> Type errors in frontend code are typically rare in comparison to state I find that this isn't true as soon as you weld Redux, MobX, or any other distributed-

> Type errors in frontend code are typically rare in comparison to state I find that this isn't true as soon as you weld Redux, MobX, or any other distributed-logic, central-state mechanism into an application. If you can avoid that, maybe it's superfluous. I would not write any new code in plain JavaScript today, though.