gelary-part4-26.js

var renderRouteElement = function(route, i) {
  var element = document.createElement('li');

  var routeSummary = route.route.summary;
  element.innerHTML = renderRouteTitle(routeSummary, i);

  element.addEventListener('click', function() {
    if (selectedRoute) {
      selectedRouteElement.classList.remove('selected');
    }

    element.classList.add('selected');
    selectedRoute = route;
    selectedRouteElement = element;

    if (options.onRouteSelection) {
      options.onRouteSelection(selectedRoute);
    }
  }, false);

  return element;
};