问Javascript yyyy-mm-dd转换为不正确的日期(mm/dd/yyyy)

EN

function initDatePickers() {
jQuery('.om-datepicker-trigger').click(function () {
    var defaultDatePickerOptions = {
        showOtherMonths: true,
        changeMonth: true,
        changeYear: true,
        defaultDate: '-45y',
        dateFormat: 'mm/dd/yy',
        beforeShow: function (input, inst) {
            var widget = jQuery(inst).datepicker('widget');
            widget.css('margin-left', jQuery(input).outerWidth() + 3 - 
widget.outerWidth());
        },
        //buttonImage: "/img/button_calendar.png",
        //buttonImageOnly: true,
        showOn: "both"
    };

    var $input = jQuery(this).parent().find('.om-input-date').first();

    if ($input.hasClass('om-min-date-today')) {
        var minDateTodayOptions = defaultDatePickerOptions;
        minDateTodayOptions.defaultDate = 0;
        minDateTodayOptions.minDate = 0;
        $input.datepicker(minDateTodayOptions);
        $input.datepicker('show');
    } else {
        $input.datepicker(defaultDatePickerOptions);
        $input.datepicker('show');
    }
});

jQuery('.om-input-date').click(function () {
    jQuery(this).next('.om-datepicker-trigger').trigger('click');
});


// Datepicker
// --------------------------------------------------------
jQuery('.om-input-date').keyup(function () {
    var inputDOBBox = jQuery(this);
    var dateValue = inputDOBBox.attr('value');
    if (dateValue.length == 3 || dateValue.length == 6) {
        var first = dateValue.substring(0, dateValue.length - 1);
        var last = dateValue.substring(dateValue.length - 1);
        if (last != "/" && last != "-") {
            inputDOBBox.attr('value', first + "/" + last);
        }
    }
});