This page was translated from English by the community.Learn more and join the MDN Web Docs community.
TypedArray.prototype.keys()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2016년 9월.
keys() 메서드는 배열의 각 인덱스의 키를 포함하는 새로운 배열 반복자 객체를 반환합니다.
시도해 보기
const uint8 = new Uint8Array([10, 20, 30, 40, 50]);const keys = uint8.keys();keys.next();keys.next();console.log(keys.next().value);// Expected output: 2구문
js
keys()반환 값
새로운 배열 반복자 객체.
예제
for...of 루프를 사용한 반복
js
const arr = new Uint8Array([10, 20, 30, 40, 50]);const arrKeys = arr.keys();for (const n of arrKeys) { console.log(n);}다른 반복 방법
js
const arr = new Uint8Array([10, 20, 30, 40, 50]);const arrKeys = arr.keys();console.log(arrKeys.next().value); // 0console.log(arrKeys.next().value); // 1console.log(arrKeys.next().value); // 2console.log(arrKeys.next().value); // 3console.log(arrKeys.next().value); // 4명새서
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-%typedarray%.prototype.keys |