https://www.wetandwildcuracao.com/assets/frontend/wetnwild/js/defaults/spinbase.js?v=1

1/**
2 * Spin Base JS
3 * Created by Alvin Bakker for Spin Internet Media
4 * Copyright 2016
5 */
6
7var currentTallest = 0;
8var currentRowStart = 0;
9var rowDivs = new Array();
10
11var Base;
12
13Base = {
14    init: function(cl) {
15        Base.setEqualHeight(cl);
16        Base.bindUIActions();
17        $(window).resize(function() {
18            Base.setEqualHeight(cl);
19        });
20    },
21
22    setHeight: function(el, newHeight) {
23        el.data("originalHeight", (el.data("originalHeight") == undefined) ? (el.height()) : (el.data("originalHeight")));
24        el.height(newHeight);
25    },
26
27    setHeightToRatio: function(element) {
28        if (element) {
29            element.each(function(){
30                var ratio = $(this).attr('data-ratio');
31                if(ratio) {
32                    var part = ratio.split(':');
33                    var w = parseInt(part[0]);
34                    var h = parseInt(part[1]);
35
36                    var srcW = $(this).width();
37                    $(this).height((srcW / w) * h);
38                }
39            });
40        }
41    },
42
43    getOriginalHeight: function(el) {
44        return (el.data("originalHeight") == undefined) ? (el.height()) : (el.data("originalHeight"));
45    },
46
47    setEqualHeight: function(cl) {
48        $('.'+cl).each(function() {
49            var $el = $(this);
50            var topPosition = $el.position().top;
51
52            /**
53             * force first element to not have top = 0
54             */
55            if(currentRowStart == 0) currentRowStart = topPosition;
56
57            if (currentRowStart != topPosition) {
58                for (currentDiv = 0; currentDiv < rowDivs.length; currentDiv++) {
59                    Base.setHeight(rowDivs[currentDiv], currentTallest);
60                }
61                rowDivs.length = 0;
62                currentRowStart = topPosition;
63                currentTallest = Base.getOriginalHeight($el);
64                rowDivs.push($el);
65            } else {
66                rowDivs.push($el);
67                currentTallest = (currentTallest < Base.getOriginalHeight($el)) ? (Base.getOriginalHeight($el)) : (currentTallest);
68            }
69        });
70        for (currentDiv = 0 ; currentDiv < rowDivs.length ; currentDiv++) {
71            Base.setHeight(rowDivs[currentDiv], currentTallest);
72        }
73    },
74
75    bindUIActions: function () {
76
77    }
78
79};