demo · v144
SVG Anchor Attributes
Edit the four new attributes, then click the SVG link to navigate (Ctrl/Cmd-click to inspect). The serialized SVG <a> and a per-property probe table show which attributes your build actually reflects to IDL — and which still fall through to the legacy stub.
IDL reflection probe
the markup
<svg>
<a href="/next" hreflang="en" type="text/html"
ping="/log/clicks" referrerpolicy="no-referrer">
<rect width="100" height="40" />
</a>
</svg>