本文实例讲述了js实现带圆角的两级导航菜单效果代码。分享给大家供大家参考。具体如下：
这是一款使用JS做的圆角菜单，支持两级菜单显示，本人比较喜欢的风格，修改使用方便，新手也能上手快。使用有几张圆角图片来修饰了菜单，喜欢的朋友可以下载代码留作收藏使用。真心不错的蓝色导航条代码。
运行效果截图如下：
在线演示地址如下：
http://demo.VeVB.COm/js/2015/js-cicle-nav-menu-style-codes/
具体代码如下：
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