[DanBC]

But you should be assuming that all articles you read are full of errors.

You spotted this error because you know the difference between Java and Javascript. But what about the stuff that you don't know? How do you spot those errors?

[majewsky]

Easy: I can't. This effect is known as Gell-Mann Amnesia effect: https://www.goodreads.com/quotes/65213-briefly-stated-the-ge...

[rounce]

I look things up that I don't know. Right click -> Search for '<term>'.