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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


The MediaStreamTrackEvent() constructor returns a newly created MediaStreamTrackEvent object, which represents an event announcing that a MediaStreamTrack has been added to or removed from a MediaStream.
API Constructor 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 Navigator.geolocation read-only property returns a Geolocation object that gives Web content access to the location of the device. This allows a Web site or app to offer customized results based on the user's location.
API Geolocation API Navigator Property Reference


Returns an Apps object you can use to install, manage, and control Open Web Apps in the browser.
API Apps Apps API Non-standard Property


The Navigator.vibrate() method pulses the vibration hardware on the device, if such hardware exists. If the device doesn't support vibration, this method has no effect. If a vibration pattern is already in progress when this method is called, the previous pattern is halted and the new one begins instead.
API Method Navigator Reference Référence Vibration API


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


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


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 PositionOptions.enableHighAccuracy property is a Boolean that indicates the application would like to receive the best possible results. If true and if the device is able to provide a more accurate position, it will do so. Note that this can result in slower response times or increased power consumption (with a GPS chip on a mobile device for example). On the other hand, if false (the default value), the device can take the liberty to save resources by responding more quickly and/or using less power.
API Geolocation API NeedsExample PositionOptions Property Reference


The PositionOptions.maximumAge property is a positive long value indicating the maximum age in milliseconds of a possible cached position that is acceptable to return. If set to 0, it means that the device cannot use a cached position and must attempt to retrieve the real current position. If set to Infinity the device must return a cached position regardless of its age.
API Geolocation API NeedsExample PositionOptions Property


The PositionOptions.timeout property is a positive long value representing the maximum length of time (in milliseconds) the device is allowed to take in order to return a position. The default value is Infinity, meaning that getCurrentPosition() won't return until the position is available.
API Geolocation API NeedsExample PositionOptions Property Reference


The Presentation can be defined as two possible user agents in the context: Controlling user agent and Receiving user agent.
API Experimental Interface Presentation Presentation API Reference


A PresentationAvailability object is associated with available presentation displays and represents the presentation display availability for a presentation request. If the controlling user agent can monitor the list of available presentation displays in the background (without a pending request to start()), the PresentationAvailability object MUST be implemented in a controlling browsing context.
API Experimental Interface Presentation API PresentationAvailability Reference


The PresentationConnection interface of the Presentation API provides methods and properties for managing a single presentation. Each presentation connection is represented by a PresentationConnection object. Both the controlling user agent and receiving user agent MUST implement PresentationConnection.
API Experimental Interface Presentation API PresentationConnection Reference


The PresentationConnection.send() method of the PresentationConnection interface sends either binary or text data between a controlling browsing context and a presenting browsing context.
API Experimental Method Presentation API PresentationConnection Reference