Sure, but in practice most people ignore the prototypal features, especially if they're using the "class" keyword, so it may as well not be prototypal. Which is

Sure, but in practice most people ignore the prototypal features, especially if they're using the "class" keyword, so it may as well not be prototypal. Which is good, because the distinctly prototypal pieces are usually bad behaviors to rely on. The wrong kind of magic.