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支持多级子菜单的展开菜单代码

于 2022-03-05 发布文件大小:3.83 kB

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支持多级子菜单的展开菜单，由JavaScript代码实现的多级菜单，第一个是竖向排列，向右展开的菜单，下边那个是向下展开，二级再向右展开的多级联动菜单，在IE8下测试通过，其它浏览器环境下未做测试，应该也可以吧，本菜单主要是用来学习的。

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支持多级子菜单的展开菜单代码

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