how to link the js file in html code example
Example 1: include script in html
<script type="text/javascript" src="/path/to/script.js"></script>
Example 2: link javascript html
<script type="text/javascript" src="monscript.js"></script>
Example 3: how to link javascript to html
<script src = "index.js"></script>
Example 4: how to connect a javascript file to html
<script src="name.js">
//put in your javascript here
</script>