JS Practice — Built-in Objects

Set values() — dedup visible

📖 Usage Example

const s = new Set([1, 2, 3])
for (const v of s.values()) {
  console.log(v) // 1, 2, 3
}

Use Set.values() to iterate over all values in insertion order.

Set.prototype.values()

Duplicate values are not iterated — only unique values appear.

Challenge: Verify that values() only returns unique values.

💡 Hints (1)