DeviceMotionEvent.rotationRate

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

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

Syntax

var rotationRate = deviceMotionEvent.rotationRate;

Value

The 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.

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
rotationRate
Experimental
Chrome Full support YesEdge Full support 12Firefox Full support 6IE ? Opera Full support YesSafari ? WebView Android Full support YesChrome Android Full support YesFirefox Android Full support 6Opera Android No support NoSafari iOS Full support 4.2Samsung Internet Android Full support Yes

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