What are the ways to avoid re-rendering a child component in React that has properties?

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Use shouldComponentUpdate or React.memo: Using shouldComponentUpdate or React.memo, which are lifecycle methods of a React component, can be helpful to avoid re-rendering of a child component. Both of these methods allow you to control whether the component should re-render based on the new props and state.

Use PureComponent: PureComponent is a component class provided by React that automatically implements shouldComponentUpdate with a shallow prop and state comparison. By using PureComponent instead of a regular component, you can avoid re-rendering of the child component.

Avoid unnecessary changes to props: The child component will re-render if any of its prop values change. Therefore, to avoid re-rendering, you should avoid unnecessary changes to props. For example, you can avoid creating a new object or array every time a component render, which would cause the component to re-render unnecessarily.

Use React context: If the props are being passed down multiple levels of the component tree, it may be more efficient to use React context to provide the necessary data to the child component.

Use immutable data: Immutable data is data that cannot be changed once it is created. By using immutable data, you can prevent unnecessary re-renders caused by the inadvertent modification of data. This is because React compares the old and new props and state using a shallow comparison, and if the reference to the data has changed, the component will re-render.