HTML <sub> tag is known as the Subscript tag, employed to specify subscripted text. Text enclosed within <sub> displays at a lower baseline and in a smaller font compared to the surrounding text.
The <sub> tag is beneficial for displaying mathematical equations and chemical formulas like H 2 O.
Syntax
Example
<sub>.........</sub>
Following are some details regarding the HTML <sub> element:
| Display | Inline |
|---|---|
| Start tag/End tag | Both Start and End tag |
| Usage | Textual |
Example
Example
<!DOCTYPE html>
<html>
<head>
<title>Sub Tag</title>
<style>
body{
text-align: center;
}
p{
color: green;
}
</style>
</head>
<body>
<h2>Example of sub tag</h2>
<p>The chemical formula for Sulphuric acid is: H<sub>2</sub>SO<sub>4</sub></p>
</body>
</html>
Output:
Attribute:
Tag-specific attributes:
The <sub> element does not have any particular attribute associated with it.
Global attribute:
The <sub> tag enables the utilization of Global attributes within HTML.
Event attribute:
The <sub> tag facilitates the utilization of Event attributes within HTML.
Supporting Browsers
| Element | Chrome | IE | Firefox | Opera | Safari |
|---|---|---|---|---|---|
<sub> |
Yes | Yes | Yes | Yes | Yes |