MediaStreamTrackEvent()

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.

Syntax

JavaScript
var trackEvent = new MediaStreamTrackEvent(type, {track: aMediaStreamTrack});

Parameters

The MediaStreamTrackEvent() constructor also inherits arguments from Event().

type
A DOMString representing the name of the type of the MediaStreamTrackEvent. It is case-sensitive and can be "addtrack" or "removetrack".
track
A MediaStreamTrack object representing the track which was added to or removed from the stream.

Return value

A new MediaStreamTrackEvent, initialized based on the provided options.

Specifications

Specification Status Comment
Media Capture and Streams
The definition of 'MediaStreamTrackEvent()' in that specification.
Editor's Draft  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 50 (50) No support (Yes) ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? (Yes) 50.0 (50) No support ? ?

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/mediastreamtrackevent/mediastreamtrackevent

API Constructor Media Streams API MediaStreamTrackEvent Reference