DeviceOrientationEvent.alpha

Returns the rotation of the device around the Z axis; that is, the number of degrees by which the device is being twisted around the center of the screen. See Orientation and motion data explained for details.

Syntax

var alpha = instanceOfDeviceOrientationEvent.alpha;

Specifications

Specification
DeviceOrientation Event Specification (DeviceOrientation Event)
# ref-for-dom-deviceorientationevent-alpha③

Browser compatibility

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See also