HTML comments are not displayed in the browser, but they can help document your HTML source code.
HTML Comment Tag
You can add comments to your HTML source by using the following syntax:
<!-- Write your comments here -->
<!-- Write your comments here -->
<!-- This is a comment -->
<p>This is a paragraph.</p>
<!-- Remember to add more information here -->
<p>This is a paragraph.</p>
<!-- <p>This is another paragraph </p> -->
<p>This is a paragraph too.</p>
Hide a section of HTML code:
<p>This is a paragraph.</p>
<!--
<p>Look at this cool image:</p>
<img border="0" src="pic_trulli.jpg" alt="Trulli">
-->
<p>This is a paragraph too.</p>
