2 ms·

> What do you mean by weird quirks ? - undefined vs null vs empty - the pile of weirdness that is == - the other pile of weirdness that is implicit truthines

• z3t4 8y ago
  Ohh yeh, I think the equality table is just something you have to learn, like a chemist learn the periodic table. I make use of null==undefined a lot and prefer it over thruthy/falsy. I try to avoid NaN but sometimes use isNaN(nr)