https://bikepacking.com/wp-content/themes/pedalingnowhere/js/routes-ajax.js?ver=0.1.0

1jQuery(document).ready(function($) {
2	var routesLoading = false;
3
4	$('.routes-load-more').on('click', function(e) {
5		e.preventDefault();
6			
7		var itemCount = $('ul.featured-routes li').length;
8		var currentPage = itemCount / 4;
9		var nextPage = currentPage + 1;
10	
11		var data = {
12			action: 'routes',
13			security: Ajax.security,
14			page: nextPage
15		};
16		
17		if ( ! routesLoading) {
18			routesLoading = true;
19			
20			$.post(Ajax.ajaxurl, data, function(response) {
21				$('ul.featured-routes').append(response);
22				
23				routesLoading = false;
24			});
25		}
26		
27		return false;
28	});
29});