Advanced Logic

Truthy and Falsy

When in doubt, just use ! to invert the boolean.

It's true, it's true, it's true!
But what about false?
Falsy examples are a real thing.

Falsy Examples

Falsy Examples

Because sometimes false is not just false...

When the user is not authenticated, it's false.
But what about NULL?
Is it true or false?

NULL Examples