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<html>
<head>
    <title></title>
    <?php
        include "./includes/functions.php";
    ?>

    <script type="text/javascript" src="js/vendor/ko.js"></script>
    <script type="text/javascript" src="js/vendor/ko-mapping.js"></script>

    <script type="text/javascript">
        function load() {

            var parsedJSON = <?php echo json_encode(populateGrades()) ?>;
            console.log(parsedJSON);

            function Grade (id, name, springPressure) {
                this.id = ko.observable(id);
                this.name = ko.observable(name);
                this.springPressure = ko.observable(springPressure);
            }

            function ViewModel() {
                var self = this;

                self.grades = ko.utils.arrayMap(parsedJSON, function(item) {
                    return new Grade(item.id, item.name, item.springPressure);
                });

                console.log(self.grades);

                self.chosenGrade = ko.observable();

                self.json = ko.toJSON(self.grades);
            }

            ko.applyBindings(new ViewModel());

        }
    </script>


</head>
<body onload="load()">
    <!--  ko foreach: grades -->
        <p data-bind="name"></p>
    <!--  /ko -->
</body>
</html>