Mega Code Archive
Adds class to all divs that have a paragraph inside of them
<![CDATA[
< html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div:has(p)").css("color","red");
});
</script>
</head>
<body>
<body>
<div><p>Hello in a paragraph</p></div>
</body>
</html>
]]>