HTML Sub Tag

In HTML, the <sub> tag stands for the Subscripted tag.

• The <sub> tag is used to specify inline text which should be displayed as the subscript for solely typographical reasons.
• The content inside <sub> tag is typically rendered with a lowered baseline using smaller text.
• The <sub> tag is used to denote the Chemical formulas of any elements.
• Also, this is an Inline element.

The <sub> tag requires the start(opening) tag and end(closing) tag.

<sub>
..content here
</sub>

HTML <sub> Tag Basic Example

Given below is a basic example to show the usage of <sub> tag:

This element does not have any specific attributes although this element supports Global and Event attributes.

Most of the Browsers use these default CSS Settings:

sub {
  vertical-align: sub;
  font-size: smaller;
}

Following browsers support this attribute:

• Google Chrome 9.0
• Internet Explorer 11.0
• Firefox 4+
• Opera
• Safari