Web/JavaScript/Reference/Global objects/String/@@iterator

The [@@iterator]() method returns a new iterator object that iterates over the code points of a String value, returning each code point as a String value.

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Syntax

str[Symbol.iterator]

Return value

A new iterator object.

Examples

Using [@@iterator]()

var str = 'A\uD835\uDC68';

var strIter = str[Symbol.iterator]();

console.log(strIter.next().value); // "A"
console.log(strIter.next().value); // "\uD835\uDC68"

Using [@@iterator]() with for..of

var str = 'A\uD835\uDC68B\uD835\uDC69C\uD835\uDC6A';

for (var v of str) {
  console.log(v);
}
// "A"
// "\uD835\uDC68"
// "B"
// "\uD835\uDC69"
// "C"
// "\uD835\uDC6A"

Specifications

Specification
ECMAScript (ECMA-262)The definition of 'String.prototype[@@iterator()' in that specification.]

Browser compatibility

The compatibility table in 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.

Update compatibility data on GitHub

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet	Node.js
@@iterator	Chrome Full support 38	Edge Full support 12	Firefox Full support 36 Full support 36 No support 27 — 36 Notes' Alternate Name' Notes' A placeholder property named @@iterator is used. Alternate Name' Uses the non-standard name: @@iterator No support 17 — 27 Notes' Alternate Name' Notes' A placeholder property named iterator is used. Alternate Name' Uses the non-standard name: iterator	IE No support No	Opera Full support 25	Safari Full support 9	WebView Android Full support 38	Chrome Android Full support 38	Firefox Android Full support 36 Full support 36 No support 27 — 36 Notes' Alternate Name' Notes' A placeholder property named @@iterator is used. Alternate Name' Uses the non-standard name: @@iterator No support 17 — 27 Notes' Alternate Name' Notes' A placeholder property named iterator is used. Alternate Name' Uses the non-standard name: iterator	Opera Android Full support 25	Safari iOS Full support 9	Samsung Internet Android Full support 3.0	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.

See also

• Iteration protocols

String.prototype[@@iterator()] by Mozilla Contributors is licensed under CC-BY-SA 2.5.