KEMBAR78
HTML5 & Friends | PDF
HTML 5
 and friends
2022
Queen
Elizabeth II
Platinum
Jubilee
2022 =
 two completely
  interoperable
implementations
CSS 2.1
Last call:
October 2009
Get Involved
whatwgwg.org/mailing-list

irc://irc.freenode.net/#whatwg

whatwg.org/html5

dev.w3.org/html5
html5doctor.com

html5demos.com
HTML 5
in 5 seconds
<!DOCTYPE html>
What about
 XHTML?
“pave the cowpaths”


    http://www.w3.org/TR/html-design-principles/#pave-the-cowpaths
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
 xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type"
 content="text/html; charset=utf-8"/>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
    xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type"
    content="text/html; charset=utf-8"/>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset=utf-8 />
<style>
 article, aside, dialog,
 figure, footer, header,
 hgroup, menu, nav,
 section {
   display: block;
 }
</style>
document.createElement
document.createElement(‘article’);
document.createElement(‘nav’);
document.createElement(‘section’);
document.createElement(‘header’);
document.createElement(‘footer’);
...
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HTML 5 complete</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
  article, aside, dialog, figure, footer, header,
  hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<!-- we’re ready for HTML 5 goodness now -->
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HTML 5 complete</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
  article, aside, dialog, figure, footer, header,
  hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<!-- we’re ready for HTML 5 goodness now -->
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HTML 5 complete</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
  article, aside, dialog, figure, footer, header,
  hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<!-- we’re ready for HTML 5 goodness now -->
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HTML 5 complete</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
  article, aside, dialog, figure, footer, header,
  hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<!-- we’re ready for HTML 5 goodness now -->
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>HTML 5 complete</title>
<!--[if IE]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
  article, aside, dialog, figure, footer, header,
  hgroup, menu, nav, section { display: block; }
</style>
</head>
<body>
<!-- we’re ready for HTML 5 goodness now -->
</body>
</html>
Firefox 2
& Camino 1
Firefox 2
    & Camino 1
...are not A-grade browsers.
HTML 5
Language
Language
•Layout: header, hgroup,
 footer, section, article, nav,
 menu, dialog, aside
•Layout: header, hgroup,
 footer, section, article, nav,
 menu, dialog, aside

• Inline: time, details,
 figure, mark
•Layout: header, hgroup,
 footer, section, article, nav,
 menu, dialog, aside

• Inline: time, details,
 figure, mark

• Interactive: audio, video,
 (source), canvas, datagrid*
Marking up
   with thanks to Bruce!
A Blog Post

Credit: fujinonbinos.com
Native Media
 Elements
<object classid="clsid:d27cdb6e-a
height="344" codebase="http://dow
flash/swflash.cab#version=6,0,40,
<param name="allowFullScreen" val
<param name="allowscriptaccess" v
<param name="src" value="http://w
<param name="allowfullscreen" val
<embed type="application/x-shockw
src="http://www.youtube.com/v/oHg
allowscriptaccess="always" allowf
</embed>
</object>
<video width="425" height="344">
 <source src="dancing_cats.ogg" />
 <source src="dancing_cats.mp4" />
</video>
http://open.bbc.co.uk/rad/demos/html5/rdtv/episode2/
http://open.bbc.co.uk/rad/demos/html5/rdtv/episode2/
<video>
 <!-- native support -->
 <source />

 <!-- QuickTime support -->
 <object><param></object>

 <!-- fail down to flash -->
 <object><param></object>
</video>
<video>
 <!-- native support -->
 <source />

 <!-- QuickTime support -->
 <object><param></object>

 <!-- fail down to flash -->
 <object><param></object>
</video>
<video>
 <!-- native support -->
 <source />

 <!-- QuickTime support -->
 <object><param></object>

 <!-- fail down to flash -->
 <object><param></object>
</video>
<video>
 <!-- native support -->
 <source />

 <!-- QuickTime support -->
 <object><param></object>

 <!-- fail down to flash -->
 <object><param></object>
</video>
<video>
 <!-- native support -->
 <source />

 <!-- QuickTime support -->
 <object><param></object>

 <!-- fail down to flash -->
 <object><param></object>
</video>
Things that make me go 'Aay:


