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What Is doctype In Html..?
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Thread: What Is doctype In Html..?
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07-22-2019, 02:33 AM #1Senior Member
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What Is doctype In Html..?
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07-22-2019, 02:46 AM #2Registered User
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The <!DOCTYPE> declaration is not an HTML tag; it is an instruction to the web browser about what version of HTML the page is written in. In HTML 4.01, the <!DOCTYPE> declaration refers to a DTD, because HTML 4.01 was based on SGML. ... HTML5 is not based on SGML, and therefore does not require a reference to a DTD.
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07-22-2019, 02:49 AM #3Registered User
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The <!DOCTYPE html> declaration is used to inform a website visitor's browser that the document being rendered is an HTML document. While not actually an HTML element itself, every HTML document should being with a DOCTYPE declaration to be compliant with HTML standards.
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07-22-2019, 03:34 AM #4Senior Member
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The doctype declaration should be the very first thing in an HTML document, before the tag. The doctype declaration is not an HTML tag; it is an instruction to the web browser about what version of the markup language the page is written in. The doctype declaration refers to a Document Type Definition (DTD).
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07-22-2019, 03:49 AM #5Senior Member
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A document type declaration, or DOCTYPE, is an instruction that associates a particular SGML with a document type definition or XML document. In the serialized form of the document, it manifests as a short string of markup that conforms to a particular syntax.
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07-22-2019, 05:14 AM #6Registered User
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then information is useful, thanks
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07-22-2019, 06:37 AM #7Senior Member
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It is an instruction to the web browser about what version of HTML the page is written in.
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04-30-2020, 01:20 AM #8Registered User
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All html document must start with <!doctype> declaration.
The declaration is not an html tag.
It is an information to the browser about what document type to expect.
It is not case sensitive.
In older version we did have to write like this : <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
Now we can write only this <!DOCTYPE HTML>.
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04-30-2020, 08:31 AM #9Senior Member
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A doctype or document type declaration is an instruction which tells the web browser about the markup language in which the current page is written. The Doctype is not an element or tag, it lets the browser know about the version of or standard of HTML or any other markup language that is being used in the document.
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