ReactJs Interview | 🎉 Selected | ReactJs & JavaScript | Experienced

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Dev. Aditya

Dev. Aditya

Күн бұрын

#reactJs #interview
JS Questions asked in this interview are:
1). What is hoisting in JS?
2). How it works?
3). Does hoisting work with all the variables, and Why?
4). Diff. b/w "let" and "var"?
5). What is Event Loop?
6). What is the precedence in Event Loop? ( between Promise() and setTimeout() )
7). What is the Diff. b/ "setTimeout()" & "setInterval()"?
8). What are the ES6 features you have used?
9). Where do you mostly use Rest Operator?
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Пікірлер: 503
@DevAditya
@DevAditya 2 жыл бұрын
Join Telegram group - t.me/Reactjs_Interview instagram.com/dev.roshan_ Please don't judge and comments on my answers. This is just the interview experience and If you know the right answers please comment below which can also help others.
@jiteshjoshi8170
@jiteshjoshi8170 2 жыл бұрын
Of how many years experience you have ? When you was interviewed ??
@DevAditya
@DevAditya 2 жыл бұрын
@@jiteshjoshi8170 2+
@haialex123
@haialex123 2 жыл бұрын
Well done bro.. but I would suggest you not to disclose interview recordings online.
@jiteshjoshi8170
@jiteshjoshi8170 2 жыл бұрын
@@haialex123 why ??
@haialex123
@haialex123 2 жыл бұрын
@@jiteshjoshi8170 we are not supposed to record the interview without consent.
@vishwanath-ts
@vishwanath-ts Жыл бұрын
Timestamps: 0:56 What is Hoisting in JS? 1:16 How it works? 1:44 What is difference between let and var? 2:17 What is Event Loop? 2:47 What is precedence in Event Loop? 3:29 What is difference between setTimeout and setInterval? 4:27 Where do you use Rest Operator? 5:36 Have you heard of array.reverse? 6:03 What is meant by Shallow copy and Deep copy? 7:11 What are Closure? 8:08 Have you used reduce function in JS? 8:19 What is the difference between map and reduce? 9:24 What are the parameters map function accepts? 9:49 What is difference between a Promise and a Callback? 10:23 What position attributes in CSS have you used? 10:35 What is the difference between them? 12:32 What is Flexbox? 13:13 What is difference between display=none and visibility=hidden? 13:48 What are the Hooks you have used? 14:34 What is the purpose of useCallback? 14:48 What are Class based Lifecycle methods? 16:37 How would you be able to achieve componentDidMount, componentDidUpdate & componentDidUnMount in functional based component? 17:58 What are Pure Components and its purpose? 19:27 What are Higher Order components? 20:07 What HOCs have you used? 20:29 Have you used Context API? 20:46 Already have state management in React, so why go for Redux? 21:06 How Redux works? 22:27 Have you used any Middlewares? 22:42 What is the purpose of using middlewares?
@Unknown15605
@Unknown15605 Жыл бұрын
Thanks for summaries!
@digambarholgunde8835
@digambarholgunde8835 6 ай бұрын
Thanks
@WG26Gaming
@WG26Gaming 2 ай бұрын
thanks for the summary brother
@vishwanath-ts
@vishwanath-ts 2 ай бұрын
@@WG26Gaming My pleasure
@CrazyAshu34
@CrazyAshu34 11 ай бұрын
1. What is hoisting in US? 2. How does it work? 3. What is the difference between let and var? 4. What is the Event Loop? 5. What is precedence in the Event Loop? 6. What is the difference between setTimeout and setInterval? 7. Where do you use the Rest Operator? 8. Have you heard of array.reverse? 9. What is meant by Shallow copy and Deep copy? 10. What are Closures? 11. Have you used the reduce function in JS? 12. What is the difference between map and reduce? 13. What parameters does the map function accept? 14. What is the difference between a Promise and a Callback? 15. What position attributes in CSS have you used? 16. What is the difference between them? 17. What is Flexbox? 18. What is the difference between display=none and visibility=hidden? 19. What Hooks have you used? 20. What is the purpose of useCallback? 21. What are Class-based Lifecycle methods? 22. How can you achieve componentDidMount, componentDidUpdate & componentDidUnMount in a functional-based component? 23. What are Pure Components and their purpose? 24. What are Higher Order components? 25. What HOCs have you used? 26. Have you used the Context API? 27. You already have state management in React, so why go for Redux? 28. How does Redux work? 29. Have you used any Middlewares? 30. What is the purpose of using middlewares? -Go Get the job- 😅😅😅😅😅😅😅
@Yahoo_marathi
@Yahoo_marathi 14 күн бұрын
Hoisting hv same meaning in India as well as India
@KrishnaDasPC
@KrishnaDasPC 2 жыл бұрын
Understanding fundamental concepts are important than remembering syntax. Also How to google well is an underrated skill.
