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The read-only fullscreenEnabled property on the Document interface indicates whether or not full-screen mode is available. Full-screen mode is available only for a page that has no windowed plug-ins in any of its documents, and if all <iframe> elements which contain the document have their allowfullscreen attribute set.

Although this property is read-only, it will not throw if it is modified (even in strict mode); the setter is a no-operation and it will be ignored.

Syntax

var isFullscreenAvailable = document.fullscreenEnabled;

Value

A Boolean value which is true if the document and the elements within can be placed into full-screen mode by calling Element.requestFullscreen(). If full-screen mode isn't available, this value is false.

Example

In this example, before attempting to request full-screen mode for a video element, the value of fullscreenEnabled is checked, in order to avoid making the attempt when not available.

function requestFullScreen() {
  if (document.fullscreenEnabled) {
    videoElement.requestFullScreen();
  } else {
    console.log('Your browser cannot use fullscreen right now');
  }
}

Specifications

Specification Status Comment
Fullscreen API
The definition of 'Document.fullscreenEnabled' in that specification.
Living Standard Initial definition

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 45
Full support 45
Full support Yes
Prefixed
Prefixed Implemented with the vendor prefix: webkit
Edge ? Firefox Full support 64
Full support 64
Full support 47
Disabled
Disabled From version 47: this feature is behind the full-screen-api.unprefix.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Full support 10
Alternate Name
Alternate Name Uses the non-standard name: mozFullScreenEnabled
IE Full support 11
Alternate Name
Full support 11
Alternate Name
Alternate Name Uses the non-standard name: msFullScreenEnabled
Opera ? Safari ? WebView Android Full support 45
Full support 45
Full support Yes
Prefixed
Prefixed Implemented with the vendor prefix: webkit
Chrome Android Full support 45
Full support 45
Full support Yes
Prefixed
Prefixed Implemented with the vendor prefix: webkit
Edge Mobile ? Firefox Android Full support 64
Full support 64
Full support 47
Disabled
Disabled From version 47: this feature is behind the full-screen-api.unprefix.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Full support 10
Alternate Name
Alternate Name Uses the non-standard name: mozFullScreenEnabled
Opera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
User must explicitly enable this feature.
User must explicitly enable this feature.
Uses a non-standard name.
Uses a non-standard name.
Requires a vendor prefix or different name for use.
Requires a vendor prefix or different name for use.

See also

Autorzy i etykiety dokumentu

Ostatnia aktualizacja: mfuji09,