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Web API
在编写 Web 代码时，有大量可用的 Web API。下面是开发 Web 应用程序或网站时可以使用的所有 API 和接口（对象类型）的列表。
Web API 主要与 JavaScript 一起使用，但情况并非总是如此。
规范
这是所有可用 API 的列表。
A
B
- Background Fetch API实验性
- Background Synchronization API
- Background Tasks API
- Badging API
- Barcode Detection API实验性
- Battery Status API
- Beacon API
- Web Bluetooth API实验性
- Broadcast Channel API
C
- CSS 自定义高亮 API
- CSS Font Loading API
- CSS Painting API实验性
- CSS 属性和值 API
- CSS 类型对象模型 API
- CSS 对象模型（CSSOM）
- CSSOM view API
- Canvas API
- Channel Messaging API
- Clipboard API
- Compression Stream API
- Compute Pressure API实验性
- Console API
- Contact Picker API实验性
- Content Index API实验性
- Cookie Store API
- Credential Management API
D
E
F
- Federated Credential Management (FedCM) API实验性
- 围栏框架 API实验性
- Fetch API
- 文件 API
- 文件系统 API
- 文件与目录条目 API
- Force Touch events非标准
- 全屏 API
G
H
I
- Idle Detection API实验性
- MediaStream Image Capture API
- IndexedDB
- Ink API实验性
- InputDeviceCapabilities API实验性
- Insertable Streams for MediaStreamTrack API实验性
- 交叉观察器 API
- 调用者命令 API
J
K
L
M
- Media Capabilities API
- 媒体捕捉与媒体流 API（媒体流）
- Media Session API
- Media Source Extensions API
- MediaStream Recording API
N
P
- 页面可见性 API
- Payment Handler API实验性
- 支付请求接口
- Performance API
- Web Periodic Background Synchronization API实验性
- 权限 API
- 画中画 API
- Pointer events 指针事件
- 指针锁定 API
- Popover API
- Presentation API实验性
- Prioritized Task Scheduling API
- Push API
R
S
- SVG API
- 屏幕捕捉 API
- Screen Orientation API
- Screen Wake Lock API
- Selection API
- Sensor APIs
- 服务器发送事件
- Service Worker API
- Shared Storage API实验性
- 推测规则 API实验性
- Storage API
- Storage Access API
- Stream API
- Summarizer API实验性
T
U
V
W
- Web Animations API
- Web Audio API
- Web Authentication API
- Web Component
- Web Crypto API
- Web Locks API
- Web MIDI API
- Web NFC API实验性
- Notifications API
- Web Serial API实验性
- Web 共享 API
- Web Speech API
- Web Storage API
- Web Worker API
- WebCodecs API
- WebGL：web 中的 2D 的 3D 图形
- WebGPU API
- WebHID API实验性
- WebOTP API实验性
- WebRTC API
- WebSocket API
- WebTransport API
- WebUSB API实验性
- WebVR API非标准已弃用
- Web 视频文本轨格式（WebVTT）
- WebXR 设备 接口参考实验性
- Window Controls Overlay API实验性
- Window Management API实验性
X
f
接口
这是所有接口（即对象类型）的列表。
A
AbortControllerAbortSignalAbsoluteOrientationSensorAbstractRangeAccelerometer实验性AesCbcParamsAesCtrParamsAesDerivedKeyParamsAesGcmParamsAesKeyGenParamsAmbientLightSensor实验性AnalyserNodeANGLE_instanced_arraysAnimationAnimationEffectAnimationEventAnimationPlaybackEventAnimationTimelineAttrAudioBufferAudioBufferSourceNodeAudioContextAudioDataAudioDecoderAudioDestinationNodeAudioEncoderAudioListenerAudioNodeAudioParamAudioParamDescriptorAudioParamMapAudioProcessingEvent已弃用AudioScheduledSourceNodeAudioSinkInfo实验性AudioTrackAudioTrackListAudioWorkletAudioWorkletGlobalScopeAudioWorkletNodeAudioWorkletProcessorAuthenticatorAssertionResponseAuthenticatorAttestationResponseAuthenticatorResponse
