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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: 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>