index.js:1375 Warning: Functions are not valid as a React child. This may happen if you return a Component instead of <Component /> from render. Or maybe you meant to call this function rather than return it. in A (at App.js:9) in div (at App.js:8
index.js:1375 Warning: Functions are not valid as a React child. This may happen if you return a Component instead of <Component /> from render. Or maybe you meant to call this function rather than return it.
? ? in A (at App.js:9)
? ? in div (at App.js:8)
? ? in App (at src/index.js:5)
報(bào)錯(cuò)了
2021-08-02
App.js不引入A.js
2021-08-02
App.js不引入A.js
2019-12-08
貼代碼，看你代碼才知道那里有問題