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 disassociated from its source.
MediaStreamTrack.kind
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 |
|---|
| Media Capture and Streams # dom-mediastreamtrack-kind |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
kind |
26
|
12
|
22
|
No
|
15
|
11
|
≤37
|
26
|
22
|
14
|
11
|
1.5
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack/kind
