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


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---
title: GlobalEventHandlers.onselect
slug: Web/API/GlobalEventHandlers/onselect
translation_of: Web/API/GlobalEventHandlers/onselect
---
<p>{{ ApiRef() }}</p>

<h3 id="Summary" name="Summary">概述</h3>

<p><strong>onselect</strong>用来获取或设置当前窗口的select事件的事件处理函数</p>

<h3 id="Syntax" name="Syntax">语法</h3>

<pre class="eval">window.onselect = <em>funcRef</em>;
</pre>

<ul>
 <li><code>funcRef是个函数引用</code>.</li>
</ul>

<h3 id="Example" name="Example">例子</h3>

<pre>&lt;html&gt;
&lt;head&gt;

&lt;title&gt;onselect test&lt;/title&gt;

&lt;style type="text/css"&gt;
.text1 { border: 2px solid red; }
&lt;/style&gt;

&lt;script type="text/javascript"&gt;

window.onselect = selectText;

function selectText()
{
 alert("检测到select事件!");
}
&lt;/script&gt;
&lt;/head&gt;

&lt;body&gt;
&lt;textarea class="text1" cols="30" rows="3"&gt;
用鼠标高亮选择一些文本,来触发select事件
&lt;/textarea&gt;
&lt;/body&gt;
&lt;/html&gt;
</pre>

<h3 id="Notes" name="Notes">备注</h3>

<p>只有在文本框和文本域内选择文本才会触发select事件.</p>

<h3 id="Specification" name="Specification">规范</h3>

<p>不属于任何公开规范.</p>

<p>{{ languages( {"en": "en/DOM/window.onselect" } ) }}</p>