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diff --git a/files/zh-cn/web/javascript/reference/operators/right_shift_assignment/index.md b/files/zh-cn/web/javascript/reference/operators/right_shift_assignment/index.md index f3698e9737..7afdf1311e 100644 --- a/files/zh-cn/web/javascript/reference/operators/right_shift_assignment/index.md +++ b/files/zh-cn/web/javascript/reference/operators/right_shift_assignment/index.md @@ -1,55 +1,47 @@ --- -title: Right shift assignment (>>=) +title: 右移赋值 (>>=) slug: Web/JavaScript/Reference/Operators/Right_shift_assignment -translation_of: Web/JavaScript/Reference/Operators/Right_shift_assignment +tags: + - Assignment operator + - JavaScript + - Language feature + - Operator + - Reference +browser-compat: javascript.operators.right_shift_assignment --- -<div>{{jsSidebar("Operators")}}</div> +{{jsSidebar("Operators")}} -<p>The right shift assignment operator (<code>>>=</code>) moves the specified amount of bits to the right and assigns the result to the variable.</p> +右移赋值运算符 (`>>=`) 将变量向右移动指定数量的位，并将结果赋值给变量。 -<div>{{EmbedInteractiveExample("pages/js/expressions-right-shift-assignment.html")}}</div> +{{EmbedInteractiveExample("pages/js/expressions-right-shift-assignment.html")}} +## 语法 +```js +x >>= y // x = x >> y +``` +## 例子 +### 使用右移赋值运算符 -<h2 id="语法">语法</h2> - -<pre class="syntaxbox"><strong>Operator:</strong> x >>= y -<strong>Meaning:</strong> x = x >> y</pre> - -<h2 id="Examples">Examples</h2> - -<h3 id="Using_right_shift_assignment">Using right shift assignment</h3> - -<pre class="brush: js">let a = 5; // (00000000000000000000000000000101) -a >>= 2; // 1 (00000000000000000000000000000001) +```js +let a = 5; // (00000000000000000000000000000101) +a >>= 2; // 1 (00000000000000000000000000000001) let b = -5; // (-00000000000000000000000000000101) -b >>= 2; // -2 (-00000000000000000000000000000010)</pre> - -<h2 id="Specifications">Specifications</h2> - -<table class="standard-table"> - <tbody> - <tr> - <th scope="col">Specification</th> - </tr> - <tr> - <td>{{SpecName('ESDraft', '#sec-assignment-operators', 'Assignment operators')}}</td> - </tr> - </tbody> -</table> +b >>= 2; // -2 (-00000000000000000000000000000010) +``` -<h2 id="Browser_compatibility">Browser compatibility</h2> +## 规范 +{{Specifications}} +## 浏览器兼容性 -<p>{{Compat("javascript.operators.right_shift_assignment")}}</p> +{{Compat}} -<h2 id="See_also">See also</h2> +## 参考 -<ul> - <li><a href="/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#Assignment">Assignment operators in the JS guide</a></li> - <li><a href="/en-US/docs/Web/JavaScript/Reference/Operators/Right_shift">Right shift operator</a></li> -</ul> +- [JS 指南中的赋值运算符](/zh-CN/docs/Web/JavaScript/Guide/Expressions_and_Operators#assignment) +- [右移运算符](/zh-CN/docs/Web/JavaScript/Reference/Operators/Right_shift) |