React Js Developer Interview Questions

React JS

Interviewed at HCLTech

3.5★

Mar 9, 2022

Don't waste your time for hcl

React Js Developer

Interviewed at EPAM Systems

4★

Apr 30, 2022

what is react? what is redux? useEffect, useState? many general questions.....

React Js Developer

Interviewed at Persistent Systems

4.2★

Jan 13, 2023

Basic React question eg Hooks, diff b/w useMemo vs React.memo

Front End Developer (React JS)

Interviewed at Microsoft

4★

May 26, 2026

Come cercheresti un numero di telefono da una lista online che ne contiene milioni e milioni?

Senior Frontend Developer-React JS

Interviewed at Firstsource Solutions

4.1★

Jul 25, 2023

- How do you make issue queries/mutations to a graphql server - how do you create graphql server ? What things you need ? - What is directive in graphql ? What is Fragment in GraphQL ? - How do you write unit tests for your Queries/Mutation (on server side) - TypeScript basics - Partial in TS - Decorators - union & discriminating unions - What are Generics in TS ? simple example - useCallback vs useMemo - call parent func from child component in React

React Js Developer

Interviewed at GlobalLogic

3.8★

Oct 3, 2024

Most probably first round will be focused on Javascript and coding of any string or array based questions will be asked.

React Js Developer

Interviewed at Capgemini

4.2★

Jan 10, 2021

Basic HTML, CSS, Javascript and React questions

Software Engineer - React JS

Interviewed at Namaste Credit

3.4★

Sep 15, 2021

Basic react questions like features and JSX, props virtualDOM

REACT JS and Javascript questions

React Js Developer

Interviewed at PurpleTalk

3.7★

May 11, 2023

Medium level questions relevant to front end stack.