Total 20 question (100 marks)
- 1. Arbitrary inputs of components are called __________.
- 2. What is keyword helps call a component in another component?
- 3. To develop and run React code, Node.js is required.
- 4. ReactJS uses _____ to increase performance.
- 5. React merges the object you provide into the current state using __________
- 6. What is ReactJS?
- 7. ref is used to refer a element / component returned by _______________.
- 8. If you want to import just the Component from the React library, what syntax do you use?
- 9. Select the main rival of Gulp
- 10. Which of the following needs to be updated to achieve dynamic UI updates?
- 11. Select the programming language NOT used within the ESLintrc file.
- 12. What is the children prop?
- 13. What is a common use case for ref?
- 14. If our elements are dynamic, react can keep track of the changes using keys.
- 15. Which function in React, will show child components of a provided component?
- 16. React keeps track of what items have changed, been added, or been removed from a list using ________.
- 17. What are the limitations of ReactJS?
- 18. In React state can be accessed using ________.
- 19. How do you fix the syntax error that results from running this code? const person =(firstName, lastName) => { first:
- 20. When rendering a list using the JavaScript map() method, what is required for each element rendered?