Change

<input id="maskedtextbox" />
<script>
$("#maskedtextbox").kendoMaskedTextBox({
    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 maskedtextbox
    }
});
</script>

<input id="maskedtextbox" />
<script>
$("#maskedtextbox").kendoMaskedTextBox();

var maskedtextbox = $("#maskedtextbox").data("kendoMaskedTextBox");

maskedtextbox.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 maskedtextbox
});
</script>