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

<p><span class="short_text" id="result_box" lang="zh-CN"><span>toSource()方法返回一个表示对象的源码的字符串。</span></span></p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox"><var>booleanObj</var>.toSource()
Boolean.toSource()</pre>

<h3 id="返回值">返回值</h3>

<p><span class="short_text" id="result_box" lang="zh-CN"><span>表示对象的源码的字符串。</span></span></p>

<h2 id="描述">描述</h2>

<p><span class="short_text" id="result_box" lang="zh-CN"><span>toSource方法返回以下值:</span></span></p>

<ul>
 <li><span id="result_box" lang="zh-CN"><span>对于内置的</span></span> {{jsxref("Boolean")}} <span lang="zh-CN"><span>对象,toSource返回以下字符串,表示源代码不可用:</span></span>

  <pre class="brush: js">function Boolean() {
    [native code]
}
</pre>
 </li>
 <li><span class="short_text" id="result_box" lang="zh-CN"><span>对于</span></span> {{jsxref("Boolean")}}<span class="short_text" lang="zh-CN"><span> 的实例,toSource返回一个表示源代码的字符串。</span></span></li>
</ul>

<p><span class="short_text" id="result_box" lang="zh-CN"><span>此方法通常由JavaScript在内部调用,而不是在代码中显式调用。</span></span></p>

<h2 id="规范"><span class="short_text" id="result_box" lang="zh-CN"><span>规范</span></span></h2>

<p><span id="result_box" lang="zh-CN"><span>不是任何标准的一部分。</span> <span>在JavaScript 1.3中实现。</span></span></p>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<div>
<div>


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

<h2 id="相关链接">相关链接</h2>

<ul>
 <li>{{jsxref("Object.prototype.toSource()")}} {{non-standard_inline}}</li>
</ul>