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---
title: Object.prototype.eval()
slug: Web/JavaScript/Reference/Global_Objects/Object/eval
translation_of: Archive/Web/JavaScript/Object.eval
---
<div>{{JSRef}} {{obsolete_header}}</div>
<p><code><strong>Object.eval()</strong></code> 方法用于在对象的上下文中对 JavaScript 代码字符串求值，但该方法已被移除。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><code><var>obj</var>.eval(<var>string</var>)</code></pre>
<h3 id="参数">参数</h3>
<dl>
<dt><code>string</code></dt>
<dd>包含任意 JavaScript 表达式、语句或一组语句的字符串。表达式中可包含已有对象的变量与属性。</dd>
</dl>
<h2 id="描述">描述</h2>
<p><code>eval</code> 方法已从对象方法中移除。可使用全局 {{jsxref("Global_Objects/eval", "eval()")}} 函数替代该方法。</p>
<h2 id="规范">规范</h2>
<p>暂无规范</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="相关链接">相关链接</h2>
<ul>
<li>{{jsxref("Global_Objects/eval", "eval()")}}</li>
</ul>
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