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Web Development Questions - React.js

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What is the purpose of keys in React lists?
Web Development React.js Objective
Posted: Sep 28, 2025 View Details
Which of the following is NOT a React hook?
Web Development React.js Objective
Posted: Sep 28, 2025 View Details
What is prop drilling?
Web Development React.js Objective
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How do you create a controlled component?
Web Development React.js Objective
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What is React.Fragment used for?
Web Development React.js Objective
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Which method is used to update state in class components?
Web Development React.js Objective
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What is the default port for React development server?
Web Development React.js Objective
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How do you conditionally render elements in React?
Web Development React.js Objective
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What is the purpose of useCallback hook?
Web Development React.js Objective
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Which command creates a new React application?
Web Development React.js Objective
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What is the Context API used for?
Web Development React.js Objective
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How do you handle form submission in React?
Web Development React.js Objective
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What is React Router used for?
Web Development React.js Objective
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Which hook is used to access context values?
Web Development React.js Objective
Posted: Sep 28, 2025 View Details
What is the difference between props and state?
Web Development React.js Objective
Posted: Sep 28, 2025 View Details
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