[iamdanfox]

This is familiar to programmers who are used to pointers or references. (Java's `final` does the same thing).

To prevent changes to an object's properties, you could use `Object.freeze()` instead [1]. NB, this is shallow, so a child object of a frozen object can still have its properties changed.

[1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

[jacopotarantino]

Thanks for the feedback! I did know about the pointer bit but for people unfamiliar this might come as a bit of a shock. I'm going to update the post. Hit me up on twitter if you'd like to be credited(@jacopotarantino) since I don't check in here very often.