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---
title: Boolean.prototype.valueOf()
slug: Web/JavaScript/Reference/Global_Objects/Boolean/valueOf
tags:
  - Boolean
  - JavaScript
  - Method
  - Prototype
  - Reference
translation_of: Web/JavaScript/Reference/Global_Objects/Boolean/valueOf
---
<div>{{JSRef}}</div>

<p><code><strong>valueOf()</strong></code> 메서드는 {{jsxref("Boolean")}} 객체의 원시 값을 반환합니다.</p>

<div>{{EmbedInteractiveExample("pages/js/boolean-valueof.html")}}</div>



<h2 id="구문">구문</h2>

<pre class="syntaxbox notranslate"><var>bool</var>.valueOf()</pre>

<h3 id="반환_값">반환 값</h3>

<p>{{jsxref("Boolean")}} 객체의 원시 값.</p>

<h2 id="설명">설명</h2>

<p><code>valueOf()</code> 메서드는 {{jsxref("Boolean")}} 객체나 불리언 리터럴의 원시 값을 Boolean 자료형의 값으로 반환합니다.</p>

<p><code>valueOf()</code> 메서드는 보통 JavaScript 내부에서 호출하며 코드에서 명시적으로 사용하지는 않습니다.</p>

<h2 id="예제">예제</h2>

<h3 id="valueOf_사용하기"><code>valueOf</code> 사용하기</h3>

<pre class="brush: js notranslate">var x = new Boolean();
x.valueOf(); // false
</pre>

<h2 id="명세">명세</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
  </tr>
  <tr>
   <td>{{SpecName('ESDraft', '#sec-boolean.prototype.valueof', 'Boolean.prototype.valueOf')}}</td>
  </tr>
 </tbody>
</table>

<h2 id="브라우저_호환성">브라우저 호환성</h2>

<div>


<p>{{Compat("javascript.builtins.Boolean.valueOf")}}</p>
</div>

<h2 id="같이_보기">같이 보기</h2>

<ul>
 <li>{{jsxref("Object.prototype.valueOf()")}}</li>
</ul>