The implementation is trivial but entirely useless and has been since 2012. The attribute is not present at all in Gecko. It has been removed from the spec: https://github.com/w3c/svgwg/commit/99a342c09dc0f8f164667d45d1c8486f0f87af8f

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink


Deprecated (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • No signal
  • No signal
  • No signals

Owner

Last updated on 2021-08-29