Top 10 JavaScript Coding Interview Question and Answers

[@ManojPal-o6o]

Sir , you are doing very very very great Job . hats Off sir. Some peoples are selling their knowledge and experience now these days and you are sharing and distributing free. I more appreciate still less for you. 🙏

[@interviewhappy]

Thanks a lot @user

[@sudheerdarla9812]

Thanks. Even more optimization for checking prime number is a for loop from 2 to SquareRoot(Givennumber).

[@pushpendrasharma1744]

Thanks sir i got a job last month

[@amangurram1132]

Reverse of a string + Palindrome or not Find the longest word in the sentence Function to remove duplicates from an array Two strings are anagrams (words with same alphabets in different or similar order) Number of vowels in a string Find the largest number in an array Check if given number is a prime number Factorial of a given number Remove whitespaces from a string Thank you very much happy sir and All the best guys!

[@sumairaramzan1365]

sir you are great .mene interview se pehle apki 3hours ki vedio dekhi itni lengthy vedio mene kbi ni dekhi lekin usko dekhne k bad kisi or vedio ko dekhne ki zrort ni pri thank you so much

[@interviewhappy]

Your welcome @sumairaramzan1365

[@kiva1806]

Straight to the point and very well explained. you are a gem 💥

[@interviewhappy]

Thanks @kiva

[@Stellarwit]

for duplicate values this is a better approach const mainFn = (array)=>{ const result = [] array.forEach((eachItem)=>{ if(!result.includes(eachItem)){ result.push(eachItem) } }) return result } console.log(mainFn([1,2,3,4,5,1,2,3,4,5,6]))

[@siddharthtrivedi8692]

please make top 100 js coding questions.

[@vishal_sharma_rha]

Already there

[@srinivasnahak3473]

@@vishal_sharma_rha Where?

[@yogsharma7807]

Use this to handle edge case const numberFactorial = (num) => { let res = 1; for (let i = 1; i

[@srinivasnahak3473]

I wish I had watched your tutorial before my 2 interviews, I couldn't answer them and hence lost the jobs. But hopefully, I'll be using this knowledge for my future interviews.

[@ramansharma55]

Hi! Could you please help me how did you approach the company.

[@sushmithashenoy7581]

Thankyou for your effort sir🙏 Q10 : can be done like this i suppose whitespaceremoved= str.split(" ") .join("");

[@RPS-wf3hm]

Sir, You have given me lot confidence to face the interview. Salut for your work!

[@whatisimprov]

for largest number would this work const findLargestNumber = (arr) => { const largest = arr.sort().reverse(); return largest[0]; };

[@interviewhappy]

woww.... that's what I want. Try new ways of doing things. Check this in some online compiler. All the best for your career.

[@tusharutane8031]

amazing content hoping for the same content as we are applying for jobs

[@interviewhappy]

Thanks Tushar and all the best for your career.

[@jaiswalgaurav957]

Pure Gold 👌👌👌👌

[@AnshBabariya-n1w]

I crack my js interview from your support ❤❤

[@mathswala6951]

Give me your insta id bhai

[@yashbadgujar-qq9iz]

heyy what kind of js coding questions u were asked please reply it would be very helpful

[@sree2970]

Sir please start training on AI tools too ..the way you teach was just beyond awsome

[@dineshkumarravichandran4981]

function larNum(){ const num = [1,2,3,4,5]; var laNum = 0; num.reduce((x,y)=>laNum = x>y?x:y) console.log(laNum); } larNum();

[@LifeinBangalore502]

Thank you so much sir for this video and nice explanation 🙂

[@interviewhappy]

Most welcome @sabita

[@_Sujit-khot_]

good luck sir 👍

[@narendravaniya9058]

Very nice coding explained very well thank you....

[@interviewhappy]

Thanks Naren and all the best for your career.

[@jitendrakumarjat855]

sir please make videos on react js series for intermediete level your explanation top notch

[@interviewhappy]

Sure, after JS, I will cover React.

