什么时候需要在页面顶部引入 react ? #1673
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vaynevayne
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如果是自建配置可以看下这个:https://zh-hans.legacy.reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html#manual-babel-setup |
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业务项目报错

以前需要在顶部引入react, 后来不是不需要了吗? 怎么知道何时需要, 何时不需要啊?
.md 文件里使用组件是正常的, 业务项目引入就各种报错
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