIDL dictionary member) §- Defined in Direct Sockets API
SpeechSynthesisVoice.
localService
(WebIDL attribute) §- Defined in Web Speech API
StorageAccessHandle.
localStorage
(WebIDL attribute) §- Defined in Extending Storage Access API to non-cookie storage
StorageAccessTypes.
localStorage
(WebIDL dictionary member) §- Defined in Extending Storage Access API to non-cookie storage
WindowLocalStorage.
localStorage
(WebIDL attribute) §- Defined in HTML
- Referenced in Navigational-Tracking Mitigations, Extending Storage Access API to non-cookie storage, Clear Site Data, Media Capture and Streams, Presentation API
LocalTime
(algorithm) §- Defined in ECMAScript
ComputedEffectTiming.
localTime
(WebIDL dictionary member) §ComputedEffectTiming.
localTime
(WebIDL dictionary member) §- Defined in Web Animations , Web Animations 2
WorkletAnimationEffect.
localTime
(WebIDL attribute) §- Defined in CSS Animation Worklet API
locate a namespace (concept) §
- Defined in DOM
locate a namespace prefix (concept) §
- Defined in DOM
locating an entry (concept) §
- Defined in File System
- Referenced in File System Access, WebDriver BiDi
Document.
location
(WebIDL attribute) §- Defined in HTML
KeyboardEvent.
location
(WebIDL attribute) §- Defined in UI Events
KeyboardEventInit.
location
(WebIDL dictionary member) §- Defined in UI Events
Window.
location
(WebIDL attribute) §- Defined in HTML
- Referenced in Navigational-Tracking Mitigations, Fenced Frame
WorkerGlobalScope.
location
(WebIDL attribute) §- Defined in HTML
Location
(WebIDL interface) §- Defined in HTML
- Referenced in URL, Web IDL, URL Fragment Text Directives, Clear Site Data, Service Workers
- Related terms:
Location.
ancestorOrigins
,Location.
hash
,Location.
host
,Location.
hostname
,Location.
href
,Location.
origin
,Location.
pathname
,Location.
port
,Location.
protocol
,Location.
search
,Location.
assign(url)
,Location.
reload()
,Location.
replace(url)
- see also WebIDLPedia
location URL (concept for response ) §
- Defined in Fetch
- Referenced in HTML, Prefetch
Window.
locationbar
(WebIDL attribute) §- Defined in HTML
Landmark.
locations
(WebIDL dictionary member) §- Defined in Accelerated Shape Detection in Images
locator (concept for
FileSystemHandle
) §- Defined in File System
- Referenced in File System Access
lock (concept) §
- Defined in HTML
Lock
(WebIDL interface) §- Defined in Shared Storage API , Web Locks API
- Related terms:
Lock.
mode
,Lock.
name
- see also WebIDLPedia
lock() (concept for
Keyboard
) §- Defined in Keyboard Lock
ScreenOrientation.
lock()
(WebIDL operation) §- Defined in Screen Orientation
- Referenced in Prerendering Revamped
Keyboard.
lock(keyCodes)
(WebIDL operation) §- Defined in Keyboard Lock
- Referenced in HTML, Prerendering Revamped
locked (concept for
ReadableStream
) §- Defined in Streams
- Referenced in Fetch, Service Workers, WebCodecs, WebTransport
"locked"
(value forScreenIdleState
WebIDL enumeration) §- Defined in Idle Detection API
ReadableStream.
locked
(WebIDL attribute) §- Defined in Streams
WritableStream.
locked
(WebIDL attribute) §- Defined in Streams
LockGrantedCallback
(WebIDL callback) §- Defined in Web Locks API
LockInfo
(WebIDL dictionary) §- Defined in Web Locks API
- Related terms:
LockInfo.
clientId
,LockInfo.
mode
,LockInfo.
name
- see also WebIDLPedia
LockManager
(WebIDL interface) §- Defined in Shared Storage API , Web Locks API
- Referenced in Extending Storage Access API to non-cookie storage
- Related terms:
LockManager.
query()
,LockManager.
request(name, callback)
,LockManager.
request(name, options, callback)
- see also WebIDLPedia
LockManagerSnapshot
(WebIDL dictionary) §- Defined in Web Locks API
- Related terms:
LockManagerSnapshot.
