web api instance property
MediaStreamTrack: kind property
The kind read-only property of the MediaStreamTrack interface returns a string 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.
Value
The possible values are a string with one of the following values:
"audio": the track is an audio track."video": the track is a video track.
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.