---
title: Element.scrollTopMax
slug: Web/API/Element/scrollTopMax
translation_of: Web/API/Element/scrollTopMax
---
<p>{{APIRef("DOM")}}{{Non-standard_header}}</p>

<p><code><strong>Element.scrollTopMax 返回一个只读Number表示元素所能滚动的最大高度</strong></code></p>

<h2 id="语法">语法</h2>

<pre>var <em>pxl</em> = <em>elt</em>.scrollTopMax;</pre>

<h2 id="规范">规范</h2>

<p>此属性不在当前规范中</p>

<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容</h2>

<p>{{ CompatibilityTable() }}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatGeckoDesktop(16) }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</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>{{ CompatNo() }}</td>
   <td>{{ CompatGeckoMobile(16) }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>{{domxref("Element.scrollLeftMax")}} giving the same information for the other axis.</li>
</ul>