Web/API/RTCTrackEventInit/track

The RTCTrackEventInit dictionary's track property specifies the MediaStreamTrack associated with the track event.

Syntax

var trackEventInit = {
  receiver: rtpReceiver,
  track: mediaStreamTrack,
  streams: [videoStream],
  transceiver: rtpTransceiver
};

var track = trackEventInit.track;

Value

A MediaStreamTrack representing the track with which the event is associated. This is the track that's being added to the RTCPeerConnection.

Specifications

Specification	Status	Comment
WebRTC 1.0: Real-time Communication Between BrowsersThe definition of 'RTCTrackEventInit.track' in that specification.	Candidate Recommendation	Initial specification.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
track	Chrome Full support 56	Edge Full support ≤18	Firefox Full support 22	IE No support No	Opera Full support 43	Safari ?	WebView Android Full support 56	Chrome Android Full support 56	Firefox Android Full support 44	Opera Android Full support 43	Safari iOS ?	Samsung Internet Android Full support 6.0

Legend

Full support  

Full support

No support  

No support

Compatibility unknown  

Compatibility unknown

RTCTrackEventInit.track by Mozilla Contributors is licensed under CC-BY-SA 2.5.