JavaScript const Keyword

Question

Does the const keyword in JavaScript create an immutable reference to immutable data structures? [I\'m assuming that immutable data structures exist in JavaScri

Answer 1

Yes, it does create an immutable reference, but it is not been standardized and is not supported in all browsers.

See this MDN article on the const keyword for details and compatability.

However, it doesn't do anything to set the referenced data structure as immutable. Several answers below address that question using, for example, Object.freeze