Html5 shubelal

Agenda
• HTML
• HTML versions
• HTML5
• How Did HTML5 Get Started?
• Rules For HTML5
• HTML5 Less Header Code
• No need for type attribute
• More Semantic HTML Tags
• Media Tags
• Canvas
• Web storage

HTML
• Hyper Text Markup Language is the
language for specifying the static content
of Web pages.
• Hyper Text refers to the fact that Web
pages are more than just text.
• can contain multimedia, provide links for jumping
within & without.

HTML
• Markup refers to the fact that it works by
augmenting text with special symbols (tags) that
identify structure and content type.
• There are many versions of HTML

HTML Versions
• HTML 2.0 November 24, 1995
• HTML 3.2 January 1997
• HTML 4.0 December 1997
• HTML 4.0 April 1998
was reissued with minor edits without
incrementing the version number.

HTML Versions
• HTML 4.01 December 1999
• HTML5 January 2008
was published

HTML5
• HTML5 will be the new
standard for HTML, XHTML
• The previous version of
HTML came in 1999. The
web has changed a lot since
then.

HTML5
• HTML5 is still a work in
progress.
• However, most modern
browsers have some
HTML5 support.

How Did HTML5 Get Started?
• HTML5 is the cooperation between the
World Wide Web Consortium (W3C)
and the Web Hypertext Application
Technology Working Group (WHATWG).

How Did HTML5 Get Started?
• WHATWG was working with web forms
and applications, and W3C was working
with XHTML 2.0. In 2006, they decided to
cooperate and create a new version of
HTML

Rules For HTML5
• New features should be based on HTML,
CSS and JavaScript.
• Reduce the need for external plugins (like
Flash)

Rules For HTML5
• Better error handling.
• More markup to replace scripting.
• HTML5 should be device independent.

Less Header Code
• With HTML5
<!DOCTYPE HTML>
<html>
<head>
<meta charset=”utf-8”>
<title>MSP</title>
</head>

Less Header Code
• Pre HTML5
<!DOCTYPE HTML PUBLIC "-//W3C//Dtd
HTML 4.01 Transitional//EN" "http://
www.w3.org/tr/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=utf-8">
<title>MSP</title>
</head>

No need for type attribute
• With HTML5
<script src=”MSP.js”></script>
<link href=”MSP.css”></link>

No need for type attribute
• Pre HTML5
<script type=”text/javascript” src=”script.js”>
</script>
<link type=”text/css” href=”style.css”></link>

More Semantic HTML Tags
• Output
<output name="result"></output>
 Attributes
o Name
o For

• progress
<progress id="p"
max=100><span>0</span>%</progress>
 Attributes
o Value
o Max

• Meter
<meter min="0“ max="100“
value="75"></meter>
• Attributes
o Value
o Max
o Min
o High
o Low
o Form

• Details and Summary
 The content of a <details> element should
not be visible unless the open attribute is
set.
 User can show the content

<details>
<summary>coping 1999-2010</summary>
<p> - by Refsnes Data. All Rights Reserved.</p>
<p>All content and graphics on this web site
are the property of the company Refsnes
Data.</p>
</details>
 Attributes
o Open

• Address
• The <address> tag defines the contact
information for the author/owner of a
document or an article.
• If the <address> element is inside the
<body> element, it represents contact
information for the document.

• Address
• If the <address> element is inside an
<article> element, it represents contact
information for that article.
• The text in the <address> element usually
renders in italic. Most browsers will add a
line break before and after the address
element.

• Ex :
<address>
Written by <a
href="mailto:webmaster@example.com">Jon
Doe</a>.<br />
Visit us at:<br />
Example.com<br />
Box 564, Disneyland<br />
USA
</address>

• Figure
<figure>
<img src=“MSP.jpg" alt=“MSP">
<figcaption>Microsoft student
partner</figcaption>
</figure>

• Hgroup
<!DOCTYPE html>
<html>
<body>
<hgroup>
<h1>Welcome to my WWF</h1>
<h2>For a living planet</h2>
</hgroup>
</body>
</html>

• Article
Examples of possible articles:
forum post
newspaper article
blog entry
user comment

• Section
• The <section> tag defines sections in a
document. Such as
chapters, headers, footers, or any other
sections of the document.

• <article>
• <hgroup>
• <h1>Mobile Phones</h1>
• <h2>Different Smart Phones</h2>
• </hgroup>
• <p>Some of the more popular mobile smart phones</p>
• <section>
• <h1>Apple iPhone</h1>
• <p>A popular smart phone from Apple.</p>
• </section>
• <section>
• <h1>Android-based Phones</h1>
• <p>A series of smart phones that use the Google Android operating
system.</p>
• </section>
• </article>

• There are a lot of new tags at HTML5
which we used them a lot.

