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The MediaStreamTrackEvent interface represents events which indicate that a MediaStream has had tracks added to or removed from the stream through calls to Media Stream API methods. These events are sent to the stream when these changes occur.
API Interface Media Streams API MediaStreamTrackEvent Reference


A MessageEvent is the interface representing a message received by a target, being a WebSocket or a WebRTC RTCDataChannel
API Interface NeedsSpecTable Reference WebRTC Websockets API


The MessagePort interface of the Channel Messaging API represents one of the two ports of a MessageChannel, allowing sending of messages from one port and listening out for them arriving at the other.
API Channel messaging HTML5 Interface MessagePort Reference


The MouseEvent interface represents events that occur due to the user interacting with a pointing device (such as a mouse). Common events using this interface include click, dblclick, mouseup, mousedown.
API DOM DOM Events Interface Reference Référence


MozNFC is the top level API for operating in NFC Reader/Writer mode, NFC P2P mode and NFC Card Emulation mode.
API Firefox OS Interface MozNFC NFC Reference


NavigatorGeolocation contains a creation method allowing objects implementing it to obtain a Geolocation instance.
API Geolocation API No Interface Reference


NavigatorLanguage contains methods and properties related to the language of the navigator.
API HTML-DOM No Interface Reference Référence


The NetworkInformation interface provides information about the connection a device is using to commuinicate with the network and provides a means for scripts to be notified if the connection type changes. The NetworkInformation interfaces cannot be instantiated. It is instead accessed through the connection property of the Navigator interface.
API Experimental Interface Network Information API Reference


A Node is an interface from which a number of DOM types inherit, and allows these various types to be treated (or tested) similarly.
API DOM DOM Reference Interface Node Reference


The OfflineAudioContext interface is an AudioContext interface representing an audio-processing graph built from linked together AudioNodes. In contrast with a standard AudioContext, an OfflineAudioContext doesn't render the audio to the device hardware; instead, it generates it, as fast as it can, and outputs the result to an AudioBuffer.
API Interface OfflineAudioContext Reference Web Audio API


The OscillatorNode interface represents a periodic waveform, like a sine wave. It is an AudioNode audio-processing module that causes a given frequency of sine wave to be created — in effect, a constant tone.
API Interface OscillatorNode Reference Web Audio API


A PannerNode always has exactly one input and one output: the input can be mono or stereo but the output is always stereo (2 channels); you can't have panning effects without at least two audio channels!
API Interface PannerNode Reference Web Audio API


The Path2D interface of the Canvas 2D API is used to declare paths that are then later used on CanvasRenderingContext2D objects. The path methods of the CanvasRenderingContext2D interface are present on this interface as well and are allowing you to create paths that you can retain and replay as required on a canvas.
API Canvas Interface Path2D Reference Référence