A simple way to use jQuery and Mootools on the same page, without conflict.
As a general rule, “global” objects are stored inside the jQuery namespace as well, so you shouldn’t get a clash between jQuery and any other library (like Prototype, MooTools, or YUI). That said, there is one caveat: By default, jQuery uses “$” as a shortcut for “jQuery”.
However, you can override that default by calling jQuery.noConflict() at any point after jQuery and the other library have both loaded. For example:
<html>
<head>
<script src="mootools.js"></script>
<script src="jquery.js"></script>
<script>
var $j = jQuery.noConflict();
// Use jQuery via $j(...)
$j(document).ready(function(){
$j("div").hide();
});
// Use mootools with $(...), etc.
$('someid').hide();
</script>
</head>
<body></body>
</html>