how to link to js file code example
Example 1: import js in html
<script type="text/javascript" src="yourfile.js"></script>
Example 2: how to register script html
<script src="../Scripts/modernizr-2.8.3.js"></script>
<script type="text/javascript" src="yourfile.js"></script>
<script src="../Scripts/modernizr-2.8.3.js"></script>