code: function(attr) {
          var attrConfig = Y_Node.ATTRS[attr],
              val;
  
          if (attrConfig && attrConfig.getter) {
              val = attrConfig.getter.call(this);
          } else if (Y_Node.re_aria.test(attr)) {
              val = this._node.getAttribute(attr, 2); 
          } else {
              val = Y_Node.DEFAULT_GETTER.apply(this, arguments);
          }
  
          return val;
      }
docs: Helper method for get.
  @method _get
  @private
  @param {String} attr The attribute
  @return {any} The current value of the attribute