HTMLTrackElement: default property
The default property of the HTMLTrackElement interface represents whether the track will be enabled if the user's preferences do not indicate that another track would be more appropriate. It reflects the <track> element's boolean default attribute, returning true if present and false otherwise.
Value
A Boolean.
Example
js
const trackElement = document.getElementById("exampleTrack");
console.log(trackElement.default);
trackElement.default = true;