Web APIs
當你使用 JavaScript 為網站寫程式碼時,有很多很棒的 API 可以使用。
以下清單列出所有能夠用在你開發網路程式或網站時的介面(即是物件的類型)。
A
AbortController
AbortSignal
AbsoluteOrientationSensor
AbstractRange
Accelerometer
實驗性質AesCbcParams
AesCtrParams
AesGcmParams
AesKeyGenParams
AmbientLightSensor
實驗性質AnalyserNode
ANGLE_instanced_arrays
Animation
AnimationEffect
AnimationEvent
AnimationPlaybackEvent
AnimationTimeline
Attr
AudioBuffer
AudioBufferSourceNode
AudioContext
AudioData
AudioDecoder
AudioDestinationNode
AudioEncoder
AudioListener
AudioNode
AudioParam
AudioParamDescriptor
AudioParamMap
AudioProcessingEvent
已棄用AudioScheduledSourceNode
AudioSinkInfo
實驗性質AudioTrack
AudioTrackList
AudioWorklet
AudioWorkletGlobalScope
AudioWorkletNode
AudioWorkletProcessor
AuthenticatorAssertionResponse
AuthenticatorAttestationResponse
AuthenticatorResponse
B
BackgroundFetchEvent
實驗性質BackgroundFetchManager
實驗性質BackgroundFetchRecord
實驗性質BackgroundFetchRegistration
實驗性質BackgroundFetchUpdateUIEvent
實驗性質BarcodeDetector
實驗性質BarProp
BaseAudioContext
BatteryManager
BeforeInstallPromptEvent
實驗性質 Non-standardBeforeUnloadEvent
BiquadFilterNode
Blob
BlobEvent
Bluetooth
實驗性質BluetoothCharacteristicProperties
實驗性質BluetoothDevice
實驗性質BluetoothRemoteGATTCharacteristic
實驗性質BluetoothRemoteGATTDescriptor
實驗性質BluetoothRemoteGATTServer
實驗性質BluetoothRemoteGATTService
實驗性質BluetoothUUID
BroadcastChannel
ByteLengthQueuingStrategy
C
Cache
CacheStorage
CanMakePaymentEvent
實驗性質CanvasCaptureMediaStreamTrack
CanvasGradient
CanvasPattern
CanvasRenderingContext2D
CaptureController
實驗性質CaretPosition
CDATASection
ChannelMergerNode
ChannelSplitterNode
ChapterInformation
實驗性質CharacterBoundsUpdateEvent
實驗性質CharacterData
Client
Clients
Clipboard
ClipboardEvent
ClipboardItem
CloseEvent
CloseWatcher
實驗性質CommandEvent
實驗性質Comment
CompositionEvent
CompressionStream
c
C
ConstantSourceNode
ContactAddress
實驗性質ContactsManager
實驗性質ContentIndex
實驗性質ContentIndexEvent
實驗性質ContentVisibilityAutoStateChangeEvent
ConvolverNode
CookieChangeEvent
CookieStore
CookieStoreManager
CountQueuingStrategy
Credential
CredentialsContainer
Crypto
CryptoKey
CryptoKeyPair
CSPViolationReportBody
CSS
CSSAnimation
CSSConditionRule
CSSContainerRule
CSSCounterStyleRule
CSSFontFaceRule
CSSFontFeatureValuesRule
CSSFontPaletteValuesRule
CSSGroupingRule
CSSImageValue
CSSImportRule
CSSKeyframeRule
CSSKeyframesRule
CSSKeywordValue
CSSLayerBlockRule
CSSLayerStatementRule
CSSMathInvert
CSSMathMax
CSSMathMin
CSSMathNegate
CSSMathProduct
CSSMathSum
CSSMathValue
CSSMatrixComponent
CSSMediaRule
CSSNamespaceRule
CSSNestedDeclarations
CSSNumericArray
CSSNumericValue
CSSPageDescriptors
實驗性質CSSPageRule
CSSPerspective
CSSPositionTryDescriptors
實驗性質CSSPositionTryRule
