Jquery - 选择立即li文本而不选择子项ul文本

I'm trying to take a structure of nested html unordered lists as a database for some information a need to organize and analyze. I'm trying to filter, count and present the information using jQuery. I'm striving for the lists not to have any class or id attribute, so that they are very clean. Only the root would have a class or id like this:I'm trying to take a structure of nested html u