Quando escrevemos código para a Web usando JavaScript, há uma grande variedade de APIs disponíveis. Abaixo segue uma lista de todas as interfaces (isto é, tipos de objetos) que você pode utilizar quando estiver desenvolvendo sua aplicação Web ou seu site.
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AbstractWorkerAnalyserNodeAnimationAnimationEventArrayBufferViewAttrAudioBufferAudioBufferSourceNodeAudioChannelManagerAudioContextAudioDestinationNodeAudioListenerAudioNodeAudioParamAudioProcessingEvent
BatteryManagerBeforeInstallPromptEventBeforeUnloadEventBiquadFilterNodeBlobBlobBuilderBlobEventBluetoothAdapterBluetoothAdapterEventBluetoothAttributeEventBluetoothClassOfDeviceBluetoothDeviceBluetoothDeviceEventBluetoothDiscoveryHandleBluetoothGattBluetoothGattCharacteristicBluetoothGattCharacteristicEventBluetoothGattDescriptorBluetoothGattServerBluetoothLeDeviceEventBluetoothManagerBluetoothPairingEventBluetoothPairingHandleBluetoothPairingListenerBluetoothStatusChangedEventBodyBroadcastChannelByteString
CDATASectionCSSCSSConditionRuleCSSCounterStyleRuleCSSGroupingRuleCSSKeyframeRuleCSSKeyframesRuleCSSMatrixCSSMediaRuleCSSNamespaceRuleCSSPageRuleCSSRuleCSSRuleListCSSStyleDeclarationCSSStyleRuleCSSStyleSheetCSSSupportsRuleCacheCacheStorageCallEventCameraCapabilitiesCameraControlCameraManagerCanvasCaptureMediaStreamCanvasGradientCanvasImageSourceCanvasPatternCanvasRenderingContext2DCaretPositionChannelMergerNodeChannelSplitterNodeCharacterDataChildNodeChromeWorkerClientClientsClipboardEventCloseEventCommentCompositionEventConnectionConsoleContactManagerConvolverNodeCoordinatesCryptoCryptoKeyCustomEvent
DOMApplicationDOMApplicationsManagerDOMApplicationsRegistryDOMConfigurationDOMCursorDOMErrorDOMErrorHandlerDOMExceptionDOMHighResTimeStampDOMImplementationDOMImplementationListDOMImplementationRegistryDOMImplementationSourceDOMLocatorDOMMatrixDOMMatrixReadOnlyDOMObjectDOMParserDOMPointDOMPointReadOnlyDOMRectDOMRectReadOnlyDOMRequestDOMStringDOMStringListDOMStringMapDOMTimeStampDOMTokenListDOMUserDataDataStoreDataStoreChangeEventDataStoreCursorDataStoreTaskDataTransferDedicatedWorkerGlobalScopeDelayNodeDeviceAccelerationDeviceLightEventDeviceMotionEventDeviceOrientationEventDeviceProximityEventDeviceRotationRateDeviceStorageDeviceStorageChangeEventDirectoryEntryDirectoryEntrySyncDirectoryReaderDirectoryReaderSyncDocumentDocumentFragmentDocumentTouchDocumentTypeDragEventDynamicsCompressorNode
ElementElementTraversalEntityEntityReferenceEntryEntrySyncErrorEventEventEventHandlerEventListenerEventSourceEventTargetExtendableEvent
FMRadioFetchEventFileFileEntryFileEntrySyncFileErrorFileExceptionFileHandleFileListFileReaderFileReaderSyncFileRequestFileSystemFileSystemSyncFocusEventFormData
