https://chasingepicmtb.com/wp-content/themes/moose/js/plugins/smoo…?ver=ca4ff3e0b27fcdeb7a1c5d698ea2a847

1
2var $window = $j(window);		//Window object
3var scrollTime = 0.4;			//Scroll time
4var scrollDistance = 300;		//Distance. Use smaller value for shorter scroll and greater value for longer scroll
5
6mobile_ie = -1 !== navigator.userAgent.indexOf("IEMobile");
7
8function smoothScrollListener(event){
9    event.preventDefault();
10
11    var delta = event.wheelDelta / 120 || -event.detail / 3;
12    var scrollTop = $window.scrollTop();
13    var finalScroll = scrollTop - parseInt(delta * scrollDistance);
14
15    TweenLite.to($window, scrollTime, {
16        scrollTo: {
17            y: finalScroll, autoKill: !0
18        },
19        ease: Power1.easeOut,
20        autoKill: !0,
21        overwrite: 5
22    });
23
24}
25
26if (!$j('html').hasClass('touch') && !mobile_ie) {
27
28    if (window.addEventListener) {
29        window.addEventListener('mousewheel', smoothScrollListener, {passive: false});
30        window.addEventListener('DOMMouseScroll', smoothScrollListener, {passive: false});
31    }
32
33}