--- title: 빼기 할당 (-=) slug: Web/JavaScript/Reference/Operators/Subtraction_assignment tags: - Assignment operator - JavaScript - Language feature - Operator - Reference browser-compat: javascript.operators.subtraction_assignment translation_of: Web/JavaScript/Reference/Operators/Subtraction_assignment --- <div>{{jsSidebar("Operators")}}</div> <p>빼기 할당 연산자(<code>-=</code>)는 오른쪽 피연산자의 값을 변수에서 뺀 결과를 다시 변수에 할당합니다.</p> <div>{{EmbedInteractiveExample("pages/js/expressions-subtraction-assignment.html")}}</div> <h2 id="syntax">구문</h2> <pre class="brush: js">x -= y // x = x - y</pre> <h2 id="examples">예제</h2> <h3 id="using_subtraction_assignment">빼기 할당 사용하기</h3> <pre class="brush: js"> // bar = 5 // 위와 같은 변수를 가정할 때 bar -= 2 // 3 bar -= 'foo' // NaN </pre> <h2 id="specifications">명세</h2> {{Specifications}} <h2 id="browser_compatibility">브라우저 호환성</h2> <p>{{Compat}}</p> <h2 id="see_also">같이 보기</h2> <ul> <li> <a href="/ko/docs/Web/JavaScript/Guide/Expressions_and_Operators#assignment">JavaScript 안내서의 할당 연산자</a> </li> <li><a href="/ko/docs/Web/JavaScript/Reference/Operators/Subtraction">빼기 연산자</a></li> </ul>