React js - Top 30 Interview Questions and Answers for Beginners
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In Hindi Top 30 React
• Top 30 React Interview...
Timestamps -
00:00:00 - Introduction
00:01:46 - Q1. What is the role of React in software development?
00:04:22 - Q2. What is React?
00:04:50 - Q3. What is SPA(Single Page Application)?
00:06:30 - Q4. What are the advantages of React?
00:08:23 - Q5. What are disadvantages of React?
00:09:55 - Q6. What is the difference between React and Angular?
00:12:47 - Q7. What is DOM?
00:15:03 - Q8. What is the difference between DOM and Virtual DOM?
00:18:54 - Q9. What are React Components?
00:19:44 - Q10. How to setup react project?
00:22:45 - Q11. What is npm? What is the role of node_modules folder?
00:23:59 - Q12. What is the role of public folder in React?
00:24:44 - Q13. What is the role of src folder in React?
00:25:23 - Q14. What is the role of index.html page in React?
00:26:35 - Q15. What is the role of App.js file in React?
00:27:47 - Q16. What is the role of function and return inside App.js?
00:28:20 - Q17. Can we have a function without return inside App.js?
00:29:01 - Q18. What is the role of export default inside App.js?
00:30:25 - Q19. What is the role of index.js file, ReactDOM and render method in React?
00:33:48 - Q20. How React App load and display the components in browser?
00:35:26 - Chapter 3
00:36:08 - Q21. What is JSX?
00:36:59 - Q22. What are the advantages of JSX?
00:39:17- Q.23 Can browser read a JSX File? What is Babel?
00:40:25 - Q24. What is Transpiler?
00:41:03 - Q25. Is it possible to use JSX without React?
00:41:37 - Q26. What is fragment in React?
00:43:21 - Q27. How do you iterate over a list in JSX? What I is the use of map method?
00:45:40 - Q28. What are props n JSX?
00:46:28 - Q29. What are spread operator?
00:47:48 - Q30. What are the types conditional rendering in JSX?
Sir I don't know if you'll ever read my comment or not, but if you do, know that, you have successfully helped a student who was not getting a job, land a job at exactly the field he wanted to work in, that is react, and the credit goes to your video. Thank you so much for that.
It's my pleasure my friend. I am very grateful for your kind words @roast5077
Bro, can u tell what kind of react project is good for resume? Plzz help me bro, i am in big trouble, wont waste much of your time
Hey bro.. is there any chance of texting you in private. I need some inputs.. Please help me out
Congrats! May I ask which questions were asked to you? Currently preparing for a Technical interview tomorrow :(( Thanks a lot!
@@blank.harukahey hi, how is your interview went and may I ask for what questions were asked? TIA
I have seen couple of other tutorials for React interview prep before coming to this one. But none of them were informative and simple as your lecture. Thank you so much for putting effort for helping people like me. Thank you so much.
Super thanks.... . I wish you all the best for your career.
Yes, new series required. And thank you so much for this Gem.
Your content's value is appreciated; it's immensely helpful for interview preparation due to its insightful and well-structured coverage. Thank you.
Glad it was helpful! @shivam
sir aap bahut acchha samajte hai ....
mene notes bhi bana liye....
mene javascript ka 3hour bala video dekh ke , me confident feel kr rha hu..
THANKS FOR MAKING VIDEO...
SIR PLEASE MAKE A NODEJS VIDEO , as sooon as
I can say only one thing about this playlist, this is just perfect 🙂👍 waiting for more of such videos.
Thank you so much 😀@bemeb41yashsakpak90
I'm at the beginning of learning react def not ready for interviews, but this video was still very informative and I feel like got a pretty good overall summary of everything I'll be needing to learn
Thanks Hasim and all the best for your career.
Amazing video, looking to forward to more!
Very short and sweet explanation but there is a great stuff. Really thank you so much for giving such a great content. You have that deserve to get the compliments from viewers . the person who gets scared to attend the interviews this video session makes them get confidence to attend the interviews.❤❤❤❤
woww.... thanks buddy. You made my day. I also need motivation for keep going and helping others. All the best for your career.
One of the best interview session........... Sir really awesome...... Best of best you are...... I learnt many things from you........ Which I didn't understand by other channels......... Supeb sir please do more and more videos on ReactJS hooks, how in project we use all this hooks....... Axios.........
you have done a great work please continue as like that your explanation way is too smart and attractive Thank you for this 👍
Appreciate the video. Well explained. Again, thanks a lot!
It is incredibly helpful sir, I was preparing for interview and searching for important questions on google but was so confused, you really helped a lot by providing all important questions in single video .Thank you sir
Thanks Vishnu. Glad you liked it. All the best for your career.
This is a boss video and important not only to get the job but understand React and its structure and workings to use it better. From my experience not that many employers actually test theory during interviews, but you might appear more professional if you demonstrate you know this.
I agree, things should be know conceptually. But theory is good for remembering the keywords which helps in creating impressions during interviews.
Thanks alot bro♥
I think this will be a good preparation for any react developer interview
Really really thank you for this sharing. It's very beneficial for me in particular and for the rest of FE engineer in general. 😃
Thank you for the clear explanation. I resonate with many of the points you've mentioned.
