browser_location.js

function render_result(queryText) {

  // Test if the broswer supports geolocation
  if (navigator.geolocation) {

    navigator.geolocation.getCurrentPosition(function(position) {
      // Get geolocation from the browser's location
      latitude = position.coords.latitude;
      longitude = position.coords.longitude;

      var url = "https://maps.googleapis.com/maps/api/geocode/json?latlng=" + latitude + "," + longitude + "&sensor=false";
      var result = null;
      var country_code = null;

      // clear out the old data before appending the new one
      $("#result").empty();

      $.getJSON(url)
          // Get the geolocation from google maps api and
          // pass the result to the next function after the request is done.
      .done(function(data) {
        // Extract the country from the google maps api.
        result = data.results[data.results.length-1].address_components[0].short_name;
        // Handle the situation when the country code is null.
        country_code = result === undefined ? default_country_code : result;
        // $.when(query_and_parse_api(queryText, country_code), fetch_google_map_html(queryText, country_code)).done(function(a1,  a2){
        // });
        $.when(query_and_parse_api(queryText, country_code)).done(function(a1){
        });
        // $.when(fetch_google_map_html(queryText, country_code)).done(function(a1){
        // });
      });

    }), function(error) {
      var errorMessage;

      switch(error.code) {
      case 0:
        errorMessage = "unknown error";
        break;
      case 1:
        errorMessage = "permission denied";
        break;
      case 2:
        errorMessage = "position unavailable (error response from locaton provider)";
        break;
      case 3:
        errorMessage = "timed out";
        break;
      }
      console.log('Error occurred. Error code: ' + errorMessage);
    }
  } else {
    console.log('Geolocation is not supported for this Browser/OS version yet.');
  }
}