[ericcholis]

If || is too ugly use the ternary operator, it's inline and only slightly more verbose. That being said, I think using || is a nice pattern for readability.

[a3n]

And what about the article's argument about passing in 0, which is falsey?

[vilmosi]

Just be careful. It's worth it at the end of the day.

Honestly, 0 sounds like a default value in most cases anyway.