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collections.html
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collections.html
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<!doctype html>
<html class="no-js">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title></title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.6.0/underscore-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js"></script>
<script>
var Book = Backbone.Model.extend({
defaults: {
title: '',
pages: 0
}
});
var BooksCollection = Backbone.Collection.extend({
model: Book
});
var myBook = new Book({
title: 'Momo',
pages: 100
});
var myBooks = new BooksCollection([myBook]);
console.log(myBooks.length);
</script>
</body>
</html>