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语法高亮,滚动条美化,设置页面调整
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<div> </div>
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<p><strong><code>WeakSet</code></strong> 对象允许你将<em>弱保持对象</em>存储在一个集合中。</p>
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<h2 id="语法">语法</h2>
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<pre class="syntaxbox"> new WeakSet([iterable]);</pre>
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<pre><code class="language-javascript"> new WeakSet([iterable]);</code></pre>
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<h3 id="参数">参数</h3>
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<dl>
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<dt>iterable</dt>
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</dl><p></p>
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<h2 id="示例">示例</h2>
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<h3 id="例1_使用_WeakSet">例1: 使用 <code>WeakSet</code></h3>
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<pre class="brush: js">var ws = new WeakSet();
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<pre><code class="language-javascript">var ws = new WeakSet();
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var obj = {};
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var foo = {};
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@@ -57,7 +57,7 @@ ws.delete(window); // 从集合中删除 window 对象
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ws.has(window); // false, window 对象已经被删除了
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ws.clear(); // 清空整个 WeakSet 对象
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</pre>
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</code></pre>
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<h2 id="规范">规范</h2>
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<table class="standard-table">
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<tbody>
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