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---
title: Math.LOG2E
slug: Web/JavaScript/Reference/Global_Objects/Math/LOG2E
tags:
- JavaScript
- Math
- Property
- Reference
translation_of: Web/JavaScript/Reference/Global_Objects/Math/LOG2E
---
<div>{{JSRef}}</div>
<p><strong><code>Math.LOG2E</code></strong> 속성은 e의 로그 2 값, 약 1.442의 값을 가집니다.</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>{{EmbedInteractiveExample("pages/js/math-log2e.html")}}</div>
<div>{{js_property_attributes(0, 0, 0)}}</div>
<h2 id="설명">설명</h2>
<p><code>LOG2E</code>는 <code>Math</code>의 정적 속성이므로, 사용자가 생성한 <code>Math</code> 객체의 속성으로 접근할 수 없고 항상 <code>Math.LOG2E</code>를 사용해야 합니다. (<code>Math</code>는 생성자가 아닙니다)</p>
<h2 id="설명_2">설명</h2>
<h3 id="Math.LOG2E_사용하기"><code>Math.LOG2E</code> 사용하기</h3>
<p>다음 함수는 e의 로그 2 값을 반환합니다.</p>
<pre class="brush: js">function getLog2e() {
return Math.LOG2E;
}
getLog2e(); // 1.4426950408889634
</pre>
<h2 id="명세">명세</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="브라우저_호환성">브라우저 호환성</h2>
<p>{{Compat("javascript.builtins.Math.LOG2E")}}</p>
<h2 id="같이_보기">같이 보기</h2>
<ul>
<li>{{jsxref("Math.exp()")}}</li>
<li>{{jsxref("Math.log()")}}</li>
<li>{{jsxref("Math.log2()")}}</li>
</ul>
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