實驗性質CSSPositionValue
Non-standard 已棄用CSSPrimitiveValue
已棄用CSSPropertyRule
CSSPseudoElement
實驗性質CSSRotate
CSSRule
CSSRuleList
CSSScale
CSSScopeRule
CSSSkew
CSSSkewX
CSSSkewY
CSSStartingStyleRule
CSSStyleDeclaration
CSSStyleRule
CSSStyleSheet
CSSStyleValue
CSSSupportsRule
CSSTransformComponent
CSSTransformValue
CSSTransition
CSSTranslate
CSSUnitValue
CSSUnparsedValue
CSSValue
已棄用CSSValueList
已棄用CSSVariableReferenceValue
CustomElementRegistry
CustomEvent
CustomStateSet
D
DataTransfer
DataTransferItem
DataTransferItemList
DecompressionStream
DedicatedWorkerGlobalScope
DelayNode
DelegatedInkTrailPresenter
實驗性質DeprecationReportBody
實驗性質DeviceMotionEvent
DeviceMotionEventAcceleration
DeviceMotionEventRotationRate
DeviceOrientationEvent
DirectoryEntrySync
Non-standard 已棄用DirectoryReaderSync
Non-standard 已棄用Document
DocumentFragment
DocumentPictureInPicture
實驗性質DocumentPictureInPictureEvent
實驗性質DocumentTimeline
DocumentType
DOMError
已棄用DOMException
DOMHighResTimeStamp
DOMImplementation
DOMMatrix (WebKitCSSMatrix)
DOMMatrixReadOnly
DOMParser
DOMPoint
DOMPointReadOnly
DOMQuad
DOMRect
DOMRectList
DOMRectReadOnly
DOMStringList
DOMStringMap
DOMTokenList
DragEvent
DynamicsCompressorNode
E
EcdhKeyDeriveParams
EcdsaParams
EcKeyGenParams
EcKeyImportParams
EditContext
實驗性質Element
ElementInternals
EncodedAudioChunk
EncodedVideoChunk
ErrorEvent
Event
EventCounts
EventSource
EventTarget
ExtendableCookieChangeEvent
ExtendableEvent
ExtendableMessageEvent
EyeDropper
實驗性質
F
FeaturePolicy
實驗性質FederatedCredential
實驗性質FederatedCredentialInit
Fence
實驗性質FencedFrameConfig
實驗性質FetchEvent
File
FileEntrySync
Non-standard 已棄用FileList
FileReader
FileReaderSync
FileSystem
FileSystemDirectoryEntry
FileSystemDirectoryHandle
FileSystemDirectoryReader
FileSystemEntry
FileSystemFileEntry
FileSystemFileHandle
FileSystemHandle
FileSystemSync
Non-standard 已棄用FileSystemSyncAccessHandle
FileSystemWritableFileStream
FocusEvent
FontData
實驗性質FontFace
FontFaceSet
FontFaceSetLoadEvent
FormData
FormDataEvent
FragmentDirective
G
GainNode
Gamepad
GamepadButton
GamepadEvent
GamepadHapticActuator
GamepadPose
實驗性質Geolocation
GeolocationCoordinates
GeolocationPosition
GeolocationPositionError
GestureEvent
Non-standardGPU
實驗性質GPUAdapter
實驗性質GPUAdapterInfo
實驗性質GPUBindGroup
實驗性質GPUBindGroupLayout
實驗性質GPUBuffer
實驗性質GPUCanvasContext
實驗性質GPUCommandBuffer
實驗性質GPUCommandEncoder
實驗性質GPUCompilationInfo
實驗性質GPUCompilationMessage
實驗性質GPUComputePassEncoder
實驗性質GPUComputePipeline
實驗性質GPUDevice
實驗性質GPUDeviceLostInfo
實驗性質GPUError
實驗性質GPUExternalTexture
實驗性質GPUInternalError
實驗性質GPUOutOfMemoryError
實驗性質GPUPipelineError
實驗性質GPUPipelineLayout
實驗性質GPUQuerySet
實驗性質GPUQueue
實驗性質GPURenderBundle
