GestureEvent

非标准: 该特性是非标准的,请尽量不要在生产环境中使用它!

GestureEvent 是 WebKit 的专有接口,提供多点触控的信息。这个接口的事件包括 gesturestartgesturechangegestureend.

GestureEvent 继承自 UIEvent,后者又继承自 Event

构造函数

GestureEvent()

Creates a GestureEvent object.

属性

This interface also inherits properties of its parents, UIEvent and Event.

GestureEvent.rotation 只读

Change in rotation (in degrees) since the event's beginning. Positive values indicate clockwise rotation; negative values indicate anticlockwise rotation. Initial value: 0.0

GestureEvent.scale 只读

Distance between two digits since the event's beginning. Expressed as a floating-point multiple of the initial distance between the digits at the beginning of the gesture. Values below 1.0 indicate an inward pinch (zoom out). Values above 1.0 indicate an outward unpinch (zoom in). Initial value: 1.0

方法

This interface also inherits methods of its parents, UIEvent and Event.

GestureEvent.initGestureEvent()

Initializes the value of an GestureEvent. If the event has already being dispatched, this method does nothing.

手势事件类型

规范

不属于任何规范。苹果在 Safari Developer Library 中描述了这个接口

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
GestureEvent
Non-standard
altKey
Non-standard
clientX
Non-standard
clientY
Non-standard
ctrlKey
Non-standard
initGestureEvent
Non-standard
metaKey
Non-standard
rotation
Non-standard
scale
Non-standard
screenX
Non-standard
screenY
Non-standard
shiftKey
Non-standard
target
Non-standard

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Non-standard. Check cross-browser support before using.

参见