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---
title: Range.cloneContents()
slug: Web/API/Range/cloneContents
tags:
- API
- DOM
- Method
- Range
translation_of: Web/API/Range/cloneContents
---
<p>{{ APIRef("DOM") }}</p>
<p><strong><code>Range.cloneContents()</code></strong> 返回一个 {{ domxref("DocumentFragment") }}，它是 {{ domxref("Range") }} 中所有的 {{ domxref("Node") }} 对象的副本。</p>
<p>使用" DOM 事件"添加的“事件侦听器”在克隆过程中不会被复制。 HTML属性事件与“DOM Core cloneNode”方法一样被复制。“HTML id属性”也将被克隆，这可能导致通过克隆导致无效的文档。</p>
<p>Partially selected nodes include the parent tags necessary to make the document fragment valid.</p>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="syntaxbox notranslate"><em>documentFragment </em>= <em>range</em>.cloneContents();
</pre>
<h2 id="Example" name="Example">例子</h2>
<pre class="brush: js notranslate">range = document.createRange();
range.selectNode(document.getElementsByTagName("div").item(0));
documentFragment = range.cloneContents();
document.body.appendChild(documentFragment);
</pre>
<h2 id="Specification" name="Specification"> 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('DOM WHATWG', '#dom-range-clonecontents', 'Range.cloneContents()')}}</td>
<td>{{Spec2('DOM WHATWG')}}</td>
<td>No change.</td>
</tr>
<tr>
<td>{{SpecName('DOM2 Traversal_Range', 'ranges.html#Level2-Range-method-cloneContents', 'Range.cloneContents()')}}</td>
<td>{{Spec2('DOM2 Traversal_Range')}}</td>
<td>Initial specification.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.Range.cloneContents")}}</p>
<h2 id="参考">参考</h2>
<ul>
<li><a href="/en-US/docs/DOM/DOM_Reference" title="/en-US/docs/DOM/DOM_Reference">The DOM interfaces index</a></li>
</ul>
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