remote form example

kalendars_controller.rb

class KalendarController < ApplicationController

  def next
    @joke = Joke.find_by(id: rand(1..Joke.count))
  end
end

next.js.erb

$("#joke_section").html("<%= @joke.content %>")

routes.rb

Kal::Application.routes.draw do
  #get "kalendar/show"
  root 'kalendar#show'
  post "jokes/next", to: "kalendar#next", as: "random_joke"
end

show.html.erb

<div>
  <blockquote class="pull-left">
    <p id="joke_section">
      <%= @joke.content %>
    </p>
    <small><%= @joke.author %> </small>
    <%= button_to "Next Joke", random_joke_path, remote: true %>
  </blockquote>
</div>