Array.prototype[@@iterator]()

arr[Symbol.iterator]()

Der Initialwert für den values() Iterator. Im Standardfall gibt arr[Symbol.iterator] die Funktion von values()  zurück.

var arr = ['w', 'y', 'k', 'o', 'p'];
var eArr = arr[Symbol.iterator]();
// your browser must support for..of loop
// and let-scoped variables in for loops
for (let letter of eArr) {
  console.log(letter);
}

var arr = ['w', 'y', 'k', 'o', 'p'];
var eArr = arr[Symbol.iterator]();
console.log(eArr.next().value); // w
console.log(eArr.next().value); // y
console.log(eArr.next().value); // k
console.log(eArr.next().value); // o
console.log(eArr.next().value); // p

• Array.prototype.keys()
• Array.prototype.entries()
• Array.prototype.forEach()
• Array.prototype.every()
• Array.prototype.some()
• Array.prototype.values()