<html>
<body>
<h1>JavaScript Sets</h1>
<h2>The instanceOf Operator</h2>
<p>The instanceof Set returns true:</p>
<p id="demo"></p>
<script>
// Create a new Set
const letters = new Set(["a","b","c"]);
// Display typeof
document.getElementById("demo").innerHTML = letters instanceof Set;
</script>
</body>
</html>