Map.prototype.values()
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.
試してみましょう
const map1 = new Map();
map1.set("0", "foo");
map1.set(1, "bar");
const iterator1 = map1.values();
console.log(iterator1.next().value);
// Expected output: "foo"
console.log(iterator1.next().value);
// Expected output: "bar"
構文
js
values()
引数
なし。
返値
新しい反復可能なイテレーターオブジェクトです。
例
values() の使用
js
const myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");
const mapIter = myMap.values();
console.log(mapIter.next().value); // "foo"
console.log(mapIter.next().value); // "bar"
console.log(mapIter.next().value); // "baz"
仕様書
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-map.prototype.values |