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Array.prototype.values()

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

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

arr.values()

回傳值

一個新的 Array 迭代器（iterator）物件。

範例

使用 for...of (en-US) 迴圈進行迭代

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

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

規範

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Array.prototype.values' in that specification.		 Standard Initial definition.
ECMAScript (ECMA-262)
The definition of 'Array.prototype.values' in that specification.		 Living Standard  

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