code: public NodeList getAt(QName name) {
          NodeList answer = new NodeList();
          for (Object child : this) {
              if (child instanceof Node) {
                  Node childNode = (Node) child;
                  NodeList temp = childNode.getAt(name);
                  answer.addAll(temp);
              }
          }
          return answer;
      }
docs: Provides lookup of elements by QName.
  
  @param name the name or shortcut key for nodes of interest
  @return the nodes of interest which match name