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Javascript Questions Set 259:

Quiz Mode

Which hook is used to manage global state in React.js?

useEffect

useState

useReducer

useContext

Solution:

Which hook is used to create an inline style object in React?

useState

useEffect

useCallback

useMemo

Solution:

Which hook is used to prevent unnecessary re-renders in React?

useMemo

useCallback

useEffect

useState

Solution:

Which hook is used to handle errors in React?

useError

useErrorHandler

useCatchError

None of the above

Solution:

Which React hook is used to set the title of a web page?

useTitle

useEffect

useDocumentTitle

usePageTitle

Solution:

Which hook is used to share state logic between components in React?

useContext

useMemo

useCallback

useReducer

Solution:

What are the types of streams in Node.js?

Readable, Writable, and Duplex

HTTP, TCP, and UDP

Callbacks, Promises, and Async/await

MongoDB, Redis, and MySQL

Solution:

What is the purpose of the useCallback hook in React.js?

To memoize a function and prevent unnecessary re-renders

To create a new component and render it

To update the state of a component

To handle user input in a form

Solution:

What is the purpose of the useLayoutEffect hook in React.js?

To manage component lifecycle methods before a component is mounted or updated

To perform side effects after a component has rendered to the screen

To memoize a function and prevent unnecessary re-renders

To update the state of a component

Solution:

What is the difference between the useCallback() and useMemo() hooks in React.js?

useCallback() is used for memoizing a function, while useMemo() is used for memoizing a value.

useCallback() is used for memoizing a value, while useMemo() is used for memoizing a function.

useCallback() and useMemo() are interchangeable.

useCallback() and useMemo() are not used for memoization.

Solution:

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Javascript Questions Set 259:

Which hook is used to manage global state in React.js?

Solution:

Which hook is used to create an inline style object in React?

Solution:

Which hook is used to prevent unnecessary re-renders in React?

Solution:

Which hook is used to handle errors in React?

Solution:

Which React hook is used to set the title of a web page?

Solution:

Which hook is used to share state logic between components in React?

Solution:

What are the types of streams in Node.js?

Solution:

What is the purpose of the useCallback hook in React.js?

Solution:

What is the purpose of the useLayoutEffect hook in React.js?

Solution:

What is the difference between the useCallback() and useMemo() hooks in React.js?

Solution:

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