Window: sự kiện deviceorientationabsolute
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The deviceorientationabsolute event is fired when absolute device orientation changes.
This event is not cancelable and does not bubble.
Cú pháp
Sử dụng tên sự kiện trong các phương thức như addEventListener(), hoặc thiết lập thuộc tính trình xử lý sự kiện.
addEventListener("deviceorientationabsolute", (event) => { })
ondeviceorientationabsolute = (event) => { }
Kiểu sự kiện
A DeviceOrientationEvent. Inherits from Event.
Event properties
DeviceOrientationEvent.absoluteRead only-
A boolean that indicates whether the device is providing orientation data absolutely.
DeviceOrientationEvent.alphaRead only-
A number representing the motion of the device around the z axis, expressed in degrees with values ranging from 0 (inclusive) to 360 (exclusive).
DeviceOrientationEvent.betaRead only-
A number representing the motion of the device around the x axis, expressed in degrees with values ranging from -180 (inclusive) to 180 (exclusive). This represents a front to back motion of the device.
DeviceOrientationEvent.gammaRead only-
A number representing the motion of the device around the y axis, expressed in degrees with values ranging from -90 (inclusive) to 90 (exclusive). This represents a left to right motion of the device.
DeviceOrientationEvent.webkitCompassHeadingNon-standard Read only-
A number represents the difference between the motion of the device around the z axis of the world system and the direction of north, expressed in degrees with values ranging from 0 to 360.
DeviceOrientationEvent.webkitCompassAccuracyNon-standard Read only-
The accuracy of the compass given as a positive or negative deviation. It's usually 10.
Đặc tả kỹ thuật
| Specification |
|---|
| Device Orientation and Motion> # dom-window-ondeviceorientationabsolute> |