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HTML onclick 事件属性

❮ HTML 事件属性

示例

单击按钮时执行 JavaScript

<button onclick="myFunction()">单击我</button>
自己试试 »

下面有更多“自己试试”的例子。


定义和用法

onclick 属性在鼠标单击元素时触发。


浏览器支持

事件属性
onclick

语法

<element onclick="script">

属性值

描述
script 在 onclick 上要运行的脚本

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

单击 <p> 元素将它的文本颜色更改为红色

<p id="demo" onclick="myFunction()">单击我更改我的文本颜色。</p>

<script>
function myFunction() {
  document.getElementById("demo").style.color = "red";
}
</script>
自己试试 »

示例

单击按钮将一些文本从一个输入字段复制到另一个输入字段

<button onclick="myFunction()">复制文本</button>

<script>
function myFunction() {
  document.getElementById("field2").value = document.getElementById("field1").value;
}
</script>
自己试试 »

相关页面

HTML DOM 参考:onclick 事件


❮ HTML 事件属性
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