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| author | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-09-26 01:32:15 +0900 |
|---|---|---|
| committer | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-10-03 13:37:37 +0900 |
| commit | fb129cca2082cbc57f93025a2e46797e5fb4a0f3 (patch) | |
| tree | ea14ee032bb589704833b4cf6bf9bf79f973cc1d /files/ja/web/javascript/reference/operators/right_shift_assignment | |
| parent | 3d9227f8d11cf28c9999054afa2d63b83ef38b3d (diff) | |
| download | translated-content-fb129cca2082cbc57f93025a2e46797e5fb4a0f3.tar.gz translated-content-fb129cca2082cbc57f93025a2e46797e5fb4a0f3.tar.bz2 translated-content-fb129cca2082cbc57f93025a2e46797e5fb4a0f3.zip | |
代入演算子の文書を更新
- 2021/07/21 時点の英語版に更新
Diffstat (limited to 'files/ja/web/javascript/reference/operators/right_shift_assignment')
| -rw-r--r-- | files/ja/web/javascript/reference/operators/right_shift_assignment/index.md | 49 |
1 files changed, 18 insertions, 31 deletions
diff --git a/files/ja/web/javascript/reference/operators/right_shift_assignment/index.md b/files/ja/web/javascript/reference/operators/right_shift_assignment/index.md index be17efee9c..fb30c2d912 100644 --- a/files/ja/web/javascript/reference/operators/right_shift_assignment/index.md +++ b/files/ja/web/javascript/reference/operators/right_shift_assignment/index.md @@ -7,55 +7,42 @@ tags: - 言語機能 - 演算子 - Reference +browser-compat: javascript.operators.right_shift_assignment translation_of: Web/JavaScript/Reference/Operators/Right_shift_assignment --- {{jsSidebar("Operators")}} -右シフト代入演算子 (`>>=`) は、指定された量のビットを右に移動し、結果を変数に代入します。 +右シフト代入演算子 (`>>=`) は、指定された数だけビットを右に移動し、結果を変数に代入します。 {{EmbedInteractiveExample("pages/js/expressions-right-shift-assignment.html")}} -<div></div> - - - ## 構文 -<pre class="syntaxbox notranslate"><strong>Operator:</strong> x >>= y -<strong>Meaning:</strong> x = x >> y</pre> +```js +x >>= y // x = x >> y +``` ## 例 -<h3 id="右シフト代入の使用">右シフト代入の使用</h3> +### 右シフト代入の使用 -<pre class="brush: js notranslate">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="仕様">仕様</h2> - -<table class="standard-table"> - <tbody> - <tr> - <th scope="col">仕様</th> - </tr> - <tr> - <td>{{SpecName('ESDraft', '#sec-assignment-operators', 'Assignment operators')}}</td> - </tr> - </tbody> -</table> +b >>= 2; // -2 (-00000000000000000000000000000010) +``` -<h2 id="ブラウザー実装状況">ブラウザー実装状況</h2> +## 仕様書 +{{Specifications}} +## ブラウザーの互換性 -{{Compat("javascript.operators.right_shift_assignment")}} +{{Compat}} -<h2 id="関連項目">関連項目</h2> +## 関連情報 -<ul> - <li><a href="/ja/docs/Web/JavaScript/Guide/Expressions_and_Operators#Assignment">代入演算子</a></li> - <li><a href="/ja/docs/Web/JavaScript/Reference/Operators/Right_shift">右シフト演算子</a></li> -</ul> +- [JavaScript ガイドの代入演算子](/ja/docs/Web/JavaScript/Guide/Expressions_and_Operators#assignment) +- [右シフト演算子](/ja/docs/Web/JavaScript/Reference/Operators/Right_shift) |