HTMLIFrameElement: allowFullscreen property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

See full compatibility

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>

const el = document.getElementById("el");
console.log(el.allowFullscreen); // Output: true

Specifications

Specification
HTML # dom-iframe-allowfullscreen

Browser compatibility

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`allowFullscreen`	Chrome – Full support Chrome 38 (Release date: 2014-10-07) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – No support Firefox 9 – 17 (Release date: 2011-12-20) altname footnote Removed in 18 and later altname Alternate name: mozAllowFullScreen Firefox – Full support Firefox 22 (Release date: 2013-06-25) footnote Full support	Opera – Full support Opera 25 (Release date: 2014-10-15) footnote Full support	Safari – Full support Safari 10.1 (Release date: 2017-03-27) footnote Full support	Chrome Android – Full support Chrome Android 38 (Release date: 2014-10-08) footnote Full support	Firefox for Android – No support Firefox for Android 9 – 17 (Release date: 2011-12-21) altname footnote Removed in 18 and later altname Alternate name: mozAllowFullScreen Firefox for Android – Full support Firefox for Android 22 (Release date: 2013-06-25) footnote Full support	Opera Android – Full support Opera Android 25 (Release date: 2014-10-16) footnote Full support	Safari on iOS – Partial support Safari on iOS 12 (Release date: 2018-09-17) footnote Partial support footnote Only available on iPad, not on iPhone. footnote Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.	Samsung Internet – Full support Samsung Internet 3 (Release date: 2015-04-10) footnote Full support	WebView Android – Full support WebView Android 38 (Release date: 2014-10-08) footnote Full support	WebView on iOS – Partial support WebView on iOS 12 (Release date: 2018-09-17) footnote Partial support footnote Only available on iPad, not on iPhone. footnote Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games.

Tip: you can click/tap on a cell for more information.

Full support: Full support
Partial support: Partial support
: Uses a non-standard name
: Has more compatibility info.

HTMLIFrameElement: allowFullscreen property

Value

Examples

Specifications

Browser compatibility

Legend

See also