code: function find(elm, selectorFragment)
          {
              var c, results = selectorFragment.id ?
                  ((c = ((elm && elm.ownerDocument) || _document).getElementById(selectorFragment.id)) && _isDescendant(c, elm)) ? [c] : [] :
                  toArray(elm.getElementsByTagName(selectorFragment.uTag || "*"));
              c = results.length;
  
              if (c > 0 && (selectorFragment.id || selectorFragment.classes)) {
                  while (c--) {
                      if (!_match(results[c], selectorFragment)) {
                          results.splice(c, 1);
                      }
                  }
              }
              return results;
          }
docs: /*debug!