MediaStream: addTrack() method

The addTrack() method of the MediaStream interface adds a new track to the stream. The track is specified as a parameter of type MediaStreamTrack.

Note: If the specified track is already in the stream's track set, this method has no effect.

Syntax

js
addTrack(track)

Parameters

track

A MediaStreamTrack to add to the stream.

Return value

None (undefined).

Examples

Specifications

Specification
Media Capture and Streams
# dom-mediastream-addtrack

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
addTrack

See also