Array.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 May 2018.

O método entries() retorna um novo objeto Array Iterator que contém os pares chave/valor para cada índice no array.

Sintaxe

arr.entries()

Exemplos

js
var arr = ["a", "b", "c"];
var eArr = arr.entries();

console.log(eArr.next().value); // [0, 'a']
console.log(eArr.next().value); // [1, 'b']
console.log(eArr.next().value); // [2, 'c']

O mesmo que acima, utilizando um loop for…of

js
var arr = ["a", "b", "c"];
var eArr = arr.entries();

for (let e of eArr) {
  console.log(e);
}
// [0, 'a']
// [1, 'b']
// [2, 'c']

Especificações

Specification
ECMAScript® 2025 Language Specification
# sec-array.prototype.entries

Compatibilidade com navegadores

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
entries

Legend

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Full support
Full support

Veja também