VTTCue: size property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The size property of the VTTCue interface represents the size of the cue as a percentage of the video size.
Value
A number representing the size of the cue as a percentage of the video size.
Examples
In the following example a new VTTCue is created, then the value of size is set to 50. The value is then printed to the console.
js
let video = document.querySelector("video");
let track = video.addTextTrack("captions", "Captions", "en");
track.mode = "showing";
let cue = new VTTCue(0, 0.9, "Hildy!");
cue.size = 50;
console.log(cue.size);
track.addCue(cue);
Specifications
| Specification |
|---|
| WebVTT: The Web Video Text Tracks Format # dom-vttcue-size |
Browser compatibility
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