$(document).ready(function(){ 
$(".run").click(function(){
$("#box").animate({opacity: "0.1", left: "+=400"}, 1200) 
.animate({opacity: "0.4", top: "+=160", height: "20", width: "20"}, "slow") 
.animate({opacity: "1", left: "0", height: "100", width: "100"}, "slow") 
.animate({top: "0"}, "fast") 
.slideUp() 
.slideDown("slow") 
return false;
}); 
});
 
<!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=gb2312" /> 
<title>jquery animate实现滑块滑动效果-www.jb200.com</title> 
<script type="text/
javascript" src="/jquery/jquery-1.7.2.js"></script> 
<script type="text/javascript"> 
$(document).ready(function(){ 
    $(".run").click(function(){ 
     
        $("#box").animate({opacity: "0.1", left: "+=400"}, 1200) 
        .animate({opacity: "0.4", top: "+=160", height: "20", width: "20"}, "slow") 
        .animate({opacity: "1", left: "0", height: "100", width: "100"}, "slow") 
        .animate({top: "0"}, "fast") 
        .slideUp() 
        .slideDown("slow") 
        return false; 
     
    }); 
}); 
</script> 
<style type="text/css"> 
body { 
    margin: 20px auto; 
    padding: 0; 
    width: 580px; 
    font: 80%/120% Arial, Helvetica, sans-serif; 
} 
a { 
    font-weight: bold; 
    color: #000000; 
} 
#box { 
    background: #6699FF; 
    height: 100px; 
    width: 100px; 
    position: relative; 
} 
</style> 
</head> 
<body> 
<p><a href="#" class="run">Run</a></p> 
<div id="box"> 
</div> 
</body> 
</html>