On Tue, Dec 12, 2017 at 6:38 PM, Darien Valentine <[email protected]> wrote: > The runtime version seems likely to create more confusion than not, too. The > example you gave — `10px + 1em` — demonstrates how that might go. One might > expect that to work because css’s `calc` can do it. But the browser knows > what the current value of `em` for the node in question is. Even if it > somehow knew what the contextual relationship between px and em was, it’s > not clear to me what that’s actually supposed to evaluate to.
Right. It turns out that we have an answer to that now! (drafts.css-houdini.org/css-typed-om) But any solution that didn't allow us to write that sort of thing and get a CSSNumericValue out of it would be pretty incomplete. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
