onDetached property
      
      EventStream<OnDetachedEvent> 
      get
      onDetached
      
    
    
Fired when a tab is detached from a window; for example, because it was moved between windows.
Implementation
EventStream<OnDetachedEvent> get onDetached =>
    $js.chrome.tabs.onDetached.asStream(($c) => (
          int tabId,
          $js.OnDetachedDetachInfo detachInfo,
        ) {
          return $c(OnDetachedEvent(
            tabId: tabId,
            detachInfo: OnDetachedDetachInfo.fromJS(detachInfo),
          ));
        }.toJS);