This property indicates the rate of rotation around the Z axis -- in degrees per second -- in a DeviceMotionEventRotationRate object.
DeviceMotionEventRotationRate: alpha
Syntax
var alpha = deviceRotationRate.alpha;
This property is read-only.
Return value
-
alpha -
A
doubleindicating the rate of rotation around the Z axis, in degrees per second. See Accelerometer values explained for details.
Specifications
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 |
31
|
12
|
6
|
11
|
18
|
No
|
≤37
|
31
|
6
|
18
|
4.2
|
2.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEventRotationRate/alpha
