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DeviceOrientationEvent: alpha property - Web APIs | MDN
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DeviceOrientationEvent: alpha property
Baseline
2023
Newly available
Since September 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or 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 DeviceOrientationEvent interface 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
| Specification |
|---|
| Device Orientation and Motion # dom-deviceorientationevent-alpha |
Browser compatibility
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