Belajar Angular JS dengan praktek 4

<!DOCTYPE html>
<html lang="en-US">
    <!--
        Belajar Angular JS dengan praktek 4
        invoice dan currency
        tema: filter
        Yoesoff / Yusuf
        blog : undebugable.wordpress.com
        penjelasan :  Belajar praktek angularJS
     -->
    <head>
        <!-- Load Angular -->
        <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
    </head>

    <body>

        <!-- start here -->
        <div ng-app="belajar" ng-controller="BelajarsController as bljr">
            <h2>{{bljr.frmLabel}} note: {{note}} </h2>
            Quantity: <input type="number" min="0" ng-model="bljr.qty" required >
        </div>

        <script>
        var app = angular.module('belajar', []);
        app.controller('BelajarsController', function($scope) {
            this.frmLabel = "holalala";
            this.qty        = 12;

            $scope.note = "lipsum";
        });
        </script>

    </body>

</html>