From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../zh-cn/web/api/wheelevent/deltamode/index.html | 122 +++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 files/zh-cn/web/api/wheelevent/deltamode/index.html (limited to 'files/zh-cn/web/api/wheelevent/deltamode/index.html') diff --git a/files/zh-cn/web/api/wheelevent/deltamode/index.html b/files/zh-cn/web/api/wheelevent/deltamode/index.html new file mode 100644 index 0000000000..7db3c83a71 --- /dev/null +++ b/files/zh-cn/web/api/wheelevent/deltamode/index.html @@ -0,0 +1,122 @@ +--- +title: WheelEvent.deltaMode +slug: Web/API/WheelEvent/deltaMode +translation_of: Web/API/WheelEvent/deltaMode +--- +

{{APIRef("DOM Events")}}

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WheelEvent.deltaMode 只读属性返回一个 unsigned long 类型的值, 声明 delta 的滚动值的单位. 可能的值为:

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ConstantValueDescription
DOM_DELTA_PIXEL0x00delta 的值为 像素 级别.
DOM_DELTA_LINE0x01delta 的值为 行 级别.
DOM_DELTA_PAGE0x02delta 的值为 页 级别.
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语法

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var unit = event.deltaMode;
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例子

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var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaX": 4, "deltaMode": 0});
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+console.log(syntheticEvent.deltaMode);
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规范

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SpecificationStatusComment
{{SpecName('DOM3 Events','#widl-WheelEvent-deltaMode','WheelEvent.deltaMode')}}{{Spec2('DOM3 Events')}}Initial definition.
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浏览器兼容性

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{{ CompatibilityTable() }}

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FeatureChromeEdgeFirefox (Gecko)Internet ExplorerOperaSafari (WebKit)
Basic support31{{ CompatVersionUnknown }}{{ CompatGeckoDesktop("17.0") }}{{ CompatIE("9.0") }}187.0
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FeatureAndroidEdgeFirefox Mobile (Gecko)IE PhoneOpera MobileSafari Mobile
Basic support{{ CompatVersionUnknown() }}{{CompatVersionUnknown}}{{ CompatGeckoMobile("17.0") }}{{ CompatUnknown() }}{{ CompatVersionUnknown() }}{{ CompatNo() }}
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另见

+ + -- cgit v1.2.3-54-g00ecf