WebReact questions: What is the difference between state and props? What is JSX? Why is it not recommended to use an iterator as a key in React? How would you make sure code is only run the first time a component is rendered? What are refs used for? What is an example of how you have fetched data in React? WebSo the correct answer to that interview question would be: "you only need to use class components for error lifecycles, except if you're u/selbekk, in which case you're using a lib that wraps them". 23 Reply wldcordeiro • 2 yr. ago Which internally is still a class component... 12 Reply selbekk • 2 yr. ago You’re a class component 11 Reply
ReactJS Interview Questions With Answers (Updated)
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300+ React Interview Questions : r/reactjs - Reddit
WebMar 18, 2024 · Basic Core Java Interview Questions: Q1. Whatever is and difference between an Indoor Class and a Sub-Class? Ans: And Inner class is a class which is nested within more class. An Inner type has zufahrt rights for the class whichever are nesting it and this can access all variables and methods defined in the out classify. WebMar 18, 2024 · 1) How are the important categories of software? System books Application software Embedded software Web Applications Artist Intelligence download Scientific hardware. 2) What is one mains diff WebDec 19, 2024 · React Interview Questions for Freshers 1. What is React? 2. What are the advantages of using React? 3. What are the limitations of React? 4. What is useState() in React? 5. What are keys in React? 6. What is JSX? 7. What are the differences between … Level up your programming skills with our comprehensive guide containing … Take popular mock tests for free with real life interview questions from top tech … The STAR method is a structured way to respond to behavioral-based interview … Here, you will find a collection of real-world Interview questions asked in companies … Learn and Practice on almost all coding interview questions asked historically … dhl johar town g1