jquery/jquery.debug.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>jQuery Debug Plugin Demo</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="http://jquery.com/src/jquery-latest.pack.js"></script>
<script type="text/javascript" src="jquery.debug.js"></script>
</head>
<body>
<h1>jQuery Debug Plugin Demo</h1>
<div id="test1">TEST1</div>
<div id="test2">TEST2</div>
<script type="text/javascript">
$("console.log").ready(function(){
$.debug(true);
$.log("plain debug message");
$('#test1').log();
$('#test2').log("with message");
});
</script>
</body>
</html>