https://seranking.com/wp-content/themes/se_theme/components/modal-window/assets/app.js?v=3352

1(function() {
2    function init() {
3        var modals = document.querySelectorAll('.se-modal-window__backdrop');
4        if (!modals.length) {
5            return;
6        }
7        Array.from(modals).forEach(function(modal) {
8            var triggerClasses = modal.dataset.triggerClass.split(/\s+/);
9            var modalContent = modal.querySelector('.se-modal-window__content');
10            triggerClasses.forEach(function(cls) {
11                if (!cls) return;
12                var triggers = document.querySelectorAll('.' + cls);
13                Array.from(triggers).forEach(function(trigger) {
14                    trigger.addEventListener('click', function(e) {
15                        e.preventDefault();
16                        if (trigger.closest('.demo-popup')) {
17                            modal.classList.add('se-modal-window__backdrop_popup');
18                        }
19                        modal.classList.add('active');
20                        document.body.classList.add('modal-active');
21                    });
22                });
23            });
24            modal.addEventListener('click', function(event) {
25                if (!modalContent.contains(event.target)) {
26                    closeModalWindow();
27                }
28            });
29            var closeButtonClass = '.' + modal.dataset.closeButtonClass;
30            var selector = '.se-modal-window__close-button' + (modal.dataset.closeButtonClass ? ',' + closeButtonClass : '');
31            var closeButtons = modal.querySelectorAll(selector);
32            if (closeButtons.length) {
33                Array.from(closeButtons).forEach(function(button) {
34                    button.addEventListener('click', closeModalWindow);
35                });
36            }
37            
38            function closeModalWindow() {
39                modal.classList.remove('active');
40                modal.classList.remove('se-modal-window__backdrop_popup');
41                document.body.classList.remove('modal-active');
42            }
43        });
44    }
45    
46    if (document.readyState !== 'loading') {
47        init();
48    } else {
49        document.addEventListener('DOMContentLoaded', function() {
50            init();
51        });
52    }
53})();