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: 2

구문

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); // 0
console.log(arrKeys.next().value); // 1
console.log(arrKeys.next().value); // 2
console.log(arrKeys.next().value); // 3
console.log(arrKeys.next().value); // 4

명새서

Specification

ECMAScript® 2027 Language Specification
# sec-%typedarray%.prototype.keys

브라우저 호환성

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같이 보기

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This page was last modified on 2025년 2월 11일 by MDN contributors.

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TypedArray.prototype.keys()

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