CODE EXAMPLE FOR JAVASCRIPT

Backbone Collection

var Song = Backbone.Model.extend();

var Songs = Backbone.Collection.extend({
model:Song});
var songs = new Songs([new Song({title: "Song 1"}),
new Song({title: "Song 2"}),
new Song({title: "Song 3"})

]);

songs.add(new Song({title:"Song 4"}));

var firstSong = songs.at(0);

var songWithIdC1 = songs.get("c1");
songs.remove(firstSong);

console.log(songs);