JavaScript を用いて Web 用のコードを書くときに使用可能な非常に多くの API があります。以下のすべてののリストは、あなたの Web アプリケーションや Web サイトを開発する際に役立つでしょう。これらの各インターフェイスを含む API のリストは、Web API リファレンス を参照してください。
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AbstractWorkerAnalyserNodeAnimationEventAppAppsArrayBufferArrayBufferViewAttrAudioBufferAudioBufferSourceNodeAudioContextAudioDestinationNodeAudioListenerAudioNodeAudioParamAudioProcessingEvent
BatteryManagerBiquadFilterNodeBlobBlobBuilderBlobEventBluetoothAdapterBluetoothDeviceBluetoothDeviceEventBluetoothManagerBluetoothStatusChangedEvent
CallEventCameraCapabilitiesCameraControlCameraManagerCanvasGradientCanvasImageSourceCanvasPatternCanvasPixelArrayCanvasRenderingContext2DCaretPositionCDATASectionChannelMergerNodeChannelSplitterNodeCharacterDataChildNodeChromeWorkerClipboardEventCloseEventCommentCompositionEventConnectionContactManagerContactsConvolverNodeCoordinatesCSSCSSConditionRuleCSSGroupingRuleCSSKeyframeRuleCSSKeyframesRuleCSSMediaRuleCSSNamespaceRuleCSSPageRuleCSSRuleCSSRuleListCSSStyleDeclarationCSSStyleRuleCSSStyleSheetCSSSupportsRuleCustomEvent
DataTransferDataViewDedicatedWorkerGlobalScopeDelayNodeDeviceAccelerationDeviceLightEventDeviceMotionEventDeviceOrientationEventDeviceProximityEventDeviceRotationRateDeviceStorageDeviceStorageChangeEventDirectoryEntryDirectoryEntrySyncDirectoryReaderDirectoryReaderSyncDocumentFragmentDocumentTouchDocumentTypeDOMConfigurationDOMCursorDOMErrorDOMErrorHandlerDOMExceptionDOMHighResTimeStampDOMImplementationDOMImplementationListDOMImplementationRegistryDOMImplementationSourceDOMLocatorDOMObjectDOMParserDOMRequestDOMStringDOMStringListDOMStringMapDOMTimeStampDOMTokenListDOMUserDataDynamicsCompressorNode
ElementElementTraversalEntityEntityReferenceEntryEntrySyncErrorEventEventListenerEventSourceEventTargetExtensions
FileFileEntryFileEntrySyncFileErrorFileExceptionFileHandleFileListFileReaderFileReaderSyncFileRequestFileSystemFileSystemSyncFloat32ArrayFloat64ArrayFMRadioFocusEventFormData
HistoryHTMLAnchorElementHTMLAreaElementHTMLAudioElementHTMLBaseElementHTMLBaseFontElementHTMLBodyElementHTMLBRElementHTMLButtonElementHTMLCanvasElementHTMLDataElementHTMLDataListElementHTMLDivElementHTMLDListElementHTMLElementHTMLEmbedElementHTMLFieldSetElementHTMLFormControlsCollectionHTMLFormElementHTMLHeadElementHTMLHeadingElementHTMLHRElementHTMLHtmlElementHTMLIFrameElementHTMLImageElementHTMLInputElementHTMLIsIndexElementHTMLKeygenElementHTMLLabelElementHTMLLegendElementHTMLLIElementHTMLLinkElementHTMLMapElementHTMLMediaElementHTMLMetaElementHTMLMeterElementHTMLModElementHTMLObjectElementHTMLOListElementHTMLOptGroupElementHTMLOptionElementHTMLOptionsCollectionHTMLOutputElementHTMLParagraphElementHTMLParamElementHTMLPreElementHTMLProgressElementHTMLQuoteElementHTMLSelectElementHTMLSourceElementHTMLSpanElementHTMLStyleElementHTMLTableCaptionElementHTMLTableCellElementHTMLTableColElementHTMLTableDataCellElementHTMLTableElementHTMLTableHeaderCellElementHTMLTableRowElementHTMLTableSectionElementHTMLTextAreaElementHTMLTimeElementHTMLTrackElementHTMLUListElementHTMLUnknownElementHTMLVideoElement
