DeviceOrientationEvent.alpha
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.
Syntax
JavaScript
Copy Code
var alpha = instanceOfDeviceOrientationEvent.alpha;
Specifications
| Specification | Status | Comment |
|---|---|---|
| Device Orientation Events | Working Draft | Initial specification. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 7.0 | 6 [1] | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | 3.0 | 6 [1] | Not supported | Not supported | 4.2 |
[1] Firefox 3.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface
See also
DeviceOrientationEvent- Detecting device orientation
- Orientation and motion data explained
window.ondeviceorientationdeviceorientation
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/deviceorientationevent/alpha