From 074785cea106179cb3305637055ab0a009ca74f2 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:42:52 -0500
Subject: initial commit

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+---
+title: Boolean.prototype.valueOf()
+slug: Web/JavaScript/Reference/Global_Objects/Boolean/valueOf
+translation_of: Web/JavaScript/Reference/Global_Objects/Boolean/valueOf
+---
+<div>{{JSRef}}</div>
+
+<p>O método <code><strong>valueOf()</strong></code> retorna o valor primitivo de um objeto {{jsxref("Boolean")}}.</p>
+
+<h2 id="Sintaxe">Sintaxe</h2>
+
+<pre class="syntaxbox"><code><var>bool</var>.valueOf()</code></pre>
+
+<h3 id="Parâmetros">Parâmetros</h3>
+
+<p>Nenhum.</p>
+
+<h2 id="Descrição">Descrição</h2>
+
+<p>O método <code>valueOf do </code>{{jsxref("Boolean")}} retorna o valor primitivo de um objeto {{jsxref("Boolean")}} ou um literal {{jsxref("Boolean")}} como tipo de dado Boolean.</p>
+
+<p>Esse método é geralmente chamado internamente pelo JavaScript e não explicitamente no código.</p>
+
+<h2 id="Exemplos">Exemplos</h2>
+
+<h3 id="Usando_valueOf">Usando <code>valueOf</code></h3>
+
+<pre class="brush: js">x = new Boolean();
+myVar = x.valueOf(); // atribui o valor false à variável myVar
+</pre>
+
+<h2 id="Especificações">Especificações</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Especificação</th>
+   <th scope="col">Condição</th>
+   <th scope="col">Comentário</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES1')}}</td>
+   <td>{{Spec2('ES1')}}</td>
+   <td>Definição inicial. Implementado no JavaScript 1.1.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES5.1', '#sec-15.6.4.3', 'Boolean.prototype.valueOf')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-boolean.prototype.valueof', 'Boolean.prototype.valueOf')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidade_com_Navegadores">Compatibilidade com Navegadores</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Suporte básico</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Característica</th>
+   <th>Android</th>
+   <th>Chrome para Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Suporte básico</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Veja_também">Veja também</h2>
+
+<ul>
+ <li>{{jsxref("Object.prototype.valueOf()")}}</li>
+</ul>
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