re: Web Components — the right way. VIEW POST

TOP OF THREAD FULL DISCUSSION
re: Wasn't the 'is' attribute supposed to allow for nojs progressive enhancement? That's what I was thinking of anyway.
  1. A customized built-in element, which is defined with an extends option. These types of custom elements have a local name equal to the value passed in their extends option, and their defined name is used as the value of the is attribute, which therefore must be a valid custom element name.

But this spec is now under reconsideration:

#662 - 509

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