React.memo() is a higher-order component (HOC) in React that helps optimize the performance of functional components by preventing unnecessary re-renders. It works by memoizing the rendered output of a component….
The Virtual DOM is one of React’s core features that enables it to efficiently update the actual DOM. It serves as an in-memory representation of the real DOM, which React….
React Suspense is a powerful feature in React that allows developers to manage asynchronous operations like data fetching, code splitting, and more, in a way that keeps the UI responsive….
React DevTools is an essential tool for diagnosing performance issues in React applications. One of its most valuable features is the ability to identify unnecessary component re-renders that can degrade….
The Event Emitter pattern is a powerful design pattern used in various programming environments, including Node.js and front-end frameworks like React. It allows different parts of an application to communicate….
Jotai is a modern state management library for React that takes inspiration from Recoil’s atomic model but with a simpler API and smaller bundle size. It’s particularly well-suited for applications….
Zustand is a small, fast, and simple state management library for React. It is designed to be a lightweight alternative to other state management libraries like Redux or MobX. Zustand….
Handling asynchronous operations like fetching data, submitting forms, or dealing with side effects in React often involves managing state for loading, success, and error scenarios. Writing a reusable custom hook….
In React, custom hooks allow you to encapsulate reusable logic, making it easier to maintain and share stateful logic between components. However, poorly optimized custom hooks can lead to performance….
In React, handling cleanup of side effects is essential to prevent memory leaks and ensure that resources like network requests, event listeners, or timers are properly cleaned up when a….
