React refs appear to be a very simple feature. You pass a special prop to a DOM component, and you can access the current DOM node for that component in your JS. This is one of those great APIs that work just the way you'd expect, so you don't even think about how, exactly, it happens. Along my descent into React internals I started noticing that there was more to the ref API than I always thought. I dug deeper, and in this post I'll share my findings with you and provide a few neat ref trick...
