HTML <h1> to <h6> Tags
Example
The six different HTML headings:
<h1>This is heading 1</h1>
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>
<h4>This is heading 4</h4>
<h5>This is heading 5</h5>
<h6>This is heading 6</h6> |
Try it yourself » |
Definition and Usage
The <h1> to <h6> tags are used to define HTML headings.
<h1> defines the largest heading and <h6> defines the smallest heading.
Browser Support
The <h1> to <h6> tags are supported in all major browsers.
Differences Between HTML and XHTML
The "align" attribute of the <h1> to <h6> elements was deprecated
in HTML 4.01, and is not supported in XHTML 1.0 Strict DTD.
Optional Attributes
DTD indicates in which DTD the attribute is allowed. S=Strict, T=Transitional, and F=Frameset.
| Attribute |
Value |
Description |
DTD |
| align |
left
center
right
justify |
Deprecated. Use styles instead.
Specifies the alignment of
a heading |
TF |
Standard Attributes
The <h1> to <h6> tags support the following standard attributes:
| Attribute |
Value |
Description |
DTD |
| class |
classname |
Specifies a classname for an element |
STF |
| dir |
rtl
ltr |
Specifies the text direction
for the content in an element |
STF |
| id |
id |
Specifies a unique id for an element |
STF |
| lang |
language_code |
Specifies a language code for the content in an element |
STF |
| style |
style_definition |
Specifies an inline style for an element |
STF |
| title |
text |
Specifies extra information about an element |
STF |
| xml:lang |
language_code |
Specifies a language code for the content in an element, in
XHTML documents |
STF |
More information about Standard Attributes.
Event Attributes
The <h1> to <h6> tags support the following event attributes:
| Attribute |
Value |
Description |
DTD |
| onclick |
script |
Script to be run on a mouse click |
STF |
| ondblclick |
script |
Script to be run on a mouse double-click |
STF |
| onmousedown |
script |
Script to be run when mouse button is pressed |
STF |
| onmousemove |
script |
Script to be run when mouse pointer moves |
STF |
| onmouseout |
script |
Script to be run when mouse pointer moves out of an
element |
STF |
| onmouseover |
script |
Script to be run when mouse pointer moves over an
element |
STF |
| onmouseup |
script |
Script to be run when mouse button is released |
STF |
| onkeydown |
script |
Script to be run when a key is pressed |
STF |
| onkeypress |
script |
Script to be run when a key is pressed and released |
STF |
| onkeyup |
script |
Script to be run when a key is released |
STF |
More information about Event Attributes.
 |
W3Schools' Online Certification Program
The perfect solution for professionals who need to balance work, family, and career building.
More than 4000 certificates already issued!
|
The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.
The XML Certificate documents your knowledge of XML, XML DOM and XSLT.
The ASP Certificate documents your knowledge of ASP, SQL, and ADO.
The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
| 
