<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title> 1</title>
<!-- prototype -->
<script src="prototype-1.6.0.3.js" type="text/javascript"></script>
<!-- jQuery -->
<script src="jquery-1.3.1.js" type="text/javascript"></script>
</head>
<body>
<p id="pp">test---prototype</p>
<p >test---jQuery</p>
<script type="text/javascript">
jQuery.noConflict(); // $ prototype.js
jQuery(function() { // jQuery
jQuery("p").click(function() {
alert(jQuery(this).text());
});
});
$("pp").style.display = 'none'; // prototype
</script>
</body>
</html>