[TeMPOraL]

I'm saddened by the possibility that this is what they teach juniors these days. This approach is, IMO, borderline unethical.

Offloading to the client device in order to free up server resources quite often means taking the load your server could handle once and multiplying it millionfold, once per each of your million visitors. In other words, your product just started to burn a million time more electricity than necessary. We should call it by its true name - externalizing costs - with all the negative baggage associated with that phrase.