Array.prototype.values()

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.

values() 方法會回傳一個包含陣列中的每一個索引之對應值（value）的新 Array Iterator 物件。

js
var a = ["w", "y", "k", "o", "p"];
var iterator = a.values();

console.log(iterator.next().value); // w
console.log(iterator.next().value); // y
console.log(iterator.next().value); // k
console.log(iterator.next().value); // o
console.log(iterator.next().value); // p

語法

js
arr.values()

回傳值

一個新的 Array 迭代器（iterator）物件。

範例

使用 for...of 迴圈進行迭代

js
var arr = ["w", "y", "k", "o", "p"];
var iterator = arr.values();

for (let letter of iterator) {
  console.log(letter);
}

規範

Specification
ECMAScript Language Specification
# sec-array.prototype.values

瀏覽器相容性

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參見