? ?? ??? ??? ???.
???? updateCoords 方法更新 prop coords ?? ??? ???? ??? ??????.
Uncaught TypeError: ???? ?? ??? ??? ? ????(set '??')
? ???? props ?? ???? ?????? ??? ??????
1
0
0
props? ?? ?????:
https://v3.vuejs.org/guide/comComponent-props.html#one-way-data-flow
? ?? ???? ??? ?????? v-model ??? ???? ???.
https://v3-migration.vuejs.org/break-changes/v-model.html#_3-x-syntax
![[? ?????] Node.js ?? ??](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
