| 03:34 | <ljharb> | spenguin: in general, `instanceof` has always been unreliable due to [[Prototype]] hijinx with __proto__, and in ES6, Symbol.hasInstance was added, so now it's entirely unreliable |
| 03:34 | <ljharb> | (or at least, the question it answers is almost never what people are asking) |
| 13:03 | <spenguin> | ljharb: oh wow I didn't know about Symbol.hasInstance |