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HTML onkeyup 事件属性

❮ HTML 事件属性

示例

在用户释放按键时执行 JavaScript

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

更多“自己试试”示例如下。


定义和用法

onkeyup 属性在用户释放键盘上的按键时触发。

提示:与 onkeyup 事件相关的事件顺序

  1. onkeydown
  2. onkeypress
  3. onkeyup

浏览器支持

事件属性
onkeyup

语法

<元素 onkeyup="脚本">

属性值

描述
脚本 在 onkeyup 时要运行的脚本

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 »

示例

在文本字段内输出实际释放的键

输入您的姓名:<input type="text" id="fname" onkeyup="myFunction()">

<script>
function myFunction() {
  let x = document.getElementById("fname").value;
  document.getElementById("demo").innerHTML = x;
}
</script>
自己试试 »

相关页面

HTML DOM 引用:onkeyup 事件


❮ HTML 事件属性
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