Rails 3 Unobtrusive Javascript not working with jQuery!

Published on Tuesday, 15 March 2011.

So you started switching to Rails 3 and found out that the :remote => true option is, strangely, not working with your jQuery UJS adapter?

Make sure you are using jQuery version >= 1.4.3

HTML 5 data- Attributes As of jQuery 1.4.3 HTML 5 data- attributes will be automatically pulled in to jQuery's data object.