DeviceOrientationEvent.alpha

返回设备旋转时 Z 轴的值；即：设备围绕屏幕中心扭转的角度。详细信息请查看方向和运动数据。

Syntax

var alpha = instanceOfDeviceOrientationEvent.alpha;

Specifications

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

Browser compatibility

BCD tables only load in the browser

See also