Step 19 -> 20

19.diff

 var Status = Backbone.Model.extend({
     url: '/status'
 });

 var Statuses = Backbone.Collection.extend({
     model: Status
 });

 var NewStatusView = Backbone.View.extend({
-    initialize: function(options) {
+    initialize: function() {
-        this.statuses = options.statuses;
-
-        this.statuses.on('add', this.clearInput, this);
+        this.collection.on('add', this.clearInput, this);

         var add = $.proxy(this.addStatus, this);
         this.$('form').submit(add);
     },

     addStatus: function(e) {
         e.preventDefault();

-        this.statuses.add({ text: this.$('textarea').val() });
+        this.collection.add({ text: this.$('textarea').val() });
     },

     clearInput: function() {
         this.$('textarea').val('');
     }
 });

 var StatusesView = Backbone.View.extend({
-    initialize: function(options) {
+    initialize: function() {
-        this.statuses = options.statuses;
-
-        this.statuses.on('add', this.appendStatus, this);
+        this.collection.on('add', this.appendStatus, this);
     },

     appendStatus: function(status) {
         this.$('ul').append('<li>' + status.get('text') + '</li>');
     }
 });

 $(document).ready(function() {
     var statuses = new Statuses();
-    new NewStatusView({ el: $('#new-status'), statuses: statuses });
+    new NewStatusView({ el: $('#new-status'), collection: statuses });
-    new StatusesView({ el: $('#statuses'), statuses: statuses });
+    new StatusesView({ el: $('#statuses'), collection: statuses });
 });