The Decrement Operator (--)
Description
The decrement operator (--) subtracts 1 to the operand.
If it is placed after the operand, it returns the value before the decrement.
If it is placed before the operand, it returns the value after the decrement.
JavaScript Arithmetic Operators:
The Addition (+) Operator
The Subtraction (-) Operator
The Multiplication (*) Operator
The Division (/) Operator
The Exponentiation (**) Operator
The Remainder (%) Operator
The Increment (++) Operator
The Decrement (--) Operator