DeviceMotionEventRotationRate: alpha
This property indicates the rate of rotation around the Z axis -- in degrees per second -- in a DeviceMotionEventRotationRate object.
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
| Specification |
|---|
| DeviceOrientation Event Specification (DeviceOrientation Event) # dom-devicemotioneventrotationrate-alpha |
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 |
No |
12-79 |
6 |
No |
? |
5.1
Doesn't expose the
DeviceMotionEventRotationRate interface itself. |
≤37 |
28 |
6 |
? |
5
Doesn't expose the
DeviceMotionEventRotationRate interface itself. |
1.5 |
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https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEventRotationRate/alpha