Version-//W3C//DTD HTML 4.01//EN
ElementH1
Purposeprimary heading
DescriptionThis element encloses text which is a heading of the highest importance.
Start tagRequired <H1>
Attributes
NameTypeDefaultComment
class CDATA #IMPLIEDspace-separated list of classes
dir( ltr | rtl )#IMPLIEDdirection for weak/neutral text
idID#IMPLIEDdocument-wide unique id
lang NAME #IMPLIEDlanguage code as RFC1766; language code
onclick CDATA #IMPLIEDscript expression; a pointer button was clicked
ondblclick CDATA #IMPLIEDscript expression; a pointer button was double clicked
onkeydown CDATA #IMPLIEDscript expression; a key was pressed down
onkeypress CDATA #IMPLIEDscript expression; a key was pressed and released
onkeyup CDATA #IMPLIEDscript expression; a key was released
onmousedown CDATA #IMPLIEDscript expression; a pointer button was pressed down
onmousemove CDATA #IMPLIEDscript expression; a pointer was moved within
onmouseout CDATA #IMPLIEDscript expression; a pointer was moved away
onmouseover CDATA #IMPLIEDscript expression; a pointer was moved onto
onmouseup CDATA #IMPLIEDscript expression; a pointer button was released
style CDATA #IMPLIEDstyle sheet data; associated style info
title CDATA #IMPLIEDtext; advisory title
Content( #PCDATA | TT | I | B | BIG | SMALL | EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE | ABBR | ACRONYM | A | IMG | OBJECT | BR | SCRIPT | MAP | Q | SUB | SUP | SPAN | BDO | INPUT | SELECT | TEXTAREA | LABEL | BUTTON )*
End tagRequired </H1>
Referenced in BLOCKQUOTE BODY BUTTON DD DEL DIV FIELDSET FORM INS LI MAP NOSCRIPT OBJECT TD TH
Example
SourceAppearance
<H1>The Universe</H1>

<H2>The Milky Way Galaxy</H2>

<H3>Our Local Group of Stars</H3>

<H4>Our Solar System</H4>

<H5>Earth</H5>

<H6>North America</H6>

The Universe

The Milky Way Galaxy

Our Local Group of Stars

Our Solar System

Earth
North America
search Search · star Market
2023-06-19 · John December · Terms © johndecember.com