First, we have the Document Type Declaration, or doctype. This is simply a way to
tell the browser—or any other parsers—what type of document they’re looking at.
In the case of HTML files, it means the specific version and flavor of HTML. The
doctype should always be the first item at the top of all your HTML files. In the
past, the doctype declaration was an ugly and hard-to-remember mess.
HTML5
has done away with that indecipherable eyesore. Now all you need is this:
<!doctype html>
tell the browser—or any other parsers—what type of document they’re looking at.
In the case of HTML files, it means the specific version and flavor of HTML. The
doctype should always be the first item at the top of all your HTML files. In the
past, the doctype declaration was an ugly and hard-to-remember mess.
HTML5
has done away with that indecipherable eyesore. Now all you need is this:
<!doctype html>