本文实例讲述了JS实现黑色大气的二级导航菜单效果。分享给大家供大家参考。具体如下：
这是一款自己做的不错的二级导航菜单，黑色风格，是根据仿淘宝支付宝菜单而做的，自我感觉还算行吧。
运行效果截图如下：
在线演示地址如下：
http://demo.VeVB.COm/js/2015/js-black-style-2l-nav-menu-codes/
具体代码如下：
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height:31px; width:6px;}.sp-m { position:relative; padding:0 10px; float:left; background:url(images/bg-nav.gif) repeat-x 0 -495px; height:31px; line-height:31px; width:936px; color:#000; text-align: left;}.other { float: left; height: 23px; margin-right: 22px; display: inline;}.so { float: right; padding-top: 6px; height: 26px;}.so .inputstyleso { width: 89px; height: 16px; line-height: 16px; border: 1px solid rgb(190, 190, 190); float: left; padding-top: 2px; padding-left: 5px;}.so img { float: left; margin: 2px 4px 0pt 0pt; display: inline;}</style></head><body><script language="javascript">var waitInterval2;var MDelayTime2=300;/* 设置延时0.3秒 */function qiehuan(num){clearTimeout(waitInterval2);waitInterval2=window.setTimeout("qiehuan2("+num+");",MDelayTime2);}function qiehuan2(num){ clearTimeout(waitInterval2); for(var id = 0;id<=9;id++) { if(id==num) { document.getElementById("qh_con"+id).style.display="block"; document.getElementById("mynav"+id).className="nav-master current"; } else 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