This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The width property of the HTMLVideoElement interface returns an integer that reflects the width attribute of the <video> element, specifying the displayed width of the resource in CSS pixels.
A positive integer or 0.
<video id="media" width="800" height="600"></video>
const el = document.getElementById("media");
console.log(el.width); // Output: 800
| Specification |
|---|
| HTML> # dom-dim-width> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
width |
3 | 12 | 3.5 | 10.5 | 3.1 | 18 | 4 | 11 | 3 | 1.0 | 4.4 | 3 |
HTMLCanvasElement.widthHTMLEmbedElement.widthHTMLIFrameElement.widthHTMLImageElement.widthHTMLObjectElement.widthHTMLSourceElement.width
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https://developer.mozilla.org/en-US/docs/Web/API/HTMLVideoElement/width