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.