This attribute is being added to the spec, with tests: https://github.com/whatwg/dom/pull/974 https://github.com/web-platform-tests/wpt/pull/28593 It would be great if this simple addition were made to WebKit, so that web developers have fewer differences between browsers to accidentally depend on. Similar Gecko bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1706275
Created attachment 427031 [details] Adds the IDL attribute
Committed r276585 (237021@main): <https://commits.webkit.org/237021@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 427031 [details].
<rdar://problem/77146628>