Set.prototype.keys()

The keys() method of {{jsxref("Set")}} instances is an alias for the values() method.

Syntax#

keys()

Parameters#

None.

Return value#

A new iterable iterator object.

Examples#

Using keys()#

The keys() method is exactly equivalent to the {{jsxref("Set/values", "values()")}} method.

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#

{{Specifications}}

Browser compatibility#

{{Compat}}

See also#

• {{jsxref("Set.prototype.entries()")}}
• {{jsxref("Set.prototype.values()")}}