reduce: function reduce(callbackfn /* , initialValue */) {
return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
}
reduce: function reduce(callbackfn /* , initialValue */) {
return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);
}