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---
title: 'arguments[@@iterator]()'
slug: Web/JavaScript/Reference/Functions/arguments/@@iterator
translation_of: Web/JavaScript/Reference/Functions/arguments/@@iterator
---
<div>{{jsSidebar("Functions")}}</div>
<p><code><strong>@@iterator</strong></code> 属性的初始值是和 {{jsxref("Array.prototype.values")}} 属性的初始值相同的对象。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><var>arguments</var>[Symbol.iterator]()</pre>
<h2 id="实例">实例</h2>
<h3 id="使用for...of循环的迭代">使用<code>for...of</code>循环的迭代</h3>
<pre class="brush: js">function f() {
// 你的浏览器必须支持 for..of 循环
// 以及 for 循环中的 let 区域变量
for (let letter of arguments) {
console.log(letter);
}
}
f('w', 'y', 'k', 'o', 'p');
</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">备注</th>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-createunmappedargumentsobject', ' CreateUnmappedArgumentsObject')}}</td>
<td>{{Spec2('ES6')}}</td>
<td>初始定义.</td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-createmappedargumentsobject', ' CreateMappedArgumentsObject')}}</td>
<td>{{Spec2('ES6')}}</td>
<td>初始定义.</td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-createunmappedargumentsobject', 'CreateUnmappedArgumentsObject')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-createmappedargumentsobject', 'CreateMappedArgumentsObject')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容">浏览器兼容</h2>
<div>
<p>{{Compat("javascript.functions.arguments.@@iterator")}}</p>
</div>
<h2 id="更多">更多</h2>
<ul>
<li>{{jsxref("Array.prototype.values()")}}</li>
</ul>
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