Question

what is the purpose of !DOCTYPE declaration​

Answer 1

Answer:

Definition and Usage

DOCTYPE> declaration. The declaration is not an HTML tag. It is an "information" to the browser about what document type to expect.

Answer 2

Answer:

Doctype stands for Document Type Declaration. It informs the web browser about the type and version of HTML used in building the web document. This helps the browser to handle and load it properly. While the HTML syntax for this statement is somewhat simple, you must note each version of HTML has its own rules