B
BackgroundFetchEvent实验性BackgroundFetchManager实验性BackgroundFetchRecord实验性BackgroundFetchRegistration实验性BackgroundFetchUpdateUIEvent实验性BarcodeDetector实验性BarPropBaseAudioContextBatteryManagerBeforeInstallPrompt实验性非标准BeforeUnloadEventBiquadFilterNodeBlobBlobEventBluetooth实验性BluetoothCharacteristicProperties实验性BluetoothDevice实验性BluetoothRemoteGATTCharacteristic实验性BluetoothRemoteGATTDescriptor实验性BluetoothRemoteGATTServer实验性BluetoothRemoteGATTService实验性BluetoothUUIDBroadcastChannelBrowserCaptureMediaStreamTrack实验性ByteLengthQueuingStrategy
C
CacheCacheStorageCanMakePaymentEvent实验性CanvasCaptureMediaStreamCanvasGradientCanvasPatternCanvasRenderingContext2DCaptureController实验性CaretPositionCDATASectionChannelMergerNodeChannelSplitterNodeChapterInformation实验性CharacterBoundsUpdateEvent实验性CharacterDataClientClientsClipboardClipboardEventClipboardItemCloseEventCloseWatcher实验性CommandEventCommentCompositionEventCompressionStream
c
C
ConstantSourceNodeContactAddress实验性ContactsManager实验性ContentIndex实验性ContentIndexEvent实验性ContentVisibilityAutoStateChangeEventConvolverNodeCookieChangeEventCookieStoreCookieStoreManagerCountQueuingStrategyCreateMonitor实验性CredentialCredentialsContainerCropTarget实验性CryptoCryptoKeyCryptoKeyPairCSPViolationReportBodyCSSCSSAnimationCSSConditionRuleCSSContainerRuleCSSCounterStyleRuleCSSFontFaceRuleCSSFontFeatureValuesRuleCSSFontPaletteValuesRuleCSSFunctionDeclarations实验性CSSFunctionDescriptors实验性CSSFunctionRule实验性CSSGroupingRuleCSSImageValueCSSImportRuleCSSKeyframeRuleCSSKeyframesRuleCSSKeywordValueCSSLayerBlockRuleCSSLayerStatementRuleCSSMathInvertCSSMathMaxCSSMathMinCSSMathNegateCSSMathProductCSSMathSumCSSMathValueCSSMatrixComponentCSSMediaRuleCSSNamespaceRuleCSSNestedDeclarationsCSSNumericArrayCSSNumericValueCSSPageDescriptorsCSSPageRuleCSSPerspectiveCSSPositionTryDescriptorsCSSPositionTryRuleCSSPositionValue非标准已弃用CSSPrimitiveValue已弃用CSSPropertyRuleCSSPseudoElement实验性CSSRotateCSSRuleCSSRuleListCSSScaleCSSScopeRuleCSSSkewCSSSkewXCSSSkewYCSSStartingStyleRuleCSSStyleDeclarationCSSStylePropertiesCSSStyleRuleCSSStyleSheetCSSStyleValueCSSSupportsRuleCSSTransformComponentCSSTransformValueCSSTransitionCSSTranslateCSSUnitValueCSSUnparsedValueCSSValue已弃用CSSValueList已弃用CSSVariableReferenceValueCustomElementRegistryCustomEventCustomStateSet
D
DataTransferDataTransferItemDataTransferItemListDecompressionStreamDedicatedWorkerGlobalScopeDeferredRequestInit实验性DelayNodeDelegatedInkTrailPresenter实验性DeprecationReportBody实验性DeviceMotionEventDeviceAccelerationDeviceMotionEventRotationRateDeviceOrientationEventDevicePosture实验性DirectoryEntrySync非标准已弃用DirectoryReaderSync非标准已弃用DocumentDocumentFragmentDocumentPictureInPicture实验性DocumentPictureInPictureEvent实验性DocumentTimelineDocumentTypeDOMError已弃用DOMExceptionDOMHighResTimeStampDOMImplementationDOMMatrixDOMMatrixReadOnlyDOMParserDOMPointDOMPointReadOnlyDOMQuadDOMRectDOMRectListDOMRectReadOnlyDOMStringListDOMStringMapDOMTokenListDragEventDynamicsCompressorNode
