Kendo - Base Q3

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.3.1114/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.3.1114/styles/kendo.default.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.3.1114/styles/kendo.dataviz.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.3.1114/styles/kendo.mobile.all.min.css">
<script src="http://cdn.kendostatic.com/2012.3.1114/js/kendo.all.min.js"></script>
<input id="movies" />

JavaScript

var data = [ //will be used to simulate remote Ajax request
    {text: "12 Angry Men", value:"1"},
    {text: "Il buono, il brutto, il cattivo.", value:"2"},
    {text: "Inception", value:"3"},
    {text: "One Flew Over the Cuckoo's Nest", value:"4"},
    {text: "Pulp Fiction", value:"5"},
    {text: "Schindler's List", value:"6"},
    {text: "The Dark Knight", value:"7"},
    {text: "The Godfather", value:"8"},
    {text: "The Godfather: Part II", value:"9"},
    {text: "The Shawshank Redemption", value:"10"},
    {text: "The Shawshank Redemption 2", value:"11"}
];

var dataSource = new kendo.data.DataSource({
    transport: {
        read: function(operation) {
            var cashedData = localStorage.getItem("moviesData");
            
            if(cashedData != null || cashedData != undefined) {
                //if local data exists load from it
                operation.success(JSON.parse(cashedData));
            } else {
                $.ajax({ //using jsfiddle's echo service to simulate remote data loading
                    url: 'http://theoriginaldrinkking.com/wp-json/wp/v2/posts/?json=get_category_posts&categories=13&count=10',
                    type: "GET",
                    dataType: "json",
                    data: {
                        json: JSON.stringify(data)
                    },
                    success: function(response) {
                        //store response
                        localStorage.setItem("moviesData", JSON.stringify(response));
                        //pass the pass response to the DataSource
                        operation.success(response);
                    }
                });
            }                 
        }
    }        
});

$("#movies").kendoComboBox({
   dataSource: dataSource
});