Returns the rotation of the device around the X axis; that is, the number of degrees, ranged between -180 and 180, by which the device is tipped forward or backward. See Orientation and motion data explained 了解细节。
var beta = instanceOfDeviceOrientationEvent.beta;
| 规范 | 状态 | 注释 |
|---|---|---|
| DeviceOrientation Event Specification | 编者草案 | 最初的规范。 |
| 桌面 | 移动 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
beta
|
Chrome 7 | Edge 12 | Firefox 6 | IE No | Opera Yes | Safari ? | WebView Android Yes | Chrome Android Yes | Firefox Android 6 | Opera Android Yes | Safari iOS 4.2 | Samsung Internet Android Yes |
完整支持
不支持
兼容性未知
实验。期望将来行为有所改变。
DeviceOrientationEvent
window.ondeviceorientation
deviceorientation
DeviceOrientationEvent