Description:

The HTML <mark> tag is used for indicating text as marked or highlighted for reference purposes, due to its relevance in another context.

Example Code:
The Australian population is <mark>22.68 million</mark> people as of 2012
Result:
The Australian population is 22.68 million people as of 2012
Attributes:

None

Global Attributes:

The <mark> tag also supports the Global Attributes in HTML5

Event Attributes:

The <mark> tag also supports the Event Attributes in HTML5