HTML History

Version Year
Tim Berners-Lee invented www 1989
Tim Berners-Lee invented HTML 1991
Dave Raggett drafted HTML+ 1993
HTML Working Group defined HTML 2.0 1995
W3C Recommended HTML 3.2 1997
W3C Recommended HTML 4.01 1999
W3C Recommended XHTML 1.0 2000
HTML5 WHATWG First Public Draft 2008
HTML5 WHATWG Living Standard 2012
HTML5 W3C Final Recommendation 2014

New Semantic/Structural Elements

Tag Description
<article> Defines an article in the document
<aside> Defines content aside from the page content
<bdi> Defines a part of text that might be formatted in a different direction from other text
<details> Defines additional details that the user can view or hide
<dialog> Defines a dialog box or window
<figcaption> Defines a caption for a <figure> element
<figure> Defines self-contained content, like illustrations, diagrams, photos, code listings, etc.
<footer> Defines a footer for the document or a section
<header> Defines a header for the document or a section
<main> Defines the main content of a document
<mark> Defines marked or highlighted text
<menuitem> Defines a command/menu item that the user can invoke from a popup menu
<meter> Defines a scalar measurement within a known range (a gauge)
<nav> Defines navigation links in the document
<progress> Defines the progress of a task
<rp> Defines what to show in browsers that do not support ruby annotations
<rt> Defines an explanation/pronunciation of characters (for East Asian typography)
<ruby> Defines a ruby annotation (for East Asian typography)
<section> Defines a section in the document
<summary> Defines a visible heading for a <details> element
<time> Defines a date/time
<wbr> Defines a possible line-break

New Form Elements

Tag Description
<datalist> Defines pre-defined options for input controls
<keygen> Defines a key-pair generator field (for forms)
<output> Defines the result of a calculation

HTML5 – New Attribute Syntax

Type Example
Empty <input type=”text” value=”John Doe” disabled>
Unquoted <input type=”text” value=John>
Double-quoted <input type=”text” value=”John Doe”>
Single-quoted <input type=”text” value=’John Doe’>



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