code: function( elem ) {
  		if ( elem.nodeName ) {
  			var match = jQuery.noData[ elem.nodeName.toLowerCase() ];
  
  			if ( match ) {
  				return !(match === true || elem.getAttribute("classid") !== match);
  			}
  		}
  
  		return true;
  	}
docs: A method for determining if a DOM node can handle the data expando