held
,LockManagerSnapshot.
pending
- see also WebIDLPedia
LockMode
(WebIDL enumeration) §- Defined in Web Locks API
- Related terms: value
exclusive
, valueshared
- see also WebIDLPedia
LockOptions
(WebIDL dictionary) §- Defined in Web Locks API
- Related terms:
LockOptions.
ifAvailable
,LockOptions.
mode
,LockOptions.
signal
,LockOptions.
steal
- see also WebIDLPedia
- Defined in Web Locks API
StorageAccessHandle.
locks
(WebIDL attribute) §- Defined in Extending Storage Access API to non-cookie storage
StorageAccessTypes.
locks
(WebIDL dictionary member) §- Defined in Extending Storage Access API to non-cookie storage
GPUSamplerDescriptor.
lodMaxClamp
(WebIDL dictionary member) §- Defined in WebGPU
GPUSamplerDescriptor.
lodMinClamp
(WebIDL dictionary member) §- Defined in WebGPU
log (concept for
modules
) §- Defined in WebDriver BiDi
MLOpSupportLimits.
log
(WebIDL dictionary member) §- Defined in Web Neural Network API
console.
log(...data)
(WebIDL operation) §- Defined in Console
log()
(CSS function) §- Defined in CSS Values 4
MLGraphBuilder.
log(input, options)
(WebIDL operation) §- Defined in Web Neural Network API
Math.
log(x)
(WebIDL operation) §- Defined in ECMAScript
Math.
log10(x)
(WebIDL operation) §- Defined in ECMAScript
Math.
LOG10E
(WebIDL attribute) §- Defined in ECMAScript
Math.
log1p(x)
(WebIDL operation) §- Defined in ECMAScript
Math.
log2(x)
(WebIDL operation) §- Defined in ECMAScript
Math.
LOG2E
(WebIDL attribute) §- Defined in ECMAScript
"logged-in"
(value forLoginStatus
WebIDL enumeration) §- Defined in Login Status API
"logged-out"
(value forLoginStatus
WebIDL enumeration) §- Defined in Login Status API
Logger
(algorithm) §- Defined in Console
Logic layer (concept for
Document
) §- Defined in MiniApp Lifecycle
logical
(CSS value forborder-color
,border-style
property,border-width
property,margin
,padding
property ) §- Defined in CSS Logical Properties 1
logical display surface (concept) §
- Defined in Screen Capture
logical expression (concept) §
- Defined in RDF 1.2 Concepts and Abstract Syntax
logical height (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Fragmentation 4, CSS Inline Layout 3
Logical miplevel-specific texture extent (algorithm) §
- Defined in WebGPU
Logical order (concept) §
- Defined in Internationalization Glossary
logical property group (concept) §
- Defined in CSS Logical Properties 1
- Referenced in CSS Backgrounds 4, CSS Borders and Box Decorations 4, CSS Animations 2, CSS Backgrounds 3, CSS Box Model 3, CSS Box Model 4, CSS Cascading 4, CSS Cascading 5, CSS Logical Properties 1, CSS Overflow 3, CSS Overflow 4, CSS Overscroll Behavior 1, CSS Positioned Layout 3, CSS Scroll Snap 1, CSS Sizing 3, CSS Sizing 4, CSSOM
logical width (concept) §
- Defined in CSS Writing Modes 3 , CSS Writing Modes 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Model 4, CSS Inline Layout 3, CSS Text 3, CSS Text 4
HIDReportItem.
logicalMaximum
(WebIDL dictionary member) §- Defined in WebHID API
HIDReportItem.
logicalMinimum
(WebIDL dictionary member) §- Defined in WebHID API
MLOpSupportLimits.
logicalNot
(WebIDL dictionary member) §- Defined in Web Neural Network API
MLGraphBuilder.
logicalNot(a, options)
(WebIDL operation) §- Defined in Web Neural Network API
logicalSurface (concept) §
- Defined in Screen Capture
MediaTrackCapabilities.
logicalSurface
(WebIDL dictionary member) §- Defined in Screen Capture
MediaTrackConstraintSet.
logicalSurface
(WebIDL dictionary member) §- Defined in Screen Capture
MediaTrackSettings.
