Why app freezes on windows phone 8.1?

R

Run Utochkin2015-02-06 14:15:27

JavaScript

Run Utochkin, 2015-02-06 14:15:27

I am developing an application on the Pivot template in Visual Studio Express 2013.
On one of the tabs, I execute the following code
file.html:

<body>
    <div id="mediumListIconTextTemplate" data-win-control="WinJS.Binding.Template">
        <span data-win-bind="innerText: text"> </span>

        <div>
            <h4 data-win-bind="innerText: title"></h4>
        </div>
    </div>
    <div class="fragment section2page">
        <section aria-label="Main content" role="main">
            <div id="myListView"
                 data-win-control="WinJS.UI.ListView"
                 data-win-options="{ itemDataSource : DataExample.dataList.dataSource,
            itemTemplate: select('#mediumListIconTextTemplate'),
            layout: {type: WinJS.UI.GridLayout}}">
            </div>
        </section>
    </div>
</body>

.js file:

(function () {
    "use strict";

    var ControlConstructor = WinJS.UI.Pages.define("/pages/hub/section1Page.html", {
        ready: function (element, options) {
            options = options || {};
            var myData = [
                { title: "Basic banana", text: "Low-fat frozen yogurt" },
                { title: "Banana blast", text: "Ice cream" },
                { title: "Brilliant banana", text: "Frozen custard" },
                { title: "Aligator", text: "Frozen custard" },
                { title: "Cligator", text: "Frozen custard" },
                { title: "Kligator", text: "Frozen custard" }
            ];
            var dataList = new WinJS.Binding.List(myData);
            var publicMembers =
               {
                   groupedItemsList: dataList
               };
            WinJS.Namespace.define("DataExample", publicMembers);
        }
    });

    WinJS.Namespace.define("HubApps_SectionControls", {
        Section1Control: ControlConstructor
    });
})();

When switching to this tab, the application freezes and in Visual 2013 the base.js file opens on the line with the code:

var terminateAppHandler = function (data, e) {
        debugger;
        MSApp.terminateApp(data);
    };

How can I solve the problem, where is the error, please tell me!

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