The initial value of the @@iterator property is the same function object as the initial value of the values property.
The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.
Syntax
mySet[Symbol.iterator]
Return value
The Set iterator function, which is the values() function by default.
Examples
Using [@@iterator]()
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
Using [@@iterator]() with for..of
const mySet = new Set();
mySet.add('0');
mySet.add(1);
mySet.add({});
for (const v of mySet) {
console.log(v);
}
Specifications
| Specification |
|---|
| ECMAScript (ECMA-262) The definition of 'Set.prototype[@@iterator]' in that specification. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Desktop | Mobile | Server | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
@@iterator | Chrome Full support 43 | Edge Full support 12 | Firefox
Full support
36
| IE No support No | Opera Full support 30 | Safari Full support 9 | WebView Android Full support 43 | Chrome Android Full support 43 | Firefox Android
Full support
36
| Opera Android Full support 30 | Safari iOS Full support 9 | Samsung Internet Android Full support 4.0 | nodejs Full support 0.12 |
Legend
- Full support
- Full support
- No support
- No support
- See implementation notes.
- See implementation notes.
- Uses a non-standard name.
- Uses a non-standard name.
