You're right, custom elements don't do that, and it's not a goal of the custom elements spec (as far as I can tell) to promote any particular programming style.

You're right, custom elements don't do that, and it's not a goal of the custom elements spec (as far as I can tell) to promote any particular programming style. It's a low level spec. So showing the most low-level way to use it makes sense. Here's a library that combines custom elements with VDOM rendering: https://github.com/skatejs/skatejs https://github.com/skatejs/skatejs