HTML <sub> Tag
Definition and Usage
The <sub> tag defines subscript text. Subscript text appears half a character below the normal line, and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like H2O.
Tip: Use the <sup> tag to define superscripted text.
Browser Support
| Element | |||||
|---|---|---|---|---|---|
| <sub> | Yes | Yes | Yes | Yes | Yes |
Differences Between HTML 4.01 and HTML5
NONE.
Global Attributes
The <sub> tag also supports the Global Attributes in HTML.
Event Attributes
The <sub> tag also supports the Event Attributes in HTML.
Related Pages
HTML tutorial: HTML Text Formatting
HTML DOM reference: Subscript Object
Default CSS Settings
Most browsers will display the <sub> element with the following default values:
