Actually no, all keys are strings in JS, and if you use something that isn't a string as a key, it is converted to a string (unless you meant Maps[1], which don

Actually no, all keys are strings in JS, and if you use something that isn't a string as a key, it is converted to a string (unless you meant Maps[1], which don't use object notation). [1]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Map https://developer.mozilla.org/docs/Web/JavaScript/Reference/...