It is important to understand that the purpose of using JWT is NOT to hide or obscure data in any way. The reason why JWT are used is to prove that the sent data was actually created by an authentic source.
The problem with callbacks is it creates something called “Callback Hell.” Basically, you start nesting functions within functions within functions, and it starts to get really hard to read the code.
And as you can see that works perfectly. The minmax() function defines a size range greater than or equal to min and less than or equal to max.