using an jquery in rails

Published: by Creative Commons Licence

reference

https://www.engineyard.com/blog/using-jquery-with-rails-how-to

preparing

  1. create new rails app
    $ rails new APP_NAME
    
  2. add gem
    gem 'jquery-rails'
    
  3. bundle
    $ bundle install
    
  4. include jqury to application.js
    //= require jquery3
    //= require jquery_ujs
    //= require_tree .
    

test

  1. create tutorial resource
    $ rails g resource tutorial title:string url:string
    $ rake db:migrate
    
  2. display table
    # in app/controllers/tutorials_controller.rb
    def index
     @tutorials = Tutorial.all
    end
    
  3. display table
<!-- in app/views/tutorial/index.html.erb (create one) -->
<h1>Tutorials</h1>
<ul>
  <% @tutorials.each do |tutorial| %>
    <li><%= tutorial.title %></li>
  <% end %>
</ul>