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Showing content from https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Map/entries below:

Map.prototype.entries() - JavaScript | MDN

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Map 객체의 entries() 메서드는 이 Map의 각 요소의 [key, value]쌍을 삽입 순서대로 가지는 새로운 맵 반복자 객체를 반환합니다.

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"]

없음.

새로운 순회 가능한 반복자 객체.

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"]

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