Sustracción (-)
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
El operador de sustracción (-) sustrae dos operandos, produciendo su diferencia.
Pruébalo
console.log(5 - 3);
// Expected output: 2
console.log(3.5 - 5);
// Expected output: -1.5
console.log(5 - "hello");
// Expected output: NaN
console.log(5 - true);
// Expected output: 4
Sintaxis
Operator: x - y
Ejemplos
Sustracción con números
js
5 - 3; // 2
3 - 5; // -2
Sustracción de no numéricos
js
"foo" - 3; // NaN
Especificaciones
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-subtraction-operator-minus |