TIMESTAMPS: 02:14 what is Javascript? what is the role of JS engine? 05:00 What are Client side and Server side? 06:30 What is Scope in JS? 09:48 What is Hoisting in Javascript? 11:49 What is JSON? 13:18 What are variables? var vs let vs const. 16:50 What are data types in JS? 18:15 what is the difference between primitive and non-primitive data types? 22:23 what is the difference between null and undefined in JS? 25:12 what is the use of typeof operator? 26:28 what is type coercion in JS? 28:43 what is operator precedence? 29:37 Unary vs Binary vs Ternary operators. 31:10 What is short-circuit evaluation in JS? 34:22 Conditional Statement Types. 41:01 Double equals == vs === Triple equals 42:49 Spread operator and Rest operator in JS 47:00 what are arrays in JS? How to insert, remove, access, sort, reverse and manipulate array elements? 01:05:34 what is Array Destructing in JS? 01:07:12 what are array-like objects in JS? 01:10:05 How to convert an array-like object into an array? 01:12:05 what are loops? what are the types of loops in JS? 01:19:10 what is the difference between for and for..of loops in JS? 01:20:40 what is the difference between for..of and for..in loops in JS? 01:22:10 what is forEach loop? Compare it with the above methods. 01:27:03 what are Functions in JS? what are the types of functions? 01:38:27 what is the difference between arguments and parameters? 01:40:54 Default Parameters in functions in JS. 01:41:50 what is the use of event handling in JS? 01:44:30 what are First-Class functions in JS? 01:44:55 what are Pure and Impure functions in JS? 01:48:53 what is Function Currying in JS? 01:51:27 call() & apply() & bind() methods in JS? 01:54:22 what is a string? 01:54:43 Template Literals and String Interpolation 01:56:15 single quotes vs double quotes vs backticks 01:56:52 String Operations in JS 01:59:01 what is string immutability? 02:00:37 Different ways to concatenate strings in JS 02:02:20 what is DOM? what is the difference between HTML and DOM? 02:04:55 How do you select, modify, or remove DOM elements? 02:05:53 Selectors in JS DOM. 02:10:47 what are the methods to manipulate elements, properties and attributes of JS DOM? 02:11:26 what is the difference between innerHTML vs textContent? 02:12:50 How to add or remove properties of HTML elements from the DOM using JS? 02:13:59 How to add or remove style of HTML elements in the DOM using JS? 02:14:55 How to create new elements in DOM using JS? 02:18:21 Error Handling in JS 02:22:56 what is Error Propagation in JS? 02:23:35 Error Handling Best Practices 02:24:37 what are the different types of error in JS? 02:26:25 what are objects in JS? 02:30:05 what is the difference between an array and an object? 02:31:00 How to manipulate Objects in JS? 02:31:37 Dot Notation vs Bracket Notation 02:33:00 How to iterate through Objects in JS? 02:34:34 How to check if a property exists or not? 02:36:00 How to clone an object? 02:40:33 Sets in JS 2:42:59 Map Object in JS 2:45:40 Events in JS 2:50:47 Event Delegation in JS 2:52:50 Event Bubbling and Event Capturing in JS 2:57:20 event.preventDefault() method in JS 2:58:28 The use of "this" keyword in the context of event handling in JS 2:59:00 How to remove (unattach) an event handler from an element in JS

This is not just a interview question video , but the whole documentation of JavaScript in compressed form ,and really far better than those coding tutorials of 10 to 15 hours. Animations, presentation and using code examples and no garbage talking, point to point things make it seems like a paid course. You can jump to Node js or React after watching this easily Thanks a lot Sir

Sir after three years i have a confident for attend the interview. I bought your 500 interview questions and prepare one week now I feel I'm expert in. Net

one of the great video I have seen ..thanks for your teaching

Nice tutorial ...... thank so much

Thanks for this video Brother, your explanation is very clear and wisely. You are helping a lot by this content thanks.. I am looking React videos like that explanation..🙂

Thank you! I needed this so much

Thank you for teaching sir, it was a wonderful video and i feel confident.

