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How to choose HTML document type

Aug 31, 2019 pm 02:44 PM

html

The declaration helps the browser display web pages correctly.

How to choose HTML document type

## Statement(Recommended learning: HTML Getting Started Tutorial)

There are many different documents in the web world. Only by understanding the type of document can the browser display the document correctly.

HTML also has many different versions. Only by fully understanding the exact HTML version used in the page can the browser display the HTML page completely correctly. That's what is for.

is not an HTML tag. It provides the browser with a piece of information (a statement) about what version of the HTML was written.

Example

HTML document with HTML5 DOCTYPE:

<!DOCTYPE html><html><br/><head><br/><title>Title of the document</title><br/></head><br/><br/><body><br/>The content of the document......<br/></body><br/><br/></html><br/>

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HTML version

Since the early days of the Web, it has evolved Multiple HTML versions:

How to choose HTML document type

Commonly used declarations

HTML5

<!DOCTYPE html><br/>

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HTML 4.01

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

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XHTML 1.0

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"<br/>"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br/>

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