jquery实现跳到底部，回到顶部效果的简单实例(类似锚)
实例如下：
<!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>jquery实现跳到底部，回到顶部效果的简单实例(类似锚)</title>
<script src="jquery-1.4.4.min.js" type="text/javascript"></script>
<script type="text/javascript">
jQuery(function(){
$('#top').click(function(){$('html,body').animate({scrollTop: '0px'}, 1000);return false;});
$('#foot').click(function(){$('html,body').animate({scrollTop: $('#footer').offset().top},1000);return false;});
})
</script>
</head>
<body>
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<a href="#" id="foot">跳到底部</a>
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<a href="#" id="top"> 返 回 顶 部 </a>
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<a name="footer" id="footer"></a>
</body>
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