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What is a state manager, such as Redux or Mobx used for?
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Use useCallback to optimize rendering in React28
Write the non-JSX equivalent of the following code:10
Write a React component that updates the document title with each click and resets to 'React App' when the component unmounts.25
Write the missing code to render the children of the UserProfile component.15
Write a React component as a function14
Call a function on the first render of a React component14
Save the state used to display the selected page in a React component.