HTML Element: document type
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The HTML document
type element takes the form:
<!DOCTYPE>
Or:
<!DOCTYPE attributes>
Common declarations
include:
Declaration
|
Meaning
|
<!DOCTYPE html>
|
HTML 5
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
|
HTML 4.01 Strict
(excludes depreciated elements)
|
<!DOCTYPE HTML
PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
|
HTML 4.01 Transitional
(includes depreciated elements but not framesets)
|
<!DOCTYPE HTML
PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
"http://www.w3.org/TR/html4/frameset.dtd">
|
HTML 4.01 Frameset (as
per Transitional, but also allows use of framesets)
|
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
XHTML 1.0 Strict
(excludes depreciated elements)
|
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
XHTML 1.0
Transitional (includes depreciated elements but not framesets)
|
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
|
XHTML 1.0 Frameset
(as per Transitional, but also allows use of framesets)
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML
1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
XHTML 1.1, as
XHTML 1.0 but allows additional modules, e.g. to provide ruby support for
East Asian languages
|
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