HTML 5 TutorialsHtml5 What is
The <ruby> tag was introduced in HTML 5. The <ruby> tag indicate a ruby annotations. which is used in East Asian typography.which is pronunciation of East Asian characters. which language you write to <rt> or <rp> tags. The <ruby> tag did not exist in older version of HTML.
The ruby element includes of one or more characters and a rt tag that gives to it informations.
In the above example ruby tag is used to display for East Asian characters.