anchor.diff:        map: map
       });
   
  +    const MILES_TO_METERS = 1609.34;
       var circle = new google.maps.Circle({
  -      radius: loc.radius * 1609.34,
  +      radius: loc.radius * MILES_TO_METERS,
         center: markerLat,
         map: map
       });
  
positive.code:     google.maps.event.addListener(marker, 'dragend', function(evt) {
        $("#latitude").attr("value", marker.position.lat());
        $("#longitude").attr("value", marker.position.lng());
      });
  
      var geocoder = new google.maps.Geocoder();
  
negative.code:           $submitButton.removeClass("disabled");
          },
          success: function() {
            circle.setRadius(loc.radius * MILES_TO_METERS);
            flash("Successfully saved", "success");
          }
        });
  