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---
title: GlobalEventHandlers.onfocus
slug: Web/API/GlobalEventHandlers/onfocus
translation_of: Web/API/GlobalEventHandlers/onfocus
---
<div>{{ ApiRef("HTML DOM") }}</div>
<h3 id="概述">概述</h3>
<p><strong>onfocus</strong> 属性用来获取或设置当前元素的<code>focus</code>事件的事件处理函数.</p>
<h3 id="语法">语法</h3>
<pre class="eval">element.onfocus = <em>event handling code</em>
</pre>
<h3 id="备注">备注</h3>
<p>当前元素获得键盘焦点时会触发<code>focus</code>事件.</p>
<p>在IE中,几乎所有类型的元素都会触发<code>focus</code>事件, 但在Gecko中,只有少数几种类型的元素会触发<code>focus</code>事件.</p>
<h3 id="规范">规范</h3>
<p>不属于任何公开的规范.</p>
<p>{{ languages( { "fr": "fr/DOM/element.onfocus","en": "en/DOM/element.onfocus" } ) }}</p>
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