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+---
+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>