2 ms·
Custom elements are 100% valid and standards-compliant HTML. https://html.spec.whatwg.org/multipage/custom-elements.html https://html.spec.whatwg.org/multipage
by themacguffinman 8y ago
Custom elements are 100% valid and standards-compliant HTML.
https://html.spec.whatwg.org/multipage/custom-elements.html https://html.spec.whatwg.org/multipage/custom-elements.html
https://www.w3.org/TR/custom-elements/ https://www.w3.org/TR/custom-elements/