4 ms·
Runtime performance is another one. Map lookups aren’t free, especially if there’s a whole bunch of them happening in every component on every render.
by danabramov 8y ago
Runtime performance is another one. Map lookups aren’t free, especially if there’s a whole bunch of them happening in every component on every render.
- k__ 8y agoYes, the order restriction buys a lot of things rather cheaply. And while I trust the React teams judgement, I teach people React and they often question the "why".