下拉菜单,不是导航那种,该如何解决
下拉菜单,不是导航那种
有种下拉菜单,就是左边有个小箭头超下的,点击以下,出现下拉菜单,小箭头变成超上的,再点击以下,下拉的菜单被收起,小箭头又变成超下的.
这种下拉菜单怎么做的?好像不用刷新页面.谢谢!
------解决方案--------------------
给那个小图片写个onclick函数就可以了,点了以后换一张图片就行了。。。src你懂的。
------解决方案--------------------
网上找找还是很多的
http://hi.baidu.com/yongganaqi/blog/item/0666c2f36e012bc00b46e024.html
搜索
js 多级菜单 ,啥的都可以看到很多
------解决方案--------------------
难道是树形的,不是很理解
http://www.zzsky.cn/build/content/1578.htm

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