public function init()
{
parent::init();
\Yii::$app->view->registerJsFile('/js/app/online.js', ['depends' => [AppAsset::className()]]);
}
/**
* @inheritdoc
*/
public function actions()
{
$actions = parent::actions();
$actions['error'] = ['class' => 'yii\\web\\ErrorAction'];
return $actions;
}