JavaScript POSITIVE_INFINITY attribute

　Objeto Number do JavaScript

POSITIVE_INFINITYattribute represents the value of positive infinity.

The value of Number.POSITIVE_INFINITY is the same as the global object'sInfinityvalues are the same.

Because POSITIVE_INFINITY is a static property of Number, you should always use it asNumber.POSITIVE_INFINITYbut not as the attribute of the created Number object.

Syntax:

Number.POSITIVE_INFINITY

Number.POSITIVE_INFINITY;

The behavior of the return value is slightly different from mathematical infinity:

• Any positive value (including POSITIVE_INFINITY) multiplied by POSITIVE_INFINITY results in POSITIVE_INFINITY

• Any negative value (including NEGATIVE_INFINITY) multiplied by POSITIVE_INFINITY results in NEGATIVE_INFINITY

• Any positive number divided by POSITIVE_INFINITY results in positive zero

• Any negative number divided by POSITIVE_INFINITY results in negative zero

• Zero multiplied by POSITIVE_INFINITY results in NaN

• NaN multiplicado por POSITIVE_INFINITY resulta em NaN

• POSITIVE_INFINITY dividido por qualquer valor negativo além de NEGATIVE_INFINITY resulta em NEGATIVE_INFINITY

• POSITIVE_INFINITY dividido por qualquer valor positivo além de POSITIVE_INFINITY resulta em POSITIVE_INFINITY

• POSITIVE_INFINITY dividido por NEGATIVE_INFINITY ou POSITIVE_INFINITY resulta em NaN

Compatibilidade do Navegador

Todos os navegadores suportam completamente a propriedade POSITIVE_INFINITY:

Detalhes Técnicos

Mais Exemplos

Retorna POSITIVE_INFINITY ao exceder o limite:

var num =　5　/　0;

　Objeto Number do JavaScript