Implement the denouncing function, ans of null ===null, what is lazy loading, what is virtually dom
React Js Developer Interview Questions
540 react js developer interview questions shared by candidates
How React works Life Cycle hooks in React and its uses What is the use Effect hook and how it is used
Very bad experience as the interview didn't happen at all
Some basic javascript and reactjs questions
Why do you want to join persistent?
First Round is a Hacker Rank Coding Questions which consists of few MCQ questions and two complete coding questions 1. Complete Javascript Problem 2. Complete React Problem statement
What is React Fiber and uses?
React.js, TypeScript, JavaScript, GraphQL - What is pureComponent ? - lifecycle methods - hooks - diff between useEffect & useLayoutEffect - portals - how do you make API calls - refs in React, when are they used ? - error handling - what is prop drilling ? - difference b/w createElement() & cloneElement - React Router Authentication & Authorization - how do you handle browser incompatibilities GraphQL: - what are benefits of using GraphQL - GraphQL queries & mutation - multiple queries in one request - REST API request methods GET, POST, PUT, PATCH, DELETE - error handling TypeScript - getter & setters - generics in TS - declare in TS, namespace - classes in TS - assert in TS
Routing in Angular
1. the only Big question he asked Diff. b/w React and Angular ( interviewer wasted 20-25 min of time on this).
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