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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The DeviceOrientationEvent provides web developers with information from the physical orientation of the device running the web page.

Warning: Currently, Firefox and Chrome do not handle the coordinates the same way. Take care about this while using them.

Properties

DeviceOrientationEvent.absolute Read only
A boolean that indicates whether or not the device is providing orientation data absolutely.
DeviceOrientationEvent.alpha Read only
A number representing the motion of the device around the z axis, express in degrees with values ranging from 0 to 360
DeviceOrientationEvent.beta Read only
A number representing the motion of the device around the x axis, express in degrees with values ranging from -180 to 180. This represents a front to back motion of the device.
DeviceOrientationEvent.gamma Read only
A number representing the motion of the device around the y axis, express in degrees with values ranging from -90 to 90. This represents a left to right motion of the device.

Example

window.addEventListener('deviceorientation', function(event) {
  console.log(event.alpha + ' : ' + event.beta + ' : ' + event.gamma);
});

Specifications

Specification Status Comment
Device Orientation Events Working Draft Initial specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 7.0 [1] 6 [2] ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support 3.0 (Yes) [1] 6 [2] No support No support 4.2 (Yes) [1]

[1] Before version 50, Chrome provided absolute values instead of relative values for this event. Developers still needing absolute values may use the ondeviceorientationabsolute event.

[2] Firefox 3.6, 4, and 5 supported mozOrientation instead of the standard DeviceOrientationEvent interface

See also

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 最終更新者: zeke,