Get a JSON array of cities and countries from Teleport.

cities_and_countries.js

$.get('https://api.teleport.org/api/countries/').then(function(data) {
    var countries = $.map(data['_links']['country:items'], function(country) { return country.name });
    fetchedCities = [];
    countries.forEach(function(country) {
      $.get('https://api.teleport.org/api/cities/?search=' + country + '&embed=city%3Asearch-results%2Fcity%3Aitem%2Fcity').then(function(data) {
        var cities = data['_embedded']['city:search-results'];
        cities.forEach(function(city) {
          var city = {
            country: country,
            fullName: city['_embedded']['city:item'].full_name,
            name: city['_embedded']['city:item'].name,
            population: city['_embedded']['city:item'].population
          }
          fetchedCities.push(city);
        });
        console.log(fetchedCities);
      });
    });
  });