Sean Feng

Focus delegate algorithm doesn't consider elements assigned to slot

18

Is this expected? Consider this test case ``` Open slotted dialog document.querySelector('button').addEventListener('click', () => { document.querySelector('section').shadowRoot.querySelector('dialog').showModal(); }); document.querySelector('section').attachShadow({mode: 'open'}); document.querySelector('section').shadowRoot.innerHTML = ''; ``` The input element will not be focused...

Should custom validity error message treat \r as newline?

1

### What is the issue with the HTML Standard? A test snippet can be found at https://jsfiddle.net/naw7qxzf/ Currently Safari treats `\r` as newline, but Chrome doesn't. Looks like the spec...

Define opaque-response blocking (updated)

1

This PR is based on what @annevk has proposed in https://github.com/whatwg/fetch/pull/1442, with additional changes. It includes the `validate a partial response` and the `Content-Range header parser` algorithm, plus the additional...

[PerformanceControlOfEmbeddedContent] Why would a embedded content want to opt-in this?

3

Thanks for the talk today at WebPerf! I have a concern about whether this would really work in the way it's expected. One thing I don't understand what makes a...