jQuery: Tallest paragraph

Using jQuery, how can I find the height of the tallest matching paragraph?

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Demo</title>

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
<script type="text/javascript">

$(document).ready(function() {
 alert('The tallest paragraph inside div.xyz is ???? pixels high.');
});

</script>

<style type="text/css">
p {
width: 100px;
border: 1px solid red;
padding: 10px;
margin: 10px auto;
}
</style>

</head>
<body>

<div class="xyz">
 <p>a</p>
 <p>abc</p>
 <p>gfhreer kjewhq kjeqwh kjeqwh kqewh ejkwq heqwkj eqwh keqwh jkheqwjk heqwkjeqwhkew jkeqwh kjeqw kjeqwr qwer</p>
 <p>dfadsfadsfds asd ads jdsakl jdskl jasdlkjasdfkas adfsc</p>
</div>

</body>
</html>

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LVL 16
hankknightAsked:
Who is Participating?
 
Ben McNellyCommented:
Well you are going to have to get the cords for all p elements and then compare them.

I bet you could use the built in position ( http://docs.jquery.com/UI/Position ) method to figure this out..

I will see if I can whip something up when I get time this weekend, but maybe another helpful expert will come along (cough* COBOLdinosaur) and help out in the mean time today.
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