logicalSurface
(WebIDL dictionary member) §- Defined in Screen Capture
MediaTrackSupportedConstraints.
logicalSurface
(WebIDL dictionary member) §- Defined in Screen Capture
- Defined in Login Status API
IdentityProviderAccount.
login_hints
(WebIDL dictionary member) §- Defined in Federated Credential Management API
IdentityProviderAPIConfig.
login_url
(WebIDL dictionary member) §- Defined in Federated Credential Management API
IdentityProviderWellKnown.
login_url
(WebIDL dictionary member) §- Defined in Federated Credential Management API
IdentityProviderRequestOptions.
loginHint
(WebIDL dictionary member) §- Defined in Federated Credential Management API
LoginStatus
(WebIDL enumeration) §- Defined in Login Status API
- Related terms: value
logged-in
, valuelogged-out
- see also WebIDLPedia
long
(WebIDL interface) §- Defined in Web IDL
- Referenced in HTML, Private Aggregation API, Captured Mouse Events, Captured Surface Control, Shared Storage API, Protected Audience, WebHID API, CSS Custom Highlight API 1, CSS Typed OM 1, CSSOM View, Gamepad, Geolocation, Intersection Observer, JSON-LD 1.1 Processing Algorithms and API, JSON-LD 1.1 Framing, JSON-LD 1.1, Permissions Policy, Picture-in-Picture, Pointer Events, Pointer Events, Remote Playback API, Touch Events, UI Events, Web Audio API, Web Audio API 1.1, Web Authentication, WebCodecs, WebGPU, Web Neural Network API, Identity for WebRTC 1.0, WebRTC Statistics, WebRTC 1.0, WebXR Device API, Window Management, DNT
- see also WebIDLPedia
"long"
(value forAISummarizerLength
WebIDL enumeration) §- Defined in Writing Assistance APIs
long animation frame (concept) §
- Defined in Long Animation Frames API
long long
(WebIDL interface) §- Defined in Web IDL
- Referenced in Long Animation Frames API, Protected Audience, File API, WebCodecs, Web Neural Network API, WebRTC Encoded Transform, WebRTC Statistics, WebTransport
- see also WebIDLPedia
Long task (concept) §
- Defined in Long Tasks API
- Referenced in Long Animation Frames API
longdesc
(markup attribute foriframe
) §- Defined in HTML
longdesc
(markup attribute forimg
) §- Defined in HTML
HTMLFrameElement.
longDesc
(WebIDL attribute) §- Defined in HTML
HTMLIFrameElement.
longDesc
(WebIDL attribute) §- Defined in HTML
HTMLImageElement.
longDesc
(WebIDL attribute) §- Defined in HTML
longer (concept) §
- Defined in CSS Color 4
longhand (concept) §
- Defined in CSS Cascading 3 , CSS Cascading 4 , CSS Cascading 5
- Referenced in CSS Backgrounds 4, CSS Variables 2, CSS Snapshot 2022, CSS Snapshot 2023, CSS Animations 2, CSS Box Model 4, CSS Conditional 5, CSS Grid Layout 1, CSS Grid Layout 2, CSS Inline Layout 3, CSS Logical Properties 1, CSS Overflow 4, CSS Positioned Layout 3, CSS Scroll Snap 1, CSS Text 4, CSS Text Decoration 4, CSS User Interface 4, Scroll-driven Animations, Web Animations
GeolocationCoordinates.
longitude
(WebIDL attribute) §- Defined in Geolocation
GeolocationSensor.
longitude
(WebIDL attribute) §- Defined in Geolocation Sensor
GeolocationSensorReading.
longitude
(WebIDL dictionary member) §- Defined in Geolocation Sensor
look up a custom element definition (concept) §
- Defined in HTML
- Referenced in DOM
Lookup Race Response (concept) §
- Defined in Service Workers
Node.
lookupNamespaceURI(prefix)
(WebIDL operation) §- Defined in DOM
XPathNSResolver.
lookupNamespaceURI(prefix)
(WebIDL operation) §- Defined in DOM
Node.
lookupPrefix(namespace)
(WebIDL operation) §- Defined in DOM
loop
(markup attribute foraudio
,video
element ) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0
loop
(markup attribute formarquee
) §- Defined in HTML
loop
(markup attribute formodel
) §- Defined in The <model> element
AudioBufferSourceNode.
