Reimplementation of http://rubrication.blogspot.ie/2013/05/monads-and-asynchronous-ajax-with.html using jQuery promises

jQuery promises

var iphost = "http://api.hostip.info/get_json.php";
var countryhost = "http://api.hostip.info/get_json.php?ip=";

function getIP() {
  return $.ajax({
    type: 'GET',
    url: iphost,
    dataType: 'json'
  });
}

function countryOf(data) {
  return $.ajax({
    type: 'GET',
    url: countryhost + data.ip,
    dataType: 'json'
  });
}

function display(data) {
  console.log(data.country_name);
}

function showError(xhr, data) {
  console.log("Error: " + data);
}

$(document).ready(function () {
  getIP()
    .then(countryOf)
    .then(display, showError)
});