實驗性質GPURenderBundleEncoder
實驗性質GPURenderPassEncoder
實驗性質GPURenderPipeline
實驗性質GPUSampler
實驗性質GPUShaderModule
實驗性質GPUSupportedFeatures
實驗性質GPUSupportedLimits
實驗性質GPUTexture
實驗性質GPUTextureView
實驗性質GPUUncapturedErrorEvent
實驗性質GPUValidationError
實驗性質GravitySensor
Gyroscope
H
HashChangeEvent
Headers
HID
實驗性質HIDConnectionEvent
實驗性質HIDDevice
實驗性質HIDInputReportEvent
實驗性質Highlight
HighlightRegistry
History
HkdfParams
HmacImportParams
HmacKeyGenParams
HMDVRDevice
Non-standard 已棄用HTMLAllCollection
HTMLAnchorElement
HTMLAreaElement
HTMLAudioElement
HTMLBaseElement
HTMLBodyElement
HTMLBRElement
HTMLButtonElement
HTMLCanvasElement
HTMLCollection
HTMLDataElement
HTMLDataListElement
HTMLDetailsElement
HTMLDialogElement
HTMLDivElement
HTMLDListElement
HTMLDocument
HTMLElement
HTMLEmbedElement
HTMLFencedFrameElement
實驗性質HTMLFieldSetElement
HTMLFontElement
已棄用HTMLFormControlsCollection
HTMLFormElement
HTMLFrameSetElement
已棄用HTMLHeadElement
HTMLHeadingElement
HTMLHRElement
HTMLHtmlElement
HTMLIFrameElement
HTMLImageElement
HTMLInputElement
HTMLLabelElement
HTMLLegendElement
HTMLLIElement
HTMLLinkElement
HTMLMapElement
HTMLMarqueeElement
已棄用HTMLMediaElement
HTMLMenuElement
HTMLMetaElement
HTMLMeterElement
HTMLModElement
HTMLObjectElement
HTMLOListElement
HTMLOptGroupElement
HTMLOptionElement
HTMLOptionsCollection
HTMLOutputElement
HTMLParagraphElement
HTMLParamElement
已棄用HTMLPictureElement
HTMLPreElement
HTMLProgressElement
HTMLQuoteElement
HTMLScriptElement
HTMLSelectElement
HTMLSlotElement
HTMLSourceElement
HTMLSpanElement
HTMLStyleElement
HTMLTableCaptionElement
HTMLTableCellElement
HTMLTableColElement
HTMLTableElement
HTMLTableRowElement
HTMLTableSectionElement
HTMLTemplateElement
HTMLTextAreaElement
HTMLTimeElement
HTMLTitleElement
HTMLTrackElement
HTMLUListElement
HTMLUnknownElement
HTMLVideoElement
I
IDBCursor
IDBCursorWithValue
IDBDatabase
IDBFactory
IDBIndex
IDBKeyRange
IDBObjectStore
IDBOpenDBRequest
IDBRequest
IDBTransaction
IDBVersionChangeEvent
IdentityCredential
實驗性質IdentityCredentialRequestOptions
IdentityProvider
實驗性質IdleDeadline
IdleDetector
實驗性質IIRFilterNode
ImageBitmap
ImageBitmapRenderingContext
ImageCapture
實驗性質ImageData
ImageDecoder
ImageTrack
ImageTrackList
Ink
實驗性質InputDeviceCapabilities
實驗性質InputDeviceInfo
InputEvent
InstallEvent
IntersectionObserver
IntersectionObserverEntry
InterventionReportBody
實驗性質
K
L
LargestContentfulPaint
LaunchParams
實驗性質LaunchQueue
實驗性質LayoutShift
實驗性質LayoutShiftAttribution
實驗性質LinearAccelerationSensor
Location
Lock
LockManager
M
Magnetometer
實驗性質MathMLElement
MediaCapabilities
MediaDeviceInfo
MediaDevices
MediaElementAudioSourceNode
MediaEncryptedEvent
MediaError
MediaKeyMessageEvent
MediaKeys
