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


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---
title: GlobalEventHandlers.onkeyup
slug: Web/API/GlobalEventHandlers/onkeyup
translation_of: Web/API/GlobalEventHandlers/onkeyup
---
<div>{{ ApiRef("HTML DOM") }}</div>

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

<p><strong>onkeyup</strong>属性用来获取或设置当前元素的<code>keyup</code>事件的事件处理函数.</p>

<h3 id="语法">语法</h3>

<pre class="eval">element.onkeyup = <em>event handling code</em>
</pre>

<h3 id="例子">例子</h3>

<pre class="eval"> &lt;input type="text" onKeyUp="keyWasPressed(event)"&gt;
 &lt;script&gt;function keyWasPressed(evt){ alert(evt.keyCode) }&lt;/script&gt;
</pre>

<h3 id="备注">备注</h3>

<p>在当前元素上释放键盘按键时会触发<code>keyup事件.</code></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.onkeyup", "pl": "pl/DOM/element.onkeyup", "en": "en/DOM/element.onkeyup" } ) }}</p>