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memo allows you to optimize the rendering of a Functional Component by comparing the props by
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Use useCallback to optimize rendering in React15
Write a React component as a function14
Call a function on the first render of a React component25
Write the missing code to render the children of the UserProfile component.10
Write a React component that updates the document title with each click and resets to 'React App' when the component unmounts.28
Write the non-JSX equivalent of the following code:14
Save the state used to display the selected page in a React component.