Unary negation (-)
The unary negation operator (-) precedes its operand and negates it.
Syntax
-x
Examples
Negating numbers
const x = 3;
const y = -x;
// y = -3
// x = 3
Negating non-numbers
The unary negation operator can convert a non-number into a number.
const x = "4";
const y = -x;
// y = -4
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-unary-minus-operator |
Browser compatibility
BCD tables only load in the browser