https://campgroundoftheweek.com/wp-content/themes/fruitful/js/small-menu-select.js?ver=20130930

1(function ($) {
2    $.fn.mobileMenu = function (options) {
3
4        var defaults = {
5            defaultText: 'Navigate to...',
6            className: 'select-menu',
7            subMenuClass: 'sub-menu',
8            subMenuDash: '–'
9        },
10            settings = $.extend(defaults, options),
11            el = $(this);
12        i = 0;
13        this.each(function () {
14            // ad class to submenu list
15            if ($(this).parents('aside').length > 0) return;
16            i++;
17            el.find('ul.children').addClass(settings.subMenuClass);
18            $(this).attr('id', 'main-menu-' + i);
19            // Create base menu
20            $('<select />', {
21                'id': 'mobile-menu-' + i,
22                'class': settings.className
23            }).insertAfter($('#main-menu-' + i));
24
25            // Create default option
26            $('<option />', {
27                "value": '#',
28                "text": settings.defaultText
29            }).appendTo('#' + 'mobile-menu-' + i);
30
31            // Create select option from menu
32            $('#main-menu-' + i).find('a').each(function () {
33                var $this = '',
34                    optText = '',
35                    optSub = '',
36                    len = '',
37                    dash = '';
38
39                $this = $(this), optText = '&nbsp;' + $this.text(), optSub = $this.parents('.' + settings.subMenuClass), len = optSub.length;
40
41
42                // if menu has sub menu
43                if ($this.parents('ul').hasClass(settings.subMenuClass)) {
44                    dash = Array(len + 1).join(settings.subMenuDash);
45                    optText = dash + optText;
46                }
47
48                // Now build menu and append it
49                $('<option />', {
50                    "value": this.href,
51                    "html": optText,
52                    "selected": (this.href == window.location.href)
53                }).appendTo('#' + 'mobile-menu-' + i);
54
55            }); // End el.find('a').each
56            // Change event on select element
57            $('.' + settings.className).change(function () {
58                var locations = $(this).val();
59                if (locations !== '#') {
60                    window.location.href = $(this).val();
61                };
62            });
63
64        });
65        return this;
66    };
67})(jQuery);