useEffect() - 深入探讨
原文英文,约1000词,阅读约需4分钟。发表于: 。Disclaimer: I used this blog to see my understanding of useEffect that i learned from other blogs as well as videos, if someone else is reading this, to test your knowledge you can learn about...
useEffect是React中的钩子,用于处理副作用,如发送HTTP请求或修改全局变量。它接受两个参数:设置函数和依赖数组,后者决定何时重新运行useEffect。若依赖数组为空,useEffect仅在首次渲染时执行。