HTML comments are not displayed in the browser,but they can help document in source code.
HTML Comment Tag
This syntax can used in HTML
This is the start tag not the end tag.
Add Comments :
Comments are added to in your source code then you can place remainder or notifications in your html code.
For Example :
Output :
Hide content
The HTML comments are can be used to hide content temporarily.
Output :
Hide Inline Content
These html comments can be used to hide parts in the middle of the HTML code.
Output :