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Nested Model Form (revised)
Handling multiple models in a single form is easy with accepts_nested_attributes_for. Here you will also learn how to add and remove nested records through JavaScript.
(11 minutes)
Nested Model Form Part 2
Add and remove nested model fields dynamically through JavaScript using either Prototype or jQuery.
(12 minutes)
Token Fields
With the jQuery Tokeninput plugin it is easy to add an autocompleting list of entries for a many-to-many association.
(11 minutes)
Client Side Validations
Showing validation errors inline as the user is filling out the form can lead to a better use experience. Learn how to do this using the Client Side Validations gem.
(8 minutes)
Dynamic Select Menus
See how to dynamically change a select menu based on another select menu using Javascript. In this episode everything is kept client side which leads to a more responsive user interface.
(7 minutes)
Calendars
If dates play an important role in your application, consider adding a date picker or calendar view as shown in this episode.
(9 minutes)
Complex Forms Part 2
See how to use Javascript and RJS to add and remove form fields dynamically. This episode will build upon the previous episode allowing you to create any number of tasks in one form the same time a project is created.
(8 minutes)