Lazyweb：需要javascript根据元素的访问类删除li元素

I've got this page which has a lot of data I don't need, as I've already clicked on it, but it repeats often so I have to visually look for blue. I realized this could be more efficient, and asked a CSS friend if I could set the element to hidden based on whether or not the containing link has been visited. Apparently you need js for that.I've got this page which has a lot of data I do