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Doctype In HTML

In this article, we will discuss Doctype markup in HTML.

Purpose Of Doctype

Doctype describes the version of a web document. It means that we are specifying, what are the legal markups that a UI developer can use for that specific web page.

Syntax

Doctype syntax depends upon the version of the web document you are using. If you are using HTML 5 then the syntax will be.

<!DOCTYPE html>

And for HTML 4.01

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

Or

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

Sample

Doctype is included on the top of the web page. See the following code

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
	<head>
		<title>My first page</title>
	</head>
	<body></body>
</html>

Even if you check the preceding code in a web browser, you see that there is no change in output.

Browser Support

Internet Explorer	Firefox	Chrome	Safari	Opera	Edge
Yes	Yes	Yes	Yes	Yes	Yes

Posted By -	Karan Gupta

Posted On -	Thursday, October 15, 2015

Updated On -	Tuesday, January 31, 2017

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