天猫电器城左侧分类菜单是一款基于jquery实现的仿天猫电器城左侧自适应屏幕高度下拉分类导航菜单代码。经测试效果相当不错，源码之家推荐下载。-Lynx Electric City on the left is a menu-based classification jquery achieve imitation Lynx Electric City left side of the screen height adaptive Category drop-down menu navigatio