DeviceMotionEvent: rotationRate property

The DeviceMotionEvent.rotationRate read-only property 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.

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
DeviceOrientation Event Specification
# ref-for-dom-devicemotionevent-rotationrate②

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See also