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Chapter 12. Ajax on Rails > Changes in Rails 3
12.0.1. Changes in Rails 3
Since the First Edition of The Rails Way, the landscape has changed. jQuery (located at http://jquery.com) is the dominant JavaScript framework, due in part to its clean, unobtrusive API and its use of CSS selectors to obtain elements in the page. Prototype and Scriptaculous have their adherents but for day-to-day Ajax and Rails work, jQuery is the workhorse.
Josh says ...
Experience has shown us that if you want JavaScript code in your application, learn JavaScript and write it!
