---
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")}}