Nykaa Front end Developer Interview Questions and Answers

Q1. Questions on optimizations
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Q2. Question on React Js
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Medium level DSA question in JS

There was an online coding test on signal consisting of leetcode easy medium and hard

Q1. Asked about fundamentals of javascript and react
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Q2. React lifecycle in functional components
Ans. 
React lifecycle in functional components
• useEffect hook replaces lifecycle methods

• useEffect runs after every render by default

• useEffect can be controlled by dependencies array

• useEffect cleanup function can be used to clean up effects

• useLayoutEffect hook runs synchronously after DOM mutations
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Return numbers in array equal to sum

Machine coding round with 3 hours to make UI for a given problem statement

Q1. Questions related to nuances of React and javacript.
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Q1. Few behaviourial questions.
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Q1. Given a matrix zeros and ones find minimum distance for each one to a zero.
Ans. 
Given a matrix of zeros and ones, find the minimum distance for each one to a zero.
• Use breadth-first search (BFS) to find the minimum distance from each one to a zero.

• Start by initializing a queue with all the zeros in the matrix.

• While the queue is not empty, dequeue a zero and enqueue its neighboring ones.

• Keep track of the distance from each one to the nearest zero.

• Repeat until all ones have been visited.

• Return the ma
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Q1. Questions on optimizations
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Q2. Question on React Js
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Medium level DSA question in JS

Q1. Question around setTimeout implementation and clearTimeout
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