https://boumbouras-foundation.com/wp-content/plugins/cherry-lazy-load/js/cherry.lazy-load.js?ver=1.0

1function getWindowHeight() {
2    var myWidth = 0, myHeight = 0;
3    if( typeof( window.innerWidth ) == 'number' ) {
4        //Non-IE
5        myHeight = window.innerHeight;
6    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
7        //IE 6+ in 'standards compliant mode'
8        myHeight = document.documentElement.clientHeight;
9    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
10        //IE 4 compatible
11        myHeight = document.body.clientHeight;
12    }
13
14    return myHeight
15}
16
17function appearBox(element, element_top, bottom_of_window) {
18    /* If the object is completely visible in the window, fade it it */
19    var buffer = element.outerHeight()/2;
20    if( bottom_of_window > element_top + buffer) {
21        setTimeout(function(){
22            element.removeClass('trigger').animate({'opacity':'1'}, element.data('speed'))
23        }, element.data('delay'));            
24    }
25}
26
27
28(function($) {
29    $(window).load(function() {
30        if(!device.mobile() && !device.tablet()){
31            $('.lazy-load-box').each( function(i){
32                var element_offset = $(this).offset(),
33                    element_top = element_offset.top;
34                    bottom_of_window = $(window).scrollTop() + getWindowHeight();
35                
36                appearBox($(this), element_top, bottom_of_window);
37            });
38
39            /* Every time the window is scrolled ... */
40            $(window).scroll( function() {
41                /* Check the location of each desired element */
42                $('.lazy-load-box').each( function(i){
43                    
44                    var element_offset = $(this).offset(),
45                        element_top = element_offset.top;
46                        bottom_of_window = $(window).scrollTop() + getWindowHeight();
47                    
48                    appearBox($(this), element_top, bottom_of_window);
49                    
50                }); 
51            
52            });
53        } else {
54            $('.lazy-load-box').each( function(i) {
55                $(this).removeClass('trigger').css('opacity', '1');
56            });
57        }
58    });
59})(jQuery);