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---
title: IntersectionObserver.root
slug: Web/API/IntersectionObserver/root
translation_of: Web/API/IntersectionObserver/root
---
<p><code>root</code> 属性用来获取当前 <code>intersectionObserver</code> 实例的根元素。</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><var>intersectionObserver</var>.root;
</pre>
<h2 id="规范">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('IntersectionObserver', '#dom-intersectionobserver-root', 'IntersectionObserver')}}</td>
<td>{{Spec2('IntersectionObserver')}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
{{Compat("api.IntersectionObserver.root")}}
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