html javascript external file code example
Example 1: include script in html
<script type="text/javascript" src="/path/to/script.js"></script>
Example 2: include js in html
<html>
<head>
</head>
<body>
<script type="text/javascript" src=es4.js></script>
</body>
</html>
Example 3: how to add javascript in html
<script src="script.js"></script>
Example 4: link javascript to html
<script src="index.js"> </script>