JS libraries break all the time. APIs and experimental language features break sometimes.
But the low-level core fundamentals of the language, such as the way math works, have never changed in it's entire existence. Even the fairly minor changes in strict mode require explicitly opting-in.
JS libraries break all the time. APIs and experimental language features break sometimes.
But the low-level core fundamentals of the language, such as the way math works, have never changed in it's entire existence. Even the fairly minor changes in strict mode require explicitly opting-in.