# useUnMount$() > * 如有錯誤處指正或任何建議,懇請留言,感謝! > * 搭配 ChatGPT 進行翻譯,請小心服用 > * ▸ ... 為英文原文 :::spoiler ... \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- --- THIS API IS NOT IMPLEMENTED YET. SHOWING HERE JUST TO GET THE GENERAL DIRECTION WE ARE TAKING. \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- --- Use `useUnMount$()` to run cleanup code when the component is removed. ::: ###### tags: `Lifecycle Hooks`