React Quiz

React is a JavaScript library for building user interfaces. Test your knowledge with this React quiz made especially for beginners.

 

Results

#1. React is mainly for building ___

#2. JSX is necessary to work with React.js?

#3. Reactjs data flow implementation?

#4. Which helps react for keeping their data unidirectional?

#5. React.js Covers only the view layer of the app?




#6. Which is used to keep the value of components unique?

#7. Which of the following API is necessary for React.js component?

#8. Which is used to update the state?

#9. Which of the following mounting methods are invoked before the component is inserted into DOM?

#10. ReactJS renders Components start with?




#11. A parent component could access or read its children components properties?

#12. which of the following method define default values for properties using props?

#13. Which is used to pass the data from parent to child?

#14. To achieve dynamic UI updates. Which of the following needs to be updated ?

#15. Which of the following represented the Pre and post life cycle methods of components ?




#16. Which of the following is the correct data flow sequence of flux concept?

#17. React.s focuses on which of the following part when considering MVC?

#18. Which of the following is not components of Redux?

#19. In component lifecycle which one is executed before rendering?

#20. Once you create an element, React you can’t change its children or attributes?




#21. Life cycle methods of a components fall under following categories?

#22. What is the name of React.js Developer ?

#23. Who Develop React.js?

#24. What is ReactJS?

#25. How can you access the state of a component from inside of a member function?




#26. Props are __________ into other components

#27. Which of the following API is a MUST for every ReactJS component?

#28. What are the advantages of React JS?

#29. What does the “webpack” command do?

#30. What is a react.js in MVC?




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