E
EcdhKeyDeriveParamsEcdsaParamsEcKeyGenParamsEcKeyImportParamsEditContext实验性ElementElementInternalsEncodedAudioChunkEncodedVideoChunkErrorEventEventEventCountsEventSourceEventTargetExtendableCookieChangeEventExtendableEventExtendableMessageEventEyeDropper实验性
F
FeaturePolicy实验性FederatedCredential实验性FederatedCredentialInitFence实验性FencedFrameConfig实验性FetchEventFetchLaterResult实验性FileFileEntrySync非标准已弃用FileListFileReaderFileReaderSyncFileSystemFileSystemChangeRecordFileSystemDirectoryEntryFileSystemDirectoryHandleFileSystemDirectoryReaderFileSystemEntryFileSystemFileEntryFileSystemFileHandleFileSystemHandleFileSystemObserver实验性非标准FileSystemSync非标准已弃用FileSystemSyncAccessHandleFileSystemWritableFileStreamFocusEventFontData实验性FontFaceFontFaceSetFontFaceSetLoadEventFormDataFormDataEventFragmentDirective
G
GainNodeGamepadGamepadButtonGamepadEventGamepadHapticActuatorGamepadPose实验性GeolocationCoordinatesPositionPositionErrorGestureEvent非标准GPUGPUAdapterGPUAdapterInfoGPUBindGroupGPUBindGroupLayoutGPUBufferGPUCanvasContextGPUCommandBufferGPUCommandEncoderGPUCompilationInfoGPUCompilationMessageGPUComputePassEncoderGPUComputePipelineGPUDeviceGPUDeviceLostInfoGPUErrorGPUExternalTextureGPUInternalErrorGPUOutOfMemoryErrorGPUPipelineErrorGPUPipelineLayoutGPUQuerySetGPUQueueGPURenderBundleGPURenderBundleEncoderGPURenderPassEncoderGPURenderPipelineGPUSamplerGPUShaderModuleGPUSupportedFeaturesGPUSupportedLimitsGPUTextureGPUTextureViewGPUUncapturedErrorEventGPUValidationErrorGravitySensorGyroscope
H
HashChangeEventHeadersHID实验性HIDConnectionEvent实验性HIDDevice实验性HIDInputReportEvent实验性HighlightHighlightRegistryHistoryHkdfParamsHmacImportParamsHmacKeyGenParamsHMDVRDevice非标准已弃用HTMLAllCollectionHTMLAnchorElementHTMLAreaElementHTMLAudioElementHTMLBaseElementHTMLBodyElementHTMLBRElementHTMLButtonElementHTMLCanvasElementHTMLCollectionHTMLDataElementHTMLDataListElementHTMLDetailsElementHTMLDialogElementHTMLDivElementHTMLDListElementHTMLDocumentHTMLElementHTMLEmbedElementHTMLFencedFrameElement实验性HTMLFieldSetElementHTMLFontElement已弃用HTMLFormControlsCollectionHTMLFormElementHTMLFrameSetElement已弃用HTMLHeadElementHTMLHeadingElementHTMLHRElementHTMLHtmlElementHTMLIFrameElementHTMLImageElementHTMLInputElementHTMLLabelElementHTMLLegendElementHTMLLIElementHTMLLinkElementHTMLMapElementHTMLMarqueeElement已弃用HTMLMediaElementHTMLMenuElementHTMLMetaElementHTMLMeterElementHTMLModElementHTMLObjectElementHTMLOListElementHTMLOptGroupElementHTMLOptionElementHTMLOptionsCollectionHTMLOutputElementHTMLParagraphElementHTMLParamElement已弃用HTMLPictureElementHTMLPreElementHTMLProgressElementHTMLQuoteElementHTMLScriptElementHTMLSelectedContentElement实验性HTMLSelectElementHTMLSlotElementHTMLSourceElementHTMLSpanElementHTMLStyleElementHTMLTableCaptionElementHTMLTableCellElementHTMLTableColElementHTMLTableElementHTMLTableRowElementHTMLTableSectionElementHTMLTemplateElementHTMLTextAreaElementHTMLTimeElementHTMLTitleElementHTMLTrackElementHTMLUListElementHTMLUnknownElementHTMLVideoElement
I
IDBCursorIDBCursorWithValueIDBDatabaseIDBFactoryIDBIndexIDBKeyRangeIDBObjectStoreIDBOpenDBRequestIDBRequestIDBTransactionIDBVersionChangeEventIdentityCredential实验性IdentityCredentialError实验性IdentityCredentialRequestOptions实验性IdentityProvider实验性IdleDeadlineIdleDetector实验性IIRFilterNodeImageBitmapImageBitmapRenderingContextImageCaptureImageDataImageDecoderImageTrackImageTrackListInk实验性InputDeviceCapabilities实验性InputDeviceInfoInputEventInstallEventIntegrityViolationReportBodyIntersectionObserverIntersectionObserverEntryInterventionReportBody实验性
K
L
LanguageDetector实验性LargestContentfulPaintLaunchParams实验性LaunchQueue实验性LayoutShift实验性LayoutShiftAttribution实验性LinearAccelerationSensorLocationLockLockManager
M
Magnetometer实验性MathMLElementMediaCapabilitiesMediaDeviceInfoMediaDevicesMediaElementAudioSourceNodeMediaEncryptedEventMediaErrorMediaKeyMessageEventMediaKeysMediaKeySessionMediaKeyStatusMapMediaKeySystemAccessMediaListMediaMetadataMediaQueryListMediaQueryListEventMediaRecorderMediaRecorderErrorEvent非标准已弃用MediaSessionMediaSourceMediaSourceHandle媒体流 (MediaStream)MediaStreamAudioDestinationNodeMediaStreamAudioSourceNodeMediaStreamEvent非标准已弃用MediaStreamTrackMediaStreamTrackAudioSourceNodeMediaStreamTrackEventMediaStreamTrackGenerator实验性非标准MediaStreamTrackProcessor媒体追踪约束MediaTrackSettingsMediaTrackSupportedConstraintsMerchantValidationEvent已弃用MessageChannelMessageEventMessagePortMetadata实验性非标准MIDIAccessMIDIConnectionEventMIDIInputMIDIInputMapMIDIMessageEventMIDIOutputMIDIOutputMapMIDIPortMimeType已弃用MimeTypeArray已弃用鼠标事件MouseScrollEvent非标准已弃用MutationEvent非标准已弃用MutationObserverMutationRecord
N
NamedNodeMapNavigateEvent实验性Navigation实验性NavigationActivation实验性NavigationCurrentEntryChangeEvent实验性NavigationDestination实验性NavigationHistoryEntry实验性NavigationPrecommitController实验性NavigationPreloadManagerNavigationTransition实验性NavigatorNavigatorLoginNavigatorUAData实验性NDEFMessage实验性NDEFReader实验性NDEFReadingEvent实验性NDEFRecord实验性NetworkInformationNodeNodeIteratorNodeListNotificationNotificationEventNotRestoredReasonDetails实验性NotRestoredReasons实验性
O
OES_draw_buffers_indexedOfflineAudioCompletionEventOfflineAudioContextOffscreenCanvasOffscreenCanvasRenderingContext2DOrientationSensorOscillatorNodeOTPCredential实验性OverconstrainedError
P
