soda statistic from GA

function findFrequency(array) {
    var ranks = array.reduce(function (totals, num) {
        const id = num["Product SKU"];
        if (!totals[id]) totals[id] = 0;
        totals[id] += num['Quantity'];

        return totals;
    }, {});

    //Iterate and find
    var max = 0;
    var id = '';
    Object.entries(ranks).forEach(function (num) {
        if (num[1] > max) {
            max = num[1];
            id = num[0];
        }
    });
    console.log('id ', id); //4 - number
    console.log('frequency ', max);
    return id;
}

fetch('https://static.adoric.com/Soda_DataSet.json')
    .then((response) => response.json())
    .then((response) => {
        const popularId = [];
       for (let i = 0; i < 10; i++) {
           console.log('iteration ', i);
            const maxId = findFrequency(response);

            let filteredTransactions = response.filter(item => item["Product SKU"] == maxId);
            response = response.filter(item => item["Product SKU"] != maxId);
            filteredTransactions = filteredTransactions.map(item => item["Transaction ID"]);
            filteredTransactions = Array.from(new Set(filteredTransactions));
            const releatedTransactions = response.filter(item => {
                if (filteredTransactions.some(i => item["Transaction ID"] == i)){
                    return item
                }
            });
            let arrayForReleatedProducts = releatedTransactions;
            const releatedProducts = [];
            for (let j = 0; j < 10; j++) {
                console.log('small iteration ', i, j);
                const releated = findFrequency(arrayForReleatedProducts);
                arrayForReleatedProducts = arrayForReleatedProducts.filter(item => item["Product SKU"] != releated);
                releatedProducts.push(releated);
            }
            popularId.push({
                [maxId]: releatedProducts
            });
       }
       console.log('popularId', popularId);
    })
    .catch((error) => {
        console.log(error)
    });