Countdown Cart ID Extractor

countdown.js

products = $('.product-stamp-body');

productDataExtractor = function (index, item) {
    quantity = parseFloat($(".quantity-container").eq(index).text(), 10);
    url = $(item).find(".details-container a").attr('href');
    itemID = parseInt(/\d{5,7}/.exec(url)[0]);
    return [[itemID, quantity]];
}

JSON.stringify($.makeArray(products.map(productDataExtractor)));