JSFiddle - React, Tailwind, and code Playground

by Michel Plungjan

HTML

<div id="first">First</div>
<div id="second">Second</div>

JavaScript

$(function() {
  var $first = $("#first");
  var $second  = $("#second");
  $("#second").hide();
    
  var tId = setInterval(function() {
      $first.fadeToggle("slow",function() {
        $second.fadeToggle("slow");
      })    
  },4000);          
});