Returns the rotation of the device around the Z axis; that is, the number of degrees by which the device is being twisted around the center of the screen. See Orientation and motion data explained for details.
SyntaxEdit
var alpha = instanceOfDeviceOrientationEvent.alpha;
SpecificationsEdit
| Specification | Status | Comment |
|---|---|---|
| Device Orientation Events | Working Draft | Initial specification. |
Browser compatibilityEdit
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 7.0 | 6 [1] | ? | ? | ? |
[1] Firefox 3.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface