jQuery Datepicker onSelect event get class

jquery-datepicker-onselect-event-get-class.html

 (function ($) {
    $(document).ready(function () {
        $("#calendar").datepicker({
            dateFormat: 'yyyy-mm-dd',
            beforeShowDay: function (date) {
                return [true, 'reserved', 'this date reserved'];
            },
            onSelect: function (date, el) {
                var day  = el.selectedDay,
                    mon  = el.selectedMonth,
                    year = el.selectedYear;

                var el = $(el.dpDiv).find('[data-year="'+year+'"][data-month="'+mon+'"]').filter(function() {
                    return $(this).find('a').text().trim() == day;
                });

                if ( el.hasClass('reserved')){
                    console.log('it is reserved!');
                } else {
                    console.log('it is not reserved');
                }
            }
        });
    });
})(jQuery);