Web / React native
Difference between Functional component and class-based component in React.
|Functional component.||Class-based component.|
|Functional component cannot have state ( before React hooks, now it can have state with React 16.8 or higher). It renders component only based on props that are supplied from the parent.||A class-based component can have component level state.|
|Functional component are simple functions and light weighted. These are functions that accepts props as an argument and returns a React element.||A class-based component is a complex structure. It is an instance of a class derived from React. Component class. The class must implement a render() member function which returns a React component to be rendered.|
|functional component cannot use lifecycle methods.||The class-based component use lifecycle methods such as componentDidMount.|
Functional component example:
Class based component example:
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