location-by-click-4.js

function setUpClickListener(map) {
  map.addEventListener('tap', function (evt) {
    var coord = map.screenToGeo(evt.currentPointer.viewportX,
            evt.currentPointer.viewportY);
    alert('Clicked at ' + Math.abs(coord.lat.toFixed(4)) +
        ((coord.lat > 0) ? 'N' : 'S') +
        ' ' + Math.abs(coord.lng.toFixed(4)) +
         ((coord.lng > 0) ? 'E' : 'W'));
  });
}