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. |
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.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | Yes | 12 | 44 | ? | ? | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | Yes | No | ? | ? | Yes |
See also
MediaStream, the interface it belongs to.