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Javascript Questions Set 258:

Quiz Mode

Which hook is used to manage a form's state in React.js?

useForm

useReducer

useState

useEffect

Solution:

Which hook is used to create a reusable function in React?

useMemo

useCallback

useEffect

useState

Solution:

Which hook is used to run side effects in a functional component?

useState

useContext

useEffect

useMemo

Solution:

Which hook is used to manage a component's lifecycle in React?

useEffect

useMemo

useCallback

useReducer

Solution:

Which hook is used to optimize performance by memoizing the output of a function?

useCallback

useState

useEffect

useMemo

Solution:

Which hook is used to create reusable logic across multiple components in React.js?

useReducer

useContext

useMemo

custom hooks

Solution:

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

To manage component state

To handle component lifecycle methods

To optimize performance by memoizing functions

To create reusable components

Solution:

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

To manage component state

To handle component lifecycle methods

To share data between components without prop drilling

To create reusable components

Solution:

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

To manage component state

To handle component lifecycle methods

To manage complex state that follows a specific pattern

To create reusable components

Solution:

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

To render a component based on its props

To create a new state variable

To perform side effects such as data fetching and DOM manipulation

To update the state variable when it changes

Javascript Questions Set 258:

Which hook is used to manage a form's state in React.js?

Solution:

Which hook is used to create a reusable function in React?

Solution:

Which hook is used to run side effects in a functional component?

Solution:

Which hook is used to manage a component's lifecycle in React?

Solution:

Which hook is used to optimize performance by memoizing the output of a function?

Solution:

Which hook is used to create reusable logic across multiple components in React.js?

Solution:

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

Solution:

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

Solution:

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

Solution:

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

Solution:

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