https://pronets.ru/wp-content/themes/ai-tech/js/scripts.js?ver=1.0.6

1document.addEventListener('DOMContentLoaded',function(){
2    var toggle=document.querySelector('.mobile-toggle');
3    var nav=document.getElementById('mobile-nav');
4    var close=document.querySelector('.mobile-nav-close');
5    function openNav(){
6        nav.classList.add('open');
7        nav.setAttribute('aria-hidden','false');
8        if(toggle)toggle.setAttribute('aria-expanded','true');
9        document.body.style.overflow='hidden';
10    }
11    function closeNav(){
12        nav.classList.remove('open');
13        nav.setAttribute('aria-hidden','true');
14        if(toggle)toggle.setAttribute('aria-expanded','false');
15        document.body.style.overflow='';
16    }
17    if(toggle&&nav){
18        toggle.addEventListener('click',openNav);
19    }
20    if(close&&nav){
21        close.addEventListener('click',closeNav);
22    }
23    if(nav){
24        document.addEventListener('keydown',function(e){
25            if(e.key==='Escape'&&nav.classList.contains('open'))closeNav();
26        });
27    }
28
29    var scrollTop=document.createElement('button');
30    scrollTop.innerHTML='<i class="fa fa-arrow-up"></i>';
31    scrollTop.className='scroll-top';
32    scrollTop.setAttribute('aria-label','Наверх');
33    document.body.appendChild(scrollTop);
34    var ticking=false;
35    window.addEventListener('scroll',function(){
36        if(!ticking){
37            window.requestAnimationFrame(function(){
38                scrollTop.style.display=window.pageYOffset>400?'flex':'none';
39                ticking=false;
40            });
41            ticking=true;
42        }
43    });
44    scrollTop.addEventListener('click',function(){window.scrollTo({top:0,behavior:'smooth'})});
45});