backbone-example.js

/* .. code for router **/

loadView: function(index) {
  var view = this.instanciateView(index);
  this.views.push(view);

  // unbind all events of the previous view to avoid 'ghost' views
  if (this.currentView) this.previousView.remove();

  $('#app').html(view.render().$el);

  // store current view
  this.currentView = view;
}