1. polymer
  2. polymer
  3. ObservableList
  4. add

method add

void add(E value)

Adds value to the end of this list, extending the length by one.

Throws an UnsupportedError if the list is fixed-length.

Source 

void add(E value) {
  int len = _list.length;
  _notifyChangeLength(len, len + 1);
  if (hasListObservers) {
    _recordChange(new ListChangeRecord(this, len, addedCount: 1));
  }

  _list.add(value);
}