BYJU'S React Js Frontend Developer Interview Questions and Answers

Q1. Asked about lazy loading ?
Add your answer
Q2. What do you mean by denouncing?
Ans. 
Denouncing refers to publicly declaring something as wrong or evil.
• Denouncing is the act of condemning or criticizing something publicly.

• It is often done to express disapproval or to call attention to a wrongdoing.

• Examples include denouncing acts of violence, discrimination, or corruption.

• Denouncing can also be used in political contexts to criticize policies or actions of a government.
Answered by AI
Add your answer
Q3. How redux state are cleaned ?
Ans. 
Redux state can be cleaned by dispatching an action to reset the state to its initial values.
• Dispatching an action with type 'RESET_STATE'

• Updating the reducer to return the initial state when 'RESET_STATE' action is dispatched
Answered by AI
Add your answer
Q4. Sorting the array
Add your answer
Q5. Make pagination and sorting coding questions.
Add your answer

Q1. How Netflix video loading works it was of system design
Ans. 
Netflix uses a content delivery network (CDN) to efficiently load videos based on user location and network conditions.
• Netflix uses a distributed network of servers to store and deliver video content closer to users for faster loading times.

• Content is cached on servers located in various regions to reduce latency and improve streaming quality.

• Netflix employs adaptive bitrate streaming to adjust video quality based on a...read more
Answered by AI
Add your answer
Q2. How can we download csv file of more then 1000mb and show the data that is downloaded while downloading?
Ans. 
To download a large CSV file (>1000mb) and show the data while downloading, use streaming and pagination techniques.
• Implement streaming to download the file in chunks instead of all at once.

• Use pagination to display the downloaded data in parts as it is being downloaded.

• Consider using libraries like PapaParse for parsing CSV data efficiently.

• Show a progress bar or indicator to inform the user about the download status.
Answered by AI
Add your answer
Q3. Pattern question
Add your answer
Q4. React assingment
Add your answer

Round duration - 30 Minutes
Round difficulty - Easy

Q1. 
Furthest Building You Can Reach
In this problem, Ninja prefers jumping over building roofs rather than walking through the streets. The heights of the buildings in his city are represented by an array HEI...read more
Add your answer