Choo generalizing your elements. Choo linting with eslint. Choo cleaning up home page. Choo saving data in localStorage. Choo editing and deleting records. Choo form validation. Choo version 5 Adding Firebase database to our choo application Testing the use of the firebase db Choo is "another" front end JS framework but takes a "more" functional approach to building UI's than other frameworks out there.