MediaKeySession
MediaKeyStatusMap
MediaKeySystemAccess
MediaList
MediaMetadata
MediaQueryList
MediaQueryListEvent
MediaRecorder
MediaRecorderErrorEvent
Non-standard 已棄用MediaSession
MediaSource
MediaSourceHandle
MediaStream
MediaStreamAudioDestinationNode
MediaStreamAudioSourceNode
MediaStreamEvent
Non-standard 已棄用MediaStreamTrack
MediaStreamTrackAudioSourceNode
MediaStreamTrackEvent
MediaStreamTrackGenerator
實驗性質 Non-standardMediaStreamTrackProcessor
MediaTrackConstraints
MediaTrackSettings
MediaTrackSupportedConstraints
MerchantValidationEvent
已棄用MessageChannel
MessageEvent
MessagePort
Metadata
實驗性質 Non-standardMIDIAccess
MIDIConnectionEvent
MIDIInput
MIDIInputMap
MIDIMessageEvent
MIDIOutput
MIDIOutputMap
MIDIPort
MimeType
已棄用MimeTypeArray
已棄用MouseEvent
MouseScrollEvent
Non-standard 已棄用MutationEvent
已棄用MutationObserver
MutationRecord
N
NamedNodeMap
NavigateEvent
實驗性質Navigation
實驗性質NavigationActivation
實驗性質NavigationCurrentEntryChangeEvent
實驗性質NavigationDestination
實驗性質NavigationHistoryEntry
實驗性質NavigationPreloadManager
NavigationTransition
實驗性質Navigator
NavigatorLogin
實驗性質NavigatorUAData
實驗性質NDEFMessage
實驗性質NDEFReader
實驗性質NDEFReadingEvent
實驗性質NDEFRecord
實驗性質NetworkInformation
Node
NodeIterator
NodeList
Notification
NotificationEvent
NotRestoredReasonDetails
實驗性質NotRestoredReasons
實驗性質
O
OES_draw_buffers_indexed
OfflineAudioCompletionEvent
OfflineAudioContext
OffscreenCanvas
OffscreenCanvasRenderingContext2D
OrientationSensor
OscillatorNode
OTPCredential
實驗性質OverconstrainedError
P
PageRevealEvent
PageSwapEvent
PageTransitionEvent
PaintWorkletGlobalScope
實驗性質PannerNode
PasswordCredential
實驗性質PasswordCredentialInit
Path2D
PaymentAddress
Non-standard 已棄用PaymentManager
實驗性質PaymentMethodChangeEvent
PaymentRequest
PaymentRequestEvent
實驗性質PaymentRequestUpdateEvent
PaymentResponse
Pbkdf2Params
Performance
PerformanceElementTiming
實驗性質PerformanceEntry
PerformanceEventTiming
PerformanceLongAnimationFrameTiming
實驗性質PerformanceLongTaskTiming
實驗性質PerformanceMark
PerformanceMeasure
PerformanceNavigation
已棄用PerformanceNavigationTiming
PerformanceObserver
PerformanceObserverEntryList
PerformancePaintTiming
PerformanceResourceTiming
PerformanceScriptTiming
實驗性質PerformanceServerTiming
PerformanceTiming
已棄用PeriodicSyncEvent
實驗性質PeriodicSyncManager
實驗性質PeriodicWave
Permissions
PermissionStatus
PictureInPictureEvent
PictureInPictureWindow
Plugin
已棄用PluginArray
已棄用Point
Non-standard 已棄用PointerEvent
PopStateEvent
PositionSensorVRDevice
Non-standard 已棄用Presentation
實驗性質PresentationAvailability
實驗性質PresentationConnection
實驗性質PresentationConnectionAvailableEvent
實驗性質PresentationConnectionCloseEvent
實驗性質PresentationConnectionList
實驗性質PresentationReceiver
