Changing Current Tab in Rails

Question

I have a list of tabs at the top of my application that I include in a general layout in application.html.erb. They look like this:

Answer 1

When you switch pages you could pass something like @current_tab back to the erb from the controller methods. Then use @current_tab to decide which li should be the current class. Alternatively, you could give each li and id or some unique attribute and simply change the class with your JavaScript framework of choice.