Павел

.scroller {
    overflow-x: hidden;
    overflow-y: hidden;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: none;
}

var keys = _.keys(data[0]);
var maxNumber = 0;
var selectedItem;
_.map(keys, function(item) {
 var number = item.replace("field_", "");
 if(number > maxNumber) {
  maxNumber = number;
  selectedItem = item;
 }
 return item;
});
console.log(data[0][selectedItem])