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set.@@iterator

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

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes Yes

17 — 271

27 — 362 3

364

No Yes Yes
Feature Android webview Chrome for Android Edge mobile Firefox for Android Opera Android iOS Safari Samsung Internet
Basic support Yes Yes Yes

17 — 271

27 — 362 3

364

Yes Yes ?

1. Supported as iterator.

2. A placeholder property named @@iterator is used.

3. Supported as @@iterator.

4. The @@iterator symbol is implemented.

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/@@iterator