HTML <ruby> Tag


A ruby annotation:

漢 <rt> ㄏㄢˋ </rt>

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Definition and Usage

The <ruby> tag specifies a ruby annotation.

Ruby annotations are used for East Asian typography, to show the pronunciation of East Asian characters.

Use the <ruby> tag together with the <rt> and/or the <rp> tags: The <ruby> element consists of one or more characters that needs an explanation/pronunciation, and an <rt> element that gives that information, and an optional <rp> element that defines what to show for browsers that not support ruby annotations.

Browser Support

The numbers in the table specify the first browser version that fully supports the element.

<ruby> 5.0 5.5 Not supported 5.0 15.0

Differences Between HTML 4.01 and HTML5

The <ruby> tag is new in HTML5.

Global Attributes

The <ruby> tag also supports the Global Attributes in HTML.

Event Attributes

The <ruby> tag also supports the Event Attributes in HTML.

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