React interview questions and answers to clear Frontend Interview 🔥| Mock frontend developer round

Are you preparing for a web developer interview for the ReactJs role ❓ Are you preparing for any frontend developer interview for any tech stack❓ This is the ultimate round 1 of the combination of multiple tech companies' interview questions for frontend developers or web developers in React.js profile. ⭐ In this video, I have invited my fresher friend and i am going to take interview him for round 1 for a React.js Developer role. We will cover all types of questions like - Data Structure and Algorithms, Html, Css, Javascript, Reactjs, and networking. This Video Covers ( Don't skip anything 🙏 ) ⭐ 00:00 - Interview Round Content 00:29 - How would you rate yourself in HTML, CSS & JS? 00:42 - Q1: What are new tags in HTML5? 00:51 - Candidate Q1 Answer 00:58 - Expert Q1 answer 01:26 - Q2: Should we Inject Div inside a Span tag? Will Html give an error? 01:36 - Candidate Q2 Answer 01:41 - Expert Q2 answer 02:13 - Q3: How to make a website responsive using CSS? 02:17 - Candidate Q3 Answer 02:55 - Expert Q3 answer 03:35 - Q4: 5 ways to center align an image inside a div element? 03:44 - Candidate Q4 Answer 04:25 - Expert Q4 answer 04:42 - Q5: What to use px vs rem vs em? 04:50 - Candidate Q5 Answer 05:22 - Expert Q5 answer 06:15 - Q6: Name all basic data types of Javascript? 06:26 - Candidate Q6 Answer 06:48 - Expert Q6 answer 07:13 - Q7: What is Event Delegation & Event bubbling? 07:19 - Candidate Q7 Answer 07:48 - Expert Q7 answer 08:37 - Q8: What are closures? Uses of Closures? 08:42 - Candidate Q8 Answer 09:02 - Expert Q8 answer 10:07 - Q9: Find the output Problem 1 10:12 - Candidate Q9 Answer 10:47 - Expert Q9 answer 13:04 - Q9 b: Find the output Problem 2 13:13 - Candidate Q9 b Answer 13:45 - Expert Q9 b answer 15:15 - Q10: What is the need for JS Frameworks? 15:35 - Candidate Q10 Answer 16:10 - Expert Q10 answer 17:45 - Q11: How do JS frameworks work in the background? 18:00 - Candidate Q11 Answer 18:17 - Expert Q11 answer 19:07 - Q12: Lifecycle Methods of React JS Components & Order? 19:15 - Candidate Q12 Answer 19:54 - Expert Q12 answer 20:49 - Q13: Difference between Pure Components vs High Order Components? 21:00 - Candidate Q13 Answer 21:24 - Expert Q13 answer 22:11 - Q14: Difference between State vs Props vs Refs? 22:20 - Candidate Q14 Answer 22:56 - Expert Q14 answer 23:55 - Q15: What are the latest versions of Reactjs and new features? 24:00 - Candidate Q15 Answer 24:50 - Expert Q15 answer 25:15 - Q16: Difference between Class-based vs Function/hooks-based components? 25:28 - Candidate Q16 Answer 25:50 - Expert Q16 answer 26:49 - Q17: What are Fragments in ReactJs? 26:22 - Candidate Q17 Answer 27:21 - Expert Q17 answer 28:15 - Q18: How can you maintain the State of an app in complex applications? 28:30 - Candidate Q18 Answer 30:15 - Expert Q18 answer 32:10 - Q19: Have you thought about implementing 2-way data binding? 32:19 - Expert Q19 answer 32:49 - Q20: What does async await get compiled into? 33:05 - Candidate Q20 Answer 33:13 - Expert Q20 answer 34:24 - Q21: How to call 5 APIs in parallel and do something after all 5 responses have come? 34:34 - Candidate Q21 Answer 35:10 - Expert Q21 answer 36:22 - Q22: Divide a website Ui into small components for JS framework. 36:31 - Candidate Q22 Answer 38:36 - Expert Q22 answer 39:05 - Q23: What happens in the background when I enter a website URL in the browser and hit enter? 41:00 - Expert Q23 answer 41:38 - DSA Question 1 44:00 - DSA Question 2 45:54 - DSA Question 3 ⭐ Useful Resources from the video:- 1) HTML 5 tags ► https://www.tutorialspoint.com/html5/... 2) CSS Flexbox ► https://www.w3schools.com/css/css3_fl... 3) 2-way data binding ► https://bit.ly/3e9sJCk 4) DSA question 3 ► https://leetcode.com/problems/longest... ⭐ Top 10 Technical mistakes in the Coding interviews (for frontend developers) ❌❌ ►    • Don't make these 10 TECHNICAL MISTAKES in ...   ➖➖➖➖➖➖➖➖➖➖➖➖➖ Follow me on: ❤️ Instagram:   / himanshu_khosla123   ❤️ Linkedin:   / himanshu-khosla-967581123   ➖➖➖➖ My Top Playlists ➖➖➖➖➖ ⭐ Frontend Development ► https://bit.ly/3pXh4cA ⭐ Frontend Skills For Everyone🔥 ► https://bit.ly/3R1fEtq ⭐ Software Developer Lifestyle Vlogs🔥 ►    • Software Developer Lifestyle Vlogs   ⭐ Data structure and algorithms🔥 ►    • Data structure and algorithms   web development,frontend development, html, css, reactjs,javascript,javascript interview questions,frontend skills, react js interview, fresher interview questions, react interview questions , react interview questions and answers, react interview questions 2022, react interview questions for experienced, react interview questions in Hindi, react interview questions 2021, react interview questions Edureka, react interview questions India, react interview questions and answers Hindi #JavascriptInterview #ReactInterview #ReactJS #frontenddeveloper