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。
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構文
Operator: x >>= y Meaning: x = x >> y
例
右シフト代入の使用
let a = 5; // (00000000000000000000000000000101)
a >>= 2; // 1 (00000000000000000000000000000001)
let b = -5; // (-00000000000000000000000000000101)
b >>= 2; // -2 (-00000000000000000000000000000010)
仕様
ブラウザー実装状況
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