The reckless coding culture of JS favors producing garbage. In real life, if you're environmentally conscious (hey there, my European readers), you probably do all sorts of crazy thinks to cut down on garbage — reject plastic bags in a supermarket, recycle bottles, keep the paper garbage in a closet until the special paper-garbage truck comes on Thursday. But when it comes to JS, the general sentiment magically becomes "let's litter like crazy, then let the engine designers do their thing a...