товары в корзину одним набюором

gistfile1.js

$(document).on('click', 'button[name="ms2_action_set"][value="cart/addset"]', function(e) {

    var parentSelector = '.mssetincart-row';
    var formSelector = '.ms2_form';
    var sets = {
        action: 'cart/add',
        ctx: miniShop2Config.ctx,
        id: 0,
        count: 1,
        options: []
    };

    $.each($(parentSelector).find(formSelector), function(i, el) {

        var $el = $(el);
        sets = $.extend({}, sets, {
            id: $el.find('input[name="id"]').val() || 0,
            count: $el.find('input[name="count"]').val() || 1
        });

        $.ajax({
            url: miniShop2Config.actionUrl,
            type: 'POST',
            dataType: 'json',
            async: false,
            data: sets,
            success: function(response) {
                if (response.success) {
                    miniShop2.Cart.status(response.data);
                    miniShop2.Message.success(response.message);
                } else {
                    miniShop2.Message.error(response.message);
                }
            }
        });
    });

    return false;
});