       •dirt easy doctype
       •a element wraps
         anything

       •video & audio
       •Possibility for cross
         ARIA support
Stuff that sucks
Stuff that sucks

•legend - in figure & details
Stuff that sucks

•legend - in figure & details
•small - should be like a, ins & del
Stuff that sucks

•legend - in figure & details
•small - should be like a, ins & del
•canvas accessibility
Stuff that sucks

•legend - in figure & details
•small - should be like a, ins & del
•canvas accessibility
•video codecs - no agreement
Stuff that sucks

•legend - in figure & details
•small - should be like a, ins & del
•canvas accessibility
•video codecs - no agreement
•The Vomit Bug
HTML 5 APIs
HTML 5 APIs
JavaScripty Stuff
•Canvas           •Geolocation
•Drag & Drop      •Local Storage
•History          •Selectors
•Inline Editing   •Server Events
•Messaging        •Web Sockets
•Offline Apps      •Workers
•Video & Audio
JavaScripty Stuff
•Canvas           •Geolocation
•Drag & Drop      •Local Storage
•History          •Selectors
•Inline Editing   •Server Events
•Messaging        •Web Sockets
•Offline Apps      •Workers
•Video & Audio
JavaScripty Stuff
•Canvas           •Geolocation
•Drag & Drop      •Local Storage
•History          •Selectors
•Inline Editing   •Server Events
•Messaging        •Web Sockets
•Offline Apps      •Workers
•Video & Audio
JavaScripty Stuff
•Canvas           •Geolocation
•Drag & Drop      •Local Storage
•History          •Selectors
•Inline Editing   •Server Events
•Messaging        •Web Sockets
•Offline Apps      •Workers
•Video & Audio
Canvas
var ctx = canvas.getContext('2d');

// Create radial gradient
var grad = ctx.createRadialGradient(0,0,0,0,0,600);
grad.addColorStop(0, '#E4E4E4');
grad.addColorStop(1, '#000');

// assign gradients to fill
ctx.fillStyle = grad;

// draw 600x600 fill
ctx.fillRect(0,0,600,600);
var ctx = canvas.getContext('2d');

// Create radial gradient
var grad = ctx.createRadialGradient(0,0,0,0,0,600);
grad.addColorStop(0, '#E4E4E4');
grad.addColorStop(1, '#000');

// assign gradients to fill
ctx.fillStyle = grad;

// draw 600x600 fill
ctx.fillRect(0,0,600,600);
var ctx = canvas.getContext('2d');

// Create radial gradient
var grad = ctx.createRadialGradient(0,0,0,0,0,600);
grad.addColorStop(0, '#E4E4E4');
grad.addColorStop(1, '#000');

// assign gradients to fill
ctx.fillStyle = grad;

// draw 600x600 fill
ctx.fillRect(0,0,600,600);
var ctx = canvas.getContext('2d');

// Create radial gradient
var grad = ctx.createRadialGradient(0,0,0,0,0,600);
grad.addColorStop(0, '#E4E4E4');
grad.addColorStop(1, '#000');

// assign gradients to fill
ctx.fillStyle = grad;

// draw 600x600 fill
ctx.fillRect(0,0,600,600);
var ctx = canvas.getContext('2d');

// Create radial gradient
var grad = ctx.createRadialGradient(0,0,0,0,0,600);
grad.addColorStop(0, '#E4E4E4');
grad.addColorStop(1, '#000');

// assign gradients to fill
ctx.fillStyle = grad;

// draw 600x600 fill
ctx.fillRect(0,0,600,600);
http://9elements.com/io/projects/html5/canvas/
http://9elements.com/io/projects/html5/canvas/
Drag'n Drop
Drag & Drop
•Events: dragover, dragenter, drop
•event.transferData contains
  strings
•Links & Images draggable by
  default
•Anything else: draggable="true"*
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
var drop = document.querySelector('#drop');

// Tells browser that we can drop on this target
addEvent(drop, 'dragover', cancelEvent);
addEvent(drop, 'dragenter', cancelEvent);

addEvent(drop, 'drop', function (event) {
  // stops browser from redirecting to the text.
  if (event.preventDefault) {
    event.preventDefault();
  }

  alert( event.dataTransfer.getData('Text') );

  return false;
});

function cancelEvent(event) {
  if (event.preventDefault) {
    event.preventDefault();
  }
  return false;
}
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
<style>
  [draggable=true] {
    -khtml-user-drag: element;
  }
</style>

