function get_discount() {
    $.ajax({
        url: 'ZZZ',
        type: 'GET'
    })
    .done(function(data) {
        $('.carrotquest-castom-cart').each(function(index, el) {
            for (var i = 0; i < $(data).length; i++) {
                $(el).after('<div class="carrotquest-castom-cart"> <div class="carrotquest-castom-item-img"> <a href="' + data[i][1] + '" target="_top" title="' + data[i][0] + '"><img src="' + data[i][3] + '" alt="' + data[i][0] + '"></a> </div> <div class="wrapper"> <div class="carrotquest-castom-item-name"> <p><a href="' + data[i][1] + '" target="_top">' + data[i][0] + '</a></p> </div> <div class="carrotquest-castom-item-price"> <p>' + data[i][2] + ' р.</p> </div> <div class="carrotquest-castom-item-href"> <a target="_top" href="' + data[i][1] + '">Подробнее</a> </div> </div> </div>')
            }
        });
    })
};

get_discount();