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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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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>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Edge</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("1.0")}}</td>
+ <td>9.0</td>
+ <td>9.0</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Edge</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("1.0")}}</td>
+ <td>9.0</td>
+ <td>9.0</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<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>