which is the efficient way to write component in react ( functional or class)?

Question

In almost every interview it is being asked whether I should use functional component or class component. How can I decide that?

Answer 1

https://medium.com/@Zwenza/functional-vs-class-components-in-react-231e3fbd7108#:~:text=The%20most%20obvious%20one%20difference,which%20returns%20a%20React%20element.