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.
stream.addTrack(track);
trackMediaStreamTrack to add to the stream.| Specification | Status | Comment |
|---|---|---|
| Media Capture and Streams The definition of 'addTrack()' in that specification. | Candidate Recommendation | Initial specification. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | 12 | 44 | ? | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | Yes | Yes | No | ? | ? | Yes |
MediaStream, the interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/MediaStream/addTrack