https://yellowscene.com/wp-content/themes/heydude/js/jquery.mobilemenu.js?ver=6.3.2

1/**
2 * jQuery Mobile Menu 
3 * Turn unordered list menu into dropdown select menu
4 * version 1.1(27-JULY-2013)
5 * 
6 * Built on top of the jQuery library
7 *   http://jquery.com
8 * 
9 * Documentation
10 * 	 http://github.com/mambows/mobilemenu
11 */
12(function($){
13$.fn.mobileMenu = function(options) {
14	
15	var defaults = {
16			defaultText: 'Navigate to...',
17			className: 'select-menu',
18			subMenuClass: 'sub-menu',
19			subMenuDash: '–'
20		},
21		settings = $.extend( defaults, options ),
22		el = $(this);
23	
24	this.each(function(){
25		var $el = $(this),
26			$select_menu;
27
28		// ad class to submenu list
29		$el.find('ul').addClass(settings.subMenuClass);
30
31		// Create base menu
32		var $select_menu = $('<select />',{
33			'class' : settings.className + ' ' + el.get(0).className
34		}).insertAfter( $el );
35
36		// Create default option
37		$('<option />', {
38			"value"		: '#',
39			"text"		: settings.defaultText
40		}).appendTo( $select_menu );
41
42		// Create select option from menu
43		$el.find('a').each(function(){
44			var $this 	= $(this),
45				optText	= '&nbsp;' + $this.text(),
46				optSub	= $this.parents( '.' + settings.subMenuClass ),
47				len		= optSub.length,
48				dash;
49			
50			// if menu has sub menu
51			if( $this.parents('ul').hasClass( settings.subMenuClass ) ) {
52				dash = Array( len+1 ).join( settings.subMenuDash );
53				optText = dash + optText;
54			}
55
56			// Now build menu and append it
57			$('<option />', {
58				"value"	: this.href,
59				"html"	: optText,
60				"selected" : (this.href == window.location.href)
61			}).appendTo( $select_menu );
62
63		}); // End el.find('a').each
64
65		// Change event on select element
66		$select_menu.change(function(){
67			var locations = $(this).val();
68			if( locations !== '#' ) {
69				window.location.href = $(this).val();
70			};
71		});
72
73	}); // End this.each
74
75	return this;
76
77};
78})(jQuery);