What is the primary use of the shouldComponentUpdate lifecycle method in React?

To check if the component should re-render based on certain conditions.
To fetch data from an API.
To render the component's UI.
To update the component's state.

The primary use of the shouldComponentUpdate lifecycle method in React is to check if the component should re-render. It is often used to optimize performance by preventing unnecessary renders when certain conditions are met. This can be useful to avoid rendering when the component's props or state haven't changed, thus saving rendering resources.

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