var Person = Backbone.Model.extend({
/*defaults:{}*/
});
var Persons = Backbone.Collection.extend({
/*model: Person*/
});
var person1 = new Person({name: "Jim Smith"});
var personsCollection = new Persons();
/*don't add a {} in the Persons()*/
personsCollection.add([person1]);
console.log(personsCollection.models[0].get("name"));