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+---
+title: GlobalEventHandlers.onpointerenter
+slug: Web/API/GlobalEventHandlers/onpointerenter
+translation_of: Web/API/GlobalEventHandlers/onpointerenter
+---
+<div>HTML DOM</div>
+
+<div>pointerenter事件的GlobalEventHandlers(全局事件处理函数)</div>
+
+<p> </p>
+
+<pre class="syntaxbox">var <var>enterHandler</var> = <var>targetElement</var>.onpointerenter;
+</pre>
+
+<h3 id="返回值">返回值</h3>
+
+<dl>
+ <dt><code>enterHandler</code></dt>
+</dl>
+
+<p>      <code>targetElement</code>的pointerenter事件处理函数。</p>
+
+<h2 id="例子">例子</h2>
+
+<p>这个例子展示了使用onpointerenter来设置元素pointerenter事件处理函数的两种方式<em>。</em></p>
+
+<pre class="brush: js">&lt;html&gt;
+&lt;script&gt;
+function enterHandler(ev) {
+ // 处理pointerenter 事件
+}
+function init() {
+ var el=document.getElementById("target1");
+ el.onpointerenter = enterHandler;
+}
+&lt;/script&gt;
+&lt;body onload="init();"&gt;
+&lt;div id="target1"&gt; 点我 ... &lt;/div&gt;
+&lt;div id="target2" onpointerenter="enterHandler(event)"&gt; 点我 ... &lt;/div&gt;
+&lt;/body&gt;
+&lt;/html&gt;
+</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">规范</th>
+ <th scope="col">状态</th>
+ <th scope="col">备注</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('Pointer Events 2','#widl-GlobalEventHandlers-onpointerenter', 'onpointerenter')}}</td>
+ <td>{{Spec2('Pointer Events 2')}}</td>
+ <td>Non-stable version</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('Pointer Events', '#widl-GlobalEventHandlers-onpointerenter', 'onpointerenter')}}</td>
+ <td>{{Spec2('Pointer Events')}}</td>
+ <td>Initial definition</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>兼容性表</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>特点</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>基本支持</td>
+ <td>CompatChrome("35")支持<sup>[1]</sup></td>
+ <td>GeckoDesktop(59)支持</td>
+ <td>支持需-ms前缀 <br>
+ 11支持</td>
+ <td>支持程度未知</td>
+ <td>不支持</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Chrome for Android</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>基本支持</td>
+ <td>支持程度未知</td>
+ <td>Chrome("35")支持<sup>[1]</sup></td>
+ <td>GeckoMobile("29")支持<sup>[2]</sup></td>
+ <td>10支持需-ms前缀 </td>
+ <td>支持程度未知</td>
+ <td>不支持</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p>[1] 这是在<a href="http://crbug.com/248918">bug 248918</a>中实现。</p>
+
+<p>[2] 依赖于<code>dom.w3c_pointer_events.enabled</code>属性, 默认值为 <code>false</code>。</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{ event("pointerenter") }}</li>
+</ul>