Minimizing and isolating state. Not eliminating it, keeping state is often useful, but not everything needs statefulness, and keeping track of state is _hard_ (

Minimizing and isolating state. Not eliminating it, keeping state is often useful, but not everything needs statefulness, and keeping track of state is _hard_ (hi yes I'm backend, have fun FE folk). The loose pillar of functional programming to keep state and behavior separate means that the problem space for objects and functions goes down quite a bit, and reasoning about things becomes much easier. I don't think it'd be anything you could obviously point at in my code, but it's a day-to-day consideration that I have.