12.3_set_clear().html

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Example Set object clear()</title>
</head>
<body>
	<script type="text/javascript">
		
		var s = new Set();

		s.add("HTML");
		s.add("CSS");
		s.add("Javascript");

		document.writeln("Size of the Set before clear() applied: " + s.size + "<br>");

		for(value of s){
			document.writeln(value + "<br>");
		}

		s.clear();

		document.writeln("Size of the Set after clear() applied: " + s.size);

	</script>
</body>
</html>