Do not show dropdownlist until data available

by OnaBai

HTML

<link rel="stylesheet" href="http://cdn.kendostatic.com/2013.2.716/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2013.2.716/styles/kendo.default.min.css">
<script src="http://cdn.kendostatic.com/2013.2.716/js/jquery.min.js"></script>
<script src="http://cdn.kendostatic.com/2013.2.716/js/kendo.all.min.js"></script>
<div id="myDropDown"></div>

JavaScript

var ds = new kendo.data.DataSource({
    transport : {
        read: function (op) {
            // Simulate delay on receiving data
            setTimeout(function() {
                op.success([
                    "option1",
                    "option2",
                    "option3",
                    "option4",
                    "option5",
                    "option6"
                ]);
            }, 5000);
        }
    }
});

ds.fetch(function(d) {
    $("#myDropDown").kendoDropDownList({
        dataSource: ds
    });
});