Function errorCallback

src/restangular.js:1284–1293

(response)

          };

          var errorCallback = function(response) {
            if (response.status === 304 && config.isSafe(operation)) {
              resolvePromise(deferred, response, __this, filledObject);
            } else if (_.every(config.errorInterceptors, function(cb) {
                return cb(response, deferred, okCallback) !== false;
              })) {
              // triggered if no callback returns false
              deferred.reject(response);
            }
          };
          // Overriding HTTP Method
          var callOperation = operation;
          var callHeaders = _.extend({}, request.headers);