https://www.editorescrittoio.it/wp-content/themes/bookory/inc/megamenu/assets/js/frontend.js?ver=2.2.1

1(function ($) {
2    $(function () {
3        $('.main-navigation .has-mega-menu.has-stretchwidth').hover(function (e) {
4            let $body = $('body'),
5                pleft = $(this).offset().left,
6                bodyleft = $body.offset().left;
7            $('.mega-stretchwidth', this).css({
8                left: -pleft + bodyleft,
9                width: $body.width()
10            });
11        });
12
13        $('.main-navigation .has-mega-menu.has-containerwidth').hover(function (e) {
14            let $parent = $(this).closest('.container , .elementor-container, .col-full, .header-container'),
15                pleft = $parent.offset().left + parseInt($parent.css('padding-left')),
16                cleft = $(this).offset().left;
17
18            $('.mega-containerwidth', this).css({
19                left: pleft - cleft,
20                width: $parent.width()
21            });
22        });
23
24		$('.main-navigation .has-mega-menu').has('ul.custom-subwidth').hover(function (e) {
25			let pleft = parseFloat($(this).children('a').css('padding-left')),
26				$oleft = $(this).offset().left + pleft,
27			    $itemwidth = parseInt($(this).children('.custom-subwidth').css('width')),
28			    $bodywidth = $('body').width();
29
30			let $offset = $oleft + $itemwidth - $bodywidth;
31
32			if ($offset >= 0){
33				$('.mega-menu.custom-subwidth', this).css({
34					left: -$offset + pleft
35				});
36			}
37			else{
38				$('.mega-menu.custom-subwidth', this).css({
39					left: pleft
40				});
41			}
42		});
43    });
44})(jQuery);