Yemeksepeti'nde verilen toplam sipariş miktarı(TL) ve adeti olarak düzenlendi. İlk kaynak: https://eksisozluk.com/toplam-yemeksepeti-com-harcamasini-gosteren-kod--6125159?p=1

orders.js

let changed = true;
let itemLength = 0;
let oldLength = 0;
let tolerance = 0;
var totalP = 0;
var sleepTime = 1500;
var repository = new Map();
function calculate() {

    var totalAmount=0;
    $.each($(".order-item"),
    function(index, value) {
      
        var restaurant =$.trim($(value).find('.order-restaurant > .row').find('a').text());
        restaurantList(repository,restaurant);
        
        var amount = $(value).find('.order-details .amount-info > strong').text().split("TL");
        totalAmount+=parseInt(amount);
    });
    console.log(`Toplam harcama: ${String(totalAmount)}`);
    console.log(repository);
}
function restaurantList(list, name) {
    typeof list[name] === 'undefined' ? list[name] = 1 : list[name]++;
  }

function loadItems() {
    itemLength = document.getElementsByClassName('order-item').length;
    if (itemLength == oldLength) {
        changed = false
    }
    oldLength = itemLength;
    window.scrollTo(0, document.body.scrollHeight);
    setTimeout(function() {
        if (changed) {
            loadItems();
            tolerance = 0
        } else {
            if (tolerance > 5) 
              calculate();
            else {
                tolerance++;
                sleepTime = sleepTime - 200;
                loadItems()
            }
        }
    }, sleepTime)
}
console.log('Hesaplama yapılıyor lütfen bekleyin...');
loadItems();