JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
    <li><input type="text"/></li>
</ul>

<a href="#">new</a>

JavaScript

$('a').click(function(){
  var children = $("ul li:first").clone();
  $("ul li:last").after(children);
});

$('input').on("keyup", function(){
    $(this).css({'background':'yellow'});    
});