Number.NaN

A propriedade Number.NaN representa um Não-Número. Equivalente a NaN.

Não precisas de criar um objecto Number para aceder a esta propriedade estática (static) (usa Number.NaN).

Property attributes of Number.NaN
Writable no
Enumerable no
Configurable no

Especificações

Especificação Estado Comentário
ECMAScript 1st Edition (ECMA-262) Standard Definição inicial. Implementado no JavaScript 1.1.
ECMAScript 5.1 (ECMA-262)
The definition of 'Number.NaN' in that specification.		 Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Number.NaN' in that specification.		 Standard  

Compatibilidade dos browsers

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
Funcionalidade Chrome Firefox (Gecko) Internet Explorer Opera Safari
Suporte básico (Yes) (Yes) (Yes) (Yes) (Yes)
Funcionalidade Android Chrome para Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Suporte básico (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

Ver também

  • O objecto global NaN.
  • O objecto Number ao qual pertence.

Last modified:

, by MDN contributors
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