<!DOCTYPE html>
<html>
<head>
<style>p { margin:10px; padding:10px; }</style>
<script type="text/javascript" src="/js/jquery.js"></script>
</head>
<body>
<p><span>Hello</span>, how are you?</p>
<script>$("p").find("span").end().css("border", "2px red solid");</script>
</body>
</html>