Why would you use shouldComponentUpdate in a class component?

  • To create custom hooks for functional components.
  • To improve code readability in class components.
  • To optimize performance by controlling re-renders.
  • To specify the initial state of a class component.
shouldComponentUpdate is used in class components to optimize performance by controlling when a component should re-render. By implementing this method, you can define custom logic to determine whether a re-render is necessary based on changes in the component's props or state. It's not related to creating custom hooks, improving code readability, or specifying initial state in class components.
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