import js v html
<script type="text/javascript" src="yourfile.js"></script>
jak propojit javascript s html
<script src = "index.js"></script>
javascript odkaz v html
<script type="text/javascript" src="./der/pfad/zu/der/datei.js"></script>
volání skriptu js v html
<script src="file1.js" type="text/javascript"></script>
<script src="file2.js" type="text/javascript"></script>