Even looking at what you've typed was hard for my old (!!) brain to read, especially != and !==. It's brain training - you find "!" hard to spot, and I don't.

Even looking at what you've typed was hard for my old (!!) brain to read, especially != and !==. It's brain training - you find "!" hard to spot, and I don't. And vice versa for ligatures. Thank goodness we both have choices!