1. Web
  2. Web APIs
  3. DeviceMotionEventRotationRate
  4. alpha

DeviceMotionEventRotationRate: alpha property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The alpha read-only property of the DeviceMotionEventRotationRate interface indicates the rate of rotation around the Z axis, in degrees per second.

Value

A double indicating the rate of rotation around the Z axis, in degrees per second. See Orientation and motion data explained for details.

Specifications

Specification
Device Orientation and Motion
# dom-devicemotioneventrotationrate-alpha

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
alpha
Chrome – Full support
Chrome 31 (Release date: 2013-11-12)
footnote Full support
Edge – Full support
Edge 12 (Release date: 2015-07-29)
footnote Full support
Firefox – Full support
Firefox 6 (Release date: 2011-08-16)
footnote Full support
Opera – Full support
Opera 18 (Release date: 2013-11-19)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 31 (Release date: 2013-11-14)
footnote Full support
Firefox for Android – Full support
Firefox for Android 6 (Release date: 2011-08-16)
footnote Full support
Opera Android – Full support
Opera Android 18 (Release date: 2013-11-20)
footnote Full support
Safari on iOS – Full support
Safari on iOS 4.2 (Release date: 2010-11-22)
footnote Full support
Samsung Internet – Full support
Samsung Internet 2 (Release date: 2014-10-17)
footnote Full support
WebView Android – Full support
WebView Android 4.4.3 (Release date: 2014-06-02)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

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Full support
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