Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly. Learn how to use Chosen in a few different ways in this episode; Rails form builder and Simple Form.

Using Interact.js to create draggable and droppable items in our view, we can use AJAX callbacks on events to interact with our Ruby on Rails application. Also, learn how to use Ruby Assets to manage our Javascript Libraries.

Sometimes you may find yourself with an application that has javascript that needs to execute only on a specific page. This episode lays the foundation to easily manage page specific javascript.

Using the unobtrusive gem, Cocoon, learn how to handle multiple models in a single form with accepts_nested_attributes_for.

Learn how to handle multiple models in a single form with accepts_nested_attributes_for and learn how to add and remove nested records through JavaScript.