React Developer Interview Questions

3,481 react developer interview questions shared by candidates

What are oops , what is JSON, why use JSON instead of other formats, what is multilevel and multiple inheritance, why doesn't java support multilevel inheritance, what is dynamic and static memory. Tell me about your project.
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React IS Developer

Interviewed at Movate

3.6
Jan 5, 2020

What are oops , what is JSON, why use JSON instead of other formats, what is multilevel and multiple inheritance, why doesn't java support multilevel inheritance, what is dynamic and static memory. Tell me about your project.

Life cycle hooks, Why we import react on top, Animated API related (Its a bonus point for you and they will ask you about Animated API only if you know otherwise they will continue with other common questions) , console.log(1 == '1'), difference between prop and state and all common other questions related to React Native.
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React Native Developer

Interviewed at OyeLabs

4.7
Mar 22, 2022

Life cycle hooks, Why we import react on top, Animated API related (Its a bonus point for you and they will ask you about Animated API only if you know otherwise they will continue with other common questions) , console.log(1 == '1'), difference between prop and state and all common other questions related to React Native.

console.log("Start") setTimeout(()=>{ console.log("this is time") },100) let obj = new Promise((resolve,reject)=>{ setTimeout(()=>{ console.log("Promise is created") },500) console.log("Promise is consumed") }) console.log("End")
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React Developer

Interviewed at CK-12 Foundation

3.9
Apr 1, 2025

console.log("Start") setTimeout(()=>{ console.log("this is time") },100) let obj = new Promise((resolve,reject)=>{ setTimeout(()=>{ console.log("Promise is created") },500) console.log("Promise is consumed") }) console.log("End")

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