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® 2026 Language Specification # sec-array.prototype.entries |
