get variable outside for loop

i create an simple code like this

for (var b = 0; b < parseDataArr.length; b++) {
                    for (var c = 0; c < parseDataArr[b].data_item.length; c++) {
                        for (var d = 0; d < parseDataArr[b].data_item[c].data_receipt.length; d++) {
                            var kartonReceipt = parseDataArr[b].data_item[c].data_receipt[d].cartonIRBar
                        }
                    }
                }
                log.debug('carton for',cartonIRBar) //not all result for loop only last data has record

how get all result data from cartonIRBAr without enclosing debug in curly braces (define cartonIRBar outside the for)