Modelos Backbone.js

Para empezar con backbone.js

Necesitamos descargar las librerias

http://backbonejs.org/
http://underscorejs.org/
http://jquery.com/download/

hay que agregar la librerias

<script src="lib/underscore.js"></script>
<script src="lib/jquery-1.11.0.js"></script>
<script src="lib/backbone.js"></script>



Para crear el model

var Song = Backbone.Model.extend({});

Instancear el modelo

var song = new Song({ name:"Fade to black", author:"Metallica"});


song.get("author")

Crear un evento

song.on("play2", function(){ console.log("reproduciendo ..")});

Ejecitar el evento

song.trigger("play2");

Evento change

song.on("change", function(){ console.log("He cambiado!!!!");});

child {cid: "c1", attributes: Object, _changing: false, _previousAttributes: Object, changed: Object…}

song.toJSON();

Object {name: "Fade to black", author: "Metallica"}

song.set({ author: "Metallica2"});

2He cambiado!!!! VM702:2

child {cid: "c1", attributes: Object, _changing: false, _previousAttributes: Object, changed: Object…}

song.set({ author: "Metallica"});

2He cambiado!!!! VM702:2

child {cid: "c1", attributes: Object, _changing: false, _previousAttributes: Object, changed: Object…}