When working with DOM elements in React, you have two main approaches: using document.querySelector() (the traditional JavaScript way) or useRef (the React way). Here’s when and how to use each,….
The Importance of useCallback for Event Handlers in Child Components When passing event handlers to child components in React, failing to use useCallback can lead to performance issues. Here’s what….
Mutating props inside a child component in React is a common mistake that can lead to unpredictable behavior, bugs, and issues with React’s unidirectional data flow. Props are meant to….
Proper State Management in React Components A critical React anti-pattern is modifying state directly rather than using the proper state update methods. Here’s how to handle state correctly in both….
Optimizing Functional Components with React.memo React.memo is a powerful performance optimization tool that prevents unnecessary re-renders of functional components. Here’s how to use it effectively to boost your application’s performance…..
Testing hooks requires different approaches than component testing since hooks can’t be called outside of React components. Here’s a comprehensive guide to effectively testing both built-in and custom hooks. Testing….
The Rules of Hooks are a set of guidelines in React that must be followed when using hooks in functional components. These rules ensure that hooks work as expected and….
The useContext hook is a powerful hook in React that allows you to access the value of a context directly in a functional component, bypassing the need to pass props….
