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 |
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| HTML # dom-texttrack-id-dev |
Browser compatibility
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Legend
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- Full support
- Full support