code: function() {
              var container;
              //first, try get it by `containerDataName`
              if(this.containerDataName) {
                  if(container = this.$element.data(this.containerDataName)) {
                      return container;
                  }
              }
              //second, try `containerName`
              container = this.$element.data(this.containerName);
              return container;
          }
docs: /* returns container object