What is the useId hook and how does it improve accessibility
· React
Learn how React's useId generates stable, unique identifiers for accessibility attributes and form labeling.
Category: React
50 questions in React.
How to use useDeferredValue to defer expensive re-renders
· React
Keep input fields responsive by deferring updates to slow parts of the tree using React's useDeferredValue hook.
How to prevent XSS and secure a React application
· React
A security checklist for React apps covering XSS prevention, CSP headers, safe URL handling, and dependency auditing.
How to use Web Workers with React for heavy computations
· React
Offload CPU-intensive tasks from the main thread by integrating Web Workers into your React application.
How to safely use dangerouslySetInnerHTML in React
· React
Learn when and how to use dangerouslySetInnerHTML, the risks of XSS, and how to sanitize content before rendering.
What is the React Fiber architecture
· React
Get an overview of React Fiber, the reconciliation engine that enables incremental rendering, suspense, and better scheduling.
How to use useTransition for non-urgent UI updates
· React
Learn how React's useTransition hook keeps the UI responsive by marking state updates as non-urgent and showing pending states.
What is React Strict Mode and why should you use it
· React
Discover how React Strict Mode helps detect side effects, unsafe lifecycles, and deprecated patterns during development.
How React reconciliation works under the hood
· React
Learn how React's diffing algorithm compares virtual DOM trees and decides what to update, add, or remove efficiently.
What is React hydration and how does SSR work
· React
Understand server-side rendering in React, how hydration attaches event listeners to pre-rendered HTML, and common pitfalls.