You can edit / change the code and click run button <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>contains demo</title> <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> <div>Bill Gates</div> <div> Melinda Gates</div> <div>Jennifer Katharine Gates</div> <div> Rory John Gates</div> <div>Steve Jobs</div> <div>Mark Zuckerberg</div> <script> $( "div:contains('Gates')" ).css( "text-decoration", "underline" ); </script>