1. State and Props to elaborate the concept with complete source code?
  2. What are stateless components in React.js?
  3. What are the advantages and disadvantages of using React components?
  4. What are the benefits of using React.js?
  5. What is a router in React.js?
  6. What is Flux concept in ReactJS? Explain various flux elements including Action, Dispatcher, Store and View. Give a simple practical example of installing and using Flux in an application?
  7. What is Flux in React.js?
  8. What is high-level component lifecycle in React.js?
  9. What is JSX and how JSX can help applications in React.js?
  10. What is low-level component lifecycle in React.js?
  11. What is ReactJS-JSX? What are the advantages of using JSX? Explain basic code snippet of JSX with the help of a practical example?

TOP MNC REACT JS INTERVIEW QUESTIONS