1<!-- stops an element from rendering, but still loads it to memory-->
2<p>this will show</p>
3<p hidden>Thill will not show</p>
1<!DOCTYPE html>
2<html>
3<body>
4
5<!-- This is a comment -->
6<p>This is a paragraph.</p>
7<!-- Comments are not displayed in the browser -->
8
9</body>
10</html>