DOCTYPES in HTML5

Dipa Mehta

7y1.3kHTML 5

what are the differnt types of Doctypes in HTML5 and how to declare them?

6 Replies

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Harsh Shah6y ago
Hi
Doctype is not an element. It gives instruction to the browser about web page's markup language's version.

A DOCTYPE declaration appears at the top of the web page before starting all elements. Doctype is the first thing defined in an HTML document even before the opening html tag.

Unlike html4 and earlier versions, There is only one declaration of doctype in HTML5 which is:
>
Hope this will help you.
Thank you.
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Onkar Sharma6y ago
Firstly, declaration is not an HTML tag, it is just an instruction to the web browser about the version of HTML in which a web page is written and it is not case-sensitive.

Always add the declaration in your HTML coding, so that the browser knows what type of document to expect.

The simplest and most reliable DOCTYPE Declaration in HTML5 is

Different types of Declarations are

In HTML5:

In HTML 4.01 Strict:

"http://www.w3.org/TR/html4/strict.dtd">

In HTML 4.01 Transitional:
"http://www.w3.org/TR/html4/loose.dtd">

In HTML 4.01 Frameset:
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Rajeesh Menoth7y ago
Hi,

You will get better understanding in W3schools website :

https://www.w3schools.com/tags/tag_doctype.asp

The existing thread in SO :

https://stackoverflow.com/questions/255470/what-are-the-different-doctypes-in-html-and-what-do-they-mean
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Salman Beg7y ago
Hi. You can follow up with this link, https://www.geeksforgeeks.org/html-doctypes/
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Sonu Gupta7y ago
Hi, Go to following link- https://www.w3schools.com/tags/tag_doctype.asp
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Rajanikant Hawaldar7y ago
https://html.com/tags/doctype/ https://stackoverflow.com/questions/255470/what-are-the-different-doctypes-in-html-and-what-do-they-mean
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