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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 rates = instanceOfDeviceMotionEvent.rotationRate;

Value

The rotationRates 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
Device Orientation Events Working Draft Initial specification.

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Yes) (Yes) 6 (6) ? ? ?
Feature Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 6.0 (6) No support No support 4.2

See also

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https://developer.mozilla.org/en-US/docs/Web/API/DeviceMotionEvent/rotationRate