Firefox Tomorrow

web api instance property

DeviceMotionEvent: rotationRate property

View on MDN ↗

Secure context

The rotationRate read-only property of the DeviceMotionEvent interface 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 X axis; that is, front to back.
  • beta
    • : The rate at which the device is rotating about its Y axis; that is, side to side.
  • gamma
    • : The rate at which the device is rotating about its Z axis; that is, being twisted about a line perpendicular to the screen.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also