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按位异或赋值 (^=)
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
按位异或赋值操作符 (^=) 使用二进制表示操作数，进行一次按位异或操作并赋值。
尝试一下
let a = 5; // 00000000000000000000000000000101a ^= 3; // 00000000000000000000000000000011console.log(a); // 00000000000000000000000000000110// Expected output: 6语法
Operator: x ^= yMeaning: x = x ^ y
示例
使用按位异或赋值
js
let a = 5; // 00000000000000000000000000000101a ^= 3; // 00000000000000000000000000000011console.log(a); // 00000000000000000000000000000110// 6let b = 5; // 00000000000000000000000000000101b ^= 0; // 00000000000000000000000000000000console.log(b); // 00000000000000000000000000000101// 5规范
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-assignment-operators |