B2G OS uses standard Web API's
A
ANGLE_instanced_arraysAbstractWorkerAnalyserNodeAnimationAnimationEffectReadOnlyAnimationEffectTimingAnimationEffectTimingReadOnlyAnimationEventAnimationPlaybackEventAnimationTimelineArrayBufferViewAttrAudioBufferAudioBufferSourceNodeAudioContextAudioDestinationNodeAudioListenerAudioNodeAudioParamAudioProcessingEvent
BatteryManagerBeforeInstallPromptBeforeUnloadEventBiquadFilterNodeBlobBlobBuilderBlobEventBluetoothBluetoothAdvertisingDataBluetoothGATTServiceBluetoothRemoteGATTCharacteristicBluetoothRemoteGATTServerBluetoothStatusChangedEventBodyBroadcastChannelBufferSourceByteString
CDATASectionCSSCSSConditionRuleCSSCounterStyleRuleCSSGroupingRuleCSSKeyframeRuleCSSKeyframesRuleCSSMatrixCSSMediaRuleCSSNamespaceRuleCSSPageRuleCSSPrimitiveValueCSSRuleCSSRuleListCSSStyleDeclarationCSSStyleRuleCSSStyleSheetCSSSupportsRuleCSSValueCSSValueListCacheCacheStorageCanvasCaptureMediaStreamCanvasGradientCanvasImageSourceCanvasPatternCanvasRenderingContext2DCaretPositionChannelMergerNodeChannelSplitterNodeCharacterDataChildNodeChromeWorkerClientClientsClipboardEventCloseEventCommentCompositionEventConsoleConvolverNodeCoordinatesCredentialCredentialsContainerCryptoCryptoKeyCustomEvent
DOMConfigurationDOMErrorDOMErrorHandlerDOMExceptionDOMHighResTimeStampDOMImplementationDOMImplementationListDOMImplementationRegistryDOMImplementationSourceDOMLocatorDOMMatrixDOMMatrixReadOnlyDOMObjectDOMParserDOMPointDOMPointReadOnlyDOMRectDOMRectReadOnlyDOMStringDOMStringListDOMStringMapDOMTimeStampDOMTokenListDOMUserDataDataTransferDataTransferItemDataTransferItemListDedicatedWorkerGlobalScopeDelayNodeDeviceAccelerationDeviceLightEventDeviceMotionEventDeviceOrientationEventDeviceProximityEventDeviceRotationRateDirectoryEntryDirectoryEntrySyncDirectoryReaderDirectoryReaderSyncDocumentDocumentFragmentDocumentTimelineDocumentTouchDocumentTypeDragEventDynamicsCompressorNode
EXT_blend_minmaxEXT_color_buffer_floatEXT_color_buffer_half_floatEXT_disjoint_timer_queryEXT_frag_depthEXT_sRGBEXT_shader_texture_lodEXT_texture_filter_anisotropicElementElementTraversalEntityEntityReferenceEntryEntrySyncErrorEventEventEventListenerEventSourceEventTargetExtendableEventExtendableMessageEvent
FederatedCredentialFetchEventFileFileEntryFileEntrySyncFileErrorFileExceptionFileListFileReaderFileReaderSyncFileRequestFileSystemFileSystemSyncFocusEventFontFaceFontFaceSetFormData
GainNodeGamepadGamepadButtonGamepadEventGeolocationGestureEventGlobalEventHandlersGlobalFetch
HMDVRDeviceHTMLAnchorElementHTMLAreaElementHTMLAudioElementHTMLBRElementHTMLBaseElementHTMLBaseFontElementHTMLBodyElementHTMLButtonElementHTMLCanvasElementHTMLCollectionHTMLContentElementHTMLDListElementHTMLDataElementHTMLDataListElementHTMLDialogElementHTMLDivElementHTMLDocumentHTMLElementHTMLEmbedElementHTMLFieldSetElementHTMLFontElementHTMLFormControlsCollectionHTMLFormElementHTMLFrameSetElementHTMLHRElementHTMLHeadElementHTMLHeadingElementHTMLHtmlElementHTMLHyperlinkElementUtilsHTMLIFrameElementHTMLImageElementHTMLInputElementHTMLIsIndexElementHTMLKeygenElementHTMLLIElementHTMLLabelElementHTMLLegendElementHTMLLinkElementHTMLMapElementHTMLMediaElementHTMLMetaElementHTMLMeterElementHTMLModElementHTMLOListElementHTMLObjectElementHTMLOptGroupElementHTMLOptionElementHTMLOptionsCollectionHTMLOutputElementHTMLParagraphElementHTMLParamElementHTMLPictureElementHTMLPreElementHTMLProgressElementHTMLQuoteElementHTMLScriptElementHTMLSelectElementHTMLShadowElementHTMLSourceElementHTMLSpanElementHTMLStyleElementHTMLTableCaptionElementHTMLTableCellElementHTMLTableColElementHTMLTableDataCellElementHTMLTableElementHTMLTableHeaderCellElementHTMLTableRowElementHTMLTableSectionElementHTMLTextAreaElementHTMLTimeElementHTMLTitleElementHTMLTrackElementHTMLUListElementHTMLUnknownElementHTMLVideoElementHashChangeEventHeadersHistory
IDBCursorIDBCursorSyncIDBCursorWithValueIDBDatabaseIDBDatabaseExceptionIDBDatabaseSyncIDBEnvironmentIDBEnvironmentSyncIDBFactoryIDBFactorySyncIDBIndexIDBIndexSyncIDBKeyRangeIDBLocaleAwareKeyRangeIDBMutableFileIDBObjectStoreIDBObjectStoreSyncIDBOpenDBRequestIDBRequestIDBTransactionIDBTransactionSyncIDBVersionChangeEventIDBVersionChangeRequestIIRFilterNodeIdentityManagerImageBitmapImageBitmapFactoriesImageBitmapRenderingContextImageDataIndexInputDeviceCapabilitiesInputEventInstallEventInstallEventInstallTriggerIntersectionObserverIntersectionObserverEntry
L10n.formatValueL10n.getL10n.language.codeL10n.language.directionL10n.onceL10n.readyL10n.readyStateL10n.setAttributesLinkStyleLocalFileSystemLocalFileSystemSyncLocalMediaStreamLocationLockedFile
MIDIAccessMIDIConnectionEventMIDIInputMIDIInputMapMIDIOutputMapMSGestureEventMediaDeviceInfoMediaDevicesMediaElementAudioSourceNodeMediaErrorMediaKeyMessageEventMediaKeySessionMediaKeyStatusMapMediaKeySystemAccessMediaKeySystemConfigurationMediaKeysMediaQueryListMediaQueryListListenerMediaRecorderMediaSourceMediaStreamMediaStream.addTrack()MediaStreamAudioDestinationNodeMediaStreamAudioSourceNodeMediaStreamEventMediaStreamTrackMessageChannelMessageEventMessagePortMouseEventMouseScrollEventMouseWheelEventMutationEventMutationObserverMutationRecord
NameListNamedNodeMapNavigatorNavigatorConcurrentHardwareNavigatorGeolocationNavigatorIDNavigatorLanguageNavigatorOnLineNavigatorPluginsNetworkInformationNodeNodeFilterNodeIteratorNodeListNonDocumentTypeChildNodeNotationNotificationNotificationEventNotifyAudioAvailableEvent
OES_element_index_uintOES_standard_derivativesOES_texture_floatOES_texture_float_linearOES_texture_half_floatOES_texture_half_float_linearOES_vertex_array_objectOfflineAudioCompletionEventOfflineAudioContextOffscreenCanvasOscillatorNode
PageTransitionEventPannerNodeParentNodePasswordCredentialPath2DPaymentAddressPaymentRequestPaymentResponsePerformancePerformanceEntryPerformanceFrameTimingPerformanceMarkPerformanceMeasurePerformanceNavigationPerformanceNavigationTimingPerformanceObserverPerformanceObserverEntryListPerformanceResourceTimingPerformanceTimingPeriodicSyncEventPeriodicSyncManagerPeriodicSyncRegistrationPeriodicWavePermissionStatusPermissionsPluginPluginArrayPointPointerEventPopStateEventPortCollectionPositionPositionErrorPositionOptionsPositionSensorVRDevicePresentationPresentationAvailabilityPresentationConnectionPresentationConnectionAvailableEventPresentationConnectionCloseEventPresentationConnectionClosedEventPresentationConnectionListPresentationReceiverPresentationRequestProcessingInstructionProgressEventPromiseRejectionPromiseRejectionEventPromiseResolverPushEventPushManagerPushMessageDataPushRegistrationManagerPushSubscription
