Google Map not working with XHTML Doctype (Document Type)

Question

Why on the earth there is always a chance that if we use \"Doctype\" with Google Maps, there will be a problem in showing the Google Map correctly?

In a recent case,

Answer 1

Your question says "if we use 'Doctype' ". Does this mean you didn't before? If you didn't before, then, essentially, you are changing the 'rules' of how a web page will be laid out. Without a proper doctype, you are in quirks mode.