files/zh-cn/web/api/globaleventhandlers/onpointerover/index.html


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---
title: 全局事件处理器.onpointerover
slug: Web/API/GlobalEventHandlers/onpointerover
tags:
  - HTML DOM
  - 全局事件处理器
  - 属性
  - 引用
  - 指针事件
  - 文档
translation_of: Web/API/GlobalEventHandlers/onpointerover
---
<div>{{ApiRef("HTML DOM")}}</div>

<p>A {{domxref("GlobalEventHandlers","global event handler")}} for the {{event("pointerover")}} event.</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">var <var>overHandler</var> = <var>targetElement</var>.onpointerover;
</pre>

<h3 id="返回值">返回值</h3>

<dl>
 <dt><code>overHandler</code></dt>
 <dd> pointerover 事件处理器返回目标元素的<code>overHandler.</code></dd>
</dl>

<h2 id="案例">案例</h2>

<p>这里使用两种方式展示了如何去使用 <em>onpointerover</em> 去设置一个元素的 <em>pointerover </em>事件处理器</p>

<pre class="brush: js">&lt;html&gt;
&lt;script&gt;
function overHandler(ev) {
 // Process the pointerover event
}
function init() {
 var el=document.getElementById("target1");
 el.onpointerover = overHandler;
}
&lt;/script&gt;
&lt;body onload="init();"&gt;
&lt;div id="target1"&gt; Touch me ... &lt;/div&gt;
&lt;div id="target2" onpointerover="overHandler(event)"&gt; Touch me ... &lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;
</pre>

<h2 id="说明">说明</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">说明</th>
   <th scope="col">状态</th>
   <th scope="col">备注</th>
  </tr>
  <tr>
   <td>{{SpecName('Pointer Events 2','#widl-GlobalEventHandlers-onpointerover', 'onpointerover')}}</td>
   <td>{{Spec2('Pointer Events 2')}}</td>
   <td>不稳定版本</td>
  </tr>
  <tr>
   <td>{{SpecName('Pointer Events', '#widl-GlobalEventHandlers-onpointerover', 'onpointerover')}}</td>
   <td>{{Spec2('Pointer Events')}}</td>
   <td>初始定义</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>


<p>{{Compat("api.GlobalEventHandlers.onpointerover")}}</p>

<h2 id="参见">参见</h2>

<ul>
 <li>{{event("pointerover")}}</li>
</ul>