When writing code for the Web using JavaScript, there are a great many APIs available. Below is a list of all the interfaces (that is, types of objects) that you may be able to use while developing your Web app or site.
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AbstractWorkerAnalyserNodeAnimationEventAppAppsArrayBufferArrayBufferViewAttrAudioBufferAudioBufferSourceNodeAudioContextAudioDestinationNodeAudioListenerAudioNodeAudioParamAudioProcessingEvent
BatteryManagerBiquadFilterNodeBlobBlobBuilderBlobEventBluetoothAdapterBluetoothDeviceBluetoothDeviceEventBluetoothManagerBluetoothStatusChangedEvent
CallEventCameraCapabilitiesCameraControlCameraManagerCanvasGradientCanvasImageSourceCanvasPatternCanvasPixelArrayCanvasRenderingContext2DCaretPositionCDATASectionChannelMergerNodeChannelSplitterNodeCharacterDataChildNodeChromeWorkerClipboardEventCloseEventCommentCompositionEventConnectionConsoleContactManagerContactsConvolverNodeCoordinatesCSSCSSConditionRuleCSSGroupingRuleCSSKeyframeRuleCSSKeyframesRuleCSSMediaRuleCSSNamespaceRuleCSSPageRuleCSSRuleCSSRuleListCSSStyleDeclarationCSSStyleRuleCSSStyleSheetCSSSupportsRuleCustomEvent
DataTransferDataViewDedicatedWorkerGlobalScopeDelayNodeDeviceAccelerationDeviceLightEventDeviceMotionEventDeviceOrientationEventDeviceProximityEventDeviceRotationRateDeviceStorageDeviceStorageChangeEventDirectoryEntryDirectoryEntrySyncDirectoryReaderDirectoryReaderSyncDocumentDocumentFragmentDocumentTouchDocumentTypeDOMConfigurationDOMCursorDOMErrorDOMErrorHandlerDOMExceptionDOMHighResTimeStampDOMImplementationDOMImplementationListDOMImplementationRegistryDOMImplementationSourceDOMLocatorDOMObjectDOMParserDOMRequestDOMStringDOMStringListDOMStringMapDOMTimeStampDOMTokenListDOMUserDataDynamicsCompressorNode
ElementElementTraversalEntityEntityReferenceEntryEntrySyncErrorEventEventEventListenerEventSourceEventTargetExtensions
FileFileEntryFileEntrySyncFileErrorFileExceptionFileHandleFileListFileReaderFileReaderSyncFileRequestFileSystemFileSystemSyncFloat32ArrayFloat64ArrayFMRadioFocusEventFormData
HistoryHTMLAnchorElementHTMLAreaElementHTMLAudioElementHTMLBaseElementHTMLBaseFontElementHTMLBodyElementHTMLBRElementHTMLButtonElementHTMLCanvasElementHTMLCollectionHTMLDataElementHTMLDataListElementHTMLDivElementHTMLDListElementHTMLDocumentHTMLElementHTMLEmbedElementHTMLFieldSetElementHTMLFormControlsCollectionHTMLFormElementHTMLHeadElementHTMLHeadingElementHTMLHRElementHTMLHtmlElementHTMLIFrameElementHTMLImageElementHTMLInputElementHTMLIsIndexElementHTMLKeygenElementHTMLLabelElementHTMLLegendElementHTMLLIElementHTMLLinkElementHTMLMapElementHTMLMediaElementHTMLMetaElementHTMLMeterElementHTMLModElementHTMLObjectElementHTMLOListElementHTMLOptGroupElementHTMLOptionElementHTMLOptionsCollectionHTMLOutputElementHTMLParagraphElementHTMLParamElementHTMLPreElementHTMLProgressElementHTMLQuoteElementHTMLScriptElementHTMLSelectElementHTMLSourceElementHTMLSpanElementHTMLStyleElementHTMLTableCaptionElementHTMLTableCellElementHTMLTableColElementHTMLTableDataCellElementHTMLTableElementHTMLTableHeaderCellElementHTMLTableRowElementHTMLTableSectionElementHTMLTextAreaElementHTMLTimeElementHTMLTitleElementHTMLTrackElementHTMLUListElementHTMLUnknownElementHTMLVideoElement
IDBCursorIDBCursorSyncIDBCursorWithValueIDBDatabaseIDBDatabaseExceptionIDBDatabaseSyncIDBEnvironmentIDBEnvironmentSyncIDBFactoryIDBFactorySyncIDBIndexIDBIndexSyncIDBKeyRangeIDBObjectStoreIDBObjectStoreSyncIDBOpenDBRequestIDBRequestIDBTransactionIDBTransactionSyncIDBVersionChangeEventIDBVersionChangeRequestImageDataIndexedDBInputEventInt16ArrayInt32ArrayInt8Array
