Set.prototype[@@iterator]()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
El valor inicial de la propiedad @@iterator, es la misma función objeto que el valor inicial de la propiedad values.
Pruébalo
const set1 = new Set(); set1.add(42); set1.add("forty two"); const iterator1 = set1[Symbol.iterator](); console.log(iterator1.next().value); // Expected output: 42 console.log(iterator1.next().value); // Expected output: "forty two" Sintaxis
mySet[Symbol.iterator]
Valor retornado
La función iteradoraSet , la cuál es values() por defecto.
Ejemplos
Usando [@@iterator]()
js
const mySet = new Set(); mySet.add("0"); mySet.add(1); mySet.add({}); const setIter = mySet[Symbol.iterator](); console.log(setIter.next().value); // "0" console.log(setIter.next().value); // 1 console.log(setIter.next().value); // Object Usando [@@iterator]() con for..of
js
const mySet = new Set(); mySet.add("0"); mySet.add(1); mySet.add({}); for (const v of mySet) { console.log(v); } Especificaciones
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-set.prototype-%symbol.iterator% |
