jquery 上下滚动广告
实现代码如下:(function($){ $.fn.extend({ rollList:function(option){ option=$.extend({ direction:"up", step:1, time:23 },option); var step_coe,scroll_coe,sco
实现代码如下:(function($){ $.fn.extend({ rollList:function(option){ option=$.extend({ direction:"up", step:1, time:23 },option); var step_coe,scroll_coe,sco