JSFiddle - React, Tailwind, and code Playground

HTML

<div class="modal-content">
    <div class="modal-header">
        // Header Content Here
    </div>
    <div class="modal-footer">
        // Footer Content Here
    </div>
    <div class="modal-footer-after">
        // Footer Content Here
    </div>
</div>

JavaScript

var formhtml = $(".modal-content").clone()

               //Find and remove your footer
               .find('.modal-footer').remove();

               //then return to last element set and get the html.
              .end().html();

$('body').append("<br>" + formhtml);