js__geolocation/geo4/geo4.js

require(["Geo", "MessageElement"], function () {
  "use strict";

  var geo = new Geo();
  var area = new MessageElement("geo");

  if (geo.getGeo()) {
    geo.showLocation(area);
  }
  else {
    area.set("Geolocation API is not available.");
  }
});