Map.prototype.entries() - JavaScript | MDN
Try it
const map = new Map();
map.set("0", "foo");
map.set(1, "bar");
const iterator = map.entries();
console.log(iterator.next().value);
// Expected output: Array ["0", "foo"]
console.log(iterator.next().value);
// Expected output: Array [1, "bar"]
Syntax
Parameters
None.
Return value
A new iterable iterator object.
Examples
Using entries()
js
const myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");
const mapIter = myMap.entries();
console.log(mapIter.next().value); // ["0", "foo"]
console.log(mapIter.next().value); // [1, "bar"]
console.log(mapIter.next().value); // [Object, "baz"]
Specifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-map.prototype.entries |