The interview was a bit long around 50 mins, interviewer asked me one simple javascript code to reverse an array in two ways, then gave me some react code snippet and told me to add some code to it, then questions about react hooks, lifecycle methods, especially useEffect, Dom and virtual dom, output of a react code snippet, and more theory questions related to javascript looping methods, then about the reduce method of js. Next round was Manager interview, he asked me about my projects, challenges i faced during making it, time it took to make, error handling, some more react questions like ssr and error handling, then he asked what is redux. Then some general questions like what are you looking for and so on.
React Js Developer Interview Questions
538 react js developer interview questions shared by candidates
Q: What is react? Q: Why do we use react instead of other frameworks? Q: What is the virtual dom concept? Q: useState & use effect hooks? Q: Class-based component and functional component? Q: How to call parallel call API? Q: Use of Key word in React? Q: diff between === & == Q: Basis width of mobile phone? Q: universal selector? Q: media query? Q: diff between absolute and relative position?
Q: What is useEeffect()? Q: How to mange state? Q: How Redux works? Q: Some Questions about form validation (Formik form)?
1. What are the life components of reactjs? 2. Define use state, use effect.
What kind's of Hooks you have used
react js , js coding question like string reverse, shallow copy deep copy life cylce method
What is the difference between real dom and virtual dom
General HR and motivational questions, plus 10 technical interview quiz questions related to javascript and Vue.js 3.
Basics of react js and communication in first round ,after this they took machine test based on react and mui .after this also teken interview on react .
Tell me about yourself.
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