DeviceMotionEvent.interval Returns the interval, in milliseconds, at which data is obtained from the underlaying hardware. You can use this to determine the granularity of motion events. Syntax var interval = instanceOfDeviceMotionEvent.interval; Specifications Specification Status Comment Device Orientation Events Working Draft Initial specification. Browser compatibility Desktop Mobile Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit) Basic support (Yes) 6 (6) ? ? ? Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Basic support (Yes) 6.0 (6) Not supported Not supported 4.2 See also DeviceMotionEvent devicemotion window.ondevicemotion deviceorientation DeviceOrientationEvent Detecting device orientation Orientation and motion data explained License © 2016 Mozilla ContributorsLicensed under the Creative Commons Attribution-ShareAlike License v2.5 or later. https://developer.mozilla.org/en-us/docs/web/api/devicemotionevent/interval API Device Orientation Firefox OS Mobile Motion NeedsExample Orientation Property