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---
title: Set.prototype.delete()
slug: Web/JavaScript/Reference/Global_Objects/Set/delete
tags:
- ECMAScript6
- JavaScript
- set
- 方法
translation_of: Web/JavaScript/Reference/Global_Objects/Set/delete
---
<div>{{JSRef}}</div>
<p><code><strong>delete()</strong></code> 方法可以从一个 <code>Set</code> 对象中删除指定的元素。</p>
<h2 id="Syntax">语法</h2>
<pre class="syntaxbox"><code><em>mySet</em>.delete(value);</code></pre>
<h3 id="参数">参数</h3>
<dl>
<dt>value</dt>
<dd>将要删除的元素</dd>
</dl>
<h3 id="返回值">返回值</h3>
<p>成功删除返回 <code>true</code>，否则返回 <code>false。</code></p>
<h2 id="Examples">示例</h2>
<pre class="brush: js">var mySet = new Set();
mySet.add("foo");
mySet.delete("bar"); // 返回 false，不包含 "bar" 这个元素
mySet.delete("foo"); // 返回 true，删除成功
mySet.has("foo"); // 返回 false，"foo" 已经成功删除
</pre>
<h2 id="规范">规范</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('ES6', '#sec-set.prototype.delete', 'Set.prototype.delete')}}</td>
<td>{{Spec2('ES6')}}</td>
<td>Initial definition.</td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-set.prototype.delete', 'Set.prototype.delete')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
{{Compat}}
<h2 id="See_also">相关链接</h2>
<ul>
<li>{{jsxref("Set")}}</li>
<li>{{jsxref("Set.prototype.clear()")}}</li>
</ul>
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