DeviceOrientationEvent: gamma property
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2023.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The gamma read-only property of the DeviceOrientationEvent interface 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 tilted left
or right.
See Orientation and motion data explained for details.