9:00 I have always had this question in my mind. No interviewer had asked me this, but I always had this doubt. Thank you, sir, for covering everything with such details.

Bro it's nice to live in the same world with people like you

Thanks a lot !

Hello Happy Ji. Your interviews Questions are more helped me to get 2 Offers Letters with Salary Hike. Please keep it on. These videos will help more persons like me. also Please create a 100 FAQs on jQueries too.

Everything you covered sir except promises and async/await ❤

Sir very good session great sir thank you Love from Andhrapradesh

lots of love to you sir! Big Thanks again for uploading such amazing content 😍

Nice sir it's mostly all are the interview questions are covered,and as a fresher it's very very useful for me for the interview. Sir I support you and also make more videos on other technology like Node.js MySQL, Java etc.....keep it up....👍👍

highly appreciable work👌

best JS interview questions tutorial, Thank You!

Thank you sir.

Good explanation covered all topics.. Please make one video for python - experienced

this is the best JS interview questions tutorial I've ever seen. Just purchased the PDF version of the notes as well, and that is helping more while understanding a particular topic. Much thanks! 🙂 UPDATE: I cleared Accenture interview after learning JS from this video.

app kitna simplyfy krke concepts smjate ho ajj tak esa video ni dekha youtube par you are osm teacher prnam guruji dhanyvad for this

words fail me to tell you how you are the best , you did the best interview questions which touches almost all aspect of JS chapters. your voice tone is welcoming and interesting I was happy even the previous 25 question and extremely happy on this 100 additional best interview question and detail explanation. Keep up your work, you are the best ever.

Thanks Sir. Feeling more confident about facing my upcoming interview after going through this video ♥️

you are doing awesome jobs by helping communities, i have learned a lott from you, you are true inspiration... Thanks a lott for making such amaizing content..

bundle of thanks

The video deserves way more views and likes. Super succint and comprehensive!

Finally completed the whole video feeling confident and thank you so much sir for this the explanation was amazing.

Well done for this super illustration of JS. Thank you for your hard work. Much Appreciated.

100 millions of thanks!

You are amazing

I have completed one hour and will complete the remaining soon. Really its simple and easy to understand. The video is prepared with utmost care interms of presentation. For the interview candidates , its one stop to cover all js questions.Thank you.

Thank you, very helpful

double thumbs up for ur huge efforts

Thank you so much happy sir.this video is a very helpfull video

Thank you so much for your time. It help us lot😀

This is pre interview gold thanks mate.

Absolutely incredible information

Thank you sir 🙏

Good questions ,keep uploading such a informative videos of javascript.

Do it for react also pls and then separate for complete' frontend interview '

God bless you Your effort priceless 👍🏻👍🏻👍🏻

Completed in two days. Awesome content is given by giving such a nice explaination. Seems like revising whole js. Very good and usefull video.

Hi Happy, Just completed all questions and made a notes, preparing for interview. Thanks for your free Video tutorial.

Sir i just love the graphical representations infact am 100% confident in js now. you just so explain it even my grandmom will understand if she were still alive arigato🙏

please make same kind of video on java and spring boot also

Pls provide this type of more video

great way of teaching

Thanks a lot sir very informative video

Amazing course for sure, thanks

Very nice explanation. please continue. This is not only for interview but useful for Works also.

Thankyou Sir

amazing thank you sir

thanks a lot, this is one of the best video on KZfaq for revise JS.

Hello Sir Your JavaScript Interview QNA video help me alot to clear the interview. I got selected in Top MNC with 30+ Lpa Package As Tech Lead. Thanks So Much Sir🤟🤟🤟👏👏

ultimate video sir, Thank you ♥♥

I got job in multiple companies , thank you somuch sir

Content is 100% but explanation is little difficult to understand anyway Thanks man.

