Earlier quoted context omitted.
Edge and Firefox are only missing Shadow DOM and Custom Elements, which they are already developing. On mobile Web 100% of the browsers support Web Components. https://www.webcomponents.org/ So what are the many popular browsers you refer to? As anything else is meaningless.
> Edge and Firefox are only missing Shadow DOM and Custom Elements, Your statement makes no sense whatsoever, they are "only missing" 2 of the most fundamental features of web components? that would actually help getting rid of all these incompatible UI toolkits? I don't call that supporting Web Components at all if you can't write custom elements natively. You obviously do not understand how the lack of support for…
https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Rel...