Window: vrdisplaypresentchange event
Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The vrdisplaypresentchange
event of the WebVR API is fired when the presenting state of a VR display changes — i.e. goes from presenting to not presenting, or vice versa.
Bubbles | No |
---|---|
Cancelable | No |
Interface | VRDisplayEvent |
Event handler property | onvrdisplaypresentchange |
Examples
You can use the vrdisplaypresentchange
event in an addEventListener
method:
window.addEventListener('vrdisplaypresentchange', function() {
if(vrDisplay.isPresenting) {
info.textContent = 'Display has started presenting.';
} else {
info.textContent = 'Display has stopped presenting.';
}
reportDisplays();
});
Or use the onvrdisplaypresentchange
event handler property:
window.onvrdisplaypresentchange = function() {
if(vrDisplay.isPresenting) {
info.textContent = 'Display has started presenting.';
} else {
info.textContent = 'Display has stopped presenting.';
}
reportDisplays();
};
Specifications
Specification | Status | Comment |
---|---|---|
WebVR 1.1 The definition of 'vrdisplaypresentchange' in that specification. |
Draft | Initial definition |
Browser compatibility
BCD tables only load in the browser
See also
- WebVR API homepage
- https://mixedreality.mozilla.org/ — demos, downloads, and other resources from the Mozilla VR team.