Unique Set

by Rodrigo

HTML

<h1>
  Unique Test
</h1>

<div id="test1">

</div>

<div id="test2">

</div>

JavaScript

const objects = [
  {
    id: 1,
    name: "One"
  },
  {
    id: 2,
    name: "Two"
  },
  {
    id: 1,
    name: "One"
  }
];

const unique = new Set(objects);

document.getElementById("test1").innerHTML = `Count: <strong>${unique.size}</strong>`;

const numbers = [1,2,1];

const uniqueNumbers = new Set(numbers);

document.getElementById("test2").innerHTML = `Count: <strong>${uniqueNumbers.size}</strong>`;