TextTrack: id property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2018.
The id read-only property of the TextTrack interface returns the ID of the track if it has one.
Value
A string containing the ID, or an empty string.
Examples
In the following example the value of id is printed to the console.
js
const video = document.querySelector("video"); const track = video.addTextTrack("captions", "Captions", "en"); track.mode = "showing"; console.log(track.id); Specifications
| Specification |
|---|
| HTML # dom-texttrack-id-dev |