Practice - React.js
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Practice Questions
Test your understanding with targeted questions
What does JSX stand for?
💡 Hint: Think about what the 'X' stands for.
What is the use of the Virtual DOM?
💡 Hint: Recall how React avoids direct manipulation of the real DOM.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does JSX stand for?
💡 Hint: Focus on the combination of JavaScript and a markup language.
True or False: The Virtual DOM allows React to update the UI faster than working directly with the real DOM.
💡 Hint: Think about how React optimizes updates in its structure.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
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