---
title: String.prototype.quote()
slug: Web/JavaScript/Reference/Global_Objects/String/quote
tags:
  - JavaScript
  - Method
  - Non-standard
  - Obsolete
  - Prototype
  - String
translation_of: Archive/Web/JavaScript/String.quote
---
<div>{{obsolete_header("37")}}</div>

<div>{{JSRef("Global_Objects", "String")}}{{Non-standard_header}}</div>

<h2 id="Summary" name="Summary">概述</h2>

<p>将字符串中包含的特殊字符进行转义(反斜杠),然后在字符串两边各加上一个双引号(<code>"</code>)并返回,并不修改原字符串.</p>

<h2 id="Syntax" name="Syntax">语法</h2>

<pre class="syntaxbox"><code><em>str</em>.quote()</code></pre>

<h2 id="Examples" name="Examples">示例</h2>

<table class="fullwidth-table">
 <thead>
  <tr>
   <th class="header" scope="col"><code>str</code></th>
   <th class="header" scope="col"><code>str.quote()</code></th>
   <th class="header" scope="col"><code><a href="/zh-CN/docs/JavaScript/Reference/Global_Objects/eval" title="JavaScript/Reference/Global_Objects/eval">eval</a>(str.quote())</code></th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td><code>Hello world!</code></td>
   <td><code>"Hello world!"</code></td>
   <td><code>Hello world!</code></td>
  </tr>
  <tr>
   <td><code>Hello<br>
            world!</code></td>
   <td><code>"Hello\n\tworld!"</code></td>
   <td><code>Hello<br>
            world!</code></td>
  </tr>
  <tr>
   <td><code>" \ — '</code></td>
   <td><code>"\" \\ \u2014 '"</code></td>
   <td><code>" \ — '</code></td>
  </tr>
 </tbody>
</table>

<h2 id="Specifications" name="Specifications">规范</h2>

<p>不在任何规范中。实现于 JavaScript 1.3.</p>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<div>{{CompatibilityTable}}</div>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Chrome for Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
   <td>{{CompatNo}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also" name="See_also">相关链接</h2>

<ul>
 <li><code><a href="/zh-CN/docs/JavaScript/Reference/Global_Objects/JSON/stringify" title="JavaScript/Reference/Global_Objects/JSON/stringify">JSON.stringify</a></code></li>
</ul>