實驗性質PresentationRequest
實驗性質PressureObserver
實驗性質PressureRecord
實驗性質ProcessingInstruction
ProgressEvent
PromiseRejectionEvent
PublicKeyCredential
PublicKeyCredentialCreationOptions
PublicKeyCredentialRequestOptions
PushEvent
PushManager
PushMessageData
PushSubscription
PushSubscriptionOptions
R
RadioNodeList
Range
ReadableByteStreamController
ReadableStream
ReadableStreamBYOBReader
ReadableStreamBYOBRequest
ReadableStreamDefaultController
ReadableStreamDefaultReader
RelativeOrientationSensor
RemotePlayback
Report
ReportBody
ReportingObserver
Request
RequestInit
ResizeObserver
ResizeObserverEntry
ResizeObserverSize
Response
RsaHashedImportParams
RsaHashedKeyGenParams
RsaOaepParams
RsaPssParams
RTCAudioSourceStats
RTCCertificate
RTCCertificateStats
RTCCodecStats
RTCDataChannel
RTCDataChannelEvent
RTCDataChannelStats
RTCDtlsTransport
RTCDTMFSender
RTCDTMFToneChangeEvent
RTCEncodedAudioFrame
RTCEncodedVideoFrame
RTCError
RTCErrorEvent
RTCIceCandidate
RTCIceCandidatePair
RTCIceCandidatePairStats
RTCIceCandidateStats
RTCIceParameters
RTCIceTransport
RTCIdentityAssertion
實驗性質RTCInboundRtpStreamStats
RTCOutboundRtpStreamStats
RTCPeerConnection
RTCPeerConnectionIceErrorEvent
RTCPeerConnectionIceEvent
RTCPeerConnectionStats
RTCRemoteInboundRtpStreamStats
RTCRemoteOutboundRtpStreamStats
RTCRtpReceiver
RTCRtpScriptTransform
RTCRtpScriptTransformer
RTCRtpSender
RTCRtpStreamStats
RTCRtpTransceiver
RTCSctpTransport
RTCSessionDescription
RTCStatsReport
RTCTrackEvent
RTCTransformEvent
RTCTransportStats
RTCVideoSourceStats
S
Scheduler
Scheduling
實驗性質Screen
ScreenDetailed
實驗性質ScreenDetails
實驗性質ScreenOrientation
ScriptProcessorNode
已棄用ScrollTimeline
實驗性質SecurePaymentConfirmationRequest
SecurityPolicyViolationEvent
Selection
Sensor
SensorErrorEvent
Serial
實驗性質SerialPort
實驗性質ServiceWorker
ServiceWorkerContainer
ServiceWorkerGlobalScope
ServiceWorkerRegistration
ShadowRoot
SharedStorage
實驗性質SharedStorageOperation
實驗性質SharedStorageRunOperation
實驗性質SharedStorageSelectURLOperation
實驗性質SharedStorageWorklet
實驗性質SharedStorageWorkletGlobalScope
實驗性質SharedWorker
SharedWorkerGlobalScope
SnapEvent
實驗性質SourceBuffer
SourceBufferList
SpeechGrammar
實驗性質SpeechGrammarList
實驗性質SpeechRecognition
SpeechRecognitionAlternative
SpeechRecognitionErrorEvent
SpeechRecognitionEvent
SpeechRecognitionResult
SpeechRecognitionResultList
SpeechSynthesis
SpeechSynthesisErrorEvent
SpeechSynthesisEvent
SpeechSynthesisUtterance
SpeechSynthesisVoice
StaticRange
StereoPannerNode
Storage
StorageAccessHandle
StorageEvent
StorageManager
StylePropertyMap
StylePropertyMapReadOnly
StyleSheet
StyleSheetList
SubmitEvent
SubtleCrypto
SVGAElement
SVGAngle
SVGAnimateColorElement