PageRevealEventPageSwapEventPageTransitionEventPaintRenderingContext2DPaintSizePaintWorkletGlobalScope实验性PannerNodePasswordCredential实验性PasswordCredentialInitPath2DPaymentAddress非标准已弃用PaymentManager实验性PaymentMethodChangeEventPaymentRequestPaymentRequestEvent实验性PaymentRequestUpdateEventPaymentResponsePbkdf2ParamsPerformancePerformanceElementTiming实验性PerformanceEntryPerformanceEventTimingPerformanceLongAnimationFrameTiming实验性Long Tasks API实验性PerformanceMarkPerformanceMeasurePerformanceNavigation已弃用PerformanceNavigationTiming性能监测对象PerformanceObserverEntryListPerformancePaintTimingPerformanceResourceTimingPerformanceScriptTiming实验性PerformanceServerTimingPerformanceTiming已弃用PeriodicSyncEvent实验性PeriodicSyncManager实验性PeriodicWavePermissionsPermissionStatusPictureInPictureEventPictureInPictureWindowPlugin已弃用PluginArray已弃用Point非标准已弃用PointerEventPopStateEventPositionSensorVRDevice非标准已弃用Presentation实验性PresentationAvailability实验性PresentationConnection实验性PresentationConnectionAvailableEvent实验性PresentationConnectionCloseEvent实验性PresentationConnectionList实验性PresentationReceiver实验性PresentationRequest实验性PressureObserver实验性PressureRecord实验性ProcessingInstructionProfiler实验性ProgressEventPromiseRejectionEventPublicKeyCredentialPublicKeyCredentialCreationOptionsPublicKeyCredentialRequestOptionsPushEventPushManagerPushMessageDataPushSubscriptionPushSubscriptionOptions
Q
R
RadioNodeListRangeReadableByteStreamControllerReadableStreamReadableStreamBYOBReaderReadableStreamBYOBRequestReadableStreamDefaultControllerReadableStreamDefaultReaderRelativeOrientationSensorRemotePlaybackReportReportBodyReportingObserverRequestRequestInitResizeObserverResizeObserverEntryResizeObserverSizeResponseRestrictionTarget实验性RsaHashedImportParamsRsaHashedKeyGenParamsRsaOaepParamsRsaPssParamsRTCAudioSourceStatsRTCCertificateRTCCertificateStatsRTCCodecStatsRTCDataChannelRTCDataChannelEventRTCDataChannelStatsRTCDtlsTransportRTCDTMFSenderRTCDTMFToneChangeEventRTCEncodedAudioFrameRTCEncodedVideoFrameRTCErrorRTCErrorEventRTCIceCandidateRTCIceCandidatePairRTCIceCandidatePairStatsRTCIceCandidateStatsRTCIceParametersRTCIceTransportRTCIdentityAssertion实验性RTCInboundRtpStreamStatsRTCOutboundRtpStreamStatsRTCPeerConnectionRTCPeerConnectionIceErrorEventRTCPeerConnectionIceEventRTCPeerConnectionStatsRTCRemoteInboundRtpStreamStatsRTCRemoteOutboundRtpStreamStatsRTCRtpReceiverRTCRtpScriptTransformRTCRtpScriptTransformerRTCRtpSenderRTCRtpTransceiverRTCSctpTransportRTCSessionDescriptionRTCStatsReportRTCTrackEventRTCTransformEventRTCTransportStatsRTCVideoSourceStats
S
