JSFiddle - React, Tailwind, and code Playground

by fparent

HTML

<ul id="foo">
    <li>xxxxxxxxx</li>
</ul>

<a id="bar" href="#">xxx</a>

JavaScript

(function() {
      var btn = document.getElementById('bar');

      function clone(event) {
        var list = document.getElementById('foo');
        event.preventDefault();
        list.appendChild(list.getElementsByTagName('li')[0].cloneNode(true));
      }

      btn.addEventListener('click', clone, false);
    }());