@sankhojjalchatterjee
@sankhojjalchatterjee 2 жыл бұрын
Hosting works for all var, let and const. It's just variables defined by let and const are in temporal deadzone which cann't be accessible hence we get error. Else all three(var,let,const) are hoisted.
@DevAditya
@DevAditya 2 жыл бұрын
Thanks for explaining
@sonuprajapat7789
@sonuprajapat7789 2 жыл бұрын
Akshay Saini
@amitmahato6404
@amitmahato6404 2 жыл бұрын
why var doesn't go to the temporal dead zone
@1Ve4gaming
@1Ve4gaming 2 жыл бұрын
You great give me some experience sir
@nirajpatil9040
@nirajpatil9040 2 жыл бұрын
No it's only works for var
@webdev1719
@webdev1719 Жыл бұрын
Thank you. I paused every question and tried to answer it myself. The once i couldn't answer learned it before resuming to the answer. I felt like i had gone through an interview myself.
@DevAditya
@DevAditya Жыл бұрын
Appreciated 👍👏 Instead of judging you learnt from it. ❤️
@ozzyfromspace
@ozzyfromspace 2 жыл бұрын
For the deep copy question, the main idea is that if an object (say an array) contains another object (say, ...well, um, an Object), doing a copy such as Array.from, or rest restructuring, or whatever, will only create a new object in the sense that all primitive contained values will be new. However, all child objects will continue to be referenced from the original object, so modifying such a child object affects the original object. This is a really tricky bug if you're not aware of this behavior. Deep copying refers to any of a series of methods that ensure that a copy of an object does not contain any child elements that reference other objects outside the newly created parent object. The simplest way I know to do a deep copy is JSON.parse(JSON.stringify(YOUR_OBJECT)). The idea here is, however Nast your object is, you just turn it into a simple string. Strings are quantified by value, they don't know where they came from, so it breaks any reference to the original object. So JSON.stringify turns your deeply nested object into a string, and JSON.parse turns that string back into an object, but a completely new one this time. Another way you could go about this is to build a custom recursive function that can crawl the entire data-structure and do your deep copy that way. An example is non-trivial, so I won't try. The JSON method is relatively slow, but in practice, if you're working with small, deeply nested objects, you'll be okay. Better yet if you perform deep-copies infrequently. In practice, you can often get away with a shallow copy (i.e., something along the lines of {...my_object} or [...my_array]) but it's good to be aware of this behavior. Also, because this is a react interview, I'll also mention that in react, we work with state, and state is typically destroyed at the end of every render, and a new state is created at the beginning of the next render cycle. Further, react is actually quite opinionated mutating states (i.e. you don't!), so it's unlikely that you'll generate a bug like this in the course of working on your project. Hopefully, this helped someone see why this is actually a very interesting question. btw, I recommend opening your console for a few minutes right now. Make a simple nested object and play around with restructured copy (es6 style). You'll see that shallow copies are a thing :) edit: I took my own advice and played with shallow copy in the console. This got me interested in a recursive solution, so I wrote a generalized algorithm for doinga deep copy of an generic object: _____________ function deepCopy(obj) { const isArray = (arr) => Array.isArray(arr); const isObject = (obj) => typeof obj === "object" && obj !== null; if (isArray(obj)) { const finArray = []; for(let element of obj) { if (isArray(element) || isObject(element)) { finArray.push(deepCopy(element)); } else finArray.push(element); }; return finArray; } else if (isObject(obj)) { const keys = Object.keys(obj); const finObject = {}; for(let key of keys) { const element = obj[key]; if (isArray(element) || isObject(element)) { finObject[key] = deepCopy(element); } else finObject[key] = element; }; return finObject; }; return obj; }; ________
@DevAditya
@DevAditya 2 жыл бұрын
Thanks for explaining in details
@apnagamer61
@apnagamer61 2 жыл бұрын
Aisa mat likho varna KZbin wale limit lga denge comment par Practical ki yaad dilati hai video😂😂
@ravirachchh4062
@ravirachchh4062 2 жыл бұрын
Json stringyfy method doesn't work when we have datetime in object. We have to use 3rd party library or custom functions
@PrinjuVaidyan
@PrinjuVaidyan Жыл бұрын
Wtf
@dastaan3468
@dastaan3468 Жыл бұрын
Loop over the object, check if nested value is a reference value, spread the value in your new object. You're basically flattening an object and array.
