Web Inspector should show completions for these when the corresponding experimental settings are enabled.
<rdar://problem/76065217>
Created attachment 424801 [details] Patch
Comment on attachment 424801 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=424801&action=review > Source/WebInspectorUI/UserInterface/Models/CSSKeywordCompletions.js:166 > +WI.CSSKeywordCompletions.getExperimentalProperties = function(properties) { Style: Put the `{` on the next line? > Source/WebInspectorUI/UserInterface/Models/CSSKeywordCompletions.js:169 > + if (CSS.supports(test)) The `CSS.supports` is neat, but why not do it all time? You could be on a macOS system that doesn't support the syntax and inspecting an iOS target that does support it. In that case we'd probably still want completion to work. So might as well do it all the time.
Created attachment 424808 [details] Patch
Comment on attachment 424808 [details] Patch r=me
Committed r275310: <https://commits.webkit.org/r275310> All reviewed patches have been landed. Closing bug and clearing flags on attachment 424808 [details].