DeviceOrientationEvent.alpha

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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 Status Comment
DeviceOrientation Event Specification Editor's Draft Initial specification.

Browser compatibility

 

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Experimental
Chrome Full support 7Edge Full support YesFirefox Full support 6IE ? Opera ? Safari ? WebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 6Opera Android No support NoSafari iOS Full support 4.2Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

 

See also

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