The HTML <ruby> element represents a ruby annotation. Ruby annotations are for showing pronunciation of East Asian characters.

Content categories Flow content, phrasing content, palpable content.
Permitted content Phrasing content.
Tag omission None, both the starting and ending tag are mandatory.
Permitted parents Any element that accepts phrasing content.
Permitted ARIA roles Any
DOM interface HTMLElement

Attributes

This element only includes the global attributes.

Examples

Example 1: Character

<ruby>
  漢 <rp>(</rp><rt>Kan</rt><rp>)</rp>
  字 <rp>(</rp><rt>ji</rt><rp>)</rp>
</ruby>

Example 2: Word

<ruby>
  明日 <rp>(</rp><rt>Ashita</rt><rp>)</rp>
</ruby>

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of '<ruby>' in that specification.
Living Standard  
HTML5
The definition of '<ruby>' in that specification.
Recommendation  

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 5.0 (Yes) 38 (38) 5.0 No support 5.0
Feature Android Chrome for Android Edge Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) 38.0 (38) (Yes) (Yes) (Yes)

See also

Document Tags and Contributors

 Last updated by: Pokechu22,