摘要:
向上滚动的代码:div id=demo style=overflow:hidden;height:100;width:90;background:#214984;color:#ffffffdiv id=demo1img src="http://www.baidu.com/img/logo.gif"img src="http://www.baidu.com/img/logo.gif"img src="http://www.baidu.com/img/logo.gif"img src="http://www.baidu.com/img/logo.gif"img src=" 阅读全文