String.prototype[@@iterator]()

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O método [@@iterator]() retorna um novo objeto Iterator que itera sobre os pontos de código do valor da String, retornando cada ponto de código como um valor String.

Sintaxe

str[Symbol.iterator]

Valor de Retorno

Novo objeto Iterator.

Exemplos

Usando [@@iterator]()

var str = 'A\uD835\uDC68';

var strIter = str[Symbol.iterator]();

console.log(strIter.next().value); // "A"
console.log(strIter.next().value); // "\uD835\uDC68"

Usando [@@iterator]() com for..of

var str = 'A\uD835\uDC68B\uD835\uDC69C\uD835\uDC6A';

for (var v of str) {
  console.log(v);
}
// "A"
// "\uD835\uDC68"
// "B"
// "\uD835\uDC69"
// "C"
// "\uD835\uDC6A"

Especificações

  Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'String.prototype[@@iterator]()' in that specification.		 Padrão Definição inicial.
ECMAScript Latest Draft (ECMA-262)
The definition of 'String.prototype[@@iterator]()' in that specification.		 Rascunho  

Compatibilidade do navegador

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
@@iteratorChrome Full support 38Edge Full support 12Firefox Full support 36
Full support 36
No support 27 — 36
Notes Alternate Name
Notes A placeholder property named @@iterator is used.
Alternate Name Uses the non-standard name: @@iterator
No support 17 — 27
Notes Alternate Name
Notes A placeholder property named iterator is used.
Alternate Name Uses the non-standard name: iterator
IE No support NoOpera Full support 25Safari No support NoWebView Android Full support 38Chrome Android Full support 38Firefox Android Full support 36
Full support 36
No support 27 — 36
Notes Alternate Name
Notes A placeholder property named @@iterator is used.
Alternate Name Uses the non-standard name: @@iterator
No support 17 — 27
Notes Alternate Name
Notes A placeholder property named iterator is used.
Alternate Name Uses the non-standard name: iterator
Opera Android Full support 25Safari iOS No support NoSamsung Internet Android Full support 3.0nodejs Full support 0.12

Legend

Full support  
Full support
No support  
No support
See implementation notes.
See implementation notes.
Uses a non-standard name.
Uses a non-standard name.

Veja também

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