主要知识点：animate的运用，hover的两个处理
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>豪情</title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<style>
*{margin:0;padding:0;font-size:12px;}
body{background:#000;}
img{cursor:pointer;}
</style>
<script>
$(function(){
$('img').each(function(){
$(this).css('opacity', '0.6');
}).hover(function(){
$(this).animate({opacity:1});
}, function(){
$(this).animate({opacity:0.6});
});
});
</script>
</head>
<body>
<img src="http://www.google.com/intl/en_com/images/srpr/logo1w.png" alt="" /><br />
<img src="http://www.google.com/chrome/intl/zh-CN/images/dlpage_alt.jpg" alt="" /><br />
<img src="http://hiphotos.baidu.com/baidu/pic/item/d27d51afd32062c0fbed508d.jpg" alt="" />
</body>
</html>
运行代码
