HTML <rt> Tag
The HTML <rt> tag marks the ruby text component of a ruby annotation.
Ruby annotations are small, annotative glosses placed above or alongside logographic characters (such as Chinese or Japanese) to indicate pronunciation or translation.
Syntax
The <rt> tag is written as <rt></rt> with the ruby text inserted between the start and end tags.
Like this:
Examples
Basic Ruby Annotation
Here's an example of using the <rt> tag to present ruby text within a ruby annotation.
Fallback Content
You can use the <rp> element to provide fallback parentheses for those browsers/user agents that don't support ruby annotations.
Like this:
Attributes
Attributes can be added to an HTML element to provide more information about how the element should appear or behave.
The <rt> element accepts the following attributes.
| Attribute | Description |
|---|---|
| none |
Global Attributes
The following attributes are standard across all HTML elements. Therefore, you can use these attributes with the <rt> tag , as well as with all other HTML tags.
accesskeyautocapitalizeclasscontenteditabledata-*dirdraggablehiddenidinputmodeisitemiditempropitemrefitemscopeitemtypelangpartslotspellcheckstyletabindextitletranslate
For a full explanation of these attributes, see HTML 5 global attributes.
Event Handlers
Event handler content attributes enable you to invoke a script from within your HTML. The script is invoked when a certain "event" occurs. Each event handler content attribute deals with a different event.
onabortonauxclickonbluroncanceloncanplayoncanplaythroughonchangeonclickoncloseoncontextmenuoncopyoncuechangeoncutondblclickondragondragendondragenterondragexitondragleaveondragoverondragstartondropondurationchangeonemptiedonendedonerroronfocusonformdataoninputoninvalidonkeydownonkeypressonkeyuponlanguagechangeonloadonloadeddataonloadedmetadataonloadstartonmousedownonmouseenteronmouseleaveonmousemoveonmouseoutonmouseoveronmouseuponpasteonpauseonplayonplayingonprogressonratechangeonresetonresizeonscrollonsecuritypolicyviolationonseekedonseekingonselectonslotchangeonstalledonsubmitonsuspendontimeupdateontoggleonvolumechangeonwaitingonwheel
Most event handler content attributes can be used on all HTML elements, but some event handlers have specific rules around when they can be used and which elements they are applicable to.
For more detail, see HTML event handler content attributes.