code: function (name, args) {
          if (name && this.callbacks[name]) {
              this.callbacks[name].apply(this.control, args);
          }
      }
docs: Method: callback
  Trigger the control's named callback with the given arguments
  
  Parameters:
  name - {String} The key for the callback that is one of the properties
  of the handler's callbacks object.
  args - {Array(*)} An array of arguments (any type) with which to call
  the callback (defined by the control).