GestureEvent
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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 gesturestart
、gesturechange
和 gestureend
.
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
BCD tables only load in the browser