Total 20 question (100 marks)
- 1. Arbitrary inputs of components are called __________.
- 2. What is the correct syntax to import a Component from React?
- 3. Why should you avoid copying the values of props into a component's state?
- 4. How do you fix the syntax error that results from running this code? const person =(firstName, lastName) => { first:
- 5. React supports all the syntax of _________________.
- 6. props in react can________.
- 7. What does the "webpack" command do?
- 8. If you want to import just the Component from the React library, what syntax do you use?
- 9. Components cannot refer to other components in their output.
- 10. What is the children prop?
- 11. We can go for keys when there is a possibility that our user could change the data.
- 12. Select the command to install gulp-connect locally.
- 13. Which method in a React Component should you override to stop the component from updating?
- 14. What are the limitations of ReactJS?
- 15. What happens when the following render() method executes? render(){ let langs = ["Ruby","ES6","Scala"] return (<div>
- 16. ReactJS uses _____ to increase performance.
- 17. React can only render elements in the root document element.
- 18. What is the default local host port that a React development server uses?
- 19. A copy of the 'real' DOM that is kept in memory is called what?
- 20. Which operator can be used to conditionally render a React component?