This property indicates the rate of rotation around the Z axis -- in degrees per second -- in a DeviceRotationRate object.
var alpha = deviceRotationRate.alpha;
This property is read-only.
alphadouble indicating the rate of rotation around the Z axis, in degrees per second. See Accelerometer values explained for details.| Specification | Status | Comment |
|---|---|---|
| Device Orientation Events | Working Draft | Initial specification. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | ? | Yes | ? | ? | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | ? | ? | Yes | ? | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/DeviceRotationRate/alpha