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What are the differences between the Class component and Functional component?

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Parameter Class Component Functional Component
Syntax This component requests you to extend from React. Component to create render function that in turn returns a react element It is just a plain JavaScript function that accepts props as their arguments and returns the react element.
Life cycle hooks Lifecycle hooks are created from the React Component. This class component makes lifecycle hooks available in it. We cannot use lifecycle hooks in a functional component.
Readability They are very difficult to test and read They are much easier to test and read