extended by AudioStreamTrack, VideoStreamTrack
Available on HTML5
MediaStreamTrack interface represents a single media track within a stream; typically, these are audio or video tracks, but other track types may exist as well.
A Boolean value with a value of
true if the track is enabled, that is allowed to render the media source stream; or
false if it is disabled, that is not rendering the media source stream but silence and blackness. If the track has been disconnected, this value can be changed but has no more effect.
DOMString containing a unique identifier (GUID) for the track; it is generated by the browser.
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.