This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

This page is not complete.

The byteStreamTrackID read-only property of the TrackDefault interface returns the ID of the specific track that the SourceBuffer should apply to.

If not specified in the constructor, this value will be an empty string and the SourceBuffer can contain any tracks of the specified TrackDefault.type.


var myID = TrackDefault.byteStreamTrackID;


A DOMString.




Specification Status Comment
Media Source Extensions
The definition of 'byteStreamTrackID' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? Not supported ? ? ?
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support ?

Not supported

Not supported ? ? Not supported

See also


© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

API Audio byteStreamTrackID Experimental Media Source Extensions MSE Property Reference TrackDefault Video