JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<div id="box1" class="box">Box 1</div>
<div id="box2" class="box">Box 2</div>
<div id="box3" class="box">Box 3</div>
<div id="box4" class="box">Box 4</div>

CSS

div { height: 100px; border: solid 1px #ddd; display: none; }

JavaScript

$(function() {
  $('.box').each(function(i) {
    $(this).delay(2000*i).fadeIn(2000);
  });
});