JavaScript update city, region / state location info from https://zippopotam.us free API

update_location_info_zippopotamus.js

// update_inputs = {"city": "#cityInput", "region": "#regionInput", }
  window.updatePostalCode = function(country, postal_code, update_inputs) {
    jQuery.get("http://api.zippopotam.us/" + country + "/" + postal_code, "",
      function( data ) {
        var result = 
               { "country": data["country"],
                 "country_code": data["country abbreviation"],
                 "region": data['places'][0]['state'],
                 "city": data['places'][0]['place name']};
        if("region" in update_inputs && result["region"]) {
          $(update_inputs["region"]).val(result["region"]);
          $(update_inputs["region"]).change();
          console.log("update region from postal code");
        }
        if("city" in update_inputs && result["city"]) {
          $(update_inputs["city"]).val(result["city"]);
          $(update_inputs["city"]).change();
          console.log("update city from postal code");
        }
    });
  };
  
  // usage example
  $( "#inputZipCode" ).change(function() {
    var postal_code = $("#inputZipCode").val();
    if(postal_code.length > 2) {
      var clean_postal = postal_code.split(" ")[0];
      var country_code = $("#inputCountry").val();
      window.updatePostalCode(country_code, clean_postal, {"city": "#inputCity", "region": "#inputRegion"});
      console.log(clean_postal);
    }
  });