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
var alpha = instanceOfDeviceOrientationEvent.alpha;
Specifications
| Specification |
|---|
| DeviceOrientation Event Specification (DeviceOrientation Event) # ref-for-dom-deviceorientationevent-alpha③ |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
alpha |
7 |
12 |
6 |
No |
Yes |
No |
≤37 |
Yes |
6 |
Yes |
4.2 |
Yes |
See also
DeviceOrientationEvent- Detecting device orientation
- Orientation and motion data explained
window.ondeviceorientationdeviceorientation
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DeviceOrientationEvent/alpha