The tabbar below will give you simple structure of an HTML, CSS, and JS document.
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
<script src="script.js"></script>
</head>
<body>
<h1>Page Content Here!</h1>
</body>
</html>
/*Code Here*/
function myFunction(){
//Code here
};