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HTML <sub> tag

HTML <sub> tag is termed as Subscript tag and which is used to define subscript text. The text within <sub> renders with a lower baseline and with a smaller font than surrounding text font.

The <sub> tag is useful for presenting mathematical formula and chemical formulas such as H₂O.

Syntax

Following are some specifications about the HTML <sub> tag

Display	Inline
Start tag/End tag	Both Start and End tag
Usage	Textual

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:

HTML sub tag

Attribute:

Tag-specific attributes:

The <sub> tag does not contain any specific attribute.

Global attribute:

The <sub> tag supports the Global attributes in HTML.

Event attribute:

The <sub> tag supports the Event attributes in HTML.

Supporting Browsers

Element	Chrome	IE	Firefox	Opera	Safari
<sub>	Yes	Yes	Yes	Yes	Yes

Next TopicHTML summary Tag

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