HTMLIFrameElement: allowFullscreen property

The allowFullscreen property of the HTMLIFrameElement interface is a boolean value that reflects the allowfullscreen attribute of the <iframe> element, indicating whether to allow the iframe's contents to use requestFullscreen().

Note: This property is considered a legacy property. Use allow="fullscreen" and HTMLIFrameElement.allow instead.

Value

A boolean value.

Examples

html
<iframe id="el" allowfullscreen></iframe>
js
const el = document.getElementById("el");
console.log(el.allowFullscreen); // Output: true

Specifications

See also