including js files in html code example
Example 1: import js in html
<script type="text/javascript" src="yourfile.js"></script>
Example 2: how to connect a javascript file to html
<script src="name.js">
//put in your javascript here
</script>
<script type="text/javascript" src="yourfile.js"></script>
<script src="name.js">
//put in your javascript here
</script>