          _updateText();
          listMesh.updateList();
        } else if (code === 40) { // down
          if (focusedTab === urlMesh) {
            if (tabs.length > 0) {
              focusedTab = tabs[0];
              listMesh.scrollIndex = 0;
            } else {
              // nothing
            }
          } else {
            let tabIndex = tabs.indexOf(focusedTab);
            if (tabIndex === tabs.length - 1) {
              // nothing
            } else {
              tabIndex++;
         