code: function(refNode) {
          var node = this._node;
  
          if (refNode instanceof Y_Node) { 
              refNode = refNode._node;
          }
          return node === refNode;
      }
docs: Compares nodes to determine if they match.
  Node instances can be compared to each other and/or HTMLElements.
  @method compareTo
  @param {HTMLElement | Node} refNode The reference node to compare to the node.
  @return {Boolean} True if the nodes match, false if they do not.