The biggest thing most people don't understand is that React re-renders recursively by default, regardless of whether any particular child component's props act

The biggest thing most people don't understand is that React re-renders recursively by default, regardless of whether any particular child component's props actually changed or not. Most of its behavior patterns follow from that one. I have an extensive post called "A (Mostly) Complete Guide to React Rendering Behavior) that covers the concepts and nuances in detail: - https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-mostly-complete-guide-to-react-rendering-behavior/ https://blog.isquaredsoftware.com/2020/05/blogged-answers-a-...