https://sapokino.com/cms/wp-content/themes/sapokino/js/base.js

1(function( window, undefined ) {
2
3	var utility = {
4			
5		smoothScroll: function() {
6		
7			var options = {
8				selector: 'a[href*="#"]',
9				duration: 400,
10				easing: 'linear'
11			};
12			
13			var $selector = $(options.selector).not('a[href="#"]').not('a[data-smooth="false"]'),
14			$target = $('html, body');
15			
16			$selector.on('click', function() {
17			
18				var data = $(this).data('smooth') || 0;
19			
20				$target.animate({
21					scrollTop: $(this.hash).offset().top + data
22				}, {
23					duration: options.duration,
24					easing: options.easing
25				});
26			
27			return false;
28		
29		});
30		
31		}
32	
33	};
34
35for (var i in utility) utility[i]();
36
37}( window ));