code: function _Debugger_scroll(popout) {
      return _Scheduler_binding(function(callback) {
        if (popout.b) {
          var msgs = popout.b.getElementById("elm-debugger-sidebar");
          if (msgs) {
            msgs.scrollTop = msgs.scrollHeight;
          }
        }
        callback(_Scheduler_succeed(_Utils_Tuple0));
      });
    }
docs: SCROLL