<sub> description:

The <sub> element designates subscript text.

<sub> Web Browser Support:

• Netscape 2, 3, 4, 6, 7
• Mozilla 1
• Firefox 1
• Internet Explorer 3, 4, 5, 6
• Opera 3, 4, 5, 6, 7, 8
• Safari 1
• WebTV/MSN TV
• AvantGo Windows CE
• HTML 3.2, 4.0
• XHTML 1.0: XHTML Presentation Module

<sub> Attributes:

• class (optional)
• dir (optional)
• id (optional)
• lang (optional)
• onclick (optional)
• ondblclick (optional)
• onkeydown (optional)
• onkeypress (optional)
• onkeyup (optional)
• onmousedown (optional)
• onmousemove (optional)
• onmouseout (optional)
• onmouseover (optional)
• onmouseup (optional)
• style (optional)
• title (optional)

<sub> End Tag:

</sub> REQUIRED

Contents:

Usually text. The following tags are valid within the <sub> tag:
a, abbr, acronym, applet, b, basefont, bdo, big, br, button, cite, code, dfn, em, font, i, iframe, img, input, kbd, label, map, object, q, s, samp, script, select, small, span, strike, strong, sub, sup, textarea, tt, u, var

<sub> Valid Context:

The <sub> tag is valid within the following tags:
a, abbr, acronym, address, applet, b, bdo, big, blockquote, body, button, caption, center, cite, code, dd, del, dfn, div, dt, em, fieldset, font, form, h1, h2, h3, h4, h5, h6, i, iframe, ins, kbd, label, legend, li, noframes, noscript, object, p, q, s, samp, small, span, strike, strong, sub, sup, td, th, tt, u, var

<sub> Usage:

• standard subscript

  The chemical code for water is H₂O.

<sub> Special Notes:

• This tag is most often used in scientific notation.

More <sub> Information:

• 

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