The <h1></h1>, <h2></h2>, <h3></h3>, <h4></h4>, <h5></h5>, and <h6></h6> elements create logical headings within the document. <h1> is the most important heading, and <h6> is the least important.
- Netscape 2, 3, 4, 6, 7
- Mozilla 1
- Firefox 1
- Internet Explorer 2, 3, 4, 5, 6
- Opera 3, 4, 5, 6, 7, 8
- Safari 1
- WebTV / MSNTV
- AvantGo Palm OS
- AvantGo Windows CE
- HTML 3.2, 4.0
- XHTML 1.0: XHTML Legacy Module XHTML Text Module
- align (optional)
- class (optional)
- dir (optional)
- id (optional)
- lang (optional)
- onclick (optional)
- ondblclick (optional)
- onkeydown (optional)
- onkeypress (optional)
- onkeyup (optional)
- onmousedown (optional)
- onmouseout (optional)
- onmouseover (optional)
- onmouseup (optional)
- style (optional)
- title (optional)
CDATA. Text for a heading. The following tags are valid within the <h1></h1> ... <h6></h6> tag:
a, abbr, acronym, address, applet, b, basefont, bdo, big, blockquote, br, button, center, cite, code, dfn, dir, div, dl, em, fieldset, font, form, h1, h2, h3, h4, h5, h6, hr, i, iframe, img, input, isindex, kbd, label, map, menu, noframes, noscript, object, ol, p, pre, q, s, samp, script, select, small, span, strike, strong, sub, sup, table, textarea, tt, u, ul, var
The <h1></h1> ... <h6></h6> tag is valid within the following tags:
blockquote, body, button, center, dd, div, fieldset, form, iframe, li, noframes, noscript, object, td, th
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<h1>Level 1 heading</h1>
<h2>Level 2 heading</h2>
<h3>Level 3 heading</h3>
<h4>Level 4 heading</h4>
<h5>Level 5 heading</h5>
<h6>Level 6 heading</h6>
- These are logical divisions in the content of your document, and are not meant to define the look and style of the contents.
- It is good form to include the headings in numerical order through your documents.
- Most browsers display heading tags with an automatic carriage return. You can change that with CSS
