---
title: 거듭제곱 할당 (**=)
slug: Web/JavaScript/Reference/Operators/Exponentiation_assignment
tags:
  - Assignment operator
  - JavaScript
  - Language feature
  - Operator
  - Reference
browser-compat: javascript.operators.exponentiation_assignment
translation_of: Web/JavaScript/Reference/Operators/Exponentiation_assignment
---

<div>{{jsSidebar("Operators")}}</div>

<p>
  거듭제곱 할당 연산자(<code>**=</code>)는 오른쪽 피연산자의 값으로 변수를 거듭제곱한 결과를 다시 변수에 할당합니다.
</p>

<div>{{EmbedInteractiveExample("pages/js/expressions-exponentiation-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_exponentiation_assignment">거듭제곱 할당 사용하기</h3>

<pre class="brush: js">
// bar = 5
// 위와 같은 변수를 가정할 때

bar **= 2     // 25
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/Exponentiation">거듭제곱 연산자</a></li>
</ul>