can i add a modal popup with custom jquery code example

Example 1: jquery modal popup

<!-- Remember to include jQuery :) -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>

<!-- jQuery Modal -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-modal/0.9.1/jquery.modal.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jquery-modal/0.9.1/jquery.modal.min.css" />
 
Embed modal HTML in document
Create a link with rel="modal:open" and set the href attribute to the modal's DOM id.
<!-- Modal HTML embedded directly into document -->
<div id="ex1" class="modal">
  <p>Thanks for clicking. That felt good.</p>
  <a href="#" rel="modal:close">Close</a>
</div>

<!-- Link to open the modal -->
<p><a href="#ex1" rel="modal:open">Open Modal</a></p>

Example 2: how to make popup modal in jquery with example

<!-- Modal HTML embedded directly into document -->
<div id="ex1" class="modal">
  <p>Thanks for clicking. That felt good.</p>
  <a href="#" rel="modal:close">Close</a>
</div>

<!-- Link to open the modal -->
<p><a href="#ex1" rel="modal:open">Open Modal</a></p>