This document provides an overview of HTML5, including its history, key features, new APIs, and limitations. It discusses how HTML5 introduces new elements like header, footer, nav, aside, and section to provide more structure and semantics. New APIs allow for embedded multimedia using video and audio tags. However, browser support for HTML5 is still limited and cross-browser compatibility can be an issue.

1. By Mohd. Shoaib

2. Agenda
• Introduction
• History
• Features
• New API’s in HTML5
• Limitations

3. Introduction
 To give authors more flexibility and
interoperability, and enable more
interactive and exciting websites
HTML5, introduces wide range of
features.
 These feature includes form controls,
API’s, multimedia, structure and
semantics.
 HTML5 was introduced by
W3C.Including browser vendors such
as Apple, Mozilla, Opera, and

4. History
 HTML 3.0 was developed in 1995.
 HTML 3.2 was developed in 1997.
 HTML 4 was developed in 1998.
 After developing HTML4, W3C stopped working
on HTML, and started working
on XML.
 HTML5 was first started by Mozilla, Apple, and
Opera, later in 2006 W3C showed interest on
html5 and created group for working on HTML5
project

6. HTML5 Structure
Fi g- H L5 docum
TM ent st r uct ur e.

7. Continue…
 There are some new features in
HTML5.
 Header
header represents header of the
section.
Header element contains
introductory information to a section or
page.
It can involve anything from our
normal document headers to an entire
table of contents.

8. Continue…
<header>
<h1>A Preview of HTML 5</h1>
<p class="byline">By Lachlan Hunt</p>
</header>
<header>
<h1>Example Blog</h1>
<h2>Insert tag line here.</h2>
</header>

9. <Footer>
 A footer typically contains information
about its section such as who wrote it,
links related to documents.
 For Example.
<footer>© 2007 Example Inc.
</footer>.
<nav>
 The nav element represents section of
navigation links.

10. Continue…
 The nav element is reserved for a
section of document that contains
links to other pages or links to the
section of the same page.
 For e.g. Table of contents.
<nav>
<ul>
<li><a href="/">Home</a></li>
<li><a href="/products">Products</a></li>
<li><a href="/services">Services</a></li>
<li><a href="/about">About</a></li>
</ul> <nav>

11. <Aside>
 Aside represents contents related to
the main area of the document.
 This usually expressed in side bars
that contain related posts, tag clouds
etc.
<h1>Archives</h1>
<ul>
<li><a href="/2007/09/">September 2007</a></li>
<li><a href="/2007/08/">August 2007</a></li>
<li><a href="/2007/07/">July 2007</a></li>

12. <Section>
 Section element represents a generic
section of or application such as a
chapter.
 It act as a same way as <div> does in
separating portion of document.
<article>
 Article element is independent section
of document .
 It is suitable for content like news or
blog.

13. Some other Features…
 HTML5 introduces new elements and
its attributes like <audio> and
<video>.
 Video element used for video files.
 Some attributes are not allowed in
HTML5. Most of the styling attributes
are removed from HTML5.
 Such as align attribute on
caption, iframe, img, input, object, tabl
e, hr, div, h1, h2, h3, p, etc.

14. New API’s in HTML5
API’s for multimedia using video and
audio tag
user can embed different video and
audio formats in the web page.
 API’s that allow offline web
applications
HTML5 allows several features in
which web applications can work
locally, that is without internet
connection.
Drag and drop API’s
html5 allows drag and drop feature
with the help of draggtable attribute

15. Continue…
 HTML Microdata.
User can embed machine readable
data into HTML document.
HTML canvas 2D context.
This API used for rendering 2D
graphics, bitmaps and shapes. This
technology introduced by Apple.

16. Geolocation.

17. Geolocation
 This API include location information
such as GPS (global positioning
system)with device hosting API.
 This feature supports for devises such
as mobile phones, GPS receivers etc.

18. Limitations of HTML5
 Browsers do not provide full support for
HTML5
Non of the web browsers for mobile or have
full implementations at present.
Internet Explorer browser does not
support for HTML5. Even Apple ipad safari
browser doesn’t have full support for HTML5.
 Cross platform browser compatibility
The application developed for ipad is not
guaranteed to work well in other browsers like
IE.

19. Continue…
 Audio/video support
HTML5 has added new video and
audio tags in a browser without plugin
but doesn’t officially support any video
or audio format.
 Development tools
There are no tools available that can create
animations for html5 like flash professionals.
For creating animations developers have to code
animations in JavaScripts and CSS.

20. Supported Browsers
 Firefox 4(WebM, Beta)
 Google Chrome
 Opera 10.6 and above.
 Apple Safari (h.264, version 4+)
 Microsoft internet Explorer 9