[@jayeshmahajan4213]

thank you sir i completed all questions and prepared so now make more videos on reactjs coding interview it is very help more me for the cracked interview.

[@interviewhappy]

All the best @ jayesh

[@MomLifeJournal]

Thank you …

[@interviewhappy]

Welcome!

[@Raj_Panchalll]

const str = 'Hello world' const reversedStr = str.split(' ').reduce( (acc, char) => char + acc + ' ') console.log(reversedStr)

[@saranyaa5642]

Thank you so much sir. Give us more programming questions in javascript which will be very useful for our interview sir.

[@interviewhappy]

I will try my best @saranyaa

[@ansarisuhail5127]

Thank u so much sir . But sir try to make some complex coding questions for interview

[@anuradhatiwari1787]

your teaching way is osam sir please pray for me whean i got select i will defently inform you sir

[@interviewhappy]

All the best for your interviews.

[@vivekgupta7435]

have u got a job???

[@RajKumar-yc1qx]

Thanks for creating such a wonderful video, it was very sweet of you !

[@interviewhappy]

You are so welcome!

[@bramhamreddy5417]

Thanks a lot., for supporting

[@interviewhappy]

Always welcome @bramham

[@arjunkishore443]

Best one🎉

[@ArnabKhanrah]

In the 'IsPrime' function we need to add If(number < 2){ return false; } Otherwise isPrime(1) will return true.

[@regilearn2138]

no need thats why the for loop started from 2

[@SURESHREDDY-cm7vt]

Nice explanation. I have one doubt? If you don't mind , can explain me? What's the difference between javascript and java?

[@RamanNani1998]

Javascript is scripting langauge but java is pure backend language

[@dineshkumarravichandran4981]

function primeNum(){ const num = [1,2,3,4,5]; var prime = num.filter((x)=>x%2!=0) console.log(prime); } primeNum();

[@2784raj]

another great content thaks a lottt for this

[@interviewhappy]

Thanks Raj. All the best.

[@ShubhamKumar-dc9tu]

Great video sir thank you so much plzz add more video like this question solve

[@interviewhappy]

Sure I will try to do so @shubham

[@ShubhamKumar-dc9tu]

@@interviewhappy Thank you sir 🙏

[@nirmalaavvaru5432]

Hi Sir, Please upload the videos on Vue js Interview Questions and Answers.

[@hello_Subham]

Sir, we are looking more coding Questions like this in javascript please do it .💥

[@interviewhappy]

Will upload soon @code_techbysubham

[@sugan4907]

sir after preparing for node js from your course . Can I directly go for interview ? or I have to prepare data structure and algorithm separately

[@riyamehere717]

Thank you

[@interviewhappy]

You're welcome

[@sadanandamcharynani7631]

thank you so much sir

[@kanchanmatai4170]

very nicely explained

[@interviewhappy]

Thank you so much 🙂

[@dineshkumarravichandran4981]

function fact(){ const num = 5; var factorial = 1; for(i=1;i

[@Melakusisay]

Thank you again and keep up more questions.

[@interviewhappy]

Always! welcome @melakusisay

[@3x10.8_ms]

mazza aa gya

[@harikrishnanpandyan5684]

We need more js video same as it is 🔥🔥🔥🔥

[@saranyaa5642]

Please post top 10 react programmatic questions asking in frontend

[@priyankasaini7204]

21:00 Using recursion // Write a function to calculate factorial of a number. // one way function factorail(num){ if(num===1) return 1; return num* factorail(num-1); } // console.log(factorail(5));

[@omkarmore4453]

Sir can you pls add more complex dsa questions

[@codewithdeepak45]

Thankyou!

[@interviewhappy]

You're welcome! @deepak

[@N_n5566]

Can you suggest me more interview coding questions to clear code round.Iam practising but iam not able to clear coding round.I have practiced your questins also but not cleared the round.Please suggest me interview tricky coding questionss to clear that round.

