UseEffect vs UseLayoutEffect

  Image credited As a React Developer, it's important to understand the difference between useEffect and useLayoutEffect hooks in React. Understanding them gives a better picture of how these two hooks work and when we can use them! Both useEffect and useLayoutEffect are React hooks that allow you to run code after rendering a component. However, the main difference between the two hooks is when they run. What is the difference between a useEffect and a useLayoutEffect? A useEffect is called a “post-render” hook, meaning that it doesn’t prevent the browser from painting the screen. For example, you would use a useEffect to fetch data from the API, update a component’s state, or set up an event listener. A useLayoutEffect is a hook that is called “pre-render”, meaning that it’s used before the browser can paint the screen. In other words, it prevents the browser from changing the screen’s size or position until the code within the hook is finished running. For example, you might use...