@phoneix24886
@phoneix24886 2 жыл бұрын
Microtasks in c++ libuv library of V8 have higher precedence over macrotasks. So at each loop run, event loop first checks the micro task queue and then the macrotask queue. Promise.then spawns microtask, setTmeout spawns macro.
@gamezone43
@gamezone43 2 жыл бұрын
Es6 have Let and const Arrow function Spread and rest operator Destructing Map, reduce and filter Promises
@zahidshaikh3122
@zahidshaikh3122 Жыл бұрын
Bro the way you spoke with confidence, grew a lot of confidence in me too... Thanks!
@DevAditya
@DevAditya Жыл бұрын
Thank you 😊
@gyanendrak874
@gyanendrak874 2 жыл бұрын
Except shallow copy and deep copy i knew every answer.😁. Thanks for the video ☺️. It was really helpful
@DevAditya
@DevAditya 2 жыл бұрын
Glad it helps 🙂 Keep supporting 😊
@bryxxdore4150
@bryxxdore4150 2 жыл бұрын
You wont be able to answer under pressure
@umairahmedofficial1
@umairahmedofficial1 2 жыл бұрын
Yes, same... Plz suggest me ı'm not getting job in react js how to prepare for interviews
@alloverworld6528
@alloverworld6528 3 ай бұрын
Abb lagi job ki nahi?​@@umairahmedofficial1
@devraj-mb5ml
@devraj-mb5ml 2 жыл бұрын
most of them are getting depressed after watching this video because every viewer want this much knowledge
@usamasaleem5624
@usamasaleem5624 2 жыл бұрын
The interview is so clean and to the point and not hard but when i go to any company to give interview they ask me too much difficult question that's hard to aanswer without google. Everything is possible just need to search on Google and stack overflow
@gullukumar4497
@gullukumar4497 2 жыл бұрын
Interviews like this aren't for Google searching. Interviews are like this are to check if you know things or not. This interview was nothing more than a generic themed interview one sees in daily development.
@EngineBoy
@EngineBoy Жыл бұрын
hoisting works for let, const and var but while using let and const it creates a temporal dead zone where we cannot access these variable and in that scenerio you will get reference error and javascript is sitll aware of that variable but only make restrictions of using it at TDZ
@421prateek
@421prateek 2 жыл бұрын
Great interview, you answered almost all questions correctly
@DevAditya
@DevAditya 2 жыл бұрын
Thank you 😊
@sourabhkejriwal5762
@sourabhkejriwal5762 2 жыл бұрын
I would say most answers are partially correct...you could only crack junior interview with this.
@gullukumar4497
@gullukumar4497 2 жыл бұрын
@@sourabhkejriwal5762 Haan Bhai sahi kaha. Questions perf, Accessibility and general system design pucha nehi. And most question rattu tota wale the.
@tushargamingtech6375
@tushargamingtech6375 Жыл бұрын
Mostly media query se website responsive hotaa hai. Flexbox mein aap sirf navigation part ko adjustment kartey ho. It is basically use for adding smoothness & it is easy to use tool for handling texts, images with the respective to it's contents. Media queries ke binaa website responsive nhi ho saktaa hai. It's difficult to create an responsive website without media queries.
