You can edit / change the code and click run button
<!doctype html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title>first-of-type demo</title> <style> span.change { color: blue; font-size: 120%; font-style: bold; } </style> <script src="../../../jquery-1.10.2.js"></script> <script>var clicky_site_ids = clicky_site_ids || []; clicky_site_ids.push(101319977);</script><script async src="//static.getclicky.com/js"></script></head> <body> <div> <span>Tom,</span> <span>Jerry,</span> <span>Tom,</span> <span>Cherry</span> <span>Tom,</span> <span>Tom,</span> </div> <div> <b>Dollar,</b> <span>Rupee,</span> <span>Euro,</span> <span>Rupee</span> <span>Rupee,</span> <span>Rupee,</span> </div> <script> $( "span:first-of-type" ).addClass( "change" ); </script> </body> </html>