Sanitizer实验性SanitizerConfig实验性SchedulerScheduling实验性ScreenScreenDetailed实验性ScreenDetails实验性ScreenOrientationScriptProcessorNode已弃用ScrollTimelineSecurePaymentConfirmationRequestSecurityPolicyViolationEventSelectionSensorSensorErrorEventSerial实验性SerialPort实验性ServiceWorkerServiceWorkerContainerServiceWorkerGlobalScopeServiceWorkerRegistrationShadowRootSharedStorage实验性SharedStorageOperation实验性SharedStorageRunOperation实验性SharedStorageSelectURLOperation实验性SharedStorageWorklet实验性SharedStorageWorkletGlobalScope实验性SharedWorkerSharedWorkerGlobalScopeSnapEvent实验性SourceBufferSourceBufferListSpeechGrammar已弃用SpeechGrammarList已弃用SpeechRecognitionSpeechRecognitionAlternativeSpeechRecognitionErrorEventSpeechRecognitionEventSpeechRecognitionPhrase实验性SpeechRecognitionResultSpeechRecognitionResultListSpeechSynthesisSpeechSynthesisErrorEventSpeechSynthesisEventSpeechSynthesisUtteranceSpeechSynthesisVoiceStaticRangeStereoPannerNodeStorageStorageAccessHandleStorageEventStorageManagerStylePropertyMapStylePropertyMapReadOnlyStyleSheetStyleSheetListSubmitEventSubtleCryptoSummarizer实验性SVGAElementSVGAngleSVGAnimateColorElement已弃用SVGAnimatedAngleSVGAnimatedBooleanSVGAnimatedEnumerationSVGAnimatedIntegerSVGAnimatedLengthSVGAnimatedLengthListSVGAnimatedNumberSVGAnimatedNumberListSVGAnimatedPreserveAspectRatioSVGAnimatedRectSVGAnimatedStringSVGAnimatedTransformListSVGAnimateElementSVGAnimateMotionElementSVGAnimateTransformElementSVGAnimationElementSVGCircleElementSVGClipPathElementSVGComponentTransferFunctionElementSVGDefsElementSVGDescElementSVGDiscardElement已弃用SVGElementSVGEllipseElementSVGFEBlendElementSVGFEColorMatrixElementSVGFEComponentTransferElementSVGFECompositeElementSVGFEConvolveMatrixElementSVGFEDiffuseLightingElementSVGFEDisplacementMapElementSVGFEDistantLightElementSVGFEDropShadowElementSVGFEFloodElementSVGFEFuncAElementSVGFEFuncBElementSVGFEFuncGElementSVGFEFuncRElementSVGFEGaussianBlurElementSVGFEImageElementSVGFEMergeElementSVGFEMergeNodeElementSVGFEMorphologyElementSVGFEOffsetElementSVGFEPointLightElementSVGFESpecularLightingElementSVGFESpotLightElementSVGFETileElementSVGFETurbulenceElementSVGFilterElementSVGForeignObjectElementSVGGElementSVGGeometryElementSVGGradientElementSVGGraphicsElementSVGImageElementSVGLengthSVGLengthListSVGLinearGradientElementSVGLineElementSVGMarkerElementSVGMaskElementSVGMetadataElementSVGMPathElementSVGNumberSVGNumberListSVGPathElementSVGPatternElementSVGPoint已弃用SVGPointListSVGPolygonElementSVGPolylineElementSVGPreserveAspectRatioSVGRadialGradientElementSVGRectSVGRectElementSVGRenderingIntent已弃用SVGScriptElementSVGSetElementSVGStopElementSVGStringListSVGStyleElementSVGSVGElementSVGSwitchElementSVGSymbolElementSVGTextContentElementSVGTextElementSVGTextPathElementSVGTextPositioningElementSVGTitleElementSVGTransformSVGTransformListSVGTSpanElementSVGUnitTypesSVGUseElementSVGViewElementSyncEventSyncManager
T
