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Set.prototype[@@iterator]()

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The initial value of the @@iterator property is the same function object as the initial value of the values property.

Syntax

mySet[Symbol.iterator]

Return value

The Set iterator function, which is the values() function by default.

Examples

Using [@@iterator]()

var mySet = new Set();
mySet.add("0");
mySet.add(1);
mySet.add({});

var setIter = mySet[Symbol.iterator]();

console.log(setIter.next().value); // "0"
console.log(setIter.next().value); // 1
console.log(setIter.next().value); // Object

Using [@@iterator]() with for..of

var mySet = new Set();
mySet.add("0");
mySet.add(1);
mySet.add({});

for (var v of mySet) {
  console.log(v);
}

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Set.prototype[@@iterator]' in that specification.
Standard Initial definition.
ECMAScript 2017 Draft (ECMA-262)
The definition of 'Set.prototype[@@iterator]' in that specification.
Draft  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 36 (36) [1] No support No support No support
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) 36.0 (36) [1] No support No support No support

[1] From Gecko 17 (Firefox 17 / Thunderbird 17 / SeaMonkey 2.14) to Gecko 26 (Firefox 26 / Thunderbird 26 / SeaMonkey 2.23 / Firefox OS 1.2) the iterator property was used (bug 907077), and from Gecko 27 to Gecko 35 the "@@iterator" placeholder was used. In Gecko 36 (Firefox 36 / Thunderbird 36 / SeaMonkey 2.33), the @@iterator symbol got implemented (bug 918828).

See also

Etiquetas y colaboradores del documento

 Colaboradores en esta página: eduardoboucas, fscholz, arai
 Última actualización por: eduardoboucas,