code: function ( obj, arg ) {
  		var result = [];
  
  		utility.genId( obj, true );
  
  		array.each( string.explode( arg ), function ( i ) {
  			result = result.concat( utility.$( "#" + obj.id + " " + i ) );
  		});
  
  		return result;
  	}
docs: Finds descendant childNodes of Element matched by arg
  
  @method find
  @param  {Mixed}  obj Element to search
  @param  {String} arg Comma delimited string of descendant selectors
  @return {Mixed}      Array of Elements or undefined