We would like to know how to use add(expr): adds more elements.
<!--from ww w .j a v a2s . c o m-->
<html>
<head>
<script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").add("p").css("background", "yellow");
});
</script>
</head>
<body>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
<div>asdf</div>
</body>
</html>
The code above is rendered as follows: