平變化函數調用Ajax在firefox

Question

不工作我已經創建其中select_tag包含onchange函數形式：

形式（advertisments/_form.html.erb）：

<div class="controls advertise-medium-select"> 
    <%= select_tag 'advertisment[medium_id]', options_for_select(@mediums.collect { |mid| [mid.name, mid.id] }), :prompt => 'Select Media', onchange: 'get_media_categories()' %> 
</div> 

在我的advertisments.js文件：在這裏，如果我更改select_tag選項，但不打算使用fetch_media_categories方法，則控制檯日誌始終會打印medium。

function get_media_categories(){ 
    var medium = $('#advertisment_medium_id option:selected').val(); 
    console.log(medium); 
    $.ajax({ 
     url: '/advertisments/fetch_media_categories', 
     type: 'GET', 
     data: {medium_id: medium} 
    }) 
} 

我路線文件：

resources :advertisments do 
    collection do 
     get :fetch_media_categories, :fetch_media_pages 
    end 
    end 

和的application.js文件：

//= require jquery 
//= require jquery.easing.1.3 
//= require jquery_ujs 
//= require twitter/bootstrap 
//= require jquery.fancybox.pack 
//= require jquery.fancybox-media 
//= require prettify 
//= require jquery.quicksand 
//= require setting 
//= require jquery.flexslider 
//= require animate 
//= require custom 
//= require pricing_custom 
//= require advertisments 
//= require_tree . 

目前，平變化功能在Chrome的工作，但不是在Firefox（版本39.0）。有人有什麼主意嗎？

Answer 1

在advertisment.js

$(function() { 

    $('#advertisment_medium_id').on('change', function() { 
     var medium = $('#advertisment_medium_id option:selected').val(); 
     console.log(medium); 
     $.ajax({ 
      url: '/advertisments/fetch_media_categories', 
      type: 'GET', 
      data: {medium_id: medium} 
     }); 
    }); 

});