Round I (taken by bar raiser)

• object by reference concept -> coding
• shallow copy vs deep copy
• currying question
• event delegation, benifits of event delegation
• event loop
• promise.all vs promise.allSettled
• promise.all coding
• promise.all polyfill
• box-model
• box-sizing

Round II

• discussion on projects
• webpack 5 module federation
• generate subsequence of given string in js, further sort it on the basis of length and alphabet
• how sorting condition is working in above code
• When arrow functions introduced?
• What are other es6 features
• let vs const
• Can const obj be changed ?
• how to prevent object from being changed ?
• crack pattern and print next sequence:
  1
  1 1
  2 1
  1 2 1 1
  1 1 1 2 2 1
  3 1 2 2 1 1

Round III

• project discussions
• hoisting
• prototype
• arrow functions
• o/p based
• event loop
• bind call apply
• null v/s undefined
• typeof null & typeof undefined
• event bubbling
• event capturing
• By default is it event bubbling or event capturing
• how to block event bubbling
• flatten an array given depth, if no depth flatten to innermost level
• class based question
• write compose function, that will take 2 function as arguements, will return a function that will do operation on value provided.

Round IV

• Dicussion on projects
• lifecycle in class components
• can we access previous props and previous state in functional components ?
• code for above
• hook that doesnt trigger render

Hiring Manager

• cultural fit questions
• situation based question

Compensation details

https://leetcode.com/discuss/compensation/4980704/Tekion-Bangalore