React Coding Interview Prep – 30 Questions and Answers

Prepare for a React interview or improve your React skills by learning about 30 common React JS interview questions and concepts. ✏️ Nishant Singh developed this course. Check out his channel:    / cybernaticobynishant   ❤️ Try interactive React courses we love, right in your browser: https://scrimba.com/freeCodeCamp-React (Made possible by a grant from our friends at Scrimba) ⭐️ Course Contents ⭐️ ⌨️ (0:00:00) Introduction ⌨️ (0:00:43) Map and Filter ⌨️ (0:20:06) States in React ⌨️ (0:33:33) Props in React ⌨️ (0:40:34) Inline Conditional Expressions ⌨️ (0:52:04) Event Handling in React ⌨️ (0:57:41) Keys in React ⌨️ (1:03:25) Forms in React ⌨️ (1:18:04) Dynamic Inputs in React ⌨️ (1:26:02) CSS Styling in React ⌨️ (1:36:47) Uncontrolled v/s Controlled Components ⌨️ (1:44:10) Virtual DOM ⌨️ (1:46:05) InnerHTML in React ⌨️ (1:55:23) React Fragments ⌨️ (2:00:02) Stateless v/s Stateful Components ⌨️ (2:01:57) REST API Requests ⌨️ (2:27:05) Debouncing in React ⌨️ (2:38:43) Context API in React ⌨️ (2:49:33) Class v/s ClassNames in React ⌨️ (2:52:59) Higher Order Components ⌨️ (3:06:18) Lazy Loading in React ⌨️ (3:14:34) Helper Functions in React ⌨️ (3:24:21) Implementing Recursion in React ⌨️ (3:27:10) Running Arrays of Functions ⌨️ (3:33:08) Custom Hooks in React ⌨️ (3:37:22) Promises and Async/Await ⌨️ (3:51:52) Code Splitting in React(Dynamic Imports) ⌨️ (3:58:18) Creating a Search Filter in React ⌨️ (4:13:10) Adding TypeScript to React ⌨️ (4:16:36) React Testing Library ⌨️ (4:30:41) Caching an API Response 🎉 Thanks to our Champion and Sponsor supporters: 👾 Raymond Odero 👾 Agustín Kussrow 👾 aldo ferretti 👾 Otis Morgan 👾 DeezMaster -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news