how to comment a line in html5 code example
Example 1: html note
<!-- This is an HTML note -->
Example 2: html comment
<!--HTML Comment Example! HTML Comments do not affect your code in
any way, comments can be used to take notes to yourself, or if you
are working with a team, this could be a good way to communicate
without messing up any of your code. Comments will not be shown
in your HTML webpage. -->