已棄用SVGAnimatedAngle
SVGAnimatedBoolean
SVGAnimatedEnumeration
SVGAnimatedInteger
SVGAnimatedLength
SVGAnimatedLengthList
SVGAnimatedNumber
SVGAnimatedNumberList
SVGAnimatedPreserveAspectRatio
SVGAnimatedRect
SVGAnimatedString
SVGAnimatedTransformList
SVGAnimateElement
SVGAnimateMotionElement
SVGAnimateTransformElement
SVGAnimationElement
SVGCircleElement
SVGClipPathElement
SVGComponentTransferFunctionElement
SVGCursorElement
已棄用SVGDefsElement
SVGDescElement
SVGElement
SVGEllipseElement
SVGEvent
SVGFEBlendElement
SVGFEColorMatrixElement
SVGFEComponentTransferElement
SVGFECompositeElement
SVGFEConvolveMatrixElement
SVGFEDiffuseLightingElement
SVGFEDisplacementMapElement
SVGFEDistantLightElement
SVGFEDropShadowElement
SVGFEFloodElement
SVGFEFuncAElement
SVGFEFuncBElement
SVGFEFuncGElement
SVGFEFuncRElement
SVGFEGaussianBlurElement
SVGFEImageElement
SVGFEMergeElement
SVGFEMergeNodeElement
SVGFEMorphologyElement
SVGFEOffsetElement
SVGFEPointLightElement
SVGFESpecularLightingElement
SVGFESpotLightElement
SVGFETileElement
SVGFETurbulenceElement
SVGFilterElement
SVGFontElement
已棄用SVGFontFaceElement
已棄用SVGFontFaceFormatElement
已棄用SVGFontFaceNameElement
已棄用SVGFontFaceSrcElement
已棄用SVGFontFaceUriElement
已棄用SVGForeignObjectElement
SVGGElement
SVGGeometryElement
SVGGlyphElement
已棄用SVGGlyphRefElement
已棄用SVGGradientElement
SVGGraphicsElement
SVGHKernElement
已棄用SVGImageElement
SVGLength
SVGLengthList
SVGLinearGradientElement
SVGLineElement
SVGMarkerElement
SVGMaskElement
SVGMetadataElement
SVGMissingGlyphElement
已棄用SVGMPathElement
SVGNumber
SVGNumberList
SVGPathElement
SVGPatternElement
SVGPoint
已棄用SVGPointList
SVGPolygonElement
SVGPolylineElement
SVGPreserveAspectRatio
SVGRadialGradientElement
SVGRect
SVGRectElement
SVGRenderingIntent
已棄用SVGScriptElement
SVGSetElement
SVGStopElement
SVGStringList
SVGStyleElement
SVGSVGElement
SVGSwitchElement
SVGSymbolElement
SVGTextContentElement
SVGTextElement
SVGTextPathElement
SVGTextPositioningElement
SVGTitleElement
SVGTransform
SVGTransformList
SVGTRefElement
已棄用SVGTSpanElement
SVGUnitTypes
SVGUseElement
SVGViewElement
SVGVKernElement
已棄用SyncEvent
SyncManager
T
TaskAttributionTiming
實驗性質TaskController
TaskPriorityChangeEvent
TaskSignal
Text
TextDecoder
TextDecoderStream
TextEncoder
TextEncoderStream
TextEvent
已棄用TextFormat
實驗性質TextFormatUpdateEvent
實驗性質TextMetrics
TextTrack
TextTrackCue
TextTrackCueList
TextTrackList
TextUpdateEvent
實驗性質TimeEvent
TimeRanges
ToggleEvent
Touch
TouchEvent
TouchList
TrackEvent
TransformStream
TransformStreamDefaultController
TransitionEvent
TreeWalker
TrustedHTML
TrustedScript
TrustedScriptURL
TrustedTypePolicy
TrustedTypePolicyFactory
U
UIEvent
URL
URLPattern
實驗性質URLSearchParams
