How is the active menu item selected in a dynamic application?

Question

css

Hello. There is a standard menu. In static pages, it is clear how to implement this. And in the app? let's say on ror?

Answer 1

Try the 'active_link_to' gem
And then use the active_link_to helper like so:
Clicking on this link will set the active class to it.

Answer 2

Yesterday asked the same question
How to set a class for certain pages?

Answer 3

Sets the active link class.
Through js, iterate over the menu links and compare the current address with the href of each link in the menu. if it matches, substitute the class