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• 句法
• 值
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

Returns the rate at which the device is rotating around each of its axes in degrees per second.

注意 : If the hardware isn't capable of providing this information, this property returns null .

句法

var rotationRate = deviceMotionEvent.rotationRate;
					

值

rotationRate property is a read only object describing the rotation rates of the device around each of its axes:

alpha

The rate at which the device is rotating about its Z axis; that is, being twisted about a line perpendicular to the screen.

beta

The rate at which the device is rotating about its X axis; that is, front to back.

gamma

The rate at which the device is rotating about its Y axis; that is, side to side.

规范

规范	状态	注释
DeviceOrientation Event Specification	编者草案	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
rotationRate	Chrome Yes	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

图例

完整支持

完整支持

不支持

不支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

另请参阅

• DeviceMotionEvent
• devicemotion
• window.ondevicemotion
• deviceorientation
• DeviceOrientationEvent
• Detecting device orientation
• Orientation and motion data explained

元数据

• 最后修改： Mar 30, 2019

相关话题

1. DeviceMotionEvent
2. 构造函数

   1. DeviceMotionEvent()
3. 特性

   1. acceleration
   2. accelerationIncludingGravity
   3. interval
   4. rotationRate
4. 继承：

   1. 事件
5. Related pages for Device Orientation Events

   1. DeviceAcceleration
   2. DeviceOrientationEvent
   3. DeviceRotationRate