Suppose you have a controller HomeController. It should look like below.
home_controller.rb
class HomeController < ApplicationController
# GET /show_message
def show_message
format.js { render js: "alert('simple output');" }
endend
and in your routs.rb file add this line
get '/show_message', 'home#show_message', as: :show_message
and in your view add this line
<%= link_to "Print", show_message_path, remote: true %>
After this when you click on Print link, and AJAX request will be sent to
HomeController'sshow_message action and it will display a javascript alert.
For better understanding of AJAX requests in Rails, follow this tutorial -
http://www.tutorialspoint.com/ruby-on-rails/rails-and-ajax.htm :)
On Monday, October 28, 2013 7:52:06 PM UTC+5, Ruby-Forum.com User wrote:
>
> Kashif Umair Liaqat wrote in post #1125837:
> > You cannot call Ruby code directly from client side. You have to send an
> > AJAX request to some controller for this purpose.
>
> How would I do that? I have no knowledge of AJAX
>
> --
> Posted via http://www.ruby-forum.com/.
>
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