How to use JQuery.
- Open application properties and in the head section, enter the following script.
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
or
You can download the jquery file and include it as an embedded file. Now, reference it in the head section as explained here Using additional JS or CSS file - #2 by anton.platzoeder
You can do the same steps with any of your preferred libraries and use them in javascript actions.