This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.
The isConnected
read-only property of the VRDisplay
interface returns a Boolean
indicating whether the VRDisplay
is connected to the computer.
Syntax
var isItConnected = vrDisplayInstance.isConnected;
Value
A Boolean
; true
means the display is connected; false
means it isn't.
Examples
navigator.getVRDisplays().then(function(displays) {
// If a display is available, use it to present the scene
if(displays.length > 0) {
vrDisplay = displays[0];
// Starting the presentation when the button is clicked: It can only be called in response to a user gesture
btn.addEventListener('click', function() {
// Only request presentation if the display is still connected.
if(vrDisplay.isConnected) {
vrDisplay.requestPresent([{ source: canvas }]).then(function() {
// start rendering the app, etc.
});
} else {
console.log('Connection to display lost');
}
});
}
});
Specifications
Specification | Status | Comment |
WebVR 1.1The definition of 'isConnected' in that specification. | Draft | Initial definition |
Browser compatibility
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chrome
No support No |
Edge
No support 15 — 79 |
Firefox Full support 55 Full support 55 Notes' Windows support was enabled in Firefox 55. Full support 64 Notes' macOS support was enabled in Firefox 64. |
IE
No support No |
Opera
? |
Safari
No support No |
WebView Android
No support No |
Chrome Android No support 56 — 80 No support 56 — 80 Notes' Only works in an experimental version of Chrome. (Other builds won't return any devices when |
Firefox Android
Full support 55 |
Opera Android
? |
Safari iOS
? |
Samsung Internet Android Full support 6.0 Full support 6.0 Notes' Google Cardboard supported in Samsung Internet 7.0. |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.'
- Experimental. Expect behavior to change in the future.
- Deprecated. Not for use in new websites.'
- Deprecated. Not for use in new websites.
- See implementation notes.'
- See implementation notes.
- User must explicitly enable this feature.'
- User must explicitly enable this feature.
See also
- WebVR API homepage
- MozVr.com — demos, downloads, and other resources from the Mozilla VR team.
VRdisplay.isConnected by Mozilla Contributors is licensed under CC-BY-SA 2.5.