how to include js cdn code example

Example 1: jquery script tag

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

// Put this script in the head of your index.html to load jQuery
// The Google Hosted Libraries is a stable, reliable, high-speed, 
// globally available content distribution network for the most popular, 
// open-source JavaScript libraries.

// Google works directly with the key stakeholders for each library effort 
// and accepts the latest versions as they are released.

Example 2: add cdn html

<!--In-between you head tags put:-->
 <script src="SOURCE URL HERE"></script>
<!--For easy copy/paste:-->
 <script src=""></script>