HTML5 specification, Informatyka, HTML & CSS
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HTML 5
HTML 5
A vocabulary and associated APIs for HTML and XHTML
1 / 768
2009-07-03 18:26
HTML 5
Editor's Draft 2 July 2009
Latest Published Version:
Latest Editor's Draft:
Previous Versions:
Editors:
Ian Hickson
,
Google, Inc.
David Hyatt, Apple, Inc.
Copyright
© 2009
W3C
®
(
MIT
,
ERCIM
,
Keio
), All Rights Reserved. W3C
liability
,
t
rademark
and
document use
rules
apply.
Abstract
This specification defines the 5th major revision of the core language of the World Wide Web:
the Hypertext Markup Language (HTML). In this version, new features are introduced to help
Web application authors, new elements are introduced based on research into prevailing
authoring practices, and special attention has been given to defining clear conformance
criteria for user agents in an effort to improve interoperability.
2 / 768
2009-07-03 18:26
HTML 5
Status of this document
This section describes the status of this document at the time of its publication. Other
documents may supersede this document. A list of current W3C publications and the most
recently formally published revision of this technical report can be found in the
W3C technical
reports index
The
WHATWG version
of this specification is available under a license that permits reuse of the
specification text.
If you wish to make comments regarding this document, please send them to
public-
html-comments@w3.org
(
subscribe
,
archives
) or
whatwg@whatwg.org
(
subscribe
,
archives
),
or submit them using
our public bug database
. All feedback is welcome.
We maintain
a list of all e-mails that have not yet been considered
and
a list of all bug reports
that have not yet been resolved
.
Implementors should be aware that this specification is not stable.
Implementors who are
not taking part in the discussions are likely to find the specification changing out
from under them in incompatible ways.
Vendors interested in implementing this
specification before it eventually reaches the Candidate Recommendation stage should join the
aforementioned mailing lists and take part in the discussions.
The publication of this document by the W3C as a W3C Working Draft does not imply that all
of the participants in the W3C HTML working group endorse the contents of the specification.
Indeed, for any section of the specification, one can usually find many members of the working
group or of the W3C as a whole who object strongly to the current text, the existence of the
section at all, or the idea that the working group should even spend time discussing the
concept of that section.
The latest stable version of the editor's draft of this specification is always available on
the W3C
CVS server
and in the
WHATWG Subversion repository
. The
latest editor's working copy
(which
may contain unfinished text in the process of being prepared) is also available.
There are various ways to follow the change history for the specification:
E-mail notifications of changes
HTML-Diffs mailing list (diff-marked HTML versions for each change):
/Archives/Public/public-html-diffs/latest
Commit-Watchers mailing list (complete source diffs):
/commit-watchers-whatwg.org
Real-time notifications of changes:
Generated diff-marked HTML versions for each change:
All (non-editorial) changes to the spec source:
Browsable version-control record of all changes:
CVSWeb interface with side-by-side diffs:
/spec/Overview.html
Annotated summary with unified diffs:
Raw Subversion interface:
The W3C
HTML Working Group
is the W3C working group responsible for this specification's
progress along the W3C Recommendation track. This specification is the 2 July 2009 Editor's
Draft.
3 / 768
2009-07-03 18:26
HTML 5
This specification is also being produced by the
WHATWG
. The two specifications are identical
from the table of contents onwards.
This specification is intended to replace (be a new version of) what was previously the HTML4,
XHTML 1.0, and DOM2 HTML specifications.
This document was produced by a group operating under the
5 February 2004 W3C Patent
Policy
. W3C maintains a
public list of any patent disclosures
made in connection with the
deliverables of the group; that page also includes instructions for disclosing a patent. An
individual who has actual knowledge of a patent which the individual believes contains
Essential Claim(s)
must disclose the information in accordance with
section 6 of the W3C
Patent Policy
.
Stability
Different parts of this specification are at different levels of maturity.
4 / 768
2009-07-03 18:26
HTML 5
Table of contents
1 Introduction
1.1 Background
1.2 Audience
1.3 Scope
1.4 History
1.5 Design notes
1.5.1 Serializability of script execution
1.5.2 Compliance with other specifications
1.6 Relationships to other specifications
1.6.1 Relationship to HTML 4.01 and DOM2 HTML
1.6.2 Relationship to XHTML 1.x
1.6.3 Relationship to XHTML2 and XForms
1.7 HTML vs XHTML
1.8 Structure of this specification
1.8.1 How to read this specification
1.8.2 Typographic conventions
1.9 A quick introduction to HTML
2 Common infrastructure
2.1 Terminology
2.1.1 XML
2.1.2 DOM trees
2.1.3 Scripting
2.1.4 Plugins
2.1.5 Character encodings
2.1.6 Resources
2.2 Conformance requirements
2.2.1 Dependencies
2.2.2 Extensibility
2.3 Case-sensitivity and string comparison
2.4 Common microsyntaxes
2.4.1 Common parser idioms
2.4.2 Boolean attributes
2.4.3 Keywords and enumerated attributes
2.4.4 Numbers
2.4.4.1 Non-negative integers
2.4.4.2 Signed integers
2.4.4.3 Real numbers
2.4.4.4 Ratios
2.4.4.5 Percentages and lengths
2.4.4.6 Lists of integers
2.4.4.7 Lists of dimensions
2.4.5 Dates and times
2.4.5.1 Months
2.4.5.2 Dates
2.4.5.3 Times
2.4.5.4 Local dates and times
2.4.5.5 Global dates and times
2.4.5.6 Weeks
5 / 768
2009-07-03 18:26
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HTML 5
HTML 5
A vocabulary and associated APIs for HTML and XHTML
1 / 768
2009-07-03 18:26
HTML 5
Editor's Draft 2 July 2009
Latest Published Version:
Latest Editor's Draft:
Previous Versions:
Editors:
Ian Hickson
,
Google, Inc.
