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Rails 3.2, JQuery, Javascript for Observe_field equivalent

Observe_field was available in Rails 2.X BUT removed in Rails 3.X. Need to code equivalent function in JQuery (used in Rails 3.2).

This is the (Rails 2.X) 'observe_field' in the project view:

{:action => 'add_material', :id => @[url removed, login to view]} do |form| -%>


{ :action => :find_cas_number, :project_id => @[url removed, login to view] },

:frequency => [url removed, login to view],

:update => :material_info,

:with => 'cas_number' %>

As user types cas_number into the input form, the program checks if the cas_number is already in the MySQL database, and if it is, then its (cas number) other attributes (also in the database, same table) will be displayed below it. Simplified Rails Program available for complete code.

Skills: Javascript, jQuery / Prototype, Ruby on Rails

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About the Employer:
( 7 reviews ) San Diego, United States

Project ID: #4098784

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Professional RoR developer since 2004, please consider my bid

$60 USD in 2 days
(9 Reviews)

5 freelancers are bidding on average $57 for this job


Hi, Well documented. Please provide the code base (zip) so that I can start work immediately. Will be very happy to work with you. Thanks RupeshX

$75 USD in 1 day
(7 Reviews)

hi, i get the idea that you want to implement auto fill option in your website by checking the database. i have already done a similar task recently, i can help with it. Thanks and Regards Shivakumar Ilango

$30 USD in 2 days
(3 Reviews)

I am able to do this.

$50 USD in 2 days
(0 Reviews)

I am familiar with this, have experience migrating apps from Rails 2 to Rails 3. I can help you fix this.

$70 USD in 3 days
(0 Reviews)