Oh yeah functional & class components. Functional components are always smaller than class components. Rule of thumb: use functional component if you are only rendering something without much need for JS logic!
On this page of the site you can watch the video online React Tutorial #3: Functional & Class Components with a duration of hours minute second in good quality, which was uploaded by the user Andrew Chen 12 March 2019, share the link with friends and acquaintances, this video has already been watched 24 times on youtube and it was liked by 1 viewers. Enjoy your viewing!