<!DOCTYPE html>
<html lang="en-US">
<body>
<h2>Heading</h2>
<p>Paragraph</p>
<div>Div</div>
<script>
var x = document.getElementsByTagName("*");
x[4].style.color = "green";
</script>
<p><strong>Note</strong> : Tag starts from <!DOCTYPE html></p> </body>
</html>