USB
實驗性質USBAlternateInterface
實驗性質USBConfiguration
實驗性質USBConnectionEvent
實驗性質USBDevice
實驗性質USBEndpoint
實驗性質USBInterface
實驗性質USBInTransferResult
實驗性質USBIsochronousInTransferPacket
實驗性質USBIsochronousInTransferResult
實驗性質USBIsochronousOutTransferPacket
實驗性質USBIsochronousOutTransferResult
實驗性質USBOutTransferResult
實驗性質UserActivation
V
ValidityState
VideoColorSpace
VideoDecoder
VideoEncoder
VideoFrame
VideoPlaybackQuality
VideoTrack
VideoTrackList
ViewTimeline
實驗性質ViewTransition
VirtualKeyboard
實驗性質VisibilityStateEntry
實驗性質VisualViewport
VRDisplay
Non-standard 已棄用VRDisplayCapabilities
Non-standard 已棄用VRDisplayEvent
Non-standard 已棄用VREyeParameters
Non-standard 已棄用VRFieldOfView
Non-standard 已棄用VRFrameData
Non-standard 已棄用VRLayerInit
已棄用VRPose
Non-standard 已棄用VRStageParameters
Non-standard 已棄用VTTCue
VTTRegion
W
WakeLock
WakeLockSentinel
WaveShaperNode
WebGL2RenderingContext
WebGLActiveInfo
WebGLBuffer
WebGLContextEvent
WebGLFramebuffer
WebGLObject
實驗性質WebGLProgram
WebGLQuery
WebGLRenderbuffer
WebGLRenderingContext
WebGLSampler
WebGLShader
WebGLShaderPrecisionFormat
WebGLSync
WebGLTexture
WebGLTransformFeedback
WebGLUniformLocation
WebGLVertexArrayObject
WebSocket
WebSocketStream
實驗性質WebTransport
WebTransportBidirectionalStream
WebTransportDatagramDuplexStream
WebTransportError
WebTransportReceiveStream
實驗性質WebTransportSendStream
實驗性質WGSLLanguageFeatures
實驗性質WheelEvent
Window
WindowClient
WindowControlsOverlay
實驗性質WindowControlsOverlayGeometryChangeEvent
實驗性質WindowSharedStorage
實驗性質Worker
WorkerGlobalScope
WorkerLocation
WorkerNavigator
Worklet
WorkletGlobalScope
WorkletSharedStorage
實驗性質WritableStream
WritableStreamDefaultController
WritableStreamDefaultWriter
X
XMLDocument
XMLHttpRequest
XMLHttpRequestEventTarget
XMLHttpRequestUpload
XMLSerializer
XPathEvaluator
XPathException
XPathExpression
XPathResult
XRAnchor
實驗性質XRAnchorSet
實驗性質XRBoundedReferenceSpace
實驗性質XRCompositionLayer
實驗性質XRCPUDepthInformation
實驗性質XRCubeLayer
實驗性質XRCylinderLayer
實驗性質XRDepthInformation
實驗性質XREquirectLayer
實驗性質XRFrame
實驗性質XRHand
XRHitTestResult
實驗性質XRHitTestSource
實驗性質XRInputSource
XRInputSourceArray
實驗性質XRInputSourceEvent
XRInputSourcesChangeEvent
XRJointPose
XRJointSpace
XRLayer
實驗性質XRLayerEvent
實驗性質XRLightEstimate
實驗性質XRLightProbe
實驗性質XRMediaBinding
實驗性質XRPose
XRProjectionLayer
實驗性質XRQuadLayer
實驗性質XRRay
實驗性質XRReferenceSpace
XRReferenceSpaceEvent
XRRenderState
實驗性質XRRigidTransform
XRSession
實驗性質XRSessionEvent
XRSpace
XRSubImage
實驗性質XRSystem
實驗性質XRTransientInputHitTestResult
實驗性質XRTransientInputHitTestSource
實驗性質XRView
實驗性質XRViewerPose
XRViewport
XRWebGLBinding
實驗性質XRWebGLDepthInformation
實驗性質XRWebGLLayer
實驗性質XRWebGLSubImage
實驗性質XSLTProcessor