按位異或賦值 (^=)

let a = 5; // 00000000000000000000000000000101
a ^= 3; // 00000000000000000000000000000011

console.log(a); // 00000000000000000000000000000110
// Expected output: 6

x ^= y

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