Learn jQuery with Rails

In order to learn jQuery fast, and use it withing your Ruby on Rails project, we would advise following steps:

Learn basics of JavaScript

You can freely skip some steps here and there which you find that you already know.

https://www.codecademy.com/learn/javascript

Learn basics of jQuery

https://www.codecademy.com/learn/jquery

When you finish learning basics of JavaScript so you can move to their usage inside of Rails app.

Basics of unobstrusive javascript in Rails

Following tutorial will show you how to trigger javascript and usage on some basic actions in Rails.

http://railscasts.com/episodes/205-unobtrusive-javascript

jQuery with Rails

Following video will teach you how to get around everything that you would need in order to master jQuery in Rails.

https://www.youtube.com/watch?v=FBxVN7U1Qsk