context: https://clojurians.slack.com/archives/C034FQN490E/p1698174828257399

That was amazing, I asked some questions and then he told me it was already done 😅

hehehe, yeah, how do people actually measure these things :)

https://tailrecursion.com/~alan/micha_on_hoplon_vs_react/index.html may illuminate

tl;dr • problem react solves is needing to necessarily empty out all dom nodes before you add them all back, like if you're syncing an array with a set of elements (like an array to a bunch of todo <li> • hoplon solves differently by promoting fine-grained subscriptions to cells. DOM nodes are pooled and reused, no diffing other than clj = inside javelin

it's basically immediate mode (React) vs. retained mode (Hoplon+Javelin, DOM), in UI speak