>Also worth noting that it's not always true that `a >= b` means `!(a < b)` in JavaScript. `'a' >= null` and `'a' < null` are both false.

That also means that the concluding section of the article is simply wrong. To be honest, it's a pretty poor read – a waste of many words to explain a spec that's pretty straightforward itself, and ending up in a major misunderstanding.