code: function(route) {
  
      // Save the previous route value
      this._previousRoute = this._currentRoute;
  
      // Fetch Resources
      document.body.classList.add("loading");
      return this._fetchResource(route, this.config.container).then(function(res){
        document.body.classList.remove('loading');
        return res;
      });
    }
docs: Called when no matching routes are found. Extracts root route and fetches it's resources