HTMLIFrameElement: width property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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The width property of the HTMLIFrameElement interface returns a string that reflects the width attribute of the <iframe> element, indicating the width of the frame in CSS pixels.

Value

A string indicating the width of the frame in CSS pixels.

Examples

html
<iframe id="el" width="800" height="600"></iframe>
js
const el = document.getElementById("el");
console.log(el.width); // Output: '800'

Specifications

Specification
HTML
# dom-dim-width

Browser compatibility

See also