Operator | Examples (Result) | Description
---------|-----------------------------------------------|--------------------------------
-! | !"Hello" (false), !false (true) | Log<!-- ignore BLACKLIST -->ical negation of the operand
+! | !"Hello" (false), !false (true) | Logical negation of the operand
~ | ~true (false) | Bitwise negation of the operand
+ | 1 + 3 (4), "hello " + "world" ("hello world") | Adds two numbers; concatenates strings
- | 3 - 1 (2) | Subtracts two numbers