Chapter 11. All About Helpers

“Thank you for helping Helpers Helping the Helpless. Your help was very... helpful!”

— Mrs. Duong in the movie The Weekenders

Throughout the book so far, we’ve already covered some of the helper methods provided by Rails to help you assemble the user interface of your web application. This chapter lists and explains all of the helper modules and their methods, followed by instructions on effectively creating your own helpers.


This chapter is essentially reference material. Although every effort has been made to make it readable straight through, you will notice that coverage of Action View’s helper modules is arranged alphabetically, starting with ActiveModelHelper and ending with UrlHelper. Within each ...

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