@Narayanasuri08
@Narayanasuri08 2 жыл бұрын
useCallback and useMemo are both used for memoization. useCallback returns a function, useMemo returns a value. Great interview btw 👍🏼
@gullukumar4497
@gullukumar4497 2 жыл бұрын
@Himanshu Patel arey bhai reactjs ki docs dekh le
@shilashm5691
@shilashm5691 2 жыл бұрын
There are two types of queues micro task queue and macro task queue .so micro task queue holds promises and macro task queue holds setTiemout, setInterval.so the event loop give the precedence for micro task queues
@DevAditya
@DevAditya 2 жыл бұрын
Thanks for explaining
@nirajmehta4226
@nirajmehta4226 2 жыл бұрын
Hoisting happens in let and const as well. But there scope is not global so we gets error while accessing
@DevAditya
@DevAditya 2 жыл бұрын
Thanks for explaining
@mrreddy1610
@mrreddy1610 Жыл бұрын
What is Hoisting in JS? How it works? What is difference between let and var? What is Event Loop? What is precedence in Event Loop? What is difference between setTimeout and setInterval? Where do you use Rest Operator? Have you heard of array.reverse? What is meant by Shallow copy and Deep copy? What are Closure? Have you used reduce function in JS? What is the difference between map and reduce? What are the parameters map function accepts? What is difference between a Promise and a Callback? What position attributes in CSS have you used? What is the difference between them? What is Flexbox? What is difference between display=none and visibility=hidden? What are the Hooks you have used? What is the purpose of useCallback? What are Class based Lifecycle methods? How would you be able to achieve componentDidMount, componentDidUpdate & componentDidUnMount in functional based component? What are Pure Components and its purpose? What are Higher Order components? What HOCs have you used? Have you used Context API? Already have state management in React, so why go for Redux? How Redux works? Have you used any Middlewares? What is the purpose of using middlewares?
@techsauce2706
@techsauce2706 9 ай бұрын
at 2:31 , wrong ... javascript uses the call stack but not the FIFO rather LIFO principle. Don't know how he got selected??? Also js uses one call stack and one memory heap and executes one operation at a time ( single - threaded).
@sentindr1404
@sentindr1404 2 жыл бұрын
The interviewer himself sounds like a candidate! 😂 Candidate sounds like the Boss! Maybe the interviewer is a confused jio/airtel customer taking to customerCare staff 😂
@arunsoni5471
@arunsoni5471 2 жыл бұрын
Sahi 👌👌👌
@sentindr1404
@sentindr1404 2 жыл бұрын
@@DevAditya where can i follow you?
@DevAditya
@DevAditya 2 жыл бұрын
@@sentindr1404 telegram t.me/React_JS_India Instagram instagram.com/dev.roshan_
@chulbulpandey7188
@chulbulpandey7188 3 ай бұрын
I think this video is recorded by the candidate 😂😂😂
@mrlloyd149
@mrlloyd149 3 ай бұрын
Indians saving our careers again🎉🎉🎉. Many thanks!
@DevAditya
@DevAditya 3 ай бұрын
Glad you liked it 🙃
@kshitizshah6685
@kshitizshah6685 2 жыл бұрын
I think memorize in react is responsible for cache storing and improving performance
@musa7801
@musa7801 8 ай бұрын
Please correct me if I am wrong memorize in react it is use to avoid re render component. We can use by useMemo(functional component name).. it change if state or props have changed
@pratikjagtap7413
@pratikjagtap7413 2 жыл бұрын
Let and const also hoisted but they are available in script memory
@mahboobbiswas4971
@mahboobbiswas4971 2 жыл бұрын
Amazing experience thanks for this video.
@DevAditya
@DevAditya 2 жыл бұрын
Glad it was helpful!
@rabindranathsarkar4502
@rabindranathsarkar4502 2 жыл бұрын
If you check javascript spec documents provided by ecma you will not find the word hoisting. It is coined by developer community. We all had wrong idea that javascript does not compile.
@sayansahoo4746
@sayansahoo4746 2 жыл бұрын
I have applied for EY multiple times, but my resume never got shortlisted. Received rejection mail. I have 3 years of react js experience. I applied 5-6 months back. Was it because i was working in startups back then and EY hires only those who has worked in reputed organisations? Because I don't believe my resume lacked anything. Any idea?
@DevAditya
@DevAditya 2 жыл бұрын
It may be rejected automatically by thier portal software, there must be lacking something on your resume. Try with a different format once.
@mrigankabora4835
@mrigankabora4835 2 жыл бұрын
Try contacting directly HR
@karna5171
@karna5171 2 жыл бұрын
Hire a resume builder, it is only because of your resume, the algorithm works for key terms
@gullukumar4497
@gullukumar4497 2 жыл бұрын
Try to get referral , referral works better and it naturally does not need to go through portal software
@shreyash8273
@shreyash8273 2 жыл бұрын
Is EY that good?
@shilashm5691
@shilashm5691 2 жыл бұрын
Function is fully hoisted and variables are partially hoisted in hoisted phase
@Alis404a
@Alis404a 2 жыл бұрын
Thanks for sharing your experience
@niklausmikaelson7332
@niklausmikaelson7332 2 жыл бұрын
Amazing interview it wil help in feature
@DevAditya
@DevAditya 2 жыл бұрын
Thank you
@rahulkumargautam3358
@rahulkumargautam3358 8 ай бұрын
at 20:46, i think interviewer wanted to hear about prop drilling, and data sharing problem (parent to child) in react. That is the main reason for using state management libraries like redux.
