Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does JSX stand for?
💡 Hint: Think about what the 'X' stands for.
Question 2
Easy
What is the use of the Virtual DOM?
💡 Hint: Recall how React avoids direct manipulation of the real DOM.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does JSX stand for?
- JavaScript and XML
- JavaScript XML
- Java XML
💡 Hint: Focus on the combination of JavaScript and a markup language.
Question 2
True or False: The Virtual DOM allows React to update the UI faster than working directly with the real DOM.
- True
- False
💡 Hint: Think about how React optimizes updates in its structure.
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Challenge Problems
Push your limits with challenges.
Question 1
Design a simple React application that utilizes both Context API and useReducer for state management. Explain your design choices.
💡 Hint: Consider how to effectively use both the API for sharing data and the reducer for state logic.
Question 2
Create a custom hook that fetches user data from an API and handles loading and error states. Include how you would test the custom hook.
💡 Hint: Focus on how your code structure allows for easy testing and integration.
Challenge and get performance evaluation