Window.ondeviceorientationabsolute - Web APIs
summary an event handler for the deviceorientationabsolute event containing information about an absolute device orientation change.
... syntax window.ondeviceorientationabsolute = function(event) { ...
... }; window.addeventlistener('deviceorientationabsolute', function(event) { ...

DeviceOrientationEvent.DeviceOrientationEvent() - Web APIs
syntax var deviceorientationevent = new deviceorientationevent(type[, options]) parameters type either "deviceorientation" or "deviceorientationabsolute".

Index - Web APIs
4952 window.ondeviceorientationabsolute api, device orientation, mobile, orientation, property an event handler for the deviceorientationabsolute event containing information about an absolute device orientation change.

Window - Web APIs
window.ondevicelight an event handler property for any ambient light levels changes window.ondevicemotion called if accelerometer detects a change (for mobile devices) window.ondeviceorientation called when the orientation is changed (for mobile devices) window.ondeviceorientationabsolute an event handler property for any device orientation changes.