ReactJs: Component
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Total 20 question (100 marks)
1. Which component lifecycle method, prepopulate a form in a React form component?
2. What is keyword helps call a component in another component?
3. Which code statement will set the value of a text box in the child component input field in
4. The RouterHandler object is listed in which React library.
5. What if added to a component's style, determines the primary axis of its layout, and if using the
6. What is the correct syntax to import a Component from React?
7. In React what is used to pass data to a component from outside?
8. Which item is needed for simple routing between React component but without a React Router?
9. React component names must begin with an uppercase letter.
10. Select the component used by React for the structure of HTML elements.
11. How many elements does a react component return?
12. What props will be available to the following component? <Hello {...props} />
13. Which operator can be used to conditionally render a React component?
14. which directory React Components are saved?
15. Which input tag attribute should be set in a React reusable text input component, and is passed for
16. Which function call will create a React component from the React API?
17. Which method call in a React component, of the 'Router.Navigation' mixin will move the user to next, after
18. Which of the following will block a button in a React form and cancel the event, from form
19. Which function in React, will show child components of a provided component?
20. Which method in a React Component should you override to stop the component from updating?
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