DeviceOrientationEvent：beta 属性
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2023年9月.
DeviceOrientationEvent 接口的 beta 只读属性返回设备围绕 X 轴的旋转角度；即设备向前或向后倾斜的度数，范围在 -180 到 180 之间。有关详细信息，请参阅 Orientation 和 motion 数据解释。