学习JQUERY,写的简单下拉菜单!
HTML代码: [html] view plaincopy !DOCTYPEhtml html head script type = text/javascript src =http://ajax.zuola.net/ajax/libs /jquery/1.7.2/jquery.min.js / script title sidemenu / title / head body div id = menu div class = m-one span class = m-tit 主...