need to know something about setting a default value while using useState hook
const [alertBody, setAlertBody] = useState();
You need to set it in useState args.
const [alertBody, setAlertBody] = useState('DEFAULT VALUE');
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.