Opartdevis bug ES6 correction for IE11

front.js

function OpartDevisPopulateSelectCarrier(data) {
    //decode jsoon;
    data = $.parseJSON(data);

    if (data['prefered_order']) {
        // get prefered carrier order
        var order = data['prefered_order'].split(',');

        var carrierSelect = $('#opart_devis_carrier_input');
        carrierSelect.html('');

        // AXOME CORRECTION ES6 NOT COMPATIBLE WITH IE11
        for (var k=0; k <= order.length; k++) {
            if ($('#selected_carrier').val() == order[k])
                var selected = 'selected';
            else
                var selected = '';
            carrierSelect.append('<option value="' + order[k] + '" ' + selected + '>' + data[order[k]]['name'] + ' - ' + data[order[k]]['price'] + ' '+currency_sign+' (' + data[order[k]]['taxOrnot'] + ')</option>');
        }
      // END AXOME
        OpartDevisChangeCarrier();
    }
}