MediaStream.addTrack()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2017年9月.
MediaStream.addTrack() 方法会给流添加一个新轨道。指定一个MediaStreamTrack对象作为参数。
备注： 如果指定的 track 已经存在于流的 track set 里的话，该方法不会产生作用。
语法
js
stream.addTrack(track);
Parameters
track-
A
MediaStreamTrackto add to the stream.
Example
Specifications
| Specification |
|---|
| Media Capture and Streams # dom-mediastream-addtrack |
Browser compatibility
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See also
MediaStream, the interface it belongs to.