Thank you so much sir for the awesome content I really enjoyed this video and learned concepts❣

Your calmness makes us more confident for interviews ❤

Thank you sir

I'm wondering how important is for newbie devs thanks for explanation

Very nice

It was great video thank you for your hard work in helping us to get all the concepts at one place. But I think there's so many imp ques are not listed like Promises, Closures, Microtask and Macro task queues, event loop, etc. Can u pls make a same video on these concepts as well ?

I watched the first 3 minutes , clicked on the UDEMY link and bought your course thank you

very well explained, im in a middle of the video but i really liked, thanks a lot!!

Huge respect for SIR you are a great 😍

Finally completed whole video feeling confident and thank you so much sir for this amazing video and the explanation was amazing.Best wishes for you

Short and Simple Explanation.

Great tutorial for interview questions.thanks a lot dear..May allah help you and i am really pleased to your video and finally again I want to say you,,Thanks a lot

Shalom This is actually quite good, quite good indeed! Thank you very much for sharing.

Sir i benefited by this class, tq so much for that,But please provide react js all topics coding interview questions also, please consider this request sir...😊

thanks sir 🤩

Thank you sir for such useful and informative videos. Would you please make videos on MongoDB and nodejs or backend

Guruji you are great! 😊

hi , i bought your react , node courses , both are so detailed , can you plaese make same for java and sppring boot . would b great help .thanks😊

very good start Sir, we can master JS by practicing your interview questions. i found few errors, one of them is at 1:30:15. function declaration, at console.log you have mentioned add instead of sum. so there is error to print the output. but its not major issue. your interview questions built confidence to attend interviews and knowing JS very important. im practicing every day little by little sir thanks. i want t buy the pdf but im from spain dont have choice to buy. plase give us an option to buy sir thank you.

I cracked multiple technical rounds of 5 companies in last 2 months watching your videos. Got Job offer too.Thank you!

1:11:00 there might be a problem here as I get an error saying that the OBJ is not iterable but it does work with ((let objectArray = { 0: "a", 1: "b", 2: "c" }; console.log([...Object.values(objectArray)]); ))

can u plz tell me this is use for experienced candidates also....?

Good explanation..thank you sir

Sir you are great teacher. All clear, simple and effective. ... I find this video after the struggle with different tutorials, videos, web3school, etc. ... Video done very informative, useful and really easy to understand. It feels how you like what you're doing. ...After 48 hours I have an interview for the FE position, I started to feel myself confident. Hope I will succeed. Thank you for your job and good luck for everyone who's really keeping to learn even after the numbers of rejections like me😂

Wow ! It doesn't matter hom much you code but you need such basic and minor details QNA to clear an interview. So ,it is must before an interview round. Thanks a lot Sir

i think this video help many student to get a job Great sir 🙏❤❤ Thanks

thank you brother!

Please make a video on vue.js interview

Hi sir thank you for the video. Pls add design patterns videos

js called stack implementation programming ? .Thank you ❤ , video is helpful

BEST VIDEO

This is best video for learning the basics of JavaScript for interview as well as projects. can you upload MERN stack interview questions and answer ?

thanks a lot , i cracked multiple angular interviews due to this . changed my life.

Best 3 hours I ve spent on youtube ! I have an technical interview and need to gather as much info as possible, watched also the 2 hour Angular questions and this 3 hours one about Javascript, very well explained and refreshing for the memory, I feel ready for the technical interview! Let s get it !

23:40 Bwahahhaha I really like this uncomfortable long pause that shows the null data type.

@interviewhappy Thank you Feeling more confident about facing my upcoming interview after going through this video ♥

nice explain with realtime example.

Liked your react js interview questions video.. so here for Javascript knowledge rebrush

Question: minute 46, shouldn't the variable called "remaining" be the "restArguments" defined with the rest operator on the function arguments?

Woah! An amazing course. Got to know a lot. Thankyou sir!

Very useful videos, thank you

sir please makes more video on promises in js