Html comments
This element is used to add a comment to an HTML document and paragraph. An HTML comment begins with <!–– and the comment closes with ––>.And HTML comments are placed in between <!-- some text or code here --> tags. So, any content placed with-in <!-- some text or code here --> tags will be treated as comment and will be completely ignored by the browser.
Example :-
<!DOCTYPE html>
<html>
<!-- Document Header Starts here -->
<head>
<title>Stack Overlode</title>
</head>
<!-- Document Header Ends here -->
<body>
<p>The Document content goes here.....</p>
</body>
</html>