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: Number.isFinite()
+slug: Web/JavaScript/Reference/Global_Objects/Number/isFinite
+tags:
+  - Experimental
+  - Finite
+  - JavaScript
+  - Method
+  - Método(2)
+  - Number
+  - Reference
+translation_of: Web/JavaScript/Reference/Global_Objects/Number/isFinite
+---
+<div>{{JSRef}}</div>
+
+<p>O método <strong><code>Number.isFinite()</code></strong> determina se o valor passado é um número finito.</p>
+
+<h2 id="Sintaxe">Sintaxe</h2>
+
+<pre class="syntaxbox"><code>Number.isFinite(valor)</code></pre>
+
+<h3 id="Parâmetros">Parâmetros</h3>
+
+<dl>
+ <dt><code>valor</code></dt>
+ <dd>O valor a ser testado.</dd>
+</dl>
+
+<h2 id="Descrição">Descrição</h2>
+
+<p>Em comparação com a função global {{jsxref("Global_Objects/isFinite", "isFinite()")}}, <strong><code>Number.isFinite()</code></strong> não converte forçosamente o parâmetro num number. Isto significa que apenas para valores do tipo number, finitos, retorna <code>true</code>.</p>
+
+<h2 id="Exemplos">Exemplos</h2>
+
+<pre class="brush: js">Number.isFinite(Infinity);  // false
+Number.isFinite(NaN);       // false
+Number.isFinite(-Infinity); // false
+
+Number.isFinite(0);         // true
+Number.isFinite(2e64);      // true
+
+Number.isFinite('0');       // false, teria sido true com a função
+                            // global isFinite('0')
+</pre>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<pre class="brush: js">Number.isFinite = Number.isFinite || function(value) {
+    return typeof value === "number" &amp;&amp; isFinite(value);
+}
+</pre>
+
+<h2 id="Especificações">Especificações</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-number.isfinite', 'Number.isInteger')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidade_dos_browsers">Compatibilidade dos browsers</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Funcionalidade</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>{{CompatChrome("19")}}</td>
+   <td>{{CompatGeckoDesktop("16")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatOpera("15")}}</td>
+   <td>{{CompatNo}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Funcionalidade</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>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatGeckoMobile("16")}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+   <td>{{CompatUnknown}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="Ver_também">Ver também</h2>
+
+<ul>
+ <li>O objecto {{jsxref("Global_Objects/Number", "Number")}} ao qual pertence.</li>
+</ul>
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