<!DOCTYPE html>
<html>
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<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<script src="https://cdn.staticfile.org/jquery/1.8.3/jquery.min.js"></script>
<script>
function myFunction(){
    $("#h01").html("Hello jQuery")
}
$(document).ready(myFunction);
</script>
</head>
<body>
    
<h1 id="h01"></h1>

</body>
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<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<script src="https://cdn.staticfile.org/jquery/1.8.3/jquery.min.js"></script>
<script>
function myFunction(){
    $("#h01").attr("style","color:red").html("Hello jQuery")
}
$(document).ready(myFunction);
</script>
</head>
<body>
    
<h1 id="h01"></h1>
    
</body>
</html>

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<script src="https://cdn.staticfile.org/prototype/1.7.3/prototype.min.js"></script>
<script>
function myFunction(){
    $("h01").insert("Hello Prototype!");
}
Event.observe(window,"load",myFunction);
</script>
</head>
<body>
    
<h1 id="h01"></h1>
</body>
    
</html>

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title> 
<script src="https://cdn.staticfile.org/prototype/1.7.3/prototype.min.js"></script>
<script>
function myFunction(){
    $("h01").writeAttribute("style","color:red").insert("Hello Prototype!");
}
Event.observe(window,"load",myFunction);
</script>
</head>
<body>
<h1 id="h01"></h1>
</body>
</html>