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Other References

CSSStyleDeclaration JS Conversion


JavaScript String valueOf()

Exemplo

Obter o valor de um texto:

let text = "Hello World!";
let result = text.valueOf();

O mesmo que:

let text = "Hello World!";
let result = text;

Mais exemplos abaixo.


Definição e uso

O valueOf()método retorna o valor primitivo de uma string.

O valueOf()método não altera a string original.

O valueOf()método pode ser usado para converter um objeto string em uma string.

Veja também:

O método toString()

Observação

O valueOf()método é o método padrão para strings JavaScript.

É usado internamente por JavaScript.

Normalmente, você não o usará em seu código.


Sintaxe

string.valueOf()

Parâmetros

NENHUM

Valor de retorno

Modelo Descrição
Uma linhaO valor primitivo da string.


Mais exemplos

Obtenha o valor de um objeto String:

let text = new String("Hello World!");
let result = text.valueOf();

Suporte ao navegador

valueOf() é um recurso ECMAScript1 (ES1).

ES1 (JavaScript 1997) é totalmente suportado em todos os navegadores:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes