A useEffect polyfill is typically used in React applications to ensure compatibility with older browsers or environments that do not support the useEffect hook natively. Here's a summary of how you can create a custom useEffect polyfill:
Understanding useEffect:
useEffect is a hook in React that allows you to perform side effects in function components. It replaces lifecycle methods like componentDidMount, componentDidUpdate, and componentWillUnmount in class components.
Polyfill Requirements:
To polyfill useEffect, you need to replicate its behavior using other hooks or JavaScript features that are available in the environment you are targeting
React Interview Question on building the Polyfill of useEffect Hook or its custom implementation will be created in this video along with tips and tricks to tackle your React JS and JavaScript Questions in Frontend Machine Coding Interviews. This video helps you in understanding why you should not use JSON.stringify. In most of the tutorial people use stringify but that's wrong. Please avoid it. Use Object.is to compare the dependencies.