MediaStream: addTrack() method

{{APIRef("Media Capture and Streams")}}

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

[!NOTE] If the specified track is already in the stream's track set, this method has no effect.

Syntax

addTrack(track)

Parameters

• track
  • : A {{domxref("MediaStreamTrack")}} to add to the stream.

Return value

None ({{jsxref("undefined")}}).

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{domxref("MediaStream")}}, the interface it belongs to.