JavaScript Tutorial

first-of-type

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>first-of-type demo</title>
  <style>
  span.fot {
    color: red;
    font-size: 120%;
    font-style: italic;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
    <div>
      <span>Corey,</span>
      <span>Yehuda,</span>
      <span>Adam,</span>
      <span>Todd</span>
    </div>
    <div>
      <b>Nobody,</b>
      <span>Jörn,</span>
      <span>Scott,</span>
      <span>Timo</span>
    </div>
    <script>
        $( "span:first-of-type" ).addClass( "fot" );
    </script>
</body>
</html>