React Developer Interview Questions

3,046 react developer interview questions shared by candidates

1. What are Event Loops, Function currying, debouncing, a polyfill for bind, setTimeout,setInterval? 2. Memory Management in React? 3. Function Composition and Pipe 4. Basic css question like display none and visiblity hidden
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Senior React Js Developer

Interviewed at Dassault Systèmes

3.9
Mar 9, 2022

1. What are Event Loops, Function currying, debouncing, a polyfill for bind, setTimeout,setInterval? 2. Memory Management in React? 3. Function Composition and Pipe 4. Basic css question like display none and visiblity hidden

Second tech interview: 1. in React native app you have auth based on email and password (not Google API, Asure, etc.. ) how would you support keeping the user logged in to the app even after the app is shot down? ( token is not the answer because it is temporary ) learn about react-native-keychain. 2. what navigation did you use in react native, what kind of options does it provide, and what are the differences between the screen navigation effects of slide-from-sides(sequence) and slide-from-bottom(modal)? 3. you need to present a list of data, what will you use to render it? FlatList, explain about it.
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React Native Developer

Interviewed at HiBob

4.4
Sep 16, 2024

Second tech interview: 1. in React native app you have auth based on email and password (not Google API, Asure, etc.. ) how would you support keeping the user logged in to the app even after the app is shot down? ( token is not the answer because it is temporary ) learn about react-native-keychain. 2. what navigation did you use in react native, what kind of options does it provide, and what are the differences between the screen navigation effects of slide-from-sides(sequence) and slide-from-bottom(modal)? 3. you need to present a list of data, what will you use to render it? FlatList, explain about it.

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