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Map.prototype.entries()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015년 7월.
Map 객체의entries() 메서드는 이 Map의 각 요소의[key, value]쌍을 삽입 순서대로 가지는 새로운맵 반복자 객체를 반환합니다.
시도해 보기
const map1 = new Map();map1.set("0", "foo");map1.set(1, "bar");const iterator1 = map1.entries();console.log(iterator1.next().value);// Expected output: Array ["0", "foo"]console.log(iterator1.next().value);// Expected output: Array [1, "bar"]구문
js
entries()매개변수
없음.
반환 값
새로운순회 가능한 반복자 객체.
예제
entries() 사용하기
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"]명세서
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-map.prototype.entries |