MediaStream: addTrack() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2017.

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).

Specifications

Specification
Media Capture and Streams
# dom-mediastream-addtrack

Browser compatibility

See also