https://koenigsmuenster.de/wp-content/plugins/kk-lichter-tool/assets/js/loadmore.js?ver=1.0.0

1jQuery(function($){ // use jQuery code inside this to avoid "$ is not defined" error
2	$('.kk_lichter_loadmore').click(function(){
3
4 		
5		var button = $(this);
6		var cur_page = button.attr('data-current_page');
7		var cur_page_id = '#load-'+cur_page;
8		var multi_loaded = '';
9		if($(cur_page_id).length ){
10			multi_loaded = $(cur_page_id).attr('data-posts_loaded');
11		}
12		if(multi_loaded != ''){
13			var data = {
14				'action': 'loadmore',
15				'query': kk_lichter_loadmore_params.posts, // that's how we get params from wp_localize_script() function.
16				// 'page' : button.attr('data-current_page'),
17				'page' : cur_page,
18				// 'loaded' : button.attr('data-posts_loaded'),
19				'loaded' : multi_loaded,
20				// 'max_page' : button.attr('data-max_page')
21				'max_page' : kk_lichter_loadmore_params.max_page
22			};
23		} else {
24			var data = {
25				'action': 'loadmore',
26				'query': kk_lichter_loadmore_params.posts, // that's how we get params from wp_localize_script() function.
27				// 'page' : button.attr('data-current_page'),
28				'page' : kk_lichter_loadmore_params.current_page,
29				// 'loaded' : button.attr('data-posts_loaded'),
30				'loaded' : kk_lichter_loadmore_params.loaded,
31				// 'max_page' : button.attr('data-max_page')
32				'max_page' : kk_lichter_loadmore_params.max_page
33			};
34		}
35 
36		$.ajax({ // you can also use $.post here
37			url : kk_lichter_loadmore_params.ajaxurl, // AJAX handler
38			data : data,
39			type : 'POST',
40			beforeSend : function ( xhr ) {
41				button.text('Einen Moment bitte...'); // change the button text, you can also add a preloader image
42			},
43			success : function( data ){
44				if( data ) { 
45					button.text( 'Weitere Lichter anzeigen' ).prev().append(data); // insert new posts
46					kk_lichter_loadmore_params.current_page++;
47					button.attr('data-current_page', kk_lichter_loadmore_params.current_page);
48					// button.attr('data-posts_loaded', kk_lichter_loadmore_params.loaded);
49					console.log(kk_lichter_loadmore_params.loaded);
50					console.log(multi_loaded);
51 
52					if ( button.attr('data-current_page') == kk_lichter_loadmore_params.max_page ) {
53						button.remove(); // if last page, remove the button
54					}
55 
56					// you can also fire the "post-load" event here if you use a plugin that requires it
57					// $( document.body ).trigger( 'post-load' );
58				} else {
59					button.remove(); // if no data, remove the button as well
60					console.log(multi_loaded + ' Letzte Seite geladen!');
61				}
62			}
63		});
64	});
65});