@musa7801
@musa7801 8 ай бұрын
Yes, to avoid props drilling we uses Redux 😂😂.. i think after 20min he forget all the features
@kondasomu
@kondasomu Жыл бұрын
bro, hoisting will happen for all the variables not only for 'var' keyword. for let and const values will store in separate memory location and will be in temporal dead zone.
@Roronoa1062
@Roronoa1062 Жыл бұрын
But that will give an Reference Error, which isiend of the day the same thing.
@maniac1441
@maniac1441 2 жыл бұрын
Good and very informmative. keep it up!😍
@DevAditya
@DevAditya 2 жыл бұрын
Thank you
@hiteshparashar
@hiteshparashar 2 жыл бұрын
0:20 Interviewer: Which version of React are you using Interviewee: I am using the latest one **silence Interviewer: Ok proceeds to asking next question
@DevAditya
@DevAditya 2 жыл бұрын
😂
@mohan2253
@mohan2253 2 жыл бұрын
😂😂
@GauravSharma-gc7mo
@GauravSharma-gc7mo 2 жыл бұрын
😂😂
@govindpolisetty7812
@govindpolisetty7812 2 жыл бұрын
I work in non tech job profile...I am not into technical jobs ...still i enjoyed listening to this interview because this person confidently answered all the questions ....
@DevAditya
@DevAditya 2 жыл бұрын
Thank you 🙃
@sakshiarora3565
@sakshiarora3565 Жыл бұрын
He lacks communication skills
@arihantjain8347
@arihantjain8347 2 жыл бұрын
Very clean 🙌
@heeru379
@heeru379 2 ай бұрын
2:28 Nope it's "Last in First Out" Method.
@sandeepkarumanchi8203
@sandeepkarumanchi8203 2 жыл бұрын
Is this interview is for fresher or sr developer?
@DevAditya
@DevAditya 2 жыл бұрын
experience
@poojasonawane3309
@poojasonawane3309 2 жыл бұрын
@@DevAditya how much experience do you have?
@DevAditya
@DevAditya 2 жыл бұрын
@@poojasonawane3309 2+
@SagarKumar-db2xy
@SagarKumar-db2xy 2 жыл бұрын
Let and const are also hoisted. You can check MDN documentation for the same. :)
@AbhishekKumar-vl3cb
@AbhishekKumar-vl3cb 2 жыл бұрын
When a variable is declared with "let" keyword, JS Engine hoist it and till it is not initialized the some value, the gap time between them is called Temporal Dead Zone.
@GauravTubeOfficial
@GauravTubeOfficial 2 жыл бұрын
@@AbhishekKumar-vl3cb namaste javascript 💯🌟
@kshitijvengurlekar1192
@kshitijvengurlekar1192 2 жыл бұрын
But they are in temporal dead zone and not accessible till the control comes on that line!
@SagarKumar-db2xy
@SagarKumar-db2xy 2 жыл бұрын
@@kshitijvengurlekar1192 Yes they are in temporal dead zones but saying they are not hoisted could be wrong. They are hoisted but just not the way VAR is.
@kshitijvengurlekar1192
@kshitijvengurlekar1192 2 жыл бұрын
@@SagarKumar-db2xy Agreed
@Sleepymess777
@Sleepymess777 Жыл бұрын
It was a good interview...ig i should start learning react becuz i felt like i can answer html css js questions 😅
@esportsnexus
@esportsnexus Жыл бұрын
Interviewer: Which version of React you're using ? This Guy: I'm using Latest version 😆😆😆😆😆😆😆😆😆😆😆😆😆😆😂😂😂😂😂😂
@DevAditya
@DevAditya Жыл бұрын
🤣
@sunilkumar-zf4dx
@sunilkumar-zf4dx Жыл бұрын
getDerivedStateFromProps() method is used when the state of a component depends on changes of props.
@mrnabby4178
@mrnabby4178 Жыл бұрын
Flexbox is used for responsive design? I thought flexbox is used to align things either horizontally or vertically. We use media queries for responsive design.
@sameershaik1298
@sameershaik1298 2 жыл бұрын
This is very helpful. If you can also update candidate work experience and CTC company is offering it's would be great.
