The MediaStream.addTrack() method adds a new track to the stream. The track is specified as a parameter of type MediaStreamTrack.
If the specified track is already in the stream's track set, this method has no effect.
Syntax
stream.addTrack(track);
Parameters
- track
- A MediaStreamTrackto add to the stream.
Return value
Example
Specifications
| Specification | Status | Comment | 
|---|---|---|
| Media Capture and Streams The definition of 'addTrack()' in that specification. | Editor's Draft | Initial specification. | 
Browser compatibility
?
 
  
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari | 
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | 34 (34) | No support | (Yes) | ? | 
| addTrack()andremoveTrack() | ? | ? | 44 (44) | ? | ? | ? | 
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | 
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | 34.0 (34) | No support | ? | ? | 
| addTrack()andremoveTrack() | ? | 44 (44) | ? | ? | ? | ? | ? | 
See also
- MediaStream, the interface it belongs to.