Change date formate of Jquery datepicker in mvc4

Following Code is used to change jquery date picker formate to accept the 
date as "dd/mm/yy" format instead of any other formate. 



  $(function () {
            $.validator.addMethod('date',
            function (value, element) {
                if (this.optional(element)) {
                    return true;
                }
                var ok = true;
                try {
                    $.datepicker.parseDate('dd/mm/yy', value);
                }
                catch (err) {
                    ok = false;
                }
                return ok;
         });
            $(".date").datepicker({ dateFormat: 'dd/mm/yy', changeYear: true });
        });