<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Map and  Set</title>
</head>
<body>
  <h2>Set Object</h2>

  <script>
    // Creating a Set
    let mySet = new Set();

    // Adding values
    mySet.add(1);
    mySet.add('Hello');
    mySet.add({ key: 'obj' });

    // Checking if a value exists
    console.log(mySet.has('Hello')); // Output: true

    // Iterating through values
    mySet.forEach(value => {
    document.write(value, `<br>`);
  });
  </script>
</body>
</html>
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