Media Tags
• Video
• Today, most videos are shown through a plug-in (like
flash). However, different browsers may have different
plug-ins.
• HTML5 defines a new element which specifies a
standard way to embed a video/movie on a web page

Media Tags
• <video width="320" height="240"
controls="controls">
<source src="movie.mp4" type="video/mp4" />
<source src="movie.ogg" type="video/ogg" />
Your browser does not support the video tag.
</video>
• The control attribute adds video controls, like
play, pause, and volume.

Media Tags
Browser MP4 WebM Ogg
Internet
Explorer 9
YES NO NO
Firefox 4.0 NO YES YES
Google
Chrome 6
YES YES YES
Apple Safari 5 YES NO NO
Opera 10.6 NO YES YES
Currently, there are 3 supported video formats for
the <video> element: MP4, WebM, and Ogg:
•MP4 = MPEG 4 files with H264 video codec and AAC audio codec
•WebM = WebM files with VP8 video codec and Vorbis audio codec
•Ogg = Ogg files with Theora video codec and Vorbis audio codec

Media Tags
• Video/Dom
• The HTML5 <video> element also has
methods, properties, and events.
• There are methods for playing, pausing, and
loading, for example. There are properties
(e.g. duration, volume, seeking) that you can
read or set. There are also DOM events that
can notify you, for example, when the
<video> element begins to play, is paused, is
ended, etc

Media Tags
Methods Properties Events
play() currentSrc play
pause() currentTime pause
load() videoWidth progress
canPlayType videoHeight error
duration timeupdate
ended ended
error abort
paused empty
muted emptied
seeking waiting
volume loadedmetadata
height
width

Media Tags
• There is an Example for video/Dom

Media Tags
• Audio
• Today, most audio files are played through a plug-in (like
flash). However, different browsers may have different
plug-ins.
• HTML5 defines a new element which specifies a
standard way to embed an audio file on a web page: the
<audio> element

Media Tags
• <audio controls="controls">
• <source src="song.ogg" type="audio/ogg" />
• <source src="song.mp3" type="audio/mpeg" />
• Your browser does not support the audio element.
• </audio>
• The control attribute adds audio controls, like
play, pause, and volume.

Media Tags
Browser MP3 Wav Ogg
Internet
Explorer 9
YES NO NO
Firefox 4.0 NO YES YES
Google
Chrome 6
YES YES YES
Apple Safari 5 YES YES NO
Opera 10.6 NO YES YES
Currently, there are 3 supported file formats for
the <audio> element: MP3, Wav, and Ogg:

Canvas
• What is Canvas?
• The HTML5 canvas element uses
JavaScript to draw graphics on a web
page.

Canvas
• A canvas is a rectangular area, and you
control every pixel of it.
• The canvas element has several methods
for drawing
paths, boxes, circles, characters, and
adding images.

Canvas
• Create a Canvas Element
• <canvas id="myCanvas" width="200"
height="100"></canvas>

Canvas
• Draw With JavaScript
• <script type="text/javascript">
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.fillStyle="#FF0000";
ctx.fillRect(0,0,150,75);
</script>

Web Storage
• HTML5 offers two new objects for storing
data on the client:
localStorage - stores data with no time
limit
sessionStorage - stores data for one
session

Web Storage
• Earlier, this was done with cookies.
Cookies are not suitable for large amounts
of data, because they are passed on by
EVERY request to the server, making it
very slow and in-effective.

Web Storage
• In HTML5, the data is NOT passed on by
every server request, but used ONLY
when asked for. It is possible to store large
amounts of data without affecting the
website's performance.

Web Storage
• The data is stored in different areas for
different websites, and a website can only
access data stored by itself.
• HTML5 uses JavaScript to store and
access the data

The localStorage Object
• The localStorage object stores the data
with no time limit. The data will be
available the next day, week, or year.

The localStorage Object
• How to create and access a localStorage:
<script type="text/javascript">
localStorage.lastname="Smith";
document.write("Last name: " +
localStorage.lastname);
</script>
</body>

The sessionStorage Object
• The sessionStorage object stores the data
for one session. The data is deleted when
the user closes the browser window.

The sessionStorage Object
• How to create and access a
sessionStorage:
<script type="text/javascript">
sessionStorage.lastname="Smith";
document.write(sessionStorage.lastname);
</script>

Review
• HTML
• HTML5
• How Did HTML5 Get Started?
• RulesFor HTML5
• HTML5 Less Header Code
• No need for type attribute
• More Semantic HTML Tags
• Media Tags
• Canvas
• Web storage

Html5 shubelal

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