https://myeconomix.ru/bitrix/templates/aspro-allcorp3/js/blocks/hover-block.js

1$(document).on('mouseenter', '.hover-block .hover-block__item', function () {
2    var $this = $(this);
3    var $menu = $this.find('.hover-block__item-wrapper');
4    var delay = $this.data('delay');
5    var speed = $this.data('speed');
6
7    if($menu.data('timer')){
8        clearTimeout($menu.data('timer'));
9        $menu.data('timer', false);
10    }
11    
12    $menu.data('timer', setTimeout(function(){
13        $menu.stop();
14        $menu.fadeIn(speed && speed.show ? speed.show : 300);
15    }, (delay && delay.show ? delay.show : 100)));
16
17    $this.one('mouseleave', function () {
18        if($menu.data('timer')){
19            clearTimeout($menu.data('timer'));
20            $menu.data('timer', false);
21        }
22
23        $menu.data('timer', setTimeout(function(){
24            $menu.stop();
25            $menu.fadeOut(speed && speed.hide ? speed.hide : 100);
26        }, (delay && delay.hide ? delay.hide : 300)));
27    });
28});