Returns the rotation of the device around the Y axis; that is, the number of degrees, ranged between -90 and 90, by which the device is turned left or right. See Orientation and motion data explained for details.


var gamma = orientationEvent.gamma;


Specification Status Comment
Device Orientation Events Working Draft Initial specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 7.0 6 [1] ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 3.0 6 [1] Not supported Not supported 4.2

[1] Firefox 3.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface

See also

Document Tags and Contributors

 Last updated by: fscholz,