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+---
+title: 'Set.prototype[@@iterator]()'
+slug: Web/JavaScript/Reference/Global_Objects/Set/@@iterator
+tags:
+  - ECMAScript2015
+  - Iterator
+  - JavaScript
+  - Method
+  - set
+translation_of: Web/JavaScript/Reference/Global_Objects/Set/@@iterator
+---
+<div>{{JSRef}}</div>
+
+<p><code><strong>@@iterator</strong></code> 属性的初始值和 {{jsxref("Set.prototype.values()", "values")}} 属性的初始值是同一个函数。</p>
+
+<div>{{EmbedInteractiveExample("pages/js/set-prototype-@@iterator.html")}}</div>
+
+
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox notranslate"><code><em>mySet</em>[Symbol.iterator]</code></pre>
+
+<h3 id="Return_value">Return value</h3>
+
+<p>返回 <code>Set</code> <strong>iterator</strong> 函数，默认值是 {{jsxref("Set.prototype.values()", "values()")}} 函数。</p>
+
+<h2 id="Examples">Examples</h2>
+
+<h3 id="Using_iterator">Using <code>[@@iterator]()</code></h3>
+
+<pre class="brush:js notranslate">const mySet = new Set();
+mySet.add('0');
+mySet.add(1);
+mySet.add({});
+
+const setIter = mySet[Symbol.iterator]();
+
+console.log(setIter.next().value); // "0"
+console.log(setIter.next().value); // 1
+console.log(setIter.next().value); // Object
+</pre>
+
+<h3 id="Using_iterator_with_for..of">Using <code>[@@iterator]()</code> with <code>for..of</code></h3>
+
+<pre class="brush:js notranslate">const mySet = new Set();
+mySet.add('0');
+mySet.add(1);
+mySet.add({});
+
+for (const v of mySet) {
+  console.log(v);
+}
+</pre>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-set.prototype-@@iterator', 'Set.prototype[@@iterator]')}}</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("javascript.builtins.Set.@@iterator")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{jsxref("Set.prototype.entries()")}}</li>
+ <li>{{jsxref("Set.prototype.keys()")}}</li>
+ <li>{{jsxref("Set.prototype.values()")}}</li>
+</ul>