_s theme: multiple menus on a page

navigation.js

/**
 * Handle multiple menus on one page
 */
(function($){
    $('document').ready(function(){
        $('.main-navigation .menu-toggle').on('click', function(){
            $(this).toggleClass('toggled');

            var $nav = $(this).parents('.main-navigation'),
                $ul = $nav.find('ul.menu');

            if ($(this).hasClass('toggled')) {
                $nav.toggleClass('toggled').attr('aria-expanded', true);
                $ul.attr('aria-expanded', true);
            } else {
                $nav.toggleClass('toggled').attr('aria-expanded', false);
                $ul.attr('aria-expanded', false);
            }
        });
    });
})(jQuery);