Re: [WICG/webcomponents] DOM parts use outside of <template> seems unlikely (Issue #1035)

@bahrus 

> On the server side, few if any technologies take the approach you (and half of me) are advocating, and I've not seen a whole lot of concern raised about tightly coupling binding syntax with the outputted HTML.

> Yes, you could argue that the reason they haven't, is that building the complex infrastructure needed to be able to do the kind of css matching that the browser supports would greatly increase the costs.

Yeah that's why it's not mainstream. There have been quite a lot of attempts at decoupling HTML and DOM manipulation, XSLT the most prominent example. The recent interest in CSS makes sense as somewhat of a successor to that, given CSS becoming a more powerful and attractive language in recent years and XML becoming less so (to many, at least).

> But you raised the issue of isomorphism earlier. How would there be any chance of isomorphism with the 100% css like approach if no server technology (I'm sure there are some very small exceptions) follow the same approach?

There's some examples of this upthread. You do the binding in the CSS-like language. You don't do on the server at all.

> What the current approach on the table is basically saying to the server is "say, you know that binding syntax you are using to bind your objects to the html? Would you mind sharing some of that information with me?" Seems kind of isomorphic, doesn't it?

No, because if your server language is Python then you write the same code twice. Once to generate initial HTML in Python. A second time to update said DOM, this time in JavaScript. Since almost no one has the bandwidth to do duplicate work, almost no one does. Thus JavaScript taking over as a server-side language, because it has the advantage of not needing to duplicate work.

Which is the whole reason for this thread existing. To convince the powers that be that server-side agnosticism is important, and worth preserving.

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