https://www.thegodjourney.com/wp-content/themes/palo-alto/js/small-menu.js?ver=20120206

1/**
2 * Handles toggling the main navigation menu for small screens.
3 */
4jQuery( document ).ready( function( $ ) {
5	var $masthead = $( '#masthead' ),
6	    timeout = false;
7
8	$.fn.smallMenu = function() {
9		$masthead.find( '.site-navigation' ).addClass( 'main-small-navigation' );
10		$masthead.find( '.site-navigation div.assistive-text' ).addClass( 'menu-toggle' ).removeClass('assistive-text');
11		$masthead.find( '.site-navigation .menu-toggle a > span' ).addClass( 'inline-icon-list' );
12
13		$( '.menu-btn' ).unbind( 'click' ).click( function() {
14			$masthead.find( '.site-navigation .menu' ).slideToggle();
15			$( this ).toggleClass( 'toggled-on' );
16			return false;
17		} );
18	};
19
20	// Check viewport width on first load.
21	if ( $( window ).width() < 720 )
22		$.fn.smallMenu();
23
24	// Check viewport width when user resizes the browser window.
25	$( window ).resize( function() {
26		var browserWidth = $( window ).width();
27
28		if ( false !== timeout )
29			clearTimeout( timeout );
30
31		timeout = setTimeout( function() {
32			if ( browserWidth < 720 ) {
33				$.fn.smallMenu();
34			} else {
35				$masthead.find( '.site-navigation' ).removeClass( 'main-small-navigation' ).addClass( 'site-navigation' );
36				$masthead.find( '.site-navigation .menu-toggle a > span' ).removeClass( 'icon-list' );
37				$masthead.find( '.site-navigation .menu-toggle' ).addClass( 'assistive-text' ).removeClass( 'menu-toggle' );
38				$masthead.find( '.menu' ).removeAttr( 'style' );
39			}
40		}, 200 );
41	} );
42} );