All type of DOCTYPES

There is many types of doctype according to HTML version. Doctype is an instruction to the web browser, which tell that which version of HTML the page written in. It is first thing in your HTML page. We should always use doctype declaration in HTML documents, so that Browser knows what type of document to expect.

For Example:-

HTML 4.01 Strict

<!doctype html="" public="" dtd=""></!doctype>








XHTML 1.0 Strict



<!doctype html="" public="" dtd=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""></!doctype></!doctype>







XHTML 1.0 Transitional



<!doctype html="" public="" dtd=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""></!doctype></!doctype></!doctype>







XHTML 1.1



<!doctype html="" public="" dtd=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""><!doctype html="" public="" dtd="" xhtml=""></!doctype></!doctype></!doctype></!doctype>







HTML 5



<!doctype html="" public="" dtd=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""><!doctype html="" public="" dtd="" xhtml="" 1.0=""><!doctype html="" public="" dtd="" xhtml=""><!doctype html=""></!doctype></!doctype></!doctype></!doctype></!doctype>