JSFiddle - React, Tailwind, and code Playground

by bhatnagar018

HTML

<div id="container">

</div>

<button onclick="start()">
  Start/Stop
</button>

JavaScript

var i = 0,
  id = null;

function start() {
  if (id == null) {
    id = setInterval(prepareDom, 5000)

    function prepareDom() {
      jQuery("<ul><li>" + (i++) + "</li><li>" + (i++) + "</li></ul>").appendTo("#container");
    }
  } else {
    window.clearInterval(id);
    id = null;
  }
}