Join MDN and developers like you at Mozilla's View Source conference, 12-14 September in Berlin, Germany. Learn more at https://viewsourceconf.org

DeviceRotationRate.alpha

This property indicates the rate of rotation around the Z axis -- in degrees per second -- in a DeviceRotationRate object.

Syntax

var alpha = deviceRotationRate.alpha;

This property is read-only.

Return value

alpha
A double indicating the rate of rotation around the Z axis, in degrees per second. See Accelerometer values explained for details.

Specifications

Specification Status Comment
Device Orientation Events Working Draft Initial specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? ? ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?

Document Tags and Contributors

 Contributors to this page: fscholz, teoli, MHasan, kscarfone, Sheppy
 Last updated by: fscholz,