Fades the element.
$("div").click(function () {
$(this).hide("fade", {}, 1000);
});
<!DOCTYPE html>
<html>
<head>
<link type="text/css" href="http://jqueryui.com/latest/themes/base/ui.all.css" rel="stylesheet" />
<script type="text/javascript" src="http://jqueryui.com/latest/jquery-1.3.2.js"></script>
<script src="http://jqueryui.com/latest/ui/effects.core.js"></script>
<script src="http://jqueryui.com/latest/ui/effects.fade.js"></script>
<style type="text/css">
div { margin: 0px; width: 100px; height: 80px; background: green; border: 1px solid black; position: relative; }
</style>
<script type="text/javascript">
$(document).ready(function(){
$("div").click(function () {
$(this).hide("fade", {}, 1000);
});
});
</script>
</head>
<body style="font-size:62.5%;">
<div></div>
</body>
</html>