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Set.prototype.keys()

The keys() method of Set instances is an alias for the values() method.

Syntax

js
keys()

Parameters

None.

Return value

A new iterable iterator object.

Examples

Using keys()

The keys() method is exactly equivalent to the values() method.

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"

Specifications

Specification
ECMAScript Language Specification
# sec-set.prototype.keys

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android Deno Node.js
keys 38 12 24 25 8 38 24 25 8 3.0 38 1.0 0.12.0

See also

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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/keys