content: '' }, urlRoot: '/note' }); var Notes = Backbone.Collection.extend({ model: Note }); var notes = new Notes([ { id: 1, title: 'note 1', content: 'This is note 1.' }, { id: 3, title: 'note 3', content: 'This is note 3.' }, { id: 5, title: 'note 5', content: 'This is note 5.' }, { id: 6, title: 'note 6', content: 'This is note 6.' }, { id: 9, title: 'note 9', content: 'This is note 9.' } ]); define collection and set model class