The clone() method of the MediaStreamTrack interface creates a duplicate of the MediaStreamTrack. This new MediaStreamTrack object is identical except for its unique id.


const newTrack = track.clone()

Return value

A new MediaStreamTrack instance which is identical to the one clone() was called, except for its new unique id.


Specification Status Comment
Media Capture and Streams
The definition of 'clone()' in that specification.
Candidate Recommendation Initial definition.

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