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how to test jquery autocomplete in rails that isn't responding

I'm trying to use rails3-jquery-autocomplete gem on OSX 10.7, Rails 3.1.0, Ruby 1.9.2-p290

I just set up a pretty blank app to find out why I cant get it to work. I don't get any error messages but nothing is appearing. I don't know what to fix.

Here's what I have:

 <head>
  <title>Usewith</title>
  <%= stylesheet_link_tag    "application" %>
  <%= javascript_include_tag "application" %>
  <%= javascript_include_tag "autocomplete-rails.js" %>
  <%= csrf_meta_tags %>
</head>

ItemsController

class ItemsController < ApplicationController
  # GET /items
  # GET /items.json

  autocomplete :category, :name

Routes.rb

Usewith::Application.routes.draw do
  resources :items do
    get :autocomplete_category_name, :on => :collection
  end

  resources :categories

items/_form.html.erb

  <div class="field">
    <%= f.label :category_id %><br />
    <%= f.collection_select :category_id, Category.all, :id, :name %>
    <%= f.autocomplete_field :category_name, autocomplete_category_name_items_path %>
  </div>

Item model contains category_id:integer, category_name:string

Any help on where to start looking?

EDIT I receive this error in Chrome console

Uncaught TypeError: Object [object Object] has no method > 'autocomplete' jQuery.railsAutocomplete.fn.extend.init autocomplete-rails.js:53 jQuery.railsAutocomplete autocomplete-rails.j开发者_如何学JAVAs:35 jQuery.fn.railsAutocomplete autocomplete-rails.js:28 liveHandlerjquery.js:3689 jQuery.event.handle jquery.js:2966 jQuery.event.add.elemData.handle.eventHandle jquery.js:2600 jQuery.event.triggerjquery.js:2894 handler jquery.js:3420

autocomplete-rails.js:53

$(e).autocomplete({


I've never used jquery autocomplete but anytime I'm debugging jquery/javascript I use Chrome and the developer tools. The shortcut to bring it up is alt-cmd-I from Chrome

From there you can look at the "Network" tab to see if any requests are being made, even xhr requests. Clicking on a request will show the headers, content, cookies, etc. I'd say that's a good place to start.

If you use Firefox then you can use firebug, basically the same thing.

Btw, as I was typing up this answer I saw SO get the following response :) Apparently for autosaving answer drafts.

{"message":"0","draftSaved":true,"disableEditor":false}


silly answer but I realised I need to add in

//= require jquery-ui

to the new application.js

and also

<%= stylesheet_link_tag "http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.8/themes/ui-lightness/jquery-ui.css" %>

to application.html.erb

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