JavaScript Interview Questions | Sigma Web Development Course - Tutorial #83

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[DeveloperDuraid]

I am a Full Stack Web developer because of you.

[emperoromvenomousevil]

Harry bhai is revolutionary rockstar of the i.t field nowadays. i don't anyone who can match his level. Who can taught such complexed thing in such a simplest manner 🙏🙏.. gurudev apka fan banta ja raha hn hum sab dheera dheera 👐

[avadhojha]

#javascriptop bhaiya main abhi tutorial28 pe hi lekin kabhi kabhi aise hi javascript bhi jhank leta hoon aake, jaldi jaldi sab kuch khatam karke javascript padhne ka bahoot mann ho raha hai aapke itne effort ke liye bahut bahut thanks #sigmaharrybhaiya

[sabaathar]

Amazing teacher providing amazing content . Soon amazing sigma web developers will be there.

[engineer]

you are the absolute best india ke kisi bhi engineering college mein ek bhi baccha aisa nahi hai joaapka naam na janta ho your are pioneer of coding industry

[lzgmzhl]

all the lectures are easy to understandable and implement, You have a good teaching way.Sir!

[abhinandandhiman]

@CodeWithHarry Bhai tu videos mei jorr lga edr mei teri videos dekh kar full stack web developer bnne mei jorr lga rha hu... likes kam a rhe hai to koi baat nai duniya bdi kutti cheez hai content bhi tera sara dekhna or support k liye like bhi nai krte bt anyway tera naam itna famous hai coding field mei tujhe itna fark bhi nai padhta hoga... tere sigma course hum jaise 100 Full Stack developer bnn gye to tera sigma course Successful hai or vaise bhi yeh tera course Successful he hai..
Mere jaise coders tujhe bhut pyar or support krte hai ...

#Abhinandan.

[akhil_Khatrii]

Best web development course of all time ...❤ Till video no 82🔥

[owaisahmadshah]

Love you sir big thanks for this course

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Hary bhi your course of web dev is on fire

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Bro this course this really Nice, great Excellent I got to know lot many things from sigma.. & this is the most Amazing course that i've ever

[suryasai]

Dear Harry, all the videos you are doing are for Beginners only .Kindly include some advance concepts in this series like docker, sockets, AWS, system design.

[Learnwithethics]

Harry Bro, I solved all the 13 questions with single try without any browser help just because of youu

Love youuu❤

[mahin-ostl]

Sir your courses are awesome and it's worth more than paid course in others websites. But I am interested to learn AI and Machine learning using python and we expect a full course in this on your channel in 2024. Sir I hope you will make us learn AI with your interesting learning strategy and experience. Who agree with that 😊

[Hafijur]

🎯 Key Takeaways for quick navigation:

00:00 🎬 *Introduction to Advanced JavaScript Interview Questions*
- Overview of advanced JavaScript interview questions.
- Focus on clarifying concepts related to JavaScript.
01:02 🏠 *Solving the "Magical Sorting Hat" Problem*
- Explanation of a problem involving sorting students into houses.
- Demonstration of using a for loop to assign students to houses based on a predefined area.
02:24 🧹 *Assigning Houses to Students*
- Utilizing a for loop to assign students to houses.
- Demonstrating how to iterate over student names and assign them to houses.
03:49 🏡 *Finalizing House Assignments*
- Finalizing the assignment of houses to students based on specific conditions.
- Using conditional statements to determine the final house assignments for each student.
05:23 📝 *Solving coding questions, *
- The solution for each question is in the solution folder.
- Double trouble question: UR Task with writing a function that doubles each element in an array if there is a catch.
- Increasing the difficulty: Implementing a function that doubles any one of the two randomly chosen consecutive duplicates in an array.
06:19 🛠️ *Coding challenges, *
- Password validator: Creating a password validation feature that checks if a password has at least eight characters, including uppercase, lowercase letters, and at least one digit.
- Implementing a simple way to check for uppercase and lowercase letters in a string using dot length.
- A more efficient way to check for uppercase and lowercase letters by creating separate lists for each and checking values.
07:00 💻 *More coding challenges, *
- Vowels counter: Creating a function that counts the number of vowels in a given string considering both uppercase and lowercase vowels.
- A simple method to count vowels by creating an array of vowels and counting occurrences in the string.
- An alternative method using value to count vowels: counting occurrences of 'a', 'e', 'i', 'o', 'u' in the string.
08:21 🗃️ *Local storage concept, *
- Explaining the concept of local storage where data is stored in the browser.
- Demonstrating how to use local storage by creating a simple script tag with a prompt to enter a name and displaying a welcome message with the entered name.
- Storing the name in local storage using document.write and explaining how to access the stored value.
10:15 🔒 *Storing and retrieving data in local storage, *
- Demonstrating the use of `localStorage.setItem` and `localStorage.getItem`.
- Highlighting how to store and retrieve key-value pairs in local storage.
11:27 🗃️ *Using object storage in local storage, *
- Converting JavaScript objects to strings using `JSON.stringify`.
- Storing and retrieving objects in local storage using `localStorage.setItem` and `localStorage.getItem`.
12:37 🔑 *Understanding stringification and parsing of objects, *
- Explaining how to convert objects to strings and back using `JSON.stringify` and `JSON.parse`.
- Demonstrating the use of these methods to store and retrieve complex data structures in local storage.
14:27 📝 *Storing Notes in Local Storage*
- Writing a function called "saveNoteToLocalstorage" that takes a note and stores it in the local storage as an object.
- Using the `localStorage.setItem` method to store the note.
- Using the `prompt` method to get the note from the user.
15:51 📝 *Adding Notes Dynamically*
- Implementing a prompt to ask the user for a note and storing it in local storage.
- Using `document.write` to display the note in the document.
- Handling cases where the user doesn't input a note or cancels the prompt.
17:14 📝 *Troubleshooting Display Issues*
- Creating a div and using `div.innerText` to display the note.
- Reloading the page to see if the display issue is resolved.
- Checking for errors in the console to identify and fix the problem.
18:48 🔄 *Implementing a shopping cart functionality*
- Implementing a shopping cart functionality for an e-commerce website,
- Calculating the total price of items in the cart using JavaScript,
- Using local storage to store and retrieve cart data.
19:14 🔄 *Implementing smooth scrolling to top functionality*
- Demonstrating how to implement smooth scrolling to top functionality,
- Explaining the JavaScript code to achieve smooth scrolling,
- Encouraging viewers to search for "how to scroll to a location in JavaScript" for more details.
19:41 🔄 *Teaser for the next project: Sigma Project*
- Hinting at an upcoming project, "Sigma Project, " which will be exciting and challenging,
- Encouraging viewers to stay tuned for the next video to learn more about the project,
- Mentioning that the next project will be showcased in the next video, which is expected to be impressive.

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[targetme]

Kaya course hai sir all in one in one container ❤❤❤❤

[rokoking]

Please make an interview question on HTML, and CSS or complete web development or separately make on frontend and backend.

[Ayodhyanagri]

Sir app bahut mehnat krte ho hmare liye free m sab provide krate ho thanku sir ❤❤❤❤❤

[TED_utube]

Thank you very much brother for making this type of content for us
JavaScript OP

[hrishikeshmandal]

amazing course sir ji🔥🔥
waiting for the sigma project