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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
addTrack | Chrome Full support 26 | Edge Full support 12 | Firefox Full support 44 | IE No support No | Opera No support No | Safari Full support Yes | WebView Android Full support 37 | Chrome Android Full support 26 | Firefox Android No support No | Opera Android No support No | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
See also
MediaStream, the interface it belongs to.