https://raw.githubusercontent.com/mozilla-firefox/firefox/main/testing/web-platform/tests/custom-elements/Document-createElement.html
Custom Elements: document.createElement should create an element with synchronous custom elements...
custom elementsdocumentcreateelementsynchronous
https://redev.rocks/articles/react-create-element
Learn About React createElement | redev.rocks
Oct 3, 2020 - Lets break down how React's createElement method works in it's simplest form.
learnreactcreateelementrocks