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곱하기 할당 (*=) - JavaScript | MDN

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곱하기 할당 (*=)

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015년 7월.

곱하기 할당 연산자(*=)는 오른쪽 피연산자의 값을 변수에 곱한 결과를 다시 변수에 할당합니다.

시도해 보기

let a = 2;

console.log((a *= 3));
// Expected output: 6

console.log((a *= "hello"));
// Expected output: NaN

구문

js
x *= y; // x = x * y

예제

곱하기 할당 사용하기

js
// bar = 5
// 위와 같은 변수를 가정할 때

bar *= 2; // 10
bar *= "foo"; // NaN

명세

Specification
ECMAScript® 2026 Language Specification
# sec-assignment-operators

브라우저 호환성

같이 보기









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