Crossbrowser input type?

Question

HTML

New types of input type appeared in HTML5, for example, email or tel
1) Support in Safari, for example, from version 5, what will happen if users with an older browser enter the page, what type is the value of this attribute converted to, text or emptiness or something something else?
2) Does the input type url support Cyrillic domains?

Answer 1

1. There will be a normal input type=text.
2. How long will it take to try out?

Answer 2

well, this is their problem, and you should already do the validation