Unary Operators: All unary operators
unary - an operation with only one operand
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All unary operators
- a unary operator is preceding (or following) its operand
WHEN the operator is before the operand
- AND it is
+ THEN a number-like string converts it to a number
- AND it is
- THEN a number-like string converts it to the negated value of this number
- AND it is
~ THEN a number-like string converts it to a number and return the bitwise complement
- AND it is
! THEN a boolean-like string returns the negated boolean
- AND it is
delete before an object`s property THEN the property is removed
- AND it is
void THEN it returns undefined
- AND it is
typeof THEN it returns the operand`s type
- AND it is
++ THEN it increments the operand
- AND it is a
-- THEN it decrements the operand
WHEN the operator is after the operand
- AND it is
++ THEN the operand is incremented
- AND it is
-- THEN the operand is decremented