Ruby on Rails include a javascript from an action

Question

I have an action common/location

#encoding: utf-8 
class CommonController < ApplicationController
  def location
    @locations=Location.select(['`key`','name','parent'])
    render json: @locations
  end
end

I want to include this js through:

=javascript_include_tag "common/location"

but this dosen't work!

So I want to know how to include a js from an ation.

Is it json, not javascript? Even if you could include it like that, what good would it be? — Sergio Tulentsev
– Sergio Tulentsev, Commented Oct 25, 2013 at 7:46
javascript_include_tag is used to include a javascript file, not to render json code in your views. — calas
– calas, Commented Oct 25, 2013 at 7:47
=javascript_include_tag url_for(action:'location',controller:'common') — HXH
– HXH, Commented Oct 25, 2013 at 7:49
you are right,I get the js from an ajax get request,and assignment the data to an variable. — HXH
– HXH, Commented Oct 25, 2013 at 8:01

calas · Accepted Answer · 2013-10-25 07:50:30Z

1

If you want your locations in javascript you can do several things:

Use gon
write javascript code in your view
use ajax to fetch your locations (http://yourhost.com/common/location.js)
use html5 data attributes to set your locations in the views
probably other ways

Take a look at http://railscasts.com/episodes/324-passing-data-to-javascript

answered Oct 25, 2013 at 7:50

calas

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