JavaScript Unary Operators

JavaScript Unary Operators

Unary operators are the operators which requires only one operand. While a binary operator requires and tertiary requires three operands.

The Unary Operators are as shown below:

Operator	Description
+	Converts its operands to umber type
-	Converts its operands to umber type negates it
++exp	Increment the value by one and store it back in variable. Returns new incremented value
--exp	Decrement the value by one and store it back in variable. Return new decrement value
exp++	Return the old value. Increment the value by one and store it back in variable.
exp--	Returns the old value. Decrement the value by one and store it back in the variable.

Example

Output

Unary Operators

28
22
21
21
22