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+---
+title: MutationObserver.disconnect()
+slug: Web/API/MutationObserver/disconnect
+translation_of: Web/API/MutationObserver/disconnect
+---
+<div>{{APIRef("DOM WHATWG")}}</div>
+
+<p><span class="seoSummary">{{domxref("MutationObserver")}} 的 <code><strong>disconnect()</strong></code> 方法告诉观察者停止观察变动。</span> 可以通过调用其{{domxref("MutationObserver.observe", "observe()")}}方法来重用观察者。</p>
+
+<ul>
+</ul>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>mutationObserver</em>.disconnect()
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<p>无。</p>
+
+<h3 id="返回值">返回值</h3>
+
+<p><code>undefined</code>.</p>
+
+<div class="note">
+<p><strong>注意:</strong> 所有已经检测到但是尚未向观察者报告的变动都会被丢弃。</p>
+</div>
+
+<h2 id="使用说明">使用说明</h2>
+
+<p>如果被观察的元素被从DOM中移除，然后被浏览器的垃圾回收机制释放，此<code>MutationObserver</code>将同样被删除。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>下面的示例创建了一个观察者，接着与之断开连接，让它可以重复使用。</p>
+
+<pre class="brush: js">var targetNode = document.querySelector("#someElement");
+var observerOptions = {
+  childList: true,
+  attributes: true
+}
+
+var observer = new MutationObserver(callback);
+observer.observe(targetNode, observerOptions);
+
+/* some time later... */
+
+observer.disconnect();</pre>
+
+<h2 id="Specifications" name="Specifications">规范</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">批注</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('DOM WHATWG', '#dom-mutationobserver-disconnect', 'MutationObserver.disconnect()')}}</td>
+   <td>{{ Spec2('DOM WHATWG') }}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.MutationObserver.disconnect")}}</p>