NaN !== NaN
![](https://www.darchuk.net/wp-content/uploads/2019/03/spain-3864733_640.jpg)
So there I was, minding my own business, again writing JavaScript tests… when suddenly I wanted to write a test to see what happens if NaN was supplied as a parameter. via GIPHY NaN Stands for “Not A Number”. You can get a NaN in a few different ways: But when checking for NaN, there’s … [Read more…]