#React #原理 #文章 子组件的 useEffect 会在父组件的 useEffect 之前执行，这是由于 React 的深度优先遍历算法。
https://frontendmasters.com/blog/react-internals-which-useeffect-runs-first/
https://frontendmasters.com/blog/react-internals-which-useeffect-runs-first/
master.dev
React Internals: Which useEffect runs first?
It's not particularly obvious, but a child's useEffect will run before a parent's will. Let's look at why.
