Protium Finance Javascript Developer Interview Questions and Answers

Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
Answered by AI
Add your answer
Q2. All basic JS Questions to cover Hoisting closure
Add your answer
Q3. They asked to show me an example using the API call
Add your answer
Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
Answered by AI
Add your answer

Q1. What are the fundamental concepts of JavaScript that were discussed during the interview?
Ans. 
Fundamental concepts of JavaScript discussed in the interview
• Data types in JavaScript (string, number, boolean, object, array)

• Functions and scope in JavaScript

• DOM manipulation and event handling

• Asynchronous programming with callbacks, promises, and async/await

• Object-oriented programming concepts in JavaScript
Answered by AI
Add your answer

Basic array and vectors DSA questions

Q1. Asked me about my past project and my contribution in it
Add your answer
Q2. Linux commands and c++ language control
Add your answer
Q3. Asked me to write last function i wrote and explain what it does
Add your answer

Q1. Asked me about my past projects and my contribution
Add your answer
Q2. Checked my work ethics
Add your answer

Q1. Basic hr questions
Add your answer
Q2. Salary negotiation
Add your answer

Q1. Interview questions for java developer
Add your answer
Q2. How to prepare for interview
Add your answer

Q1. How to clear this round
Add your answer
Q2. Technical jr has program round
Add your answer

Q1. Basic network and os related questions
Add your answer

1 hour 10 mins, MERN Stack, Face to Face. Mongodb, medium DSA Question, callback, eventloop, NodeJS asynchronous working

General awareness previous year papers affairscloud the most important thing

This is not fair to me to have exposure to your business

Q1. ESG related questions
Add your answer
Q2. GHG inventorisation related questions
Add your answer