[1、 react用的版本，原理。](1%E3%80%81react%E7%94%A8%E7%9A%84%E7%89%88%E6%9C%AC%EF%BC%8C%E5%8E%9F%E7%90%86%E3%80%82.md) [2、为什么要impoer React？](2%E3%80%81%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81impoerReact%EF%BC%9F.md) [3、状态管理库。我用recoil，怎么用，原理，其他，redux，原理。](3%E3%80%81%E7%8A%B6%E6%80%81%E7%AE%A1%E7%90%86%E5%BA%93%E3%80%82%E6%88%91%E7%94%A8recoil%EF%BC%8C%E6%80%8E%E4%B9%88%E7%94%A8%EF%BC%8C%E5%8E%9F%E7%90%86%EF%BC%8C%E5%85%B6%E4%BB%96%EF%BC%8Credux%EF%BC%8C%E5%8E%9F%E7%90%86%E3%80%82.md) [4、手写useFetch](4%E3%80%81%E6%89%8B%E5%86%99useFetch.md) [4、给出一个promise数组，写一个方法按顺序执行。](4%E3%80%81%E7%BB%99%E5%87%BA%E4%B8%80%E4%B8%AApromise%E6%95%B0%E7%BB%84%EF%BC%8C%E5%86%99%E4%B8%80%E4%B8%AA%E6%96%B9%E6%B3%95%E6%8C%89%E9%A1%BA%E5%BA%8F%E6%89%A7%E8%A1%8C%E3%80%82.md)