<a href="#">TIKLA</a>
<div></div>

a{display: inline-block; background: #00FF99; padding:20px; border-bottom:4px solid #00CC00; color:#00CC99; text-decoration:none; margin-bottom:20px;}
div{background:#00FF99; width:150px; height:150px; padding:10px;}

$("a").click(function(){
  alert("Divin iç yüksekliğiğ: " + $("div").innerHeight());
});