<div draggable="true">drag me</div>

<script>
var items =
document.querySelectorAll('[draggable=true]');

for (var i = 0; i < dragItems.length; i++) {
  addEvent(items[i],'dragstart',function(event) {
     event.dataTransfer.setData('Text', this.id);
   });
}
</script>
http://html5demos.com/drag
http://html5demos.com/drag
Offline Applications
Offline Apps


•Application cache
•Events: offline, online
•navigator.onLine property
Enable

<html
manifest="my.manifest"
>
my.manifest

CACHE MANIFEST
images/shade.jpg
images/bin.jpg
Cache

•First line: CACHE MANIFEST
•Requires text/cache-manifest
•Recommend using versioning
•window.applicationCache
Cache

•On load will request my.manifest
Cache

•On load will request my.manifest
•Change manifest: trigger reload
Cache

•On load will request my.manifest
•Change manifest: trigger reload
•applicationCache.update() force
Cache

•On load will request my.manifest
•Change manifest: trigger reload
•applicationCache.update() force
•Cache events
Geolocation
Not always accurate!
navigator
  .geolocation
  .getCurrentPosition(
     success,
     err
  );
Web Workers
•Threads
•Threads
•Native or via Gears
•Threads
•Native or via Gears
•Sandboxed
•Threads
•Native or via Gears
•Sandboxed
•Debugging?
Without
http://html5demos.com/worker
And a

lot
more...
Attributes: data-*, itemProp,
sandbox (on iframes)

<progress>       Microdata API,
<meter>          datagrid, XHR2,
<datalist>       Database Storage
<ruby>
Web Forms 2.0:       querySelector
client validation,
new input types,       ARIA overlap
date time pickers
Remy
Sharp
@rem
remy@leftlogic.com

html5demos.com
html5doctor.com

JavaScript Conference:
full-frontal.org



Photos by
nesster, adactio, badlogik,
f_mafra, dearbarbie, ilcello,
thefangmonster, anniewong,
aztlek, emeraldrose

HTML5 & Friends

  • 1.
    HTML 5 andfriends
  • 2.
  • 3.
  • 5.
    2022 = twocompletely interoperable implementations
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
    HTML 5 in 5seconds
  • 12.
  • 13.
  • 14.
    “pave the cowpaths” http://www.w3.org/TR/html-design-principles/#pave-the-cowpaths
  • 15.
    <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  • 16.
    <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
  • 17.
  • 18.
    <style> article, aside,dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style>
  • 21.
  • 22.
  • 23.
    <!DOCTYPE html> <html> <head> <meta charset=utf-8/> <title>HTML 5 complete</title> <!--[if IE]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"> </script> <![endif]--> <style> article, aside, dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style> </head> <body> <!-- we’re ready for HTML 5 goodness now --> </body> </html>
  • 24.
    <!DOCTYPE html> <html> <head> <meta charset=utf-8/> <title>HTML 5 complete</title> <!--[if IE]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"> </script> <![endif]--> <style> article, aside, dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style> </head> <body> <!-- we’re ready for HTML 5 goodness now --> </body> </html>
  • 25.
    <!DOCTYPE html> <html> <head> <meta charset=utf-8/> <title>HTML 5 complete</title> <!--[if IE]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"> </script> <![endif]--> <style> article, aside, dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style> </head> <body> <!-- we’re ready for HTML 5 goodness now --> </body> </html>
  • 26.
    <!DOCTYPE html> <html> <head> <meta charset=utf-8/> <title>HTML 5 complete</title> <!--[if IE]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"> </script> <![endif]--> <style> article, aside, dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style> </head> <body> <!-- we’re ready for HTML 5 goodness now --> </body> </html>
  • 27.
    <!DOCTYPE html> <html> <head> <meta charset=utf-8/> <title>HTML 5 complete</title> <!--[if IE]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"> </script> <![endif]--> <style> article, aside, dialog, figure, footer, header, hgroup, menu, nav, section { display: block; } </style> </head> <body> <!-- we’re ready for HTML 5 goodness now --> </body> </html>
  • 28.
  • 29.
    Firefox 2 & Camino 1 ...are not A-grade browsers.
  • 30.
  • 31.
  • 32.
  • 34.
    •Layout: header, hgroup, footer, section, article, nav, menu, dialog, aside
  • 35.
    •Layout: header, hgroup, footer, section, article, nav, menu, dialog, aside • Inline: time, details, figure, mark
  • 36.
    •Layout: header, hgroup, footer, section, article, nav, menu, dialog, aside • Inline: time, details, figure, mark • Interactive: audio, video, (source), canvas, datagrid*
  • 37.
    Marking up with thanks to Bruce!
  • 40.
    A Blog Post Credit:fujinonbinos.com
  • 42.
  • 43.
    <object classid="clsid:d27cdb6e-a height="344" codebase="http://dow flash/swflash.cab#version=6,0,40, <paramname="allowFullScreen" val <param name="allowscriptaccess" v <param name="src" value="http://w <param name="allowfullscreen" val <embed type="application/x-shockw src="http://www.youtube.com/v/oHg allowscriptaccess="always" allowf </embed> </object>
  • 44.
    <video width="425" height="344"> <source src="dancing_cats.ogg" /> <source src="dancing_cats.mp4" /> </video>
  • 45.
  • 46.
  • 48.
    <video> <!-- nativesupport --> <source /> <!-- QuickTime support --> <object><param></object> <!-- fail down to flash --> <object><param></object> </video>
  • 49.
    <video> <!-- nativesupport --> <source /> <!-- QuickTime support --> <object><param></object> <!-- fail down to flash --> <object><param></object> </video>
  • 50.
    <video> <!-- nativesupport --> <source /> <!-- QuickTime support --> <object><param></object> <!-- fail down to flash --> <object><param></object> </video>
  • 51.
    <video> <!-- nativesupport --> <source /> <!-- QuickTime support --> <object><param></object> <!-- fail down to flash --> <object><param></object> </video>
  • 52.
    <video> <!-- nativesupport --> <source /> <!-- QuickTime support --> <object><param></object> <!-- fail down to flash --> <object><param></object> </video>
  • 53.
    Things that makeme go 'Aay: •dirt easy doctype •a element wraps anything •video & audio •Possibility for cross ARIA support
  • 55.
  • 56.
    Stuff that sucks •legend- in figure & details
  • 57.
    Stuff that sucks •legend- in figure & details •small - should be like a, ins & del
  • 58.
    Stuff that sucks •legend- in figure & details •small - should be like a, ins & del •canvas accessibility
  • 59.
    Stuff that sucks •legend- in figure & details •small - should be like a, ins & del •canvas accessibility •video codecs - no agreement
  • 60.
    Stuff that sucks •legend- in figure & details •small - should be like a, ins & del •canvas accessibility •video codecs - no agreement •The Vomit Bug
  • 61.
  • 62.
  • 63.
    JavaScripty Stuff •Canvas •Geolocation •Drag & Drop •Local Storage •History •Selectors •Inline Editing •Server Events •Messaging •Web Sockets •Offline Apps •Workers •Video & Audio
