Total 20 question (100 marks)
- 1. How can we prevent default behavior in React? What method you can call?
- 2. Which component lifecycle method, prepopulate a form in a React form component?
- 3. What command is used to start the React local development server?
- 4. Why should you avoid copying the values of props into a component's state?
- 5. What does the "webpack" command do?
- 6. Which input tag attribute should be set in a React reusable text input component, and is passed for
- 7. What is the testing library most often associated with React?
- 8. An altered component may be uniquely identified with the help of ref.
- 9. A copy of the 'real' DOM that is kept in memory is called what?
- 10. What is not a benefit of unidirectional data flow?
- 11. Which function call will create a React component from the React API?
- 12. How do you access a function fetch() from a h1 element in JSX?
- 13. ref is used to refer a element / component returned by _______________.
- 14. Although React Hooks generally replace class components, there are no plans to remove classes from React.
- 15. Select the component used by React for the structure of HTML elements.
- 16. To develop and run React code, Node.js is required.
- 17. React keeps track of what items have changed, been added, or been removed from a list using ________.
- 18. React considers everything as _______.
- 19. What if added to a component's style, determines the primary axis of its layout, and if using the
- 20. Which operator can be used to conditionally render a React component?