https://thepma.org/wp-content/themes/optimizewp/assets/js/modules/plugins/counter.js?ver=7.1.2

1/*
2 **	Plugin for counter shortcode
3 */
4(function($) {
5    "use strict";
6
7    $.fn.countTo = function(options) {
8        // merge the default plugin settings with the custom options
9        options = $.extend({}, $.fn.countTo.defaults, options || {});
10
11        // how many times to update the value, and how much to increment the value on each update
12        var loops = Math.ceil(options.speed / options.refreshInterval),
13            increment = (options.to - options.from) / loops;
14
15        return $(this).each(function() {
16            var _this = this,
17                loopCount = 0,
18                value = options.from,
19                interval = setInterval(updateTimer, options.refreshInterval);
20
21            function updateTimer() {
22                value += increment;
23                loopCount++;
24                $(_this).html(value.toFixed(options.decimals));
25
26                if (typeof(options.onUpdate) === 'function') {
27                    options.onUpdate.call(_this, value);
28                }
29
30                if (loopCount >= loops) {
31                    clearInterval(interval);
32                    value = options.to;
33
34                    if (typeof(options.onComplete) === 'function') {
35                        options.onComplete.call(_this, value);
36                    }
37                }
38            }
39        });
40    };
41
42    $.fn.countTo.defaults = {
43        from: 0,  // the number the element should start at
44        to: 100,  // the number the element should end at
45        speed: 1000,  // how long it should take to count between the target numbers
46        refreshInterval: 100,  // how often the element should be updated
47        decimals: 0,  // the number of decimal places to show
48        onUpdate: null,  // callback method for every time the element is updated,
49        onComplete: null  // callback method for when the element finishes updating
50    };
51})(jQuery);