Round 1:

  1. Javascript Design patterns you know ( Write some code on these)

  2. What is the architecture of React Js application

  3. Write Hello World Example in React Js

  4. From where React Js bootstrapping will start

  5. How views update in React Js

  6. Coding Standards you will follow when you writing javascript application

  7. Explain life cycle methods in React Js

  8. What are state and Stateless components in React Js

  9. what are pure and impure functions in Javascript

10.How transpiling works in React Js

Round 1 (from Candidate 2):

______________________________

_______________________

Closures

Datatype related questions

es 6

=== and ==

this keyword

Higher order components

Controlled components

console.log(-'6' + 9)

Where do we perform ajax calls

Testing

webpack

props and states

passing data from parent to child and from child to parent

lifecycle methods

where is ajax call performed?

Have you done testing?

Purpose of babel

Proptypes

some of the questions from document you sent me.

​

Round 1 (from Candidate 3):

______________________________

_______________________

​

Straightly went into last but one project and asked about technical stack, process and challenges faced

Coding

create a form with two input fields with submit button and make an ajax call to store it in database using bluejeans screen sharing app

Questions

:

what is http and https (deep)

what is post and put with one real time example

what is cross origin issue and how to resolve

how do you create grids in react

how many days will start developing if put into unknown project.

Round 2:

  1. Explain how to configure Webpack

  2. What is the flow and architecture of React Js application

  3. How will you build your React Js application client side or server side

  4. How Redux will works

  5. Where will you initialize state in React Js application

  6. What are state and Stateless components in React Js

  7. What is spread operator in ES6

  8. What are functional and class components in ES6

  9. What is difference between let and Const in ES6

Round 2 (from Candidate 2):

  • how to write a package to handle JSON files in webpack

  • why webpack is better than many other tools

  • lifecycle in React

  • explain actions in redux

  • explain reducers in redux

  • how to communicate from parent component to child component and then from child component

back to parent component

  • have you used any other frameworks besides ReactJS

Round 3:

  1. Which version of react you are using

  2. What is difference between px, %, Em in CSS

  3. Things you know in ES6

  4. What are arrow functions in ES6

  5. what is difference between let, Const and Var

  6. What is babel Js

  7. What are the design patterns you know

  8. What is inheritance how can you achieve in Javascript

  9. What is the base design pattern using in Redux Framework

  10. what is difference between null and undefined in Javascript

  11. What are different data types in Javascript

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