The language read-only property of the TrackDefault interface returns a default language for an associated SourceBuffer to use when an initialization segment does not contain language information for a new track.

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

The TrackDefault() constructor of the TrackDefault interface constructs and returns a new TrackDefault object.

API Audio Constructor Experimental Media Source Extensions MSE Reference TrackDefault Video

The type read-only property of the TrackDefault interface returns the type of track that this SourceBuffer's media segment data relates to (i.e. audio, video, or text track.)

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

API Audio Experimental Extensions Interface Media MSE Reference Source source TrackDefaultList Video

The length read-only property of the TrackDefaultList interface returns the number of TrackDefault objects in the list.

API Audio Experimental Extensions length Media MSE Property Reference Source source TrackDefaultList Video

The TrackDefault() getter method of the TrackDefaultList interface allows the TrackDefault objects in the list to be accessed with an array operator (i.e. [].)

API Audio Extensions Getter Media Method MSE Reference source Source Video

The TrackDefaultList() constructor of the TrackDefaultList interface constructs and returns a new TrackDefaultList object.

API Audio Constructor Experimental Extensions Media MSE Reference Source source TrackDefaultList Video