David Hyatt, Apple, Inc.
Copyright
© 2009
W3C
®
(
MIT
,
ERCIM
,
Keio
), All Rights Reserved. W3C
liability
,
t
rademark
and
document use
rules
apply.
Abstract
This specification defines the 5th major revision of the core language of the World Wide Web:
the Hypertext Markup Language (HTML). In this version, new features are introduced to help
Web application authors, new elements are introduced based on research into prevailing
authoring practices, and special attention has been given to defining clear conformance
criteria for user agents in an effort to improve interoperability.
2 / 768
2009-07-03 18:26
HTML 5
Status of this document
This section describes the status of this document at the time of its publication. Other
documents may supersede this document. A list of current W3C publications and the most
recently formally published revision of this technical report can be found in the
W3C technical
reports index
The
WHATWG version
of this specification is available under a license that permits reuse of the
specification text.
If you wish to make comments regarding this document, please send them to
public-
html-comments@w3.org
(
subscribe
,
archives
) or
whatwg@whatwg.org
(
subscribe
,
archives
),
or submit them using
our public bug database
. All feedback is welcome.
We maintain
a list of all e-mails that have not yet been considered
and
a list of all bug reports
that have not yet been resolved
.
Implementors should be aware that this specification is not stable.
Implementors who are
not taking part in the discussions are likely to find the specification changing out
from under them in incompatible ways.
Vendors interested in implementing this
specification before it eventually reaches the Candidate Recommendation stage should join the
aforementioned mailing lists and take part in the discussions.
The publication of this document by the W3C as a W3C Working Draft does not imply that all
of the participants in the W3C HTML working group endorse the contents of the specification.
Indeed, for any section of the specification, one can usually find many members of the working
group or of the W3C as a whole who object strongly to the current text, the existence of the
section at all, or the idea that the working group should even spend time discussing the
concept of that section.
The latest stable version of the editor's draft of this specification is always available on
the W3C
CVS server
and in the
WHATWG Subversion repository
. The
latest editor's working copy
(which
may contain unfinished text in the process of being prepared) is also available.
There are various ways to follow the change history for the specification:
E-mail notifications of changes
HTML-Diffs mailing list (diff-marked HTML versions for each change):
/Archives/Public/public-html-diffs/latest
Commit-Watchers mailing list (complete source diffs):
/commit-watchers-whatwg.org
Real-time notifications of changes:
Generated diff-marked HTML versions for each change:
All (non-editorial) changes to the spec source:
Browsable version-control record of all changes:
CVSWeb interface with side-by-side diffs:
/spec/Overview.html
Annotated summary with unified diffs:
Raw Subversion interface:
The W3C
HTML Working Group
is the W3C working group responsible for this specification's
progress along the W3C Recommendation track. This specification is the 2 July 2009 Editor's
Draft.
3 / 768
2009-07-03 18:26
HTML 5
This specification is also being produced by the
WHATWG
. The two specifications are identical
from the table of contents onwards.
This specification is intended to replace (be a new version of) what was previously the HTML4,
XHTML 1.0, and DOM2 HTML specifications.
This document was produced by a group operating under the
5 February 2004 W3C Patent
Policy
. W3C maintains a
public list of any patent disclosures
made in connection with the
deliverables of the group; that page also includes instructions for disclosing a patent. An
individual who has actual knowledge of a patent which the individual believes contains
Essential Claim(s)
must disclose the information in accordance with
section 6 of the W3C
Patent Policy
.
Stability
Different parts of this specification are at different levels of maturity.
4 / 768
2009-07-03 18:26
HTML 5
Table of contents
1 Introduction
1.1 Background
1.2 Audience
1.3 Scope
1.4 History
1.5 Design notes
1.5.1 Serializability of script execution
1.5.2 Compliance with other specifications
1.6 Relationships to other specifications
1.6.1 Relationship to HTML 4.01 and DOM2 HTML
1.6.2 Relationship to XHTML 1.x
1.6.3 Relationship to XHTML2 and XForms
1.7 HTML vs XHTML
1.8 Structure of this specification
1.8.1 How to read this specification
1.8.2 Typographic conventions
1.9 A quick introduction to HTML
2 Common infrastructure
2.1 Terminology
2.1.1 XML
2.1.2 DOM trees
2.1.3 Scripting
2.1.4 Plugins
2.1.5 Character encodings
2.1.6 Resources
2.2 Conformance requirements
2.2.1 Dependencies
2.2.2 Extensibility
2.3 Case-sensitivity and string comparison
2.4 Common microsyntaxes
2.4.1 Common parser idioms
2.4.2 Boolean attributes
2.4.3 Keywords and enumerated attributes
2.4.4 Numbers
2.4.4.1 Non-negative integers
2.4.4.2 Signed integers
2.4.4.3 Real numbers
2.4.4.4 Ratios
2.4.4.5 Percentages and lengths
2.4.4.6 Lists of integers
2.4.4.7 Lists of dimensions
2.4.5 Dates and times
2.4.5.1 Months
2.4.5.2 Dates
2.4.5.3 Times
2.4.5.4 Local dates and times
2.4.5.5 Global dates and times
2.4.5.6 Weeks
5 / 768
2009-07-03 18:26
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