iphone menu closed problem

js

    $(document).ready(function () {
        var $ua = navigator.userAgent;
        var $event = ($ua.match(/(iPod|iPhone|iPad)/i)) ? "touchstart" : "click";

        $(document).on($event, '.mob-menu-overlay', function (e) {
            e.stopPropagation();
            $(document).find('.side-mob-menu').removeClass('open');
            if ($ua.match(/(iPod|iPhone|iPad)/i)) {
                console.log('iPod|iPhone|iPad click');
            }
        });
    });