The RTCRtpStreamStats dictionary's trackId property is a string which uniquely identifies the RTCMediaStreamTrackStats object which contains the track statistics for the MediaStreamTrack for which statistics are provided in this object.
var trackID = RTCRtpStreamStats.trackId;
A DOMString which uniquely identifies the RTCMediaStreamTrackStats object that provides statistics for the track for which statistics are being collected by this RTCStatsReport.
Note: This value is not the same as the value of MediaStramTrack.id.
| Specification | Status | Comment |
|---|---|---|
| Identifiers for WebRTC's Statistics API The definition of 'RTCRtpStreamStats.trackId' in that specification. | Candidate Recommendation | Initial definition. |
No compatibility data found. Please contribute data for "api.RTCRtpStreamStats.trackId" (depth: 1) to the MDN compatibility data repository.
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https://developer.mozilla.org/en-US/docs/Web/API/RTCRtpStreamStats/trackId