srcset
sources
<source> tag inside <audio>
media
<ul>
<ol>
<li>
<list>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<!DOCTYPE html SYSTEM "about:legacy-compat">
<!DOCTYPE html>
<!DOCTYPE html5>
selected
check
checked
active
<input type='checkbox'>
<checkbox>
<input type='check'>
<input checkbox>
<input>
<marquee>
<p>
<table>
<hr>
<br>
<line>
<divider>
<body color=“yellow”>
<body bgcolor='yellow'>
<background>yellow</background>
<color background='yellow'>
width
size
thickness
weight
<textarea>
<form>
<textfield>
src
href
alt
url
<ol type="1" start="5">
<ol type = “1” num = “5”>
<ol type="5" num="5">
<ol type = “1” initial = “5”>
<dl>
Table header
Table column
Table row
Table
5
6
7
8
<a href='mailto:someone@example.com'>
<mail>someone@example.com</mail>
<email>someone@example.com</email>
<a href='email:someone@example.com'>
<a href=mob:8489849843’></a>
<mail> call:8489849843 </mail>
<mob> 8489849843 </mob>
<a href=‘tel:8489849843 ‘></a>
text
radio
password
date
Steve Jobs
Tim Berners-Lee
Bill Gates
Vint Cerf
