element-internals-polyfill
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How to test when WebKit also supports FACE?
As in Real Soon Now: https://twitter.com/rniwa_dev/status/1611516973770477568
How do you test a polyfill when all modern browsers support the API? Fix the playwright WebKit version to an older one?
Yeah, that's the best I can tell. Fortunately, this now works in Safari Tech Preview … https://codepen.io/calebdwilliams/pen/xxJjNgr?editors=1010