tlo-johnson

function getJSONOuter(cityName) {

  /*
  if (!cityName) {
    // no need to put a var in front of cityName since cityName already exists as an input parameter
    var cityName = "Calgary";
  }

  // line 3-6 ensures that cityName can't be null so no need to check against null on line 8.
  // triple equals (===) is almost always preferred to double equals (==). try to find out what the difference is.