>>> or, worse, shoehorn a map. That's exactly what JavaScript does (as I understand it), but it hides it from you. And the implementation authors have optimize

>>> or, worse, shoehorn a map. That's exactly what JavaScript does (as I understand it), but it hides it from you. And the implementation authors have optimized it over the years. https://stackoverflow.com/questions/5048371/are-javascript-arrays-primitives-strings-objects https://stackoverflow.com/questions/5048371/are-javascript-a...