Function skipEmptyAndUnknownOptions

lib/test/angular/1.4.3/angular.js:26341–26353

(current)

      function skipEmptyAndUnknownOptions(current) {
        var emptyOption_ = emptyOption && emptyOption[0];
        var unknownOption_ = unknownOption && unknownOption[0];

        if (emptyOption_ || unknownOption_) {
          while (current &&
                (current === emptyOption_ ||
                current === unknownOption_)) {
            current = current.nextSibling;
          }
        }
        return current;
      }


      function updateOptions() {