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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 compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes Yes 36
36
27 — 36
A placeholder property named @@iterator is used.
Uses the non-standard name: @@iterator
17 — 27
A placeholder property named iterator is used.
Uses the non-standard name: iterator
No Yes Yes
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes Yes 36
36
27 — 36
A placeholder property named @@iterator is used.
Uses the non-standard name: @@iterator
17 — 27
A placeholder property named iterator is used.
Uses the non-standard name: iterator
Yes Yes Yes
Server
Node.js
Basic support 0.12

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