The MediaStreamTrack.kind read-only property returns a DOMString set to "audio" if the track is an audio track and to "video", if it is a video track. It doesn't change if the track is deassociated from its source.
Syntax
const type = track.kind
Value
The possible values are a DOMString with on of the following values:
"audio": the track is an audio track."video": the track is a video track.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Media Capture and StreamsThe definition of 'MediaStreamTrack.kind' 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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
kind
|
Chrome
Full support Yes |
Edge
Full support 12 |
Firefox
Full support Yes |
IE
No support No |
Opera
Full support Yes |
Safari
Full support Yes |
WebView Android
Full support Yes |
Chrome Android
Full support Yes |
Firefox Android
Full support Yes |
Opera Android
Full support Yes |
Safari iOS
Full support Yes |
Samsung Internet Android
Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
See also
MediaStreamTrack.kind by Mozilla Contributors is licensed under CC-BY-SA 2.5.
