React Developer Interview Questions

3,476 react developer interview questions shared by candidates

console.log("Start"); setTimeout(() => {   console.log("Timeout"); }, 0); Promise.resolve().then(() => {   console.log("Promise 1"); }).then(() => {   console.log("Promise 2"); }); console.log("End"); predict the output check array elements are same or not what is debounce questions on pagination question on infinte scrolling react question given an array, filter the data based on user input in search bar and show only that name
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React Developer

Interviewed at Aquimo Sports

4.2
Mar 28, 2025

console.log("Start"); setTimeout(() => {   console.log("Timeout"); }, 0); Promise.resolve().then(() => {   console.log("Promise 1"); }).then(() => {   console.log("Promise 2"); }); console.log("End"); predict the output check array elements are same or not what is debounce questions on pagination question on infinte scrolling react question given an array, filter the data based on user input in search bar and show only that name

I can't recall any specific questions during calls. The technical part was a take-home project, which I can't describe in more details. It wasn't super difficult, but not exactly simple either. I'd rate it between average & difficult.
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Senior React Engineer (Core Team)

Interviewed at Ava Labs

4.3
Dec 5, 2022

I can't recall any specific questions during calls. The technical part was a take-home project, which I can't describe in more details. It wasn't super difficult, but not exactly simple either. I'd rate it between average & difficult.

Basic JavaScript questions as diff. between let , var & const , hoisting , temporal deadzone , closure , event loop, call(), apply(), and bind() methods , diff b/w map() & filter() ,how to change constant array. React JS questions such as component, Real DOM & Virtual DOM , React optimization techniques , Hooks - useRef() ,useEffect() , form validation , how to call API from frontend, Redux CSS3 questions such as pseudo classes , visibility:hidden-vs-opacity:0 , :not Selector HTML questions such as what is
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React Js Developer

Interviewed at Clover Infotech

3.3
Jun 5, 2024

Basic JavaScript questions as diff. between let , var & const , hoisting , temporal deadzone , closure , event loop, call(), apply(), and bind() methods , diff b/w map() & filter() ,how to change constant array. React JS questions such as component, Real DOM & Virtual DOM , React optimization techniques , Hooks - useRef() ,useEffect() , form validation , how to call API from frontend, Redux CSS3 questions such as pseudo classes , visibility:hidden-vs-opacity:0 , :not Selector HTML questions such as what is

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