https://econord.by/catalog/view/theme/unishop2/js/special-timer.js

1(function($){
2	const specTimer = {
3		init:function(options, el) {
4            var base = this;
5			
6			base.options = $.extend({}, $.fn.uniTimer.options, options);
7			base.days = 24*60*60, base.hours = 60*60, base.minutes = 60;
8			
9			var date_arr = base.options.date.split('-'), year = parseFloat(date_arr[0]), month = parseFloat(date_arr[1])-1, day = parseFloat(date_arr[2]);
10			
11			base.$date = (new Date(year, month, day)).getTime();
12			base.$elem = $(el);
13			
14			if(base.$date > (new Date()).getTime())	{
15				html = '<div class="uni-timer">';
16			
17				for(i in base.options.texts){
18					html += '<div class="uni-timer__group g-'+i+'">';
19					html += '<div class="uni-timer__digit"></div>';
20					html += '<div class="uni-timer__text">'+base.options.texts[i]+'</div>';
21					html += '</div>';
22				}
23			
24				html += '</div>';
25			
26				base.$elem.append(html);
27				base.digits = base.$elem.find('.uni-timer__digit');
28				base.count();
29			}
30        },
31		count:function() {
32			var base = this, left, d, h, m, s;
33			
34			left = Math.floor((base.$date - (new Date()).getTime())/1000);
35			
36			left = left > 0 ? left : 0;
37			
38			d = Math.floor(left / base.days);
39			left -= d*base.days;
40			h = Math.floor(left / base.hours);
41			left -= h*base.hours;
42			m = Math.floor(left / base.minutes);
43			left -= m*base.minutes;
44			s = left;
45			
46			base.switchDigit([d, h, m, s]);
47			
48			setTimeout(() => { 
49				base.count();
50			}, 1000);
51		},
52		switchDigit:function(digits) {
53			var base = this;
54			
55			for(i in digits) {
56				base.digits.eq(i).text(digits[i])
57			}
58		},
59	}
60	
61	$.fn.uniTimer = function(options) {		
62		return this.each(function() {
63            if ($(this).data("uni-timer-init") === true) {
64                return false;
65            }
66			
67            $(this).data("uni-timer-init", true);
68			
69            var timer = Object.create(specTimer);
70            timer.init(options, this);
71        });
72	};
73	
74	$.fn.uniTimer.options = {
75		date	:'0000-00-00',
76		texts	:['Дней','Часов','Минут','Секунд']
77	};
78})(jQuery);