ThrivePass Senior Software Engineer Interview Questions and Answers

Q1. Concept of Hoisting in Javascript
Ans. 
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their containing scope during compilation.
• Variable declarations are hoisted to the top of their scope, but not their initializations.

• Function declarations are fully hoisted, including their definitions.

• Hoisting can lead to unexpected behavior if not understood properly.
Answered by AI
Add your answer
Q2. What is arrow function
Ans. 
Arrow functions are a concise way to write functions in JavaScript.
• Arrow functions are anonymous functions defined using the '=>' syntax.

• They have a shorter syntax compared to traditional function expressions.

• Arrow functions do not have their own 'this' keyword, instead they inherit it from the parent scope.
Answered by AI
Add your answer
Q3. Polyfill of Promise
Ans. 
Polyfill of Promise is a code that adds Promise functionality to browsers that do not support it natively.
• Polyfill is a piece of code that provides the technology that you expect the browser to provide natively.

• Polyfill for Promise adds Promise functionality to browsers that do not support it, allowing developers to use Promises in their code.

• Examples of Promise polyfills include 'es6-promise' and 'promise-polyfill'.
Answered by AI
Add your answer

Q1. Implementation of carousel
Ans. 
Implementing a carousel for displaying multiple images or content in a rotating manner.
• Use a library like Slick or Owl Carousel for easy implementation

• Ensure images/content are responsive for different screen sizes

• Add navigation arrows or dots for user interaction

• Consider adding autoplay feature with customizable speed

• Optimize performance by lazy loading images
Answered by AI
Add your answer

Q1. It was more into problem solving using python
Add your answer

Q1. It was mostly on scenario based questions and I was asked to code online.
Add your answer

Q1. Discussion were there past projects, how different objectives were done.
Add your answer

Q1. System design questions related to the product
Add your answer

Q1. Design a paginated list of items, then improve efficiency
Ans. 
Design a paginated list of items and improve efficiency
• Implement lazy loading to fetch data only when needed

• Use caching to store previously fetched data for faster retrieval

• Optimize database queries to reduce load times
Answered by AI
Add your answer

Q1. Basics on Javascript, ReactJS
Add your answer

All categories question asking

Simple program asking javascript and data structures

Q1. Design patterns
Add your answer