[@RaviRanjan-yi5rq]

if possible please add Azure and DevOps Interview Question

[@123mutahir]

Thank you Sir,

[@interviewhappy]

Most welcome @123mutahir

[@kumaxFPS]

Q2 - can be done with REDUCE fx too ! const words = str.split(" ") const ans = words.reduce(function(acc, curr){ if(curr.length > acc.length){ acc = curr; } return acc; },"") return console.log(ans)

[@imoniiii]

please make with like this for react .

[@AradhanaTurkar-pr9sv]

Sir I have combine mock on html,css,js can u make video on this please sir

[@interviewhappy]

Soon I will share HTML questions.

[@AradhanaTurkar-pr9sv]

@@interviewhappy thank u so much sir🙏

[@rekhagavhane-e4t]

Very nice video!!

[@interviewhappy]

Thank you very much! @user

[@vinamrasangal8436]

thank you so much sir

[@interviewhappy]

Most welcome

[@dizzgamers1878]

Most of the MNC companies are requested not to use inbuild function ...

[@NikhilSingh-pb2jg]

First question.. Logic for doing in short way is wrong as after splitting using " " , we need to loop and then reverse.

[@saikumar7247]

sir plzz create a video on react js coding interview also

[@yadunandan3684]

Will they ask these questions for 2+ years experience employee also?

[@interviewhappy]

Yes, they can.

[@subratabarick2337]

Sir, i have done my bsc in 2019, after that i was doing the job but it was from non it.. so am i elegleble for becoming a devloper as a fresher...

[@_d_e_e_p_u_l_u_]

is all the questions come for interviews is same as the above questions can anyone tell me please

[@pradeeph4764]

Sir , execute in vs also

[@rajkirankelangi5751]

please make top 100 js coding questions. guys hit like buttom 🔘✅🔳

[@priyankasaini7204]

17:00 Antother way // // write a function to find the maximum number in an array let arr= [2,4,56,7,2,100,5444,1,0]; function maxElement(arr){ return Math.max(...arr); } console.log(maxElement(arr));

[@naveentech3837]

Good

[@interviewhappy]

Thanks @ naveen

[@OCEMTechZone]

🎉

[@interviewhappy]

Thankns

[@ILiusion_world]

sir plz put the last question answer

[@vardhinenikishore5667]

Sir, Please do promises, async and await coding concepts and React interview questions, Mor helpful preparing the interview questions

[@jyotighali8002]

how can I run and test it

[@nayiriya1921]

Sir please make a video in hindi

[@interviewhappy]

Sure Soon

[@nayiriya1921]

@@interviewhappy sir aapke KZbin series se html,css,bootstrap, JavaScript and react ke questions solve kare to itna fresher/intern Front-End developer interview ke liye enough he?

[@sandeeprathore7994]

Sorry but i cant get the Duplicate element question

[@manojhk7469]

join is not working sir

[@giantbush4258]

These are fun to practice. That said these are not enough for first round. So i kindly disagree.

[@divyanshusingh4293]

Sir plz improve ur english its really hard to get through😅

[@interviewhappy]

Photo mai mundi udhr ghuma ke sunega to kaise smjh aaegi bhai

[@kaushalpatel2284]

@@interviewhappykeep it up sir….. You are helping so many peoples….. I am from Canada 🇨🇦 and watching your videos….. I ordered your pdf materials….and I got it already via email….. I feel so so lucky to have such a wonderful materials and teacher like you❤❤❤

[@manojmishra6986]

Epic reply 😂​@@interviewhappy

[@HangOut-BK]

//*check palindrome let p =(s)=>{ return (s==[...s].reverse().join``) } console.log(p("chethan")); //true //*reverse string const str ="hello" console.log([...str].reverse().join``) //*remove duplicate const num=[1,2,3,4,4]; console.log([...new Set(num)]);

[@sequoiakanies2202]

Remainder* , not reminder Sorry I have to. It’s like a disease 🦠

[@engineersINnight]

Nice

[@interviewhappy]

Thanks @abhay