菜鸟教程在线编辑器

AI 编程工具

 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
<script>
function myFunction(){
	document.getElementById("demo").innerHTML="Hello World";
}
</script>
</head>
<body>

<p ondblclick="myFunction()">双击这段触发一个函数</p>

<p id="demo"></p>

</body>
</html>
              