loop
(WebIDL attribute) §AudioBufferSourceNode.
loop
(WebIDL attribute) §- Defined in Web Audio API , Web Audio API 1.1
AudioBufferSourceOptions.
loop
(WebIDL dictionary member) §AudioBufferSourceOptions.
loop
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
HTMLMarqueeElement.
loop
(WebIDL attribute) §- Defined in HTML
HTMLMediaElement.
loop
(WebIDL attribute) §- Defined in HTML
- Referenced in Media Capture and Streams, Open Screen Application Protocol
LoopContinues
(algorithm) §- Defined in ECMAScript
- Referenced in ECMAScript Async Explicit Resource Management, ECMAScript Explicit Resource Management
AudioBufferSourceNode.
loopEnd
(WebIDL attribute) §AudioBufferSourceNode.
loopEnd
(WebIDL attribute) §- Defined in Web Audio API , Web Audio API 1.1
AudioBufferSourceOptions.
loopEnd
(WebIDL dictionary member) §AudioBufferSourceOptions.
loopEnd
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
AudioBufferSourceNode.
loopStart
(WebIDL attribute) §AudioBufferSourceNode.
loopStart
(WebIDL attribute) §- Defined in Web Audio API , Web Audio API 1.1
AudioBufferSourceOptions.
loopStart
(WebIDL dictionary member) §AudioBufferSourceOptions.
loopStart
(WebIDL dictionary member) §- Defined in Web Audio API , Web Audio API 1.1
loose
(CSS value forline-break
) §- Defined in CSS Text 3 , CSS Text 4
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
GPUDevice.
lost
(WebIDL attribute) §- Defined in WebGPU
WebTransportDatagramStats.
lostOutgoing
(WebIDL dictionary member) §- Defined in WebTransport
lostpointercapture
(event forGlobalEventHandlers
) §- Defined in Pointer Events , Pointer Events
loud
(CSS value forvoice-volume
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
"low"
(value forRequestPriority
WebIDL enumeration) §- Defined in Fetch
low
(value forfetchpriority
attribute ofimg
element,fetchpriority
attribute oflink
element,fetchpriority
attribute ofscript
) §- Defined in HTML
low
(markup attribute formeter
) §- Defined in HTML
- Referenced in HTML Accessibility API Mappings 1.0, WAI-ARIA, WAI-ARIA
"low"
(value forImageSmoothingQuality
WebIDL enumeration) §- Defined in HTML
"low"
(value forResizeQuality
WebIDL enumeration) §- Defined in HTML
"low"
(value forXRMeshQuality
WebIDL enumeration) §- Defined in WebXR Meshing API 1
low
(CSS value forvoice-pitch
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
low
(CSS value forvoice-range
) §- Defined in CSS Speech 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
"low"
(value forRTCPriorityType
WebIDL enumeration) §- Defined in WebRTC Priority Control API
HTMLMeterElement.
low
(WebIDL attribute) §- Defined in HTML
low-entropy hint table (concept) §
- Defined in Client Hints Infrastructure
- Referenced in User-Agent Client Hints
"low-latency"
(value forWebTransportCongestionControl
WebIDL enumeration) §- Defined in WebTransport
"low-power"
(value forGPUPowerPreference
WebIDL enumeration) §- Defined in WebGPU
"low-power"
(value forMLPowerPreference
WebIDL enumeration) §- Defined in Web Neural Network API
low-surrogate code unit (concept for
ECMAScript
) §- Defined in ECMAScript
"lowdelay"
(value forOpusApplication
WebIDL enumeration) §- Defined in Opus WebCodecs Registration
CSSMathClamp.
lower
(WebIDL attribute) §- Defined in CSS Typed OM 1
IDBKeyRange.
lower
(WebIDL attribute) §- Defined in Indexed DB 3.0
lower-alpha
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Speech 1
lower-alpha
(CSS value forlist-style-type
) §- Defined in CSS 2.2
lower-armenian
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lower-greek
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Speech 1
lower-greek
(CSS value) §- Defined in CSS 2.1
lower-greek
(CSS value forlist-style-type
) §- Defined in CSS 2.2
lower-latin
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Speech 1
lower-latin
(CSS value) §- Defined in CSS 2.1
lower-latin
(CSS value forlist-style-type
) §- Defined in CSS 2.2
lower-roman
(CSS value for<counter-style-name>
) §- Defined in CSS Counter Styles 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Speech 1
lower-roman
(CSS value) §- Defined in CSS 2.1
lower-roman
(CSS value forlist-style-type
) §- Defined in CSS 2.2
IDBKeyRange.
