how to use external js file in html code example
Example 1: include script in html
<script type="text/javascript" src="/path/to/script.js"></script>
Example 2: how to link your js file to html
<script src="index.js"></script>
Example 3: linking a script .js
<script type="text/javascript" src="path-to-javascript-file.js"></script>
Example 4: include js in html
<html>
<head>
</head>
<body>
<script type="text/javascript" src=es4.js></script>
</body>
</html>
Example 5: how to connect a javascript file to html
<script src="name.js">
</script>
Example 6: include javascript in html
<script>
</script>