@DevAditya
@DevAditya 2 жыл бұрын
Thank you
@BK-19
@BK-19 2 жыл бұрын
Deep copy & Shallow copy - Call by Value & Call by reference..
@Ranitdey
@Ranitdey 2 жыл бұрын
Now its clear
@Ash_20167
@Ash_20167 2 жыл бұрын
Thanks for sharing very helpful..! 🙌
@anuragnigam55
@anuragnigam55 2 жыл бұрын
Asking question like that you can just memorize the question and answer for interview.🤔🤔
@megalodon4272
@megalodon4272 2 жыл бұрын
Can i please know what position this was for and for how much ctc? Because im trying to asses the level of interview here and it seemed pretty mediocre. Ps- myself a SE with 1.25 years of experience
@DevAditya
@DevAditya 2 жыл бұрын
2+
@parth1450
@parth1450 2 жыл бұрын
2 crore?
@DevAditya
@DevAditya 2 жыл бұрын
@@parth1450 yes
@parth1450
@parth1450 2 жыл бұрын
@@DevAditya thik hai nai batana hai tho ...but aisa shock wala mazak bhi mat karo 😂
@DevAditya
@DevAditya 2 жыл бұрын
@@parth1450 that reply was for Experience 😂
@AtulSingh-od1sx
@AtulSingh-od1sx 2 жыл бұрын
Itne easy questions puchhte h yr 🤔 Is this fresher interview?
@DevAditya
@DevAditya 2 жыл бұрын
Depends on the interviewer
@ranjeetuikey87
@ranjeetuikey87 11 ай бұрын
Hoisting : makes some type of variables accessible in the code before they are actually declared . " automatically lifted to the top of their scope " i don't think this is correct , before Executuon code is scanned for variable declaration and for each variable a new property is created in a variable environment obj. (Let and const not hosted in practice - their initial value is uninitialized, tdz )
@sushmitakardam4860
@sushmitakardam4860 2 ай бұрын
How is this candidate selected 😮
@bablutheone7166
@bablutheone7166 8 ай бұрын
I am a BA student passed in 2019 and in the year 2023 I decided to work as a front end web developer and I learn HTML, CSS, JavaScript, React.js and Git/GitHub now I am not able to build my resume and I don't understand how to get a internship or a job. Please brother help me out.
@DevAditya
@DevAditya 8 ай бұрын
Sure let’s connect topmate.io/Roshan
@nikeshgupta1241
@nikeshgupta1241 3 ай бұрын
so you give wrong answer for hoisting. hoisting in JavaScript involves moving the declarations of variables and functions to the top of their containing scope during the compilation phase. well var ,let and const all got hoisted in diffrent manner. in memory creation phase var get undefiend but let and const load in temporal dead zone.
@pallavichawan6079
@pallavichawan6079 13 сағат бұрын
Bro i have done react. Js course and after shifting from non-it job experience then, now am working on html, css, js,psqland php..........so how i do the react projects so that i hv to get working experience in react..... So that i can attend interviews.,
@DevAditya
@DevAditya 2 сағат бұрын
There are lots of project making tutorials available on KZbin, you may try that then deploy it & mention it in your resume.
@Eshh173
@Eshh173 Жыл бұрын
Hoisting not only for var I think it supports for let const also
@Rahulsonivlog
@Rahulsonivlog 2 жыл бұрын
Amazing interview 👍👍
@mdanas0007
@mdanas0007 Жыл бұрын
Was this interview for experiance hilder or fresher.
@ashwinchaudhary5730
@ashwinchaudhary5730 2 жыл бұрын
What package offered by this company?
@sagar59
@sagar59 2 ай бұрын
i have said in resume that i worked on react in previous firm but actually I haven't, what if they asked how to tackle this question
@calcio437
@calcio437 2 жыл бұрын
bravo, watched all 20 minutes! interesting
@DevAditya
@DevAditya 2 жыл бұрын
Thank you 😊
@vmpstudio9657
@vmpstudio9657 2 жыл бұрын
wow nice interview rj.
@bharatmishra250
@bharatmishra250 2 жыл бұрын
actually i prefer face to face interview as we connect with interviewer directly and can explain things very easily
@praveen_in_peace
@praveen_in_peace 2 жыл бұрын
Face to face interviews gonna gradually reduce in future. Companies and candidates have already adapted to virtual meetings. Its zero cost and easy to schedule and manage. So u better adapt as well for ur own sake
@bharatmishra250
@bharatmishra250 2 жыл бұрын
@@praveen_in_peace yeah but there will be a chance of cheating as well as sometimes both candidate and interviewer not able to elaborate what is the actual question..here interviewer may think that the candidate is not serious/ or not listening him properly and blaw blaw.... In case of candidates there may be a network problem due to which he/she can be rejected
@praveen_in_peace
@praveen_in_peace 2 жыл бұрын
@@bharatmishra250 in ur either case candidate is at loosing end, not the company.