HMDVRDeviceHTMLAnchorElementHTMLAreaElementHTMLAudioElementHTMLBRElementHTMLBaseElementHTMLBaseFontElementHTMLBodyElementHTMLButtonElementHTMLCanvasElementHTMLCollectionHTMLContentElementHTMLDListElementHTMLDataElementHTMLDataListElementHTMLDialogElementHTMLDivElementHTMLDocumentHTMLElementHTMLEmbedElementHTMLFieldSetElementHTMLFormControlsCollectionHTMLFormElementHTMLFrameSetElementHTMLHRElementHTMLHeadElementHTMLHeadingElementHTMLHtmlElementHTMLIFrameElementHTMLImageElementHTMLInputElementHTMLIsIndexElementHTMLKeygenElementHTMLLIElementHTMLLabelElementHTMLLegendElementHTMLLinkElementHTMLMapElementHTMLMediaElementHTMLMetaElementHTMLMeterElementHTMLModElementHTMLOListElementHTMLObjectElementHTMLOptGroupElementHTMLOptionElementHTMLOptionsCollectionHTMLOutputElementHTMLParagraphElementHTMLParamElementHTMLPictureElementHTMLPreElementHTMLProgressElementHTMLQuoteElementHTMLScriptElementHTMLSelectElementHTMLShadowElementHTMLSourceElementHTMLSpanElementHTMLStyleElementHTMLTableCaptionElementHTMLTableCellElementHTMLTableColElementHTMLTableDataCellElementHTMLTableElementHTMLTableHeaderCellElementHTMLTableRowElementHTMLTableSectionElementHTMLTextAreaElementHTMLTimeElementHTMLTitleElementHTMLTrackElementHTMLUListElementHTMLUnknownElementHTMLVideoElementHashChangeEventHeadersHistory
IDBCursorIDBCursorSyncIDBCursorWithValueIDBDatabaseIDBDatabaseExceptionIDBDatabaseSyncIDBEnvironmentIDBEnvironmentSyncIDBFactoryIDBFactorySyncIDBIndexIDBIndexSyncIDBKeyRangeIDBObjectStoreIDBObjectStoreSyncIDBOpenDBRequestIDBRequestIDBTransactionIDBTransactionSyncIDBVersionChangeEventIDBVersionChangeRequestIdentityManagerImageDataIndexInputEventInstallEvent
L10n.formatValueL10n.getL10n.language.codeL10n.language.directionL10n.onceL10n.readyL10n.readyStateL10n.setAttributesLinkStyleLocalFileSystemLocalFileSystemSyncLocalMediaStreamLocationLockedFile
MIDIAccessMIDIConnectionEventMIDIInputMIDIInputMapMIDIOutputMapMediaDevicesMediaElementAudioSourceNodeMediaKeyMessageEventMediaKeySessionMediaKeyStatusMapMediaKeySystemAccessMediaKeySystemConfigurationMediaKeysMediaQueryListMediaQueryListListenerMediaRecorderMediaSourceMediaStreamMediaStreamAudioDestinationNodeMediaStreamAudioSourceNodeMediaStreamEventMediaStreamTrackMessageChannelMessageEventMessagePortMouseEventMouseScrollEventMouseWheelEventMozActivityMozActivityOptionsMozActivityRequestHandlerMozAlarmsManagerMozContactMozContactChangeEventMozIccManagerMozMmsEventMozMmsMessageMozMobileCFInfoMozMobileCellInfoMozMobileConnectionMozMobileConnectionInfoMozMobileICCInfoMozMobileMessageManagerMozMobileMessageThreadMozMobileNetworkInfoMozNDEFRecordMozNFCMozNFCPeerMozNFCTagMozNetworkStatsMozNetworkStatsDataMozNetworkStatsManagerMozSettingsEventMozSmsEventMozSmsFilterMozSmsManagerMozSmsMessageMozSmsSegmentInfoMozTimeManagerMozVoicemailMozVoicemailEventMozVoicemailStatusMozWifiConnectionInfoEventMozWifiP2pGroupOwnerMozWifiP2pManagerMozWifiStatusChangeEventMutationEventMutationObserver
NameListNamedNodeMapNavigatorNavigatorGeolocationNavigatorIDNavigatorLanguageNavigatorOnLineNavigatorPluginsNetworkInformationNodeNodeFilterNodeIteratorNodeListNonDocumentTypeChildNodeNotationNotificationNotificationEventNotifyAudioAvailableEvent
