Set.prototype.keys()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Syntax
js
keys()
Parameter
Keine.
Rückgabewert
Ein neues iterierbares Iterator-Objekt.
Beispiele
Verwendung von keys()
Die keys()
-Methode ist exakt gleichwertig zur values()
-Methode.
js
const mySet = new Set();
mySet.add("foo");
mySet.add("bar");
mySet.add("baz");
const setIter = mySet.keys();
console.log(setIter.next().value); // "foo"
console.log(setIter.next().value); // "bar"
console.log(setIter.next().value); // "baz"
Spezifikationen
Specification |
---|
ECMAScript® 2025 Language Specification # sec-set.prototype.keys |
Browser-Kompatibilität
Report problems with this compatibility data on GitHubdesktop | mobile | server | ||||||||||||
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keys |
Legend
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- Full support
- Full support
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.