HTML <mark> tag
HTML <mark> tag is used to highlight the some text part inside of another element such as paragraph, for reference or any notation purpose.
This is a newly added tag and introduced in HTML5.
In most of the browser, the text contained with <mark> tag renders with the yellow background, but it can be changed using CSS background-color property.
Following are some specifications about the HTML <mark> tag
ExampleTest it Now
The <mark > tag supports the global attributes in HTML
The <mark> tag supports the event attributes in HTML.