비트 AND 할당 연산 (&=)
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
비트 AND 할당 (&=
) 연산자는 두 피연산자의 이진 표현을 사용하고, 피연산자에 대한 AND 비트 연산 수행 결과를 변수에 할당합니다.
시도해보기
let a = 5; // 00000000000000000000000000000101
a &= 3; // 00000000000000000000000000000011
console.log(a); // 00000000000000000000000000000001
// Expected output: 1
구문
js
x &= y // x = x & y
예제
비트 AND 할당 연산 사용하기
js
let a = 5;
// 5: 00000000000000000000000000000101
// 2: 00000000000000000000000000000010
a &= 2; // 0
명세서
Specification |
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ECMAScript® 2025 Language Specification # sec-assignment-operators |
브라우저 호환성
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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Bitwise AND assignment ( x &= y ) |
Legend
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- Full support
- Full support
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