I found the following example to be extremely confusing:

  a = 10  
  b = 5 > a > 30

When I thought about it after seeing what it compiles to:

  var a, b;

  a = 10;  
  b = (5 > a && a > 30); 

I couldn't see how that statement could be true because a cannot be less than 5 while also be greater than 30.

Range checking I would assume would be:

  b = 5 < a > 30

You are absolutely right!

The range check would be "`5` is less than `a` and `a` is less than `30`". Meaning that `a` is between 5 and 30.

It's fixed now. Thanks martin-adams!

Glad I could help. And also noticed that you fixed the error in my version as well - ha!