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: Math.LOG2E
+slug: Web/JavaScript/Reference/Global_Objects/Math/LOG2E
+tags:
+  - JavaScript
+  - Math
+  - Property
+  - Propriedade
+  - Reference
+  - Referência(2)
+translation_of: Web/JavaScript/Reference/Global_Objects/Math/LOG2E
+---
+<div>{{JSRef}}</div>
+
+<p>A propriedade <strong><code>Math.LOG2E</code></strong> representa o logaritmo com base 2 de <code>e</code>, aproximadamente 1.442:</p>
+
+<p><math display="block"><semantics><mrow><mstyle mathvariant="monospace"><mi>Math.LOG2E</mi></mstyle><mo>=</mo><msub><mo lspace="0em" rspace="0em">log</mo><mn>2</mn></msub><mo stretchy="false">(</mo><mi>e</mi><mo stretchy="false">)</mo><mo>≈</mo><mn>1.442</mn></mrow><annotation encoding="TeX">\mathtt{\mi{Math.LOG2E}} = \log_2(e) \approx 1.442</annotation></semantics></math></p>
+
+<div>{{js_property_attributes(0, 0, 0)}}</div>
+
+<h2 id="Descrição">Descrição</h2>
+
+<p>Por <code>LOG2E</code> ser uma propriedade estática de <code>Math</code>, deve-se sempre usá-la como <code>Math.LOG2E</code>, e não como propriedade de um objeto <code>Math</code> criado por você (<code>Math</code> não é um construtor).</p>
+
+<h2 id="Exemplos">Exemplos</h2>
+
+<h3 id="Usando_Math.LOG2E">Usando <code>Math.LOG2E</code></h3>
+
+<p>A função a seguir retorna o logaritmo com base 2 de <code>e</code>:</p>
+
+<pre class="brush: js">function getLog2e() {
+  return Math.LOG2E;
+}
+
+getLog2e(); // 1.4426950408889634
+</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('ES1')}}</td>
+   <td>{{Spec2('ES1')}}</td>
+   <td>Initial definition. Implemented in JavaScript 1.0.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES5.1', '#sec-15.8.1.4', 'Math.LOG2E')}}</td>
+   <td>{{Spec2('ES5.1')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-math.log2e', 'Math.LOG2E')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-math.log2e', 'Math.LOG2E')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Compatibilidade_nos_navegadores">Compatibilidade nos navegadores</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("javascript.builtins.Math.LOG2E")}}</p>
+
+<h2 id="Veja_também">Veja também</h2>
+
+<ul>
+ <li>{{jsxref("Math.exp()")}}</li>
+ <li>{{jsxref("Math.log()")}}</li>
+ <li>{{jsxref("Math.log2()")}}</li>
+</ul>
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