I see it as the opposite, if I'm going to learn a new feature, mdn would be the place to go to get a deep dive of what it does but once you understand it, w3sch

I see it as the opposite, if I'm going to learn a new feature, mdn would be the place to go to get a deep dive of what it does but once you understand it, w3schools is the place to go for a quick syntax and argument reference.