From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../reference/operators/division/index.html | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 files/zh-cn/web/javascript/reference/operators/division/index.html (limited to 'files/zh-cn/web/javascript/reference/operators/division') diff --git a/files/zh-cn/web/javascript/reference/operators/division/index.html b/files/zh-cn/web/javascript/reference/operators/division/index.html new file mode 100644 index 0000000000..8bfc53db1f --- /dev/null +++ b/files/zh-cn/web/javascript/reference/operators/division/index.html @@ -0,0 +1,76 @@ +--- +title: 除法 (/) +slug: Web/JavaScript/Reference/Operators/Division +tags: + - JavaScript + - 参考 + - 语言特征 + - 运算符 +translation_of: Web/JavaScript/Reference/Operators/Division +--- +
{{jsSidebar("Operators")}}
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除法运算符 (/) 计算了两个操作数的商,左边的数是被除数,右边的是除数

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{{EmbedInteractiveExample("pages/js/expressions-division.html")}}
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+ + + +

语法

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Operator: x / y
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例子

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基本除法

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1 / 2              // 0.5
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+Math.floor(3 / 2) // 1
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+1.0 / 2.0         // 0.5
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+ +

除以0

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2.0 / 0     // Infinity
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+2.0 / 0.0   // Infinity, because 0.0 === 0
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+2.0 / -0.0  // -Infinity
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规范

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Specification
{{SpecName('ESDraft', '#sec-multiplicative-operators', 'Division operator')}}
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浏览器兼容性

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{{Compat("javascript.operators.division")}}

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参见

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