BackboneJS - Router Execute

BackboneJS - Router Execute

<!DOCTYPE html>
<html>
   <head>
      <title>Router Example</title>
      <script src = "https://code.jquery.com/jquery-2.1.3.min.js"
         type = "text/javascript"></script>
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js"
         type = "text/javascript"></script>
      <script src = "https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"
         type = "text/javascript"></script>
   </head>

      <script type = "text/javascript">
         //'RouteMenu' is a name of the view class
         var Route1 = Backbone.View.extend ({

            //Creates the route1 link for the text to be change after triggerring the click event
            template: '<b>This is route 1</b>',

            //The 'initialize' function creates new constructor for the router instantiation
            initialize: function () {
               this.execute();
            },

            //This is called when a route matches its corresponding callback
            execute: function () {
               this.$el.html(this.template);
            }
         });
         var Route2 = Backbone.View.extend ({
            template: '<b>This is route 2</b>',
            initialize: function () {
               this.execute();
            },
            execute: function () {
               this.$el.html(this.template);
            }
         });

         //'AppRouter' is a name of the router class
         var AppRouter = Backbone.Router.extend ({
            routes: {
               '': 'homeRoute',
               'route/1': 'homeRoute',
               'route/2': 'aboutRoute',
            },

            //When you click on route1, it will navigate to the custom view class 'Route1'
            homeRoute: function () {
               var route1 = new Route1();
               $("#content").html(route1.el);
            },

            //When you click on route2, it will navigate to the custom view class 'Route2'
            aboutRoute: function () {
               var route2 = new Route2();
               $("#content").html(route2.el);
            }
         });
         var appRouter = new AppRouter();   //It is an instantiation of the router

         //It start listening to the routes and manages the history for bookmarkable URL's
         Backbone.history.start();
      </script>

   <body>
      <div id = "navigation">
         <a href = "#/route/1">route1</a>
         <a href = "#/route/2">route2</a>
      </div>

      <div id = "content></div>
   </body>

</html>