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(){
	return ("Hello world!");
}
</script>
</head>
<body>

<script>
document.write(myFunction())
</script>

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