JSFiddle - React, Tailwind, and code Playground

HTML

Всего: <span class="total"></span><br /><br />
VK: <span class="vk"></span><br />
OK: <span class="ok"></span><br />
FB: <span class="fb"></span><br />
TW: <span class="tw"></span><br />
GP: <span class="gp"></span><br />

JavaScript

$(document).ready(function() {
    
    // Переменные
    var url = 'http://youtube.com';
    
    // Создаём массив    
    var totalCount = new Array();
    
    // Функция округления цифр
    var roundCount = function(number) {
        if (number > 999 && number <= 999999) var result = number/1000 + 'k';
        else if (number > 999999) var result = '>1M';
        else var result = number;
        return result;
    };

    // Проверяем наличие
    var existCount = function(element) {
        return ($(element).length > 0);
    };

    $.fn.getCount = function() {
        
        var dfd = new $.Deferred();
		
        // VK
        if (existCount('span.vk')) {
            $.getJSON('https://vk.com/share.php?act=count&index=1&url=' + encodeURIComponent(url) + '&callback=?', function(response) {});
            VK = {};
            VK.Share = {};
            VK.Share.count = function(index, count) {
                $('span.vk').text(roundCount(count));
                totalCount.push(count);
                dfd.resolve();
            };
        };
		
        // FB
        if (existCount('span.fb')) {
            $.getJSON('http://graph.facebook.com/?id=' + encodeURIComponent(url) + '&callback=?', function(response) {
                if (response.shares === undefined) {
                    $('span.fb').text('0');
                    totalCount.push(0);
                }
                else {
                    $('span.fb').text(roundCount(response.shares));
                    totalCount.push(response.shares);
                    dfd.resolve();
                };
            });            
        };
		
        // OK
        if (existCount('span.ok')) {
            $.getJSON('https://connect.ok.ru/dk?st.cmd=extLike&uid=1&ref=' + encodeURIComponent(url) + '&callback=?', function(response) {});
            ODKL = {};
            ODKL.updateCount = function(index, count) {
                $('span.ok').text(roundCount(count));
               ...