Top Tweets for #JSinterview
React Interview questions:
How do you handle state in a large React app?
Most devs jump to Redux. The real game is start with Context + useReducer. Suddenly feels doable.
#reactjs #reactinterview #jsinterview
JavaScript Daily Challenge β Day 12 π
Check if a string is a palindrome
Simple logic using a loop and string comparison.
Example: "carac" β true
How would you optimize this - split().reverse() or two-pointer logic? π€
#JavaScript #CodeDaily #JSInterview #Day12 #LearnJS
JavaScript Daily Challenge β Day 11 π
- Reverse a number using pure math logic.
- Works for both positive and negative numbers.
Example: -789 β -987
#JavaScript #CodeDaily #JSInterview #Day11 #LearnJS
JavaScript Daily Challenge β Day 10 π
Count even & odd numbers in an array
- Classic for loop
- filter() method
#JavaScript #CodeDaily #JSInterview #Day10 #LearnJS
JavaScript Daily Challenge β Day 9 π
Find the sum of all array elements in 3 ways
- for loop
- reduce()
- for...of
Which one do you use most in real projects - and why? π€
#JavaScript #CodeDaily #JSInterview #Day9 #LearnJS
JavaScript Daily Challenge β Day 8 π
Find the largest of three numbers in 2 ways.
1. Using Math.max()
2. Using comparison logic (if-else)
Which approach would you prefer in interviews - built-in method or logic-based? π€
#JavaScript #CodeDaily #JSInterview #Day8 #LearnJS
JavaScript Daily Challenge β Day 7 π
Factorial in a more βmodern JSβ way ....
Using Array.from() + reduce().
Clean + functional style, but is it better than loops? π€
What would you prefer in real projects?
#JavaScript #CodeDaily #Day7 #JSInterview
JavaScript Daily Challenge β Day 6 π
- Factorial using Recursion
- Clean logic + proper validations
- n! = n Γ (n-1)!
Do you prefer recursion or loop in interviews? π€
#JavaScript #CodeDaily #JSInterview #Day6
JavaScript Daily Challenge β Day 5 ( 1 )π
Find the factorial of a number step by step.
Handles negative values, non-integers, and uses a clean for loop.
Would you solve it using recursion instead? π€
#JavaScript #JSInterview #CodeDaily #Day5 #LearnJS
JavaScript Daily Challenge β Day 1 π
3 different ways to create an array from 1 to 100. Same output, different approaches.
Is there a cleaner or more modern JS way to do this?
Drop your thoughts !!
#JavaScript #JSInterview #LearnJS #Day1 #CodeDaily
What will be the output of this code and why?
console.log([] + []);
If you can explain it confidently, you understand JavaScript coercion better than most.
#JavaScript #JSInterview #Frontend #DevTips
Stop adding multiple event listeners!
Use Event Delegation to handle them all with just one β smart, performant & interview-friendly
Read more π https://t.co/0bqc0S6UC6
#JavaScript #FrontendDev #WebDevelopment #CodingTips #JSInterview
Javascript Interview Prepration
Topic : Spread (...) vs Rest (...) Operator
Spread (...) β Expands an array/object into individual elements.
Rest (...) β Collects multiple elements into a single array/object.
#JavaScript #WebDevelopment #JSInterview #Coding
const arr = [1, 2, 3];
arr[10] = 99;
Whatβs the length of arr now?
And what's happening under the hood?
Are those βmissingβ indexes stored?
Whatβs the difference between undefined and a βholeβ?
How does V8 optimize this?
#JavaScript #DevTrivia #V8 #Internals #JSInterview
π Ever seen __proto__ in JavaScript and wondered what it means?
This 60-second Short breaks down the Prototype concept clearly!
https://t.co/svY7JA5dzm
#javascript #webdev #jsinterview #frontendtips #codewithkg
π« Object.length doesnβt do what you think!
Learn the correct method to count keys in a JS object in under a minute β±οΈ
https://t.co/inqOKCZ0Mc
#JavaScript #webdev #frontendtips #jsinterview #codewithkg
π JavaScriptβs bind() lets you set this once and reuse functions like a pro!
π Watch now to understand bind() in just 60 seconds!
https://t.co/D2EVruU7JV
#JavaScript #bind #JSinterview #WebDevelopment #codewithkg
Master your JavaScript interviews with scenario-based questions! π Dive into real-world challenges and ace your next interview. π»β¨ #JavaScript #InterviewPrep #CodingQuestions #TechCareers #Decotechs #WebDevelopment #JSInterview"
Answer: A) 101
π Explanation: Setting arr[100] = 4 adds an element at index 100, making the length 101 even though most indices are empty!
#JavaScript #Coding #InterviewPrep #JSInterview #ScriptingWithSanket
π‘ I'll be posting more threads like this for the next 27 days! If this interests you, feel free to join.
#JavaScript #AsyncProgramming #PromiseAll #CallbackHell #AsyncAwait #WebDevelopment #JSInterview #FrontendDevelopment #day3 #30dayjschallenge
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