JSFiddle - React, Tailwind, and code Playground

by Roman Fedytskyi

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  <script>
  function change(element) {
    if (element.classList.contains('second')) {
      element.classList.remove('second');    
    } else {
      element.classList.add('second');    
    }
  }
  </script>
  <div class="first bla" onclick="change(this)"></div>
  <div class="first" onclick="change(this)"></div>
  <div class="first" onclick="change(this)"></div>
</body>
</html>

CSS

.first {
  width: 200px;
  height: 30px;
  border: 2px solid red;
  margin-bottom: 20px;
}

.second {
  border: 2px solid yellow;
}