tikluganguly/jsbin.ivumuz.html

## jsbin.ivumuz.html
<!DOCTYPE html>
<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>
<script src="http://documentcloud.github.io/underscore/underscore-min.js"></script>
<script src="http://documentcloud.github.io/backbone/backbone-min.js"></script>
<meta charset=utf-8 />
<title>JS Bin</title>
</head>
<body ng-controller="Controller1">
  <ul>
    <li ng-repeat="car in collection.models">
      {{ car.name }}
      <input type="number" ng-model="car.attributes.cost">
    </li>
  </ul>
  <p>{{ collection.totalCost() | currency }}</p>
</body>
</html>

## jsbin.ivumuz.js
var data = [
  { id: 1, name: 'Honda', cost: 10 },
  { id: 2, name: 'Toyota', cost: 20 },
  { id: 3, name: 'Ford', cost: 40 }
];

var CarCollection = Backbone.Collection.extend({
  totalCost: function() {
    var total = 0;

    this.forEach(function(model) {
      total += model.get('cost');
    });

    return total;
  }
});

function Controller1($scope) {
  var collection = new CarCollection(data);

  $scope.cars = collection.toJSON();
  $scope.collection = collection;
}
	<!DOCTYPE html>
	<html ng-app>
	<head>
	<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>
	<script src="http://documentcloud.github.io/underscore/underscore-min.js"></script>
	<script src="http://documentcloud.github.io/backbone/backbone-min.js"></script>
	<meta charset=utf-8 />
	<title>JS Bin</title>
	</head>
	<body ng-controller="Controller1">
	<ul>
	<li ng-repeat="car in collection.models">
	{{ car.name }}
	<input type="number" ng-model="car.attributes.cost">
	</li>
	</ul>
	<p>{{ collection.totalCost() \| currency }}</p>
	</body>
	</html>
	var data = [
	{ id: 1, name: 'Honda', cost: 10 },
	{ id: 2, name: 'Toyota', cost: 20 },
	{ id: 3, name: 'Ford', cost: 40 }
	];

	var CarCollection = Backbone.Collection.extend({
	totalCost: function() {
	var total = 0;

	this.forEach(function(model) {
	total += model.get('cost');
	});

	return total;
	}
	});

	function Controller1($scope) {
	var collection = new CarCollection(data);

	$scope.cars = collection.toJSON();
	$scope.collection = collection;
	}