Excellent explanation! Thanks 🙏, waiting for some advanced videos on React :)
Soon, I will cover. Best of luck for your career.
I am preparing for interviews and this video is of great use. Please make part 2 for react and js as soon as possible. Your happy subscriber after subscribing to interview happy❤
Good one
Superb video for the beginners and the who is preparing for interview. never seen such a wonderful video
Such a high quality content, love it
Thanks. Glad you liked it. Wish you all the best for your career.
Hello Sir, Your interview video series is really great it helps me a lot to clear the concepts, please make more videos on Advanced React js, Node js, and AWS services, keep making videos like this Thank you 🙂👍
Sure Akshay. Slowly slowly I will cover more topics. All the best for your career.
@@interviewhappy i have a interview for full stack dev can you please share link of your mern dev interview questions ?
Thank you for providing us valuable interview questions…please also cover advanced react js interview questions such as state managements , important hooks , routing in react, local vs session storage , Usage of Redux with react etc
I saw your JavaScript and react interview questions, It was very helpful to take me to final rounds and now I got an offer. Thank you so much for making clear videos with examples😊.keep up the good work🎉.
I learnt so many things in a hour. Thank you so much!
Great video ! Please share a video covering advanced react interview questions such as state managements , hooks , routing, local vs session storage etc
Thanks. sure I will try to do it soon
Thanks a lot sir
This video means a lot for me
Your awesome teaching makes simplify the concepts
I knew you did lot of hard work
We can never forget you❤❤❤
Tears in my eyes. I know the simple ways. But I want the BEST and for that I work really hard.
So helpful, thank you my friend from across the other side of the planet ❤
Thanks buddy and all the best for your career.
Really sir ye video hm sabhi k vardaan h sir. Really dil ❤se love you sir 🙏🙏
Thanks so much for such kind words bhai @dollarpedia
Thank you for providing these questions👍👍 and waiting for advanced questions on reactjs video
Thanks and sure I will soon do it
Extremely Helpful ❤
Thank you for providing us valuable interview questions…please also cover advanced react js interview questions such as state managements , important hooks , routing in react, local vs session storage , Usage of Redux with react etc
Hey hi,
Do u know any website or article which covers all possible interview questions for react?
@@VKY-XLR8did you get other advance react interview questions
Sir enjoyed this playlist. It was short n sweet and knowledgeable too. I request you to please make another playlists for hooks, states etc. interview questions...
Noted, Will try to do it soon @Ramesh
Thank you so much ❤ waiting for next video on React
Thanks Naveen. Glad you liked it. Soon I will create one detail video. All the best for your career.
Sir your explanation is simple and easy to understand please do one more video on hoot and some other topics also...i am waiting,i need it sir
This video helps me on my presentation. I just prepared this video and done my whole presentation. Happy sir make more tutorials on react. It helps a lot... Thank you this one...
All the best @nayan
Thank you for your kind efforts!. Good tutorial for preparing interviews. Thanks again...!
Glad you like them! Keep watching for new Tutorials @user-jo8dg2ft7j
Truly amazing video, thank you :)
wc and and all the best for your career.
The best video on youtube for React.Js interview. Really Thanks a lot sir ♥
The best comment award for today goes to Mr Fit. Loved your comment dude.
Omg, 😳, what is this bro. Never seen such a video on React as of now. My sincere kudos to you nd your hardwork will get noticed definitely by lot more people. Excellent video, nd crystal clear on each concept. Superb bro, pls do more nd more videos like this.
Thanks for appreciating my efforts @ narendra
Excellent style of teaching. Thank you for making ReactJs so easy to learn.
Glad you think so! Thanks for appreciating @tarun8336
Excellent explanation! Thanks 🙏, waiting for advanced videos on React
Glad you liked it . Will upload soon . Thanks @ Sachinkolekar
thank you so much for this ❤ prepping for tomorrow's interview. I hope I'm gonna crack it
You will crack it. All the best Sharan.
This video is very helpful to Reacall The learning Data again.Thank You so Much .🌹
wc Abdul. All the best for your career.
Yes we want next video in this series
Sir your questions and explain is superb really heartily thank you so much
Very good video for a beginner interview
Awesome sir. super video. it is help me lot. async await for new React js video. please update. we are waiting. 🤩🤩🤩👍👍👍👍
one of the best react video, want 2nd part
Sure, soon I will try to. All the best for your career.
Thank you Sir for the amazing content and I am waiting for your next video on React concepts. Please upload soon.
As soon as possible @shikha
Sir, it's superb series ❤ pls make more videos on React interview (Hooks) etc
Will try to do soon @atulghisali4177
just hits the thumbs up and subscribed ....you deserve it... on monday its my interview ... i'll let you know the result
😀Thank you so much sir, please continue the series.
Sure 👍 @user-or6on7tx5h
Hello Sir, Thank you for making such a valuable interview question. Could you please also make practical coding interview questions in Reactjs and Redux?
Sir please also cover the questions on React hooks, usestate, useeffect as it more important for interview
Thank you sir. You are great.
perfect content for my next interview . i hope i will pass the interview . thank s for your work it mean a lot to me
Best of luck!