TaskAttributionTiming实验性TaskControllerTaskPriorityChangeEventTaskSignalTextTextDecoderTextDecoderStreamTextEncoderTextEncoderStreamTextEvent已弃用TextFormat实验性TextFormatUpdateEvent实验性TextMetricsTextTrackTextTrackCueTextTrackCueListTextTrackListTextUpdateEvent实验性TimeEventTimeRangesToggleEventTouchTouchEventTouchListTrackEventTransformStreamTransformStreamDefaultControllerTransitionEventTranslator实验性TreeWalkerTrustedHTMLTrustedScriptTrustedScriptURLTrustedTypePolicyTrustedTypePolicyFactory
U
UIEventURLURLPatternURLSearchParamsUSB实验性USBAlternateInterface实验性USBConfiguration实验性USBConnectionEvent实验性USBDevice实验性USBEndpoint实验性USBInterface实验性USBInTransferResult实验性USBIsochronousInTransferPacket实验性USBIsochronousInTransferResult实验性USBIsochronousOutTransferPacket实验性USBIsochronousOutTransferResult实验性USBOutTransferResult实验性UserActivation
V
ValidityStateVideoColorSpaceVideoDecoderVideoEncoderVideoFrameVideoPlaybackQualityVideoTrackVideoTrackGenerator实验性VideoTrackListViewport实验性ViewTimelineViewTransitionVirtualKeyboard实验性VisibilityStateEntry实验性VisualViewportVRDisplay非标准已弃用VRDisplayCapabilities非标准已弃用VRDisplayEvent非标准已弃用VREyeParameters非标准已弃用VRFieldOfView非标准已弃用VRFrameData非标准已弃用VRLayerInit非标准已弃用VRPose非标准已弃用VRStageParameters非标准已弃用VTTCueVTTRegion
W
WakeLockWakeLockSentinelWaveShaperNodeWebGL2RenderingContextWebGLActiveInfoWebGLBufferWebGLContextEventWebGLFramebufferWebGLObject实验性WebGLProgramWebGLQueryWebGLRenderbufferWebGLRenderingContextWebGLSamplerWebGLShaderWebGLShaderPrecisionFormatWebGLSyncWebGLTextureWebGLTransformFeedbackWebGLUniformLocationWebGLVertexArrayObjectWebSocketWebSocketStream实验性WebTransportWebTransportBidirectionalStreamWebTransportDatagramDuplexStreamWebTransportErrorWebTransportReceiveStream实验性WebTransportSendStream实验性WGSLLanguageFeaturesWheelEventWindowWindowClientWindowControlsOverlay实验性WindowControlsOverlayGeometryChangeEvent实验性WindowSharedStorage实验性WorkerWorkerGlobalScopeWorkerLocationWorkerNavigatorWorkletWorkletGlobalScopeWorkletSharedStorage实验性WritableStreamWritableStreamDefaultControllerWritableStreamDefaultWriter
X
XMLDocumentXMLHttpRequestXMLHttpRequestEventTargetXMLHttpRequestUploadXMLSerializerXPathEvaluatorXPathExpressionXPathResultXRAnchor实验性XRAnchorSet实验性XRBoundedReferenceSpace实验性XRCompositionLayer实验性XRCPUDepthInformation实验性XRCubeLayer实验性XRCylinderLayer实验性XRDepthInformation实验性XREquirectLayer实验性XRFrame实验性XRHandXRHitTestResult实验性XRHitTestSource实验性XRInputSourceXRInputSourceArray实验性XRInputSourceEventXRInputSourcesChangeEventXRJointPoseXRJointSpaceXRLayer实验性XRLayerEvent实验性XRLightEstimate实验性XRLightProbe实验性XRMediaBinding实验性XRPoseXRProjectionLayer实验性XRQuadLayer实验性XRRay实验性XRReferenceSpaceXRReferenceSpaceEventXRRenderState实验性XRRigidTransformXRSession实验性XRSessionEventXRSpaceXRSubImage实验性XRSystem实验性XRTransientInputHitTestResult实验性XRTransientInputHitTestSource实验性XRView实验性XRViewerPoseXRViewportXRWebGLBinding实验性XRWebGLDepthInformation实验性XRWebGLLayer实验性XRWebGLSubImage实验性XSLTProcessor