jquery promises #tags:promises

promises.js

function getUserLocation() {
  return $.ajax('https://www.example.com/location.json'); // note the `return`
}

function getCurrentWeather(userLocation) {
  return $.ajax('https://www.example.com/weather' + userLocation +  '.json');
}

getUserLocation().then(getCurrentWeather).then(function(data) {
   // location data here
});

// todo in error cases paste error methods into then method as second parametr