From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../operators/bitwise_and_assignment/index.html | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 files/ja/web/javascript/reference/operators/bitwise_and_assignment/index.html (limited to 'files/ja/web/javascript/reference/operators/bitwise_and_assignment') diff --git a/files/ja/web/javascript/reference/operators/bitwise_and_assignment/index.html b/files/ja/web/javascript/reference/operators/bitwise_and_assignment/index.html new file mode 100644 index 0000000000..431e576433 --- /dev/null +++ b/files/ja/web/javascript/reference/operators/bitwise_and_assignment/index.html @@ -0,0 +1,64 @@ +--- +title: ビット論理積代入 (&=) +slug: Web/JavaScript/Reference/Operators/Bitwise_AND_assignment +tags: + - Assignment operator + - JavaScript + - Language feature + - Operator + - Reference + - 代入演算子 + - 演算子 + - 言語機能 +translation_of: Web/JavaScript/Reference/Operators/Bitwise_AND_assignment +--- +
{{jsSidebar("Operators")}}
+ +

ビット論理積代入演算子 (&=) は、両方のオペランドのバイナリ表現を使用し、それらに対してビット単位の AND 演算を実行して、結果を変数に代入します。

+ +
{{EmbedInteractiveExample("pages/js/expressions-bitwise-and-assignment.html")}}
+ +
+ + + +

構文

+ +
Operator: x &= y
+Meaning:  x  = x & y
+
+ +

+ +

ビット論理積代入の使用

+ +
let a = 5;
+// 5:     00000000000000000000000000000101
+// 2:     00000000000000000000000000000010
+a &= 2; // 0
+ +

仕様

+ + + + + + + + + + +
仕様書
{{SpecName('ESDraft', '#sec-assignment-operators', 'Assignment operators')}}
+ +

ブラウザーの互換性

+ + + +

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

+ +

関連項目

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