The JavaScript Set clear() method clears or removes all the elements from the Set object.
Syntax:
setObj.clear()
Example:
<!DOCTYPE html>
<html>
<body>
<script>
var jewels = new Set();
jewels.add("DIAMOND").add("GOLD").add("PLATINUM").add("SILVER");
for (let i of jewels) {
document.write(i+"<br>"); }
jewels.clear();
document.write(jewels.size);
</script>
</body>
</html>