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---
title: Range.startContainer
slug: Web/API/Range/startContainer
translation_of: Web/API/Range/startContainer
---
<p> </p>
<p> </p>
<pre dir="ltr" id="tw-target-text">Range.startContainer是只读属性，返回Range开始的节点。要更改节点的起始位置，请使用Range.setStart（）方法。</pre>
<p> </p>
<h2 id="Syntax" name="Syntax">Syntax</h2>
<pre class="syntaxbox"><em>startRangeNode</em> = <em>range</em>.startContainer;
</pre>
<h2 id="Example" name="Example">Example</h2>
<pre class="brush: js">range = document.createRange();
range.setStart(startNode,startOffset);
range.setEnd(endNode,endOffset);
startRangeNode = range.startContainer;
</pre>
<h2 id="Specification" name="Specification">Specifications</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-startcontainer', 'Range.endContainer')}}</td>
<td>{{Spec2('DOM WHATWG')}}</td>
<td>No change.</td>
</tr>
<tr>
<td>{{SpecName('DOM2 Traversal_Range', 'ranges.html#Level-2-Range-attr-startParent', 'Range.startContainer')}}</td>
<td>{{Spec2('DOM2 Traversal_Range')}}</td>
<td>Initial specification.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
{{Compat("api.Range.startContainer")}}
<h2 id="See_also">See also</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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