MediaQueryListMediaQueryListListenerMediaRecorderMediaSourceMediaStreamMediaStreamTrackMessageEventMouseEventMouseScrollEventMouseWheelEventMozActivityMozActivityOptionsMozActivityRequestHandlerMozAlarmsManagerMozContactMozContactChangeEventMozIccManagerMozMmsEventMozMmsMessageMozMobileCellInfoMozMobileCFInfoMozMobileConnectionMozMobileConnectionInfoMozMobileICCInfoMozMobileMessageManagerMozMobileMessageThreadMozMobileNetworkInfoMozNDEFRecordMozNetworkStatsMozNetworkStatsDataMozNetworkStatsManagerMozNFCMozNFCPeerMozNFCTagMozSettingsEventMozSmsEventMozSmsFilterMozSmsManagerMozSmsMessageMozSmsSegmentInfoMozTimeManagerMozVoicemailMozVoicemailEventMozVoicemailStatusMozWifiConnectionInfoEventMozWifiStatusChangeEventMutationObserver
NamedNodeMapNameListNavigatorNavigatorGeolocationNavigatorIDNavigatorLanguageNavigatorOnLineNavigatorPluginsNetworkInformationNodeNodeFilterNodeIteratorNodeListNotationNotificationNotifyAudioAvailableEvent
PannerNodeParentNodePerformancePerformanceNavigationPerformanceTimingPermissionsPermissionSettingsPluginPluginArrayPositionPositionErrorPositionOptionsPowerManagerProcessingInstructionProgressEventPromiseResolverPushManager
RangeRTCConfigurationRTCPeerConnectionRTCPeerConnectionErrorCallbackRTCSessionDescriptionRTCSessionDescriptionCallback
ScriptProcessorNodeSelectionSettingsLockSettingsManagerSharedWorkerStorageEventStyleSheetStyleSheetListSVGAElementSVGAngleSVGAnimateColorElementSVGAnimatedAngleSVGAnimatedBooleanSVGAnimatedEnumerationSVGAnimatedIntegerSVGAnimatedLengthSVGAnimatedLengthListSVGAnimatedNumberSVGAnimatedNumberListSVGAnimatedPointsSVGAnimatedPreserveAspectRatioSVGAnimatedRectSVGAnimatedStringSVGAnimatedTransformListSVGAnimateElementSVGAnimateMotionElementSVGAnimateTransformElementSVGAnimationElementSVGCircleElementSVGClipPathElementSVGCursorElementSVGDefsElementSVGDescElementSVGElementSVGEllipseElementSVGFilterElementSVGFontElementSVGFontFaceElementSVGFontFaceFormatElementSVGFontFaceNameElementSVGFontFaceSrcElementSVGFontFaceUriElementSVGForeignObjectElementSVGGElementSVGGlyphElementSVGGradientElementSVGHKernElementSVGImageElementSVGLengthSVGLengthListSVGLinearGradientElementSVGLineElementSVGMaskElementSVGMatrixSVGMissingGlyphElementSVGMPathElementSVGNumberSVGNumberListSVGPathElementSVGPatternElementSVGPointSVGPolygonElementSVGPolylineElementSVGPreserveAspectRatioSVGRadialGradientElementSVGRectSVGRectElementSVGScriptElementSVGSetElementSVGStopElementSVGStringListSVGStylableSVGStyleElementSVGSVGElementSVGSwitchElementSVGSymbolElementSVGTestsSVGTextElementSVGTextPositioningElementSVGTitleElementSVGTransformSVGTransformableSVGTransformListSVGTRefElementSVGTSpanElementSVGUseElementSVGViewElementSVGVKernElement
TCPServerSocketTCPSocketTelephonyTelephonyCallTextTextDecoderTextEncoderTextMetricsTimeRangesTouchTouchEventTouchListTransferableTransitionEventTreeWalkerTypeInfo
UIEventUint16ArrayUint32ArrayUint8ArrayUint8ClampedArrayURLURLSearchParamsURLUtilsURLUtilsReadOnlyUserDataHandlerUserProximityEvent
WaveShaperNodeWebBluetoothWebGLRenderingContextWebSMSWebSocketWebVTTWheelEventWifiManagerWindowWorkerWorkerConsoleWorkerLocationWorkerNavigator
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Contributors to this page: jswisher, Sheppy, teoli, ethertank, Localsystem, kunal_dhir, carlosrainhaaraujo
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