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Summary

The h1 through h6 elements define levels of headings within a document.

Overview Table

DOM Interface

HTMLHeadingElement

These elements have a rank given by the number in their name. The h1 element is said to have the highest rank, the h6 element has the lowest rank, and two elements with the same name have equal rank.

HTML information

<!--
    The H1 element applies a
    level-1 heading syle to the
    contained text.
-->
<h1>Welcome to Web Platform Docs!</h1>

<!--
    H2 is used for level-2 headings.
 -->
<h2>Introduction</h2>

<!-- etc. -->
<h3>Prologue</h2>
<h4>Level-4 Heading</h4>
<h5>Level-5 Heading</h5>
<h6>Level-6 heading, smallest heading avaliable</h6>

View live example

Notes

Remarks

Use H1 through H6 to specify different sizes and styles of headings.

Standards information

• Document Object Model (DOM) Level 2 HTML Specification, Section 1.6.5
• HTML 4.01 Specification, Section 7.5.5

Related specifications

HTML 5.1

W3C Working Draft

HTML 5

W3C Recommendation

HTML 4.01

W3C Recommendation

See also

Related articles

HTML

• user-modify

• textLength

• value

• accept

• action

• alt

• autocomplete

• autofocus

• checked

• crossorigin

• form

• formEnctype

• height

• list

• max (HTMLInputElement)

• maxLength

• min

• multiple

• readonly

• size

• standby

• step

• HTML Elements

• !DOCTYPE

• !DOCTYPE

• acronym

• b

• b

• br

• br

• button

• button

• caption

• cite

• code

• col

• colgroup

• datalist

• del

• dfn

• div

• em

• EMBED

• fieldset

• font

• footer

• head

• hn

• hr

• html

• i

• img

• input

• ins

• kbd

• legend

• mark

• option

• p

• samp

• script

• span

• strong

• table

• tbody

• td

• tfoot

• th

• time

}

Attributions

• Mozilla Developer Network : Article

• Microsoft Developer Network: [Windows Internet Explorer API reference Article]