Number.NaN

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.

La propiedad Number.NaN representa Not-A-Number (No es numero). Equivalente de NaN.

Pruébalo

No tienes que crear un objeto Number para acceder a esta propiedad estática (usa Number.NaN).

Atributos de la propiedad Number.NaN
SobrescribirNo
NumerableNo
ConfigurableNo

Ejemplos

Chequea si los valores son numericos

js
function sanitise(x) {
  if (isNaN(x)) {
    return Number.NaN;
  }
  return x;
}

Testing against NaN

See Testing against NaN on the NaN page.

Especificaciones

Specification
ECMAScript Language Specification
# sec-number.nan

Compatibilidad con navegadores

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
NaN

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

Tambien mira

  • El objeto global NaN .
  • El objeto Number al que pertenece.