@iuashrafi
@iuashrafi Жыл бұрын
thank you ! for uploading
@chizidotdev
@chizidotdev 2 жыл бұрын
Wonder why so many React interviews are so focused on class components… This is 2022, it’s been over 3years already since hooks and functional components became a thing… I see this a lot and I really don’t get
@sunayraj
@sunayraj 2 жыл бұрын
I agree 💯
@rockyrocz1
@rockyrocz1 2 жыл бұрын
Reduce function has 2 parameters ( accumulator or total and current value) Var reducedArr = Arr.reduce(acc , curr) { Return acc += curr } Display none .... Removes the element from Dom Visibility hidden..... Hides from UI but it there's in the Dom React 1st render function will get call then constructor then getderivedstatefromprops the life-cycle of react
@tapasdutta3595
@tapasdutta3595 2 жыл бұрын
4 parameters
@sky73kothawade98
@sky73kothawade98 2 жыл бұрын
@@tapasdutta3595 .
@barbarian5962
@barbarian5962 2 жыл бұрын
@@sky73kothawade98 it has four parameters accumulator,currentvalue,index,array
@ashvinidhoran5023
@ashvinidhoran5023 2 жыл бұрын
First constructor then getdrivestate fromprops then render then componentsdidmount
@jiyelaljaiswal7458
@jiyelaljaiswal7458 Күн бұрын
good set of questions as per your experience. but don't have confidence while answering. you have knowledge of each topic. I would never select as a experience candidate
@sanjukumawatvlogs5902
@sanjukumawatvlogs5902 4 ай бұрын
as a fresher interview question kaha se padu??? please help any senior experience walo.....
@Harsh-zf2bz
@Harsh-zf2bz 2 жыл бұрын
What package did you get?
@RockyAnsari-d6w
@RockyAnsari-d6w 11 ай бұрын
why he told if we declare let a and if we initialized console.log(a) will not get undefine that is absolutely wrong answer definitely will get undefine in let as well as in case of var
@amarjeetkumar-hk2jl
@amarjeetkumar-hk2jl Жыл бұрын
I am fresher and job less but i can explain questions of javascript, css, and some React questions better than him. But i am not feeling confident yet !
@HimanshuKumar-lw2fv
@HimanshuKumar-lw2fv 2 жыл бұрын
did you have corporate experience in react, redux at the time when you were in the interview?
@gamezone43
@gamezone43 2 жыл бұрын
Var has local and global but let have local, global and block scope
@AmitKumar-ow2tu
@AmitKumar-ow2tu 2 жыл бұрын
By default it's static. so the subchild will allign with child.
@lightyagami5963
@lightyagami5963 2 жыл бұрын
What's the salary category of this job?
@bishwajeetpandey1570
@bishwajeetpandey1570 Жыл бұрын
We need more videos like this
@DevAditya
@DevAditya Жыл бұрын
Sure just Keep Supporting & Sharing 😊
@kunal7066
@kunal7066 2 жыл бұрын
Very helpful bro but i suggest you work on your communication because people judge you with that..especially during interviews
@DevAditya
@DevAditya 2 жыл бұрын
Agree & thanks for your suggestion 😊
@Baraswal12
@Baraswal12 Жыл бұрын
Hey Kunal bro my communication is very weak can you guide?
@mudassirhashmi1703
@mudassirhashmi1703 Жыл бұрын
We use Rest operator in the function declaration is the right answer....
@thiruvetti
@thiruvetti Жыл бұрын
The answer for middleware is not correct. If u need middleware to just intercept request, then even front end interceptors can do that. The main reason for Middleware is security and server based computing.
@programmingpictures4420
@programmingpictures4420 Жыл бұрын
bas data structure or algorithms ky questions jaan ni chorty reactjs my Palidrome ka kia kaam 😅😅😅😅
@cjgokuhomes10
@cjgokuhomes10 2 жыл бұрын
Thank you bro i really needed. Can you try doing interview with publicist sapient?
