anchor.diff:                  <div ng-if="trip_index == $index">
                       <div class="trip-template">
                           <div class="flight-template" ng-repeat="flight in trip.flights">
  +                            <div class="flight-long">{{flight.carrier_full}}</div>
                               <div class="header-map">
  -                                <span class="flight-carrier">{{flight.carrier_abbv}}</span>
  +                                <span class="flight-carrier">{{flight.carrier_abbv}} {{flight.flight_num}}</span>
                                   <span class="flight-date">{{flight.dep_time|date:fullDate}}</span>
                               </div>
                               <br>
  
positive.code:                             </div>
                              <br>
                          </div>
                      <span>{{trip.price}}</span>
                      </div>
                  </div>
              </div>
  
negative.code:                 <div ng-if="trip_index == $index">
                      <div class="trip-template">
                          <div class="flight-template" ng-repeat="flight in trip.flights">
                              <div class="flight-long">{{flight.carrier_full}}</div>
                              <div class="header-map">
                                  <span class="flight-carrier">{{flight.carrier_abbv}} {{flight.flight_num}}</span>
                                  <span class="flight-date">{{flight.dep_time|date:fullDate}}</span>
                              </div>
                              <br>
  