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Il metodo values() restituisce un nuovo oggetto Array Iterator che contiene i valori per ogni indice nell'array.

var a = ['a', 'b', 'c', 'd', 'e']; 
var iterator = a.values();

console.log(; // a
console.log(; // b
console.log(; // c
console.log(; // d
console.log(; // e



Valore di ritorno

Un nuovo oggetto iteratore Array.


Iterazione utilizzando il  for...of loop

var arr = ['a', 'b', 'c', 'd', 'e'];
var iterator = arr.values();

for (let letter of iterator) {

Array.prototype.values è una implementazionde di default di Array.prototype[Symbol.iterator].

Array.prototype.values === Array.prototype[Symbol.iterator]      //true

TODO: please write about why we need it, use cases.


Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Array.prototype.values' in that specification.
Standard Definizione iniziale.
ECMAScript Latest Draft (ECMA-262)
The definition of 'Array.prototype.values' in that specification.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
valuesChrome Full support 66Edge Full support 12Firefox Full support 60IE No support NoOpera Full support 53Safari Full support 9WebView Android Full support 66Chrome Android Full support 66Firefox Android Full support 60Opera Android Full support 47Safari iOS Full support 9Samsung Internet Android Full support 9.0nodejs Full support 10.9.0
Full support 10.9.0
Full support 6.5.0
Notes Disabled
Notes The --harmony-array-prototype-values flag is required; the --harmony flag is not sufficient in this case.
Disabled From version 6.5.0: this feature is behind the --harmony-array-prototype-values runtime flag.
No support 0.12 — 4.0.0


Full support  
Full support
No support  
No support
See implementation notes.
See implementation notes.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also