jQuery下拉菜单特效效果图 jQuery下拉菜单特效代码解读 $(document).ready(function(){ $("ul.subnav").parent().append(""); $("ul.topnav li span").click(function() { //触发了这些样式表的元素,开始触发点击效果 //Following events are applied to the subnav itself (moving subnav up and down) $(this).parent().find("ul.subna More