IDBCursorIDBCursorSyncIDBCursorWithValueIDBDatabaseIDBDatabaseExceptionIDBDatabaseSyncIDBEnvironmentIDBEnvironmentSyncIDBFactoryIDBFactorySyncIDBIndexIDBIndexSyncIDBKeyRangeIDBObjectStoreIDBObjectStoreSyncIDBOpenDBRequestIDBRequestIDBTransactionIDBTransactionSyncIDBVersionChangeEventIDBVersionChangeRequestImageDataIndexedDBInputEventInt16ArrayInt32ArrayInt8Array
MediaQueryListMediaQueryListListenerMediaRecorderMediaStreamMediaStreamTrackMessageEventMouseEventMouseScrollEventMouseWheelEventMozActivityMozActivityOptionsMozActivityRequestHandlerMozAlarmsManagerMozContactMozContactChangeEventMozIccManagerMozMmsEventMozMmsMessageMozMobileCellInfoMozMobileCFInfoMozMobileConnectionMozMobileConnectionInfoMozMobileICCInfoMozMobileMessageManagerMozMobileMessageThreadMozMobileNetworkInfoMozNDEFRecordMozNetworkStatsMozNetworkStatsDataMozNetworkStatsManagerMozNFCMozNFCPeerMozNFCTagMozSettingsEventMozSmsEventMozSmsFilterMozSmsManagerMozSmsMessageMozSmsSegmentInfoMozTimeManagerMozVoicemailMozVoicemailEventMozVoicemailStatusMozWifiConnectionInfoEventMozWifiStatusChangeEventMutationObserver
NamedNodeMapNameListNavigatorNavigatorGeolocationNavigatorIDNavigatorLanguageNavigatorOnLineNavigatorPluginsNetworkInformationNodeNodeFilterNodeIteratorNodeListNotationNotificationNotifyAudioAvailableEvent
PannerNodeParentNodePerformancePerformanceNavigationPerformanceTimingPermissionsPermissionSettingsPluginPluginArrayPositionPositionErrorPositionOptionsPowerManagerProcessingInstructionProgressEventPromiseResolverPushManager
ScriptProcessorNodeSettingsLockSettingsManagerSharedWorkerStorageEventStyleSheetStyleSheetListSVGAElementSVGAngleSVGAnimateColorElementSVGAnimatedAngleSVGAnimatedBooleanSVGAnimatedEnumerationSVGAnimatedIntegerSVGAnimatedLengthSVGAnimatedLengthListSVGAnimatedNumberSVGAnimatedNumberListSVGAnimatedPointsSVGAnimatedPreserveAspectRatioSVGAnimatedRectSVGAnimatedStringSVGAnimatedTransformListSVGAnimateElementSVGAnimateMotionElementSVGAnimateTransformElementSVGAnimationElementSVGCircleElementSVGClipPathElementSVGCursorElementSVGDefsElementSVGDescElementSVGElementSVGEllipseElementSVGFilterElementSVGFontElementSVGFontFaceElementSVGFontFaceFormatElementSVGFontFaceNameElementSVGFontFaceSrcElementSVGFontFaceUriElementSVGForeignObjectElementSVGGElementSVGGlyphElementSVGGradientElementSVGHKernElementSVGImageElementSVGLengthSVGLengthListSVGLinearGradientElementSVGLineElementSVGMaskElementSVGMatrixSVGMissingGlyphElementSVGMPathElementSVGNumberSVGNumberListSVGPathElementSVGPatternElementSVGPointSVGPolygonElementSVGPolylineElementSVGPreserveAspectRatioSVGRadialGradientElementSVGRectSVGRectElementSVGScriptElementSVGSetElementSVGStopElementSVGStringListSVGStylableSVGStyleElementSVGSVGElementSVGSwitchElementSVGSymbolElementSVGTestsSVGTextPositioningElementSVGTitleElementSVGTransformSVGTransformableSVGTransformListSVGTRefElementSVGTSpanElementSVGUseElementSVGViewElementSVGVKernElement
TCPServerSocketTCPSocketTelephonyTelephonyCallTextTextDecoderTextEncoderTextMetricsTimeRangesTouchTouchEventTouchListTransferableTransitionEventTypeInfo
UIEventUint16ArrayUint32ArrayUint8ArrayUint8ClampedArrayURLURLSearchParamsURLUtilsURLUtilsReadOnlyUserDataHandlerUserProximityEvent
WaveShaperNodeWebBluetoothWebGLRenderingContextWebSMSWebSocketWheelEventWifiManagerWindowWorkerWorkerConsoleWorkerLocationWorkerNavigator