lowerBound(lower, open)
(WebIDL operation) §- Defined in Indexed DB 3.0
lowercase
(CSS value fortext-transform
) §- Defined in CSS Text 3 , CSS Text 4 , CSS 2.2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lowercase letter (concept) §
- Defined in CSS Syntax 3
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
IDBKeyRange.
lowerOpen
(WebIDL attribute) §- Defined in Indexed DB 3.0
XREquirectLayer.
lowerVerticalAngle
(WebIDL attribute) §- Defined in WebXR Layers API 1
XREquirectLayerInit.
lowerVerticalAngle
(WebIDL dictionary member) §- Defined in WebXR Layers API 1
XRMediaEquirectLayerInit.
lowerVerticalAngle
(WebIDL dictionary member) §- Defined in WebXR Layers API 1
"lowpass"
(value forBiquadFilterType
WebIDL enumeration) §- Defined in Web Audio API , Web Audio API 1.1
"lowshelf"
(value forBiquadFilterType
WebIDL enumeration) §- Defined in Web Audio API , Web Audio API 1.1
lowsrc
(markup attribute forimg
) §- Defined in HTML
HTMLImageElement.
lowsrc
(WebIDL attribute) §- Defined in HTML
"lr"
(value forDirectionSetting
WebIDL enumeration) §- Defined in WebVTT: The Web Video Text Tracks Format
lspace
(markup attribute formo
) §- Defined in MathML Core
lspace
(markup attribute formpadded
) §- Defined in MathML Core
MLOpSupportLimits.
lstm
(WebIDL dictionary member) §- Defined in Web Neural Network API
- Defined in Web Neural Network API
MLOpSupportLimits.
lstmCell
(WebIDL dictionary member) §- Defined in Web Neural Network API
- Defined in Web Neural Network API
ltr
(value fordir
attribute ofhtml-global
) §- Defined in HTML
"ltr"
(value forCanvasDirection
WebIDL enumeration) §- Defined in HTML
"ltr"
(value forNotificationDirection
WebIDL enumeration) §- Defined in Notifications API
ltr
(CSS value fordirection
) §- Defined in CSS Writing Modes 3 , CSS Writing Modes 4 , CSS 2.2
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023, CSS Box Alignment 3, CSS Fragmentation 3, CSS Fragmentation 4, CSS Flexbox 1, CSS Logical Properties 1, CSS Positioned Layout 3
"ltr"
(value forTextDirection
WebIDL enumeration) §- Defined in MiniApp Lifecycle
luminance (concept) §
- Defined in CSS Color 4
- Referenced in CSS Color HDR 1
luminance
(CSS value formask-mode
) §- Defined in CSS Masking 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
luminance
(CSS value formask-border-mode
) §- Defined in CSS Masking 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
luminance
(CSS value formask-type
) §- Defined in CSS Masking 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
"luminance-alpha"
(value forXRDepthDataFormat
WebIDL enumeration) §- Defined in WebXR Depth Sensing
luminanceToAlpha
(value for type ) §- Defined in Filter Effects 1
luminosity
(CSS value for<blend-mode>
) §- Defined in Compositing 2 , Compositing 1
- Referenced in CSS Snapshot 2022, CSS Snapshot 2023
lvb
(CSS value for<length>
) §- Defined in CSS Values 4
lvb(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
lvh
(CSS value for<length>
) §- Defined in CSS Values 4
lvh(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
lvi
(CSS value for<length>
) §- Defined in CSS Values 4
lvi(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
lvmax
(CSS value for<length>
) §- Defined in CSS Values 4
lvmax(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
lvmin
(CSS value for<length>
) §- Defined in CSS Values 4
lvmin(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1
lvw
(CSS value for<length>
) §- Defined in CSS Values 4
lvw(value)
(WebIDL operation forCSS
) §- Defined in CSS Typed OM 1