Who said anything about not having to write any platform specific code? "with some proper care of the inevitable small standard deviations" Is exactly what I w

Who said anything about not having to write any platform specific code? "with some proper care of the inevitable small standard deviations" Is exactly what I would say is required to make a game run on different platforms. It of course depends on what you want to do, but if you limit yourself to the subset that is the browser there shouldn't be any real problems at all.