Change

<input id="datepicker" />
<script>
$("#datepicker").kendoDatePicker({
    change: function() {
        var value = this.value();
/* The result can be observed in the DevTools(F12) console of the browser. */
        console.log(value); //value is the selected date in the datepicker
    }
});
</script>

<input id="datepicker" />
<script>
$("#datepicker").kendoDatePicker();

var datepicker = $("#datepicker").data("kendoDatePicker");

datepicker.bind("change", function() {
    var value = this.value();
/* The result can be observed in the DevTools(F12) console of the browser. */
    console.log(value); //value is the selected date in the datepicker
});
</script>