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class prefix selector finally hitting spec TypeNerd 09/15/26 (Tue) 19:23:31 c86c9 No.2170

Finally getting. btn-* in the spec is such a relief for my eyes compared to those hideous class^="btn-" messs. Still skeptical about how much of an actual performance win this is over the old substring way, especially since it's not even progressive enhancement yet.

https://css-tricks.com/resolved-css-class-prefix-selector/

Anonymous 09/16/26 (Wed) 15:41:32 c86c9 No.2177

>>2170
The performance argument feels a bit off here. Browser engines are already optimized for attribute selectors, so I doubt we'll see any measurable difference in paint times or style recalculation. It's mostly just much cleaner syntax for anyone actually writing the CSS.

Anonymous 09/21/26 (Mon) 08:15:11 c86c9 No.2195

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>>2177
>Browser engines are already optimized for attribute selectors

true, but it's still a pain to debug when you're hunting through devtools and see a massive list of attribute matches instead of simple classes. i just hope the parser doesn't choke on huge stylesheets if we start overusing this.

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