From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- files/zh-cn/web/api/gestureevent/index.html | 68 +++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 files/zh-cn/web/api/gestureevent/index.html (limited to 'files/zh-cn/web/api/gestureevent') diff --git a/files/zh-cn/web/api/gestureevent/index.html b/files/zh-cn/web/api/gestureevent/index.html new file mode 100644 index 0000000000..80ad1fc390 --- /dev/null +++ b/files/zh-cn/web/api/gestureevent/index.html @@ -0,0 +1,68 @@ +--- +title: GestureEvent +slug: Web/API/GestureEvent +translation_of: Web/API/GestureEvent +--- +

{{APIRef("DOM Events")}}

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{{Non-standard_header()}}

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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 {{event("gesturestart")}}, {{event("gesturechange")}} 和 {{event("gestureend")}}.

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GestureEvent 继承自 {{domxref("UIEvent")}},后者又继承自{{domxref("Event")}}。

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构造函数

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{{domxref("GestureEvent.GestureEvent", "GestureEvent()")}}
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Creates a GestureEvent object.
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属性

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This interface also inherits properties of its parents, {{domxref("UIEvent")}} and {{domxref("Event")}}.

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{{domxref("GestureEvent.rotation")}} {{readonlyinline}}
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Change in rotation (in degrees) since the event's beginning. Positive values indicate clockwise rotation; negative values indicate anticlockwise rotation. Initial value: 0.0
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{{domxref("GestureEvent.scale")}} {{readonlyinline}}
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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
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方法

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This interface also inherits methods of its parents, {{domxref("UIEvent")}} and {{domxref("Event")}}.

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{{domxref("GestureEvent.initGestureEvent()")}}
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Initializes the value of an GestureEvent. If the event has already being dispatched, this method does nothing.
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手势事件类型

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规范

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

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Browser compatibility

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+ {{Compat("api.GestureEvent")}}

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参见

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