How to detect HTML 5 compatibility in browser

Question

What is the best way to detect browser compatibility for HTML 5 syntax? And prompt the user if the browser is not compatible?

I understand the tutorial which shows h

Answer 1

do I need to inspect each and every element?

Nope. Only the parts you want to use that aren’t backwards-compatible.

See Five Things You Should Know About HTML5, especially points 1 and 4.