old_contents: define(['backbone'], function(Backbone) {
      "use strict";
  
      var Views = {};
  
  
      return Views;
  });
  
new_contents: define(['backbone'], function(Backbone) {
      "use strict";
  
      var Views = {};
  
      Views.TimerView = Backbone.View.extend({
          initialize: function() {
              this.render();
          },
          render: function() {
              this.$el.html('00:00');
              return this;
          }
      });
  
      Views.ControlView = Backbone.View.extend({
          events: {
              'click button': 'onClick'
          },
          initialize: function() {
              this.render();
          },
          render: function() {
              return this;
          },
          onClick: function(event) {
              var target = event.target;
              var action = target.getAttribute('data-action');
  
              if (action == 'stop') {
                  this.trigger('timerInterrupted');
              } else {
                  var duration = target.getAttribute('data-duration');
                  this.trigger('timerStarted', {duration: duration});
              }
          }
      });
  
      return Views;
  });
  
subject: Create basic views