Tech tip of this week

What is the ? Is it necessary to use in HTML5 ?

The <!DOCTYPE> is an instruction to  the web browser about what version of HTML the page is written in. AND The <!DOCTYPE> tag does not have an end tag and It is not case sensitive.

The <!DOCTYPE> declaration must be the very first thing in HTML5 document, before the <html>  tag. As In HTML 4.01,all <! DOCTYPE >  declarations require a reference to  a Document Type Definition (DTD), because HTML 4.01 was based on Standard Generalized Markup Language (SGML). WHERE AS HTML5 is not based on SGML, and therefore does not require a reference to  a Document Type Definition (DTD).

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