where to link a javascript file to html code example
Example 1: include script in html
<script type="text/javascript" src="/path/to/script.js"></script>
Example 2: how to link javascript to html
<script src="PathToYourFile.js"> </script>
<script type="text/javascript" src="/path/to/script.js"></script>
<script src="PathToYourFile.js"> </script>