RTCCertificateRTCConfigurationRTCDataChannelRTCDataChannelEventRTCIceCandidateRTCIceServerRTCIdentityAssertionRTCIdentityErrorEventRTCIdentityEventRTCPeerConnectionRTCPeerConnectionIceEventRTCSctpTransportRTCSessionDescriptionRTCSessionDescriptionCallbackRTCStatsReportRadioNodeListRandomSourceRangeReadableByteStreamRenderingContextRequestResponse
SVGAElementSVGAltGlyphElementSVGAngleSVGAnimateColorElementSVGAnimateElementSVGAnimateMotionElementSVGAnimateTransformElementSVGAnimatedAngleSVGAnimatedBooleanSVGAnimatedEnumerationSVGAnimatedIntegerSVGAnimatedLengthSVGAnimatedLengthListSVGAnimatedNumberSVGAnimatedNumberListSVGAnimatedPointsSVGAnimatedPreserveAspectRatioSVGAnimatedRectSVGAnimatedStringSVGAnimatedTransformListSVGAnimationElementSVGCircleElementSVGClipPathElementSVGCursorElementSVGDefsElementSVGDescElementSVGElementSVGEllipseElementSVGEventSVGFilterElementSVGFontElementSVGFontFaceElementSVGFontFaceFormatElementSVGFontFaceNameElementSVGFontFaceSrcElementSVGFontFaceUriElementSVGForeignObjectElementSVGGElementSVGGlyphElementSVGGradientElementSVGHKernElementSVGImageElementSVGLengthSVGLengthListSVGLineElementSVGLinearGradientElementSVGMPathElementSVGMaskElementSVGMatrixSVGMissingGlyphElementSVGNumberSVGNumberListSVGPathElementSVGPatternElementSVGPointSVGPolygonElementSVGPolylineElementSVGPreserveAspectRatioSVGRadialGradientElementSVGRectSVGRectElementSVGSVGElementSVGScriptElementSVGSetElementSVGStopElementSVGStringListSVGStylableSVGStyleElementSVGSwitchElementSVGSymbolElementSVGTRefElementSVGTSpanElementSVGTestsSVGTextElementSVGTextPositioningElementSVGTitleElementSVGTransformSVGTransformListSVGTransformableSVGUseElementSVGVKernElementSVGViewElementScreenScriptProcessorNodeSelectionServiceWorkerServiceWorkerContainerServiceWorkerGlobalScopeServiceWorkerMessageEventServiceWorkerRegistrationServiceWorkerStateShadowRootSharedKeyframeListSharedWorkerSharedWorkerGlobalScopeSourceBufferSourceBufferListSpeechGrammarSpeechGrammarListSpeechRecognitionSpeechRecognitionAlternativeSpeechRecognitionErrorSpeechRecognitionEventSpeechRecognitionResultSpeechRecognitionResultListSpeechSynthesisSpeechSynthesisErrorEventSpeechSynthesisEventSpeechSynthesisUtteranceSpeechSynthesisVoiceStereoPannerNodeStorageStorageEventStyleSheetStyleSheetListSubtleCryptoSyncEventSyncManager
TextTextDecoderTextEncoderTextMetricsTimeEventTimeRangesTouchTouchEventTouchListTrackDefaultTrackDefaultListTransferableTransitionEventTreeWalkerTypeInfo
VRDisplayVRDisplayCapabilitiesVREyeParametersVRFieldOfViewVRFieldOfViewReadOnlyVRLayerVRPoseVRStageParametersValidityStateVideoPlaybackQuality
WEBGL_color_buffer_floatWEBGL_compressed_texture_atcWEBGL_compressed_texture_es3WEBGL_compressed_texture_etc1WEBGL_compressed_texture_pvrtcWEBGL_compressed_texture_s3tcWEBGL_debug_renderer_infoWEBGL_debug_shadersWEBGL_depth_textureWEBGL_draw_buffersWEBGL_lose_contextWaveShaperNodeWebGLWebGL2RenderingContextWebGLActiveInfoWebGLBufferWebGLContextEventWebGLFramebufferWebGLProgramWebGLQueryWebGLRenderbufferWebGLRenderingContextWebGLSamplerWebGLShaderWebGLShaderPrecisionFormatWebGLSyncWebGLTextureWebGLTimerQueryEXTWebGLTransformFeedbackWebGLUniformLocationWebGLVertexArrayObjectWebGLVertexArrayObjectOESWebSocketWebSocketsWebVTTWheelEventWindowWindowBase64WindowClientWindowEventHandlersWindowTimersWorkerWorkerGlobalScopeWorkerLocationWorkerNavigator