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HTML onkeydown 事件属性

❮ HTML 事件属性

示例

当用户按下键时执行 JavaScript

<input type="text" onkeydown="myFunction()">
自己试试 »

下面有更多“自己试试”示例。


定义和用法

当用户按下键(键盘上的)时,onkeydown 属性会触发。

提示:与 onkeydown 事件相关的事件顺序

  1. onkeydown
  2. onkeypress
  3. onkeyup

浏览器支持

事件属性
onkeydown

语法

<元素 onkeydown="脚本">

属性值

描述
脚本 要在 onkeydown 上运行的脚本

技术细节

支持的 HTML 标签 所有 HTML 元素,除了:<base>、<bdo>、<br>、<head>、<html>、<iframe>、<meta>、<param>、<script>、<style> 和 <title>

更多示例

示例

将“onkeydown”与“onkeyup”属性一起使用

<input type="text" onkeydown="keydownFunction()" onkeyup="keyupFunction()">
自己试试 »

相关页面

HTML DOM 参考:onkeydown 事件


❮ HTML 事件属性
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