Set.prototype[@@iterator]()

The initial value of the @@iterator property is the same function object as the initial value of the values property.

mySet[Symbol.iterator]

The Set iterator function, which is the values() function by default.

const mySet = new Set();
mySet.add('0');
mySet.add(1);
mySet.add({});

const setIter = mySet[Symbol.iterator]();

console.log(setIter.next().value); // "0"
console.log(setIter.next().value); // 1
console.log(setIter.next().value); // Object

const mySet = new Set();
mySet.add('0');
mySet.add(1);
mySet.add({});

for (const v of mySet) {
  console.log(v);
}

• Set.prototype.entries()
• Set.prototype.keys()
• Set.prototype.values()