let a = 5; // 00000000000000000000000000000101
a ^= 3; // 00000000000000000000000000000011
console.log(a); // 00000000000000000000000000000110
// Expected output: 6
js
x ^= y
x ^= y is equivalent to x = x ^ y, except that the expression x is only evaluated once.
js
let a = 5; // (00000000000000000000000000000101)
a ^= 3; // (00000000000000000000000000000011)
console.log(a); // 6 (00000000000000000000000000000110)
let b = 5; // (00000000000000000000000000000101)
b ^= 0; // (00000000000000000000000000000000)
console.log(b); // 5 (00000000000000000000000000000101)
let c = 5n;
c ^= 3n;
console.log(c); // 6n
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-assignment-operators |