ReactJs Introduce and basic
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Total 20 question (100 marks)
1. Lifecycle methods are mainly used ___________.
2. Everything in React is a _____________.
3. What characterizes the React Router?
4. How do you access a function fetch() from a h1 element in JSX?
5. What are the limitations of ReactJS?
6. React is mainly for building _____________.
7. What is Babel?
8. Which of the following API is a MUST for every ReactJS component?
9. What is ReactJS?
10. If you see the following import in a file, what is being used for state management in the
11. What is characterizes in the virtual DOM?
12. What does React have no opinion on?
13. How do you fix the syntax error that results from running this code? const person =(firstName, lastName) => { first:
14. React considers everything as _______.
15. ReactJS uses _____ to increase performance.
16. JSX is typesafe?
17. Who is developed React.js?
18. React supports all the syntax of _________________.
19. What does the "webpack" command do?
20. What is not a benefit of unidirectional data flow?
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