PageTransitionEventPannerNodeParentNodePath2DPerformancePerformanceNavigationPerformanceTimingPeriodicSyncEventPeriodicSyncManagerPeriodicSyncRegistrationPeriodicWavePermissionSettingsPermissionStatusPermissionsPluginPluginArrayPointPopStateEventPortCollectionPositionPositionErrorPositionOptionsPositionSensorVRDevicePowerManagerProcessingInstructionProgressEventPromiseResolverPushEventPushManagerPushMessageDataPushSubscription
RTCConfigurationRTCDataChannelRTCDataChannelEventRTCIdentityErrorEventRTCIdentityEventRTCPeerConnectionRTCPeerConnectionIceEventRTCSessionDescriptionRTCSessionDescriptionCallbackRadioNodeListRandomSourceRangeRenderingContextRequestResponse
SVGAElementSVGAngleSVGAnimateColorElementSVGAnimateElementSVGAnimateMotionElementSVGAnimateTransformElementSVGAnimatedAngleSVGAnimatedBooleanSVGAnimatedEnumerationSVGAnimatedIntegerSVGAnimatedLengthSVGAnimatedLengthListSVGAnimatedNumberSVGAnimatedNumberListSVGAnimatedPointsSVGAnimatedPreserveAspectRatioSVGAnimatedRectSVGAnimatedStringSVGAnimatedTransformListSVGAnimationElementSVGCircleElementSVGClipPathElementSVGCursorElementSVGDefsElementSVGDescElementSVGElementSVGEllipseElementSVGEventSVGFilterElementSVGFontElementSVGFontFaceElementSVGFontFaceFormatElementSVGFontFaceNameElementSVGFontFaceSrcElementSVGFontFaceUriElementSVGForeignObjectElementSVGGElementSVGGlyphElementSVGGradientElementSVGHKernElementSVGImageElementSVGLengthSVGLengthListSVGLineElementSVGLinearGradientElementSVGMPathElementSVGMaskElementSVGMatrixSVGMissingGlyphElementSVGNumberSVGNumberListSVGPathElementSVGPatternElementSVGPointSVGPolygonElementSVGPolylineElementSVGPreserveAspectRatioSVGRadialGradientElementSVGRectSVGRectElementSVGSVGElementSVGScriptElementSVGSetElementSVGStopElementSVGStringListSVGStylableSVGStyleElementSVGSwitchElementSVGSymbolElementSVGTRefElementSVGTSpanElementSVGTestsSVGTextElementSVGTextPositioningElementSVGTitleElementSVGTransformSVGTransformListSVGTransformableSVGUseElementSVGVKernElementSVGViewElementScreenScriptProcessorNodeSelectionServiceWorkerServiceWorkerContainerServiceWorkerGlobalScopeServiceWorkerMessageEventServiceWorkerRegistrationSettingsLockSettingsManagerSharedWorkerSharedWorkerGlobalScopeStereoPannerNodeStorageStorageEventStyleSheetStyleSheetListSubtleCryptoSyncEventSyncManagerSyncRegistration
TCPServerSocketTCPSocketTelephonyTelephonyCallTelephonyCallGroupTextTextDecoderTextEncoderTextMetricsTextTrackListTimeEventTimeRangesTouchTouchEventTouchListTransferableTransitionEventTreeWalkerTypeInfo
VRDeviceVREyeParametersVRFieldOfViewVRFieldOfViewReadOnlyVRPositionStateValidityStateVideoPlaybackQuality
WaveShaperNodeWebGLProgramWebGLRenderingContextWebGLShaderWebSocketWheelEventWifiManagerWindowWindowBase64WindowClientWindowEventHandlersWindowEventHandlers.onbeforeprintWindowTimersWorkerWorkerGlobalScopeWorkerLocationWorkerNavigator