@DevAditya
@DevAditya 2 жыл бұрын
Sure, will try
@riderzzone6373
@riderzzone6373 2 ай бұрын
which version of react we are using ? I am using latest version 😂😂🤣🤣😂
@DevAditya
@DevAditya 2 ай бұрын
@@riderzzone6373 🤣😂🤣
@amans6504
@amans6504 2 жыл бұрын
How much salary does it offered(just a brief idea) ?
@karna5171
@karna5171 2 жыл бұрын
He started with functional and now again he is using functional 😂😂😂
@DevAditya
@DevAditya 2 жыл бұрын
😂 nervousness
@karna5171
@karna5171 2 жыл бұрын
@@DevAditya hmm possibly..
@protrader6302
@protrader6302 2 жыл бұрын
This interview was for fresher or you were having some experience that time? Because i have given some interviews they ask to do heavy coding. I failed many and its giving me dipression.
@DevAditya
@DevAditya 2 жыл бұрын
2+ Depends on the interviewer
@anasouardini
@anasouardini Жыл бұрын
The guy just asked about html+css+js straight after he just asked about reactjs and got a "yes", Do they just push recruiters to interview devs?
@opalel7121
@opalel7121 Жыл бұрын
listening to an indian accent is pure suffering
@IshwarSingh-vw9js
@IshwarSingh-vw9js 2 жыл бұрын
20:06 what's the question? And can somebody explain the answer too? Thanks
@yagnatejareddy916
@yagnatejareddy916 Жыл бұрын
HOCs higher order components
@shubhaseeshkumar6701
@shubhaseeshkumar6701 2 жыл бұрын
Why the screen is blur
@indiasrailroadSpeak
@indiasrailroadSpeak 2 жыл бұрын
Rather than reqct and javascrip concentrate on backend and Cloud
@openworld7585
@openworld7585 2 жыл бұрын
Thank you for posting video
@DevAditya
@DevAditya 2 жыл бұрын
🙂 keep supporting & sharing
@kevinmitnick1301
@kevinmitnick1301 2 жыл бұрын
Bro , Where I can learn React.Js , please suggest some courses..
@DevAditya
@DevAditya 2 жыл бұрын
CodeWithHarry Programing with mosh TraversyMedia AkshaySaini
@kevinmitnick1301
@kevinmitnick1301 2 жыл бұрын
@@DevAditya Thanks so much .
@omkar.2000
@omkar.2000 2 жыл бұрын
Clever programmer Sonny Sangha
@RavindraSingh-zg9eq
@RavindraSingh-zg9eq Жыл бұрын
which company's interview it is and what is the salary they offered?
@user-mi8ew2to8e
@user-mi8ew2to8e 2 жыл бұрын
Hoisting does not work with let and const because of something called temporal dead zone. It was introduced in es6 to remove this quirk of javascript.
@imyounick
@imyounick 2 жыл бұрын
All variables can be hoisted . Very easy interview what was the YEO of candidiate ?
@DevAditya
@DevAditya 2 жыл бұрын
Thanks
@clan2839
@clan2839 Жыл бұрын
YEO? I guess you are asking about the year of experience, right? @MaveNik
@imyounick
@imyounick Жыл бұрын
@@clan2839 Yes type mistake
@rumaro8470
@rumaro8470 2 жыл бұрын
bro what package they offer in this
@knownforfun2509
@knownforfun2509 Жыл бұрын
are you sure he got selected, cause most of the answers were partially correct and some time wrong.
@saransamikannu4725
@saransamikannu4725 2 жыл бұрын
Do they conduct apptitude test for frontend developer?
@DevAditya
@DevAditya 2 жыл бұрын
No
@Ichigo-kurusaki580
@Ichigo-kurusaki580 2 жыл бұрын
Which company was person interviewing from
@sachinnaik4477
@sachinnaik4477 2 жыл бұрын
How did you record?
@DevAditya
@DevAditya 2 жыл бұрын
Mac ( CMD + shift + 5 )
@sachinnaik4477
@sachinnaik4477 2 жыл бұрын
@@DevAditya Ok. Which company did you join bro?
@DevAditya
@DevAditya 2 жыл бұрын
@@sachinnaik4477 EY, but got the offer from these all companies
@sachinnaik4477
@sachinnaik4477 2 жыл бұрын
@@DevAditya Congrats 🥳 Do you have EY video?
@sachinnaik4477
@sachinnaik4477 2 жыл бұрын
@@DevAditya How many rounds were there in EY? can you share ur linkedin profile?
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