  • 64.
    JavaScripty Stuff •Canvas •Geolocation •Drag & Drop •Local Storage •History •Selectors •Inline Editing •Server Events •Messaging •Web Sockets •Offline Apps •Workers •Video & Audio
  • 65.
    JavaScripty Stuff •Canvas •Geolocation •Drag & Drop •Local Storage •History •Selectors •Inline Editing •Server Events •Messaging •Web Sockets •Offline Apps •Workers •Video & Audio
  • 66.
    JavaScripty Stuff •Canvas •Geolocation •Drag & Drop •Local Storage •History •Selectors •Inline Editing •Server Events •Messaging •Web Sockets •Offline Apps •Workers •Video & Audio
  • 67.
  • 68.
    var ctx =canvas.getContext('2d'); // Create radial gradient var grad = ctx.createRadialGradient(0,0,0,0,0,600); grad.addColorStop(0, '#E4E4E4'); grad.addColorStop(1, '#000'); // assign gradients to fill ctx.fillStyle = grad; // draw 600x600 fill ctx.fillRect(0,0,600,600);
  • 69.
    var ctx =canvas.getContext('2d'); // Create radial gradient var grad = ctx.createRadialGradient(0,0,0,0,0,600); grad.addColorStop(0, '#E4E4E4'); grad.addColorStop(1, '#000'); // assign gradients to fill ctx.fillStyle = grad; // draw 600x600 fill ctx.fillRect(0,0,600,600);
  • 70.
    var ctx =canvas.getContext('2d'); // Create radial gradient var grad = ctx.createRadialGradient(0,0,0,0,0,600); grad.addColorStop(0, '#E4E4E4'); grad.addColorStop(1, '#000'); // assign gradients to fill ctx.fillStyle = grad; // draw 600x600 fill ctx.fillRect(0,0,600,600);
  • 71.
    var ctx =canvas.getContext('2d'); // Create radial gradient var grad = ctx.createRadialGradient(0,0,0,0,0,600); grad.addColorStop(0, '#E4E4E4'); grad.addColorStop(1, '#000'); // assign gradients to fill ctx.fillStyle = grad; // draw 600x600 fill ctx.fillRect(0,0,600,600);
  • 72.
    var ctx =canvas.getContext('2d'); // Create radial gradient var grad = ctx.createRadialGradient(0,0,0,0,0,600); grad.addColorStop(0, '#E4E4E4'); grad.addColorStop(1, '#000'); // assign gradients to fill ctx.fillStyle = grad; // draw 600x600 fill ctx.fillRect(0,0,600,600);
  • 74.
  • 75.
  • 76.
  • 77.
    Drag & Drop •Events:dragover, dragenter, drop •event.transferData contains strings •Links & Images draggable by default •Anything else: draggable="true"*
  • 78.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 79.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 80.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 81.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 82.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 83.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 84.
    var drop =document.querySelector('#drop'); // Tells browser that we can drop on this target addEvent(drop, 'dragover', cancelEvent); addEvent(drop, 'dragenter', cancelEvent); addEvent(drop, 'drop', function (event) { // stops browser from redirecting to the text. if (event.preventDefault) { event.preventDefault(); } alert( event.dataTransfer.getData('Text') ); return false; }); function cancelEvent(event) { if (event.preventDefault) { event.preventDefault(); } return false; }
  • 85.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 86.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 87.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 88.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 89.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 90.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 91.
    <style> [draggable=true]{ -khtml-user-drag: element; } </style> <div draggable="true">drag me</div> <script> var items = document.querySelectorAll('[draggable=true]'); for (var i = 0; i < dragItems.length; i++) { addEvent(items[i],'dragstart',function(event) { event.dataTransfer.setData('Text', this.id); }); } </script>
  • 92.
  • 93.
  • 94.
  • 95.
    Offline Apps •Application cache •Events:offline, online •navigator.onLine property
  • 96.
  • 97.
  • 98.
    Cache •First line: CACHEMANIFEST •Requires text/cache-manifest •Recommend using versioning •window.applicationCache
  • 99.
    Cache •On load willrequest my.manifest
  • 100.
    Cache •On load willrequest my.manifest •Change manifest: trigger reload
  • 101.
    Cache •On load willrequest my.manifest •Change manifest: trigger reload •applicationCache.update() force
  • 102.
    Cache •On load willrequest my.manifest •Change manifest: trigger reload •applicationCache.update() force •Cache events
  • 105.
  • 106.
  • 108.
    navigator .geolocation .getCurrentPosition( success, err );
  • 110.
  • 111.
  • 112.
  • 113.
    •Threads •Native or viaGears •Sandboxed
  • 114.
    •Threads •Native or viaGears •Sandboxed •Debugging?
  • 115.
  • 116.
  • 117.
  • 119.
    Attributes: data-*, itemProp, sandbox(on iframes) <progress> Microdata API, <meter> datagrid, XHR2, <datalist> Database Storage <ruby> Web Forms 2.0: querySelector client validation, new input types, ARIA overlap date time pickers
  • 120.
    Remy Sharp @rem remy@leftlogic.com html5demos.com html5doctor.com JavaScript Conference: full-frontal.org Photos by nesster,adactio, badlogik, f_mafra, dearbarbie, ilcello, thefangmonster, anniewong, aztlek, emeraldrose