Difference Between React.memo() and PureComponent

React.memo():

React.memo() is a higher-order component provided by React that recollects the rendered output of a functional component. That component is similar to `shouldComponentUpdate()` in class components but for functional components. When you wrap a functional component with `React.memo()`, React will only re-render the component if its props have changed....

PureComponent:

PureComponent is a base-class component provided by React that implements a shallow comparison of props and states to determine if a component should re-render.that is particularly useful for class components to optimize performance....

Difference Between React.memo() and PureComponent:

Feature React.memo() PureComponent Type Higher order component Base class component Performance Good for functional components Good for class components Re-render logic Memoizes based on props Performs shallow comparison of props and state Usage Functional Components Class components...

Conclusion:

Using React.memo() and PureComponent are both powerful tools provided by React to optimize performance by preventing unnecessary re-renders. Understanding their differences and choosing the suitable one based on the component’s type and basic requirements can significantly improve the efficiency of React applications....