Web/API/Window/vrdisplayactivate event

The vrdisplayactivate event of the WebVR API is fired when a VR display is able to be presented to, for example if an HMD has been moved to bring it out of standby, or woken up by being put on.

Bubbles	No
Cancelable	No
Interface	VRDisplayEvent
Event handler property	onvrdisplayactivate

Examples

You can use the vrdisplayactivate event in an addEventListener method:

window.addEventListener('vrdisplayactivate', function() {
  info.textContent = 'Display activated.';
  reportDisplays();
});

Or use the onvrdisplayactivate event handler property:

window.onvrdisplayactivate = function() {
  info.textContent = 'Display activated.';
  reportDisplays();
};

Specifications

Specification	Status	Comment
WebVR 1.1The definition of 'vrdisplayactivate' in that specification.	Draft	Initial definition

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
vrdisplayactivate event Experimental'	Chrome No support No	Edge No support No	Firefox Full support 55 Notes' Full support 55 Notes' Notes' Windows support was enabled in Firefox 55. Full support 64 Notes' Notes' macOS support was enabled in Firefox 64.	IE No support No	Opera No support No	Safari No support No	WebView Android No support No	Chrome Android No support No	Firefox Android Full support 55	Opera Android No support No	Safari iOS No support No	Samsung Internet Android No support No

Legend

Full support  

Full support

No support  

No support

Experimental. Expect behavior to change in the future.'

Experimental. Expect behavior to change in the future.

See implementation notes.'

See implementation notes.

See also

• WebVR API homepage
• MozVr.com — demos, downloads, and other resources from the Mozilla VR team.

Window: vrdisplayactivate event by Mozilla Contributors is licensed under CC-BY-SA 2.5.