<rb>: The Ruby Base element

Read More at MDN DocsView Spec

Safe to Use

Deprecated: This feature has been formally deprecated and should no longer be used. Learn More

<rb>: The Ruby Base element is not safe to use.

It’s supported by 3% of global browsers.

Browsers

ChromeUnsupported
Chrome does not support this feature.
SafariUnsupported
Safari does not support this feature.
EdgeUnsupported
Edge does not support this feature.
FirefoxMay 12, 2015v38.0.0
3%╱100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
Unsupported
Chrome does not support this feature.
May 25, 2010 – Latest
v5.0.0+
26%╱100%

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Chrome Android
Unsupported
Chrome Android does not support this feature.
Jun 27, 2012 – Latest
v18.0.0+
36%╱100%

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Edge
Unsupported
Edge does not support this feature.
Jan 15, 2020 – Latest
v79.0.0+
5%╱100%

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Firefox
May 12, 2015 v38.0.0
3%╱100%
100% of Firefox users are running a supported version.
May 12, 2015 – Latest
v38.0.0+
3%╱100%

Full Support

Firefox for Android
May 12, 2015 v38.0.0
Firefox for Android supports this feature.
May 12, 2015 – Latest
v38.0.0+

Full Support

Internet Explorer
Mar 18, 1999 v5.0.0
0%╱100%
100% of Internet Explorer users are running a supported version.
Mar 18, 1999 – Latest
v5.0.0+
0%╱100%

Full Support

 
Quest Browser
Unsupported
Quest Browser does not support this feature.
Unknown
v5.0.0+

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Opera
Unsupported
Opera does not support this feature.
Jul 2, 2013 – Latest
v15.0.0+
1%╱100%

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Opera Android
Unsupported
Opera Android does not support this feature.
May 21, 2013 – Latest
v14.0.0+

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

Safari
Unsupported
Safari does not support this feature.
Jun 7, 2010 – Latest
v5.0.0+
5%╱100%

Partial Support

Safari has support for parsing the rb element, but not for rendering rb content as expected.

Safari on iOS
Unsupported
Safari on iOS does not support this feature.
Nov 22, 2010 – Latest
v4.2.0+
17%╱100%

Partial Support

Safari has support for parsing the rb element, but not for rendering rb content as expected.

Samsung Internet
Unsupported
Samsung Internet does not support this feature.
Apr 27, 2013 – Latest
v1.0.0+
2%╱100%

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

WebView Android
Unsupported
WebView Android does not support this feature.
Dec 9, 2013 – Latest
v4.4.0+

Partial Support

Blink has support for parsing the rb element, but not for rendering rb content as expected.

See Also

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