RTCRtpStreamStats.trackId - Web APIs 编辑

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.

Syntax

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.