https://hafen-ev.de/modules/mod_counters/assets/js/jquery.countTo.js?50977b

1(function ($) {
2	'use strict';
3
4	$.fn.countTo = function (options) {
5		options = options || {};
6
7		return this.each(function () {
8			// Set options for current element
9			var settings = $.extend({}, $.fn.countTo.defaults, {
10				from:            $(this).data('from'),
11				to:              $(this).data('to'),
12				speed:           $(this).data('speed'),
13				refreshInterval: $(this).data('refresh-interval'),
14				decimals:        $(this).data('decimals')
15			}, options);
16
17			// How many times to update the value, and how much to increment the value on each update
18			var loops = Math.ceil(settings.speed / settings.refreshInterval),
19				increment = (settings.to - settings.from) / loops;
20
21			// References & variables that will change with each update
22			var self = this,
23				$self = $(this),
24				loopCount = 0,
25				value = settings.from,
26				data = $self.data('countTo') || {};
27
28			$self.data('countTo', data);
29
30			// If an existing interval can be found, clear it first
31			if (data.interval) {
32				clearInterval(data.interval);
33			}
34			data.interval = setInterval(updateTimer, settings.refreshInterval);
35
36			// Initialize the element with the starting value
37			render(value);
38
39			function updateTimer() {
40				value += increment;
41				loopCount++;
42
43				render(value);
44
45				if (typeof settings.onUpdate === 'function') {
46					settings.onUpdate.call(self, value);
47				}
48
49				if (loopCount >= loops) {
50					// Remove the interval
51					$self.removeData('countTo');
52					clearInterval(data.interval);
53					value = settings.to;
54
55					render(value);
56
57					if (typeof settings.onComplete === 'function') {
58						settings.onComplete.call(self, value);
59					}
60				}
61			}
62
63			function render(value) {
64				var formattedValue = settings.formatter.call(self, value, settings);
65				
66				if (settings.addCommas) {
67					formattedValue = addCommas(formattedValue, settings);
68				}
69				$self.text(formattedValue);
70			}
71		});
72	};
73
74	$.fn.countTo.defaults = {
75		from: 0,               // The number the element should start at
76		to: 0,                 // The number the element should end at
77		speed: 1000,           // How long it should take to count between the target numbers
78		refreshInterval: 100,  // How often the element should be updated
79		decimals: 0,           // The number of decimal places to show
80		formatter: formatter,  // Handler for formatting the value before rendering
81		onUpdate: null,        // Callback method for every time the element is updated
82		onComplete: null,      // Callback method for when the element finishes updating
83		addCommas: true,
84		separator: ','
85	};
86
87	function addCommas(value, settings) {
88		var x, x1, x2, rgx;
89		value += '';
90		x = value.split('.');
91		x1 = x[0];
92		x2 = x.length > 1 ? '.' + x[1] : '';
93		rgx = /(\d+)(\d{3})/;
94		while (rgx.test(x1)) {
95			x1 = x1.replace(rgx, '$1' + settings.separator + '$2');
96		}
97		return x1 + x2;
98	}
99
100	function formatter(value, settings) {
101		return value.toFixed(settings.decimals);
102	}
103}(jQuery));