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.
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.
A number.
| 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 | 11 | 15 | 17 | 3 | 18 | 6 | 14 | 4.2 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/DeviceOrientationEvent/alpha