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DeviceOrientationEvent: alpha property

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.

Value

A number.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
alpha 7 12 6 11 15 17 3 18 6 14 4.2 1.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/DeviceOrientationEvent/alpha