https://xip.pl/js/counter.js

1/*
2 * jQuery.appear
3 * http://code.google.com/p/jquery-appear/
4 *
5 * Copyright (c) 2009 Michael Hixson
6 * Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
7*/
8(function($){$.fn.appear=function(f,o){var s=$.extend({one:true},o);return this.each(function(){var t=$(this);t.appeared=false;if(!f){t.trigger('appear',s.data);return;}var w=$(window);var c=function(){if(!t.is(':visible')){t.appeared=false;return;}var a=w.scrollLeft();var b=w.scrollTop();var o=t.offset();var x=o.left;var y=o.top;if(y+t.height()>=b&&y<=b+w.height()&&x+t.width()>=a&&x<=a+w.width()){if(!t.appeared)t.trigger('appear',s.data);}else{t.appeared=false;}};var m=function(){t.appeared=true;if(s.one){w.unbind('scroll',c);var i=$.inArray(c,$.fn.appear.checks);if(i>=0)$.fn.appear.checks.splice(i,1);}f.apply(this,arguments);};if(s.one)t.one('appear',s.data,m);else t.bind('appear',s.data,m);w.scroll(c);$.fn.appear.checks.push(c);(c)();});};$.extend($.fn.appear,{checks:[],timeout:null,checkAll:function(){var l=$.fn.appear.checks.length;if(l>0)while(l--)($.fn.appear.checks[l])();},run:function(){if($.fn.appear.timeout)clearTimeout($.fn.appear.timeout);$.fn.appear.timeout=setTimeout($.fn.appear.checkAll,20);}});$.each(['append','prepend','after','before','attr','removeAttr','addClass','removeClass','toggleClass','remove','css','show','hide'],function(i,n){var u=$.fn[n];if(u){$.fn[n]=function(){var r=u.apply(this,arguments);$.fn.appear.run();return r;}}});})(jQuery);
9
10(function ($) {
11	$.fn.countTo = function (options) {
12		options = options || {};
13
14		return $(this).each(function () {
15			// set options for current element
16			var settings = $.extend({}, $.fn.countTo.defaults, {
17				from:            $(this).data('from'),
18				to:              $(this).data('to'),
19				speed:           $(this).data('speed'),
20				refreshInterval: $(this).data('refresh-interval'),
21				decimals:        $(this).data('decimals'),
22				comma:       	 $(this).data('comma')
23			}, options);
24
25			// how many times to update the value, and how much to increment the value on each update
26			var loops = Math.ceil(settings.speed / settings.refreshInterval),
27				increment = (settings.to - settings.from) / loops;
28
29			// references & variables that will change with each update
30			var self = this,
31				$self = $(this),
32				loopCount = 0,
33				value = settings.from,
34				data = $self.data('countTo') || {};
35
36			$self.data('countTo', data);
37
38			// if an existing interval can be found, clear it first
39			if (data.interval) {
40				clearInterval(data.interval);
41			}
42			data.interval = setInterval(updateTimer, settings.refreshInterval);
43
44			// initialize the element with the starting value
45			render(value);
46
47			function updateTimer() {
48				value += increment;
49				loopCount++;
50
51				render(value);
52

53				if (typeof(settings.onUpdate) == 'function') {
54					settings.onUpdate.call(self, value);
55				}
56
57				if (loopCount >= loops) {
58					// remove the interval
59					$self.removeData('countTo');
60					clearInterval(data.interval);
61					value = settings.to;
62
63					if (typeof(settings.onComplete) == 'function') {
64						settings.onComplete.call(self, value);
65					}
66				}
67			}
68
69			function render(value) {
70				var formattedValue = settings.formatter.call(self, value, settings);
71				$self.text(formattedValue);
72			}
73		});
74	};
75
76	$.fn.countTo.defaults = {
77		from: 0,               // the number the element should start at
78		to: 0,                 // the number the element should end at
79		speed: 1000,           // how long it should take to count between the target numbers
80		refreshInterval: 100,  // how often the element should be updated
81		decimals: 0,           // the number of decimal places to show
82		formatter: formatter,  // handler for formatting the value before rendering
83		onUpdate: null,        // callback method for every time the element is updated
84		onComplete: null       // callback method for when the element finishes updating
85	};
86
87	function formatter(value, settings) {
88		
89		var count_val = value.toFixed(settings.decimals);
90		
91		if(settings.comma){
92			count_val = count_val.replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");
93		}
94		
95		return count_val;
96	}
97}(jQuery));
98