JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
  <style>
div { position: absolute; width: 60px; height: 60px; float: left; }
.birinci{ background-color: #3f3; left: 0;}
.ikinci{ background-color: #33f; left: 80px;}
</style>
  <script src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
  
<p><button>Çalıştır</button></p>
<div class="birinci"></div>
<div class="ikinci"></div>
        
<script>
    $("button").click(function() {
      $("div.birinci").slideUp(400).delay(1000).fadeIn(600);
      $("div.ikinci").slideUp(400).fadeIn(600);
    });
</script>

</body>
</html>