code: function( element, set ) {
  		var val, i;
  		for( i=0; i < set.length; i++ ) {
  			if ( set[ i ] !== null ) {
  				val = element.data( dataSpace + set[ i ] );
  				// support: jQuery 1.6.2
  				// http://bugs.jquery.com/ticket/9917
  				// jQuery 1.6.2 incorrectly returns undefined for any falsy value.
  				// We can't differentiate between "" and 0 here, so we just assume
  				// empty string since it's likely to be a more common value...
  				if ( val === undefined ) {
  					val = "";
  				}
  				element.css( set[ i ], val );
  			}
  		}
  	}
docs: Restores a set of previously saved properties from a data storage