Super Good Illustration sirji
Really refreshing concept you explained!!!
Thanks Mamini. Wish you all the best for your career.
Thanks for providing important interview questions.
I think anyone who wants to learn React should go through this video first. This video will make a strong base of React in his/her mind.
Thanks for appreciating my efforts @shaharyalbeg9871
Bro you are a saviour, you earned a subscriber
Thanks for the sub! @athulkrishnac.v8563
Your question and way to explain for each topics are superb thanks sir
Thanks and welcome @rishi
Hi Sir, Hope your are doing good, Appreciate all your effort to help us cracking the interview...
I am dot net developer and now a days preparing for an interviews and facing some challenges those are...
1=> Unable to proper answer about coding test, like Write a Program for Palindrome, Write a Program to short number given by user and odd number should be ascending order and prime number should be descending order etc....
2=> Scenario based question like real example of abc ... xyz....
Its my humble request, please make few videos on above topic .
Thanks
Sure Amit, I will try to include these questions in future
@@interviewhappy thanks sir
Hello sir it was a good video, hope you will come up with advanced topics of react interview questions...
Hello @manjeetyadav2694 sure will try to update soon.
Very Appreciated. Thank you. So much
You are very welcome @THDBookReview
Thank you sir to explore details in react js interview question
wc and all the best for your career.
Thank you so much for this!
You're so welcome @teflonhav
Really Awesome.
this video was amazing. Thank you so much!
You're so welcome!
great content easy to understand. thanks a lot😊
Glad it was helpful! Thanks for appreciating @verma5401
thank you for the clear explanations.
You are welcome@ brother
Hello Sir.. Hearty thanks for this video.. helped me a lot to learn the basics.. kindly post more videos for in advanced concepts in react JS
Thanks surly will try to do it @rafique
Is that spread operator or Rest operator? (…) used in param is Rest Operator and spread operator are used to expand elements of array or json.
Good job sir ...❤
Appreciated sir please make a video on "HOW TO SECURE OUR FRONTED CODE & ALSO BACKEND IN WEB DEVELOPMENT".
really very useful and detailed explanation thank you, sir
Thanks Mouni and all the best for your career.
It is very helpful... thank you so much sir ❤😊
Most welcome 😊
Very nicely explained by you. Thank you so much.
You are most welcome
Hi Sir You did a very great job by making these interview question series. I have also seen the javascript question series It was also very helpful for interview preparation . Sir if you are looking into my messages. requesting you to make interview questions on React for experienced candidate or in the react advance concepts like hooks, HOCs, Context-APi etc. so that we can also easily prepare for the interviews. Thanks for sharing and Keep doing work. It is really helpful and covered every small topics as well Thankyou.
Thanks for the compliment. I always see messages. And in December I will launch React full video.
@@interviewhappy thaks Sir....... we are really waiting for you
Thank you so much sir this is really helpful ❤❤❤❤❤❤❤
Most welcome @nikhil
thank you a lot sir , this really helpful.
Hi Bro
Cracked one interview thanks, bro
Please add these questions also
1. Memo functions in JS
2. input 7.25 => output will be 7 1/4
3. Nested Promise Object
Thanks Sir 👍
😊
just incredible sir, thank you so much
Most welcome!
thank you so much sir.this videos are very helpfull expecting more videos realated to MERN stack web development
Will upload soon @sonasreedhar5867
Thank you so much sir😊
Fruit full content😁
Most welcome 😊 @radha
Learning become simple by your video
Thanks and all the best for your career.
Hi Happy,
here I m sharing my testimony, I got 4 offers by attending interview's after watching your videos. Now I have joined top 1 company in India. Thanks for your help.
Which company
Thank you for sharing this insightful video! It's been incredibly helpful in understanding interview concepts and their flow. I appreciate the effort you put into this. 🙌
I'd love to see more content from you, especially on advanced React.js concepts for interview preparation. It would be a great addition to your already valuable content. Looking forward to more! 👍"
Thanks Surresh. Sure React is my next target after JS. All the best for your career.
sir, it's a nice video and it's help a lot. i request you to make such video on NODE JS as well. Thankyou so much.
Thanks Alok. I will try do it soon.
Thank you so much..god bless you😊
You're welcome 😊
"This video is truly exceptional; it has provided me with an abundance of valuable insights and knowledge
Thanks. Glad you liked it. All the best for your career.
Thankyou so much sir. I cleared my interview becoz of you only😊
Most welcome
sir if angular uses real dom then for every small change full page will be loaded in angular? and angular wont use "diffing"?
you did good job'
love you sir .. from❣pakistan
Thanks and all the best for your career.
Thanks brother
Beautifully explained by you really tremendous 👌👌👌
Thanks and welcome @rosanpatra3703
nice, thank you for you time to make this video and helping developers
My pleasure@anjani
Your teaching is really superb sir🎉🎉🎉🎉🎉🥳👍🤝👏👏👏👏👏 Thank you so much sir
Thanks Tirumala. Wish you all the best for your career.
@@interviewhappy thank you sir