refresh

The refresh() method reloads the current instance of the MaskedTextBox widget.
The optional parameter options gives the possibility to extend the initial options with the new ones.

<input id="maskedtextbox" value="(889) 333-666" />

<script type="text/javascript">
jQuery(function($) {
    var maskedTextBox = $("#maskedtextbox").shieldMaskedTextBox({
        mask: "(000) 000-000"
    }).swidget();

    maskedTextBox.refresh();
});
</script>