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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<meta name=”description” content=”Backbone.js tutorial code sample”>  
<link rel=”author” href=”https://plus.google.com/u/0/+ArvindRavulavaru“/>
<title>Backbone.js Tutorial - Arvind Ravulavaru</title>
  
</head>
<body>
  
  
  <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
  <script type="text/javascript" src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
  <script type="text/javascript" src="http://documentcloud.github.com/backbone/backbone-min.js"></script>  
</body>
</html>
 
var Todo = Backbone.Model.extend({
  defaults: {
    title: '',
    completed: false
  }
});
​
var TodosCollection = Backbone.Collection.extend({
  model: Todo
});
​
var myTodo = new Todo({title:'Read the whole book', id: 2});
​
​
// pass array of models on collection instantiation
var todos = new TodosCollection([myTodo]);
​
var todo2 = todos.get(2);
​
// Models, as objects, are passed by reference
console.log(todo2 === myTodo); // true
​
var todoCid = todos.get(todo2.cid); // 0.9.9 < getByCid()
​
// models are passed by reference
console.log(todoCid === myTodo); // true
​
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