NewsBytes Front end Developer Interview Questions and Answers

Q1. What are React lifecycle Method
Ans. 
React lifecycle methods are functions that are called at different stages of a component's life.
• Mounting: constructor(), render(), componentDidMount()

• Updating: render(), componentDidUpdate()

• Unmounting: componentWillUnmount()

• Error Handling: componentDidCatch()
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Q2. How would you optimize the api call on input change(Debouncing)
Ans. 
Debounce the API call on input change to optimize performance.
• Implement a debounce function to delay the API call until the user has finished typing.

• Set a time interval for the debounce function to wait before making the API call.

• Cancel the previous API call if a new input change occurs before the time interval is up.

• Use a loading spinner to indicate to the user that the API call is in progress.

• Consider using a caching...read more
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Q3. A code where I have to apply memoize
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Q4. Tell me about yourself
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Q5. What is usememo hook
Ans. 
useMemo is a hook in React that memoizes the result of a function and returns the cached value when the inputs don't change.
• useMemo is used to optimize performance by avoiding unnecessary re-renders.

• It takes two arguments: a function that returns a value and an array of dependencies.

• If any of the dependencies change, the function is re-executed and the new value is cached.

• Example: useMemo(() => expensiveFunction(a, b),...read more
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Q1. What is my name
Ans. 
The question is asking for your name.
• Answer with your actual name

• Be honest and straightforward

• Avoid giving a fake name or trying to be clever
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Q2. Salry how much exoected
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Q1. Salary how mych
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Coding test nodejs assignnment

Medium to hard level problem questions and basic subjects fundamentals mcqs

Q1. Basic OS questions
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Q2. Basic CN questions
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GD Topic: Plastic Ban in India, Economic vs Environment variables affected?
2 Entries
Selected 3 out of 10 members to next round

Q1. Two Panelists(Indian(I) & Foreigner(F)):
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Q1. Interview with APAC Head
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Q2. Why Meero?
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Q3. Why Startup? Why not the conventional way?
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Q4. If I say I would be funding your startup idea would you leave Meero and work on that project or would you work simultaneously?
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Q5. Why should we select you when there are xx members waiting outside?
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Q6. Are you flexible to work at any time zone?
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Q7. Do you have a passport?
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Q8. If we offer you internship now will you accept it or try other companies?
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Life style questions and skill experience questions

Nodejs assignment was given