--- a/demo.html	Sat Jul 01 07:34:15 2017 +0800
+++ b/demo.html	Sat Jul 01 07:50:44 2017 +0800
@@ -39,7 +39,7 @@
       ]);
 
       var CollectionView = Backbone.View.extend({
-        initialize: function(options) {
+        initialize: function() {
           this.collection.on('add change remove reset', this.render, this);
           this.render();
         },
@@ -63,6 +63,8 @@
       var shardRead = new Backbone.Shard({collection: col, filter: function(book) { return book.get('read'); } });
       var shardUnread = new Backbone.Shard({collection: col, filter: function(book) { return !book.get('read'); } });
 
+      /* jshint nonew: false */
+
       new CollectionView({
         el: $('#collection'),
         collection: col