Hooks vs Class Components Class Components: Use state and lifecycle methods inside ES6 classes. Hooks (Functional Components): Use useState, useEffect, and other hooks in functions for state and side effects.…

What Are React Portals? React Portals allow you to render a component outside the parent DOM hierarchy while maintaining the React tree.Useful for modals, tooltips, or overlays. Basic Syntax ReactDOM.createPortal(child,…

React Memo vs useMemo vs useCallback React.memo: Wraps a component to prevent unnecessary re-renders if props are unchanged. useMemo: Memoizes computed values to avoid recalculating on every render. useCallback: Memoizes…