Instructions say that I need to put all what the app contains in one page and navigate between groups (show and hide groups)
When navigating between pages I could easily pass info in the url in parameters… for ex If I wana to choose one item from a group and go to the next page, I can use the url to pass the name or number of the item I chose. How can I do that with groups?
When the user is staying on the same page and just changing groups, the easiest way to do this is by either setting a customer state or by loading a thing to one of the groups. Generally, a custom state is what you want if it’s in place of a URL parameter, so I’d start there.