方法一：
<html>
<head>
<script src="prototype.js"></script>
<script src="jquery.js"></script>
<script>
jQuery.noConflict();
// Use jQuery via jQuery(...)
jQuery(document).ready(function(){
jQuery("div").hide();
});
// Use Prototype with $(...), etc.
$(‘someid‘).style.display = ‘none‘;
</script>
</head>
<body></body>
</html>方法二：
<html>
<head>
<script src="prototype.js"></script>
<script src="jquery.js"></script>
<script>
var $j = jQuery.noConflict();
// Use jQuery via $j(...)
$j(document).ready(function(){
$j("div").hide();
});
// Use Prototype with $(...), etc.
$(‘someid‘).style.display = ‘none‘;
</script>
</head>
<body></body>
</html> 方法三：
<html>
<head>
<script src="prototype.js"></script>
<script src="jquery.js"></script>
<script>
jQuery.noConflict();
// Put all your code in your document ready area
jQuery(document).ready(function($){
// Do jQuery stuff using $
$("div").hide();
});
// Use Prototype with $(...), etc.
$(‘someid‘).style.display = ‘none‘;
</script>
</head>
<body></body>
</html> 原文：http://www.cnblogs.com/xiaochao12345/p/4191541.html