HTML5, The Open Web, and what it means for you - Altran
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This document discusses HTML5 and related topics. It provides code examples of new HTML5 elements like <header>, <article>, and <canvas>. It demonstrates how to add semantics, draw shapes, and load images onto a canvas. It also mentions new APIs for video, custom data attributes, and live regions for accessibility. The goal is to introduce HTML5 and showcase its capabilities for building engaging web content.
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HTML5, The Open Web, and what it means for you - Altran
- 1. HTML5 The Open Web, and what it means for you
- 4. @robertnyman
- 5. Mozilla is a global non- profit dedicated to putting you in control of your online experience and shaping the future of the Web for the public good
- 12. What is HTML5?
- 13. Semantics APIs
- 14. Platforms!
- 15. must die!!! rea lly Not
- 16. HTML5 semantics
- 18. <!DOCTYPE html>
- 20. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- 22. <header> <aside> <article> <nav> <section> <figure> <footer> <figcaption>
- 24. <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>HTML5 example with new elements and WAI-ARIA landmark roles - robertnyman.com</title> <link rel="stylesheet" href="css/base.css" type="text/css" media="screen"> <!--[if lte IE 8]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> </head> <body id="index-page"> <div id="container"> <header role="banner"> <h1>HTML5 example <a href="http://robertnyman.com/html5">- To: Information and samples for HTML5 and related APIs</a></h1> <p>This page has valid simple HTML5 markup with new elements complemented with WAI-ARIA landmark roles for accessibility</p> </header> <div id="demo-main" role="main"> <article id="demo-main-content"> <header> <hgroup> <h2>A title</h2> <h3>Subtitle to the above title</h3> </hgroup> </header> <section> <p>Some content, created <time datetime="2009-10-14">October 14th 2009</time></p> </section> <section> <p>Some more content - I guess you get the drift by now</p> </section> </article> <aside id="demo-aside-content" role="complementary"> This is just a demo page to see HTML5 markup and WAI-ARIA landmark roles in action in a simple context </aside> </div> <footer id="page-footer" role="contentinfo"> Created by <a href="http://robertnyman.com/">Robert Nyman</a> </footer> </div> </body> </html>
- 25. <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>HTML5 example with new elements and WAI-ARIA landmark roles - robertnyman.com</title> <link rel="stylesheet" href="css/base.css" type="text/css" media="screen"> <!--[if lte IE 8]> <script src="http://html5shiv.googlecode.com/svn/trunk/ html5.js"></script> <![endif]--> </head>
- 26. <header role="banner"> <h1>HTML5 example <a href="http://robertnyman.com/html5">- To: Information and samples for HTML5 and related APIs</a></h1> <p>This page has valid simple HTML5 markup with new elements complemented with WAI-ARIA landmark roles for accessibility</p> </header>
- 27. <div id="demo-main" role="main"> <article id="demo-main-content"> <header> <hgroup> <h2>A title</h2> <h3>Subtitle to the above title</h3> </hgroup> </header> <section> <p>Some content, created <time datetime="2009-10-14">October 14th 2009</time></p> </section> <section> <p>Some more content - I guess you get the drift by now</p> </section> </article> <aside id="demo-aside-content" role="complementary"> This is just a demo page to see HTML5 markup and WAI-ARIA landmark roles in action in a simple context </aside> </div>
- 28. <footer id="page-footer" role="contentinfo"> Created by <a href="http://robertnyman.com/">Robert Nyman</a> </footer>
- 29. <figure> <img src="elephant.jpg" alt="A close up of an elephant"> <figcaption>A mighty big elephant, and mighty close too!</figcaption> </figure>
- 31. JAWS version 10 screen reader NVDA 2010.1 VoiceOver on iPhone IOS4
- 32. <aside aria-live="polite" aria-relevant="additions" aria-atomic="true"> Some sidebar content </aside>
- 33. WAI-ARIA Authoring Practices 1.0 Live Regions - http://www.w3.org/WAI/PF/aria-practices/ #LiveRegions
- 35. <p data-type="police" data-value="I am da law!"> An element with custom data attributes </p>
- 36. var customAttributes = document.getElementById("custom-attributes"); customAttributes.getAttribute("data-type"); customAttributes.getAttribute("data-value");
- 38. var dataset = []; for (var i in customAttributes.dataset) { dataset.push(i + ": " + customAttributes.dataset[i]); }
- 39. HTML5 Doctor
- 40. Video
- 42. <video controls> <source src="nasa.mp4"></source> <source src="nasa.webm"></source> <p>Hello, older web browser</p> </video>
- 51. Canvas
- 52. <canvas id="my-canvas" width="500" height="500"> I am canvas </canvas>
- 53. var canvas = document.getElementById("my-canvas"), context = canvas.getContext("2d"); context.fillStyle = "#f00"; context.fillRect(0, 0, 100, 100);
- 54. context.save(); context.fillStyle = "rgba(0, 0, 200, 0.5)"; context.fillRect(50, 50, 100, 100); context.clearRect(40, 40, 20, 20); context.restore();
- 56. context.fillRect(350, 50, 100, 100); context.lineWidth = "10"; context.lineJoin = "round"; context.moveTo(50, 50); context.lineTo(200, 200); context.lineTo(100, 300); context.closePath(); context.stroke(); context.fill(); context.beginPath(); context.strokeStyle = "#00f"; context.arc(200, 400, 75, 0, Math.PI*2, false); context.stroke();
- 59. context.fillStyle = "#fff"; context.fillRect(0, 0, 200, 200); context.fillStyle = "#f00"; context.fillRect(0, 0, 100, 100); context.fillRect(100, 100, 100, 100);
- 61. context.strokeStyle = "transparent"; context.arc(100, 100, 75, 0, Math.PI*2, false); context.clip(); context.stroke(); context.fillStyle = "#fff"; context.fillRect(0, 0, 200, 200); context.fillStyle = "#f00"; context.fillRect(0, 0, 100, 100); context.fillRect(100, 100, 100, 100);
- 63. var canvas = document.getElementById("my-canvas"), context = canvas.getContext("2d"), img = document.createElement("img"); img.addEventListener("load", function () { context.drawImage(img, 0, 0, 600, 200); // Get canvas content as a base64 image var base64Img = canvas.toDataURL("image/png"); }, false); img.setAttribute("src", "view.jpg");
- 66. pdf.js
- 67. SVG
- 68. <svg xmlns="http://www.w3.org/2000/svg" width="200" height="110" version="1.1" > <circle cx="100" cy="52" r="50" stroke="#0000ff" stroke-width="1" fill="#ff0000" /> </svg>
- 70. <?xml version="1.0" standalone="no"?> <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"> <svg xmlns="http://www.w3.org/2000/svg" width="200" height="110" version="1.1" > <circle cx="100" cy="52" r="50" stroke="#0000ff" stroke-width="1" fill="#ff0000" /> </svg>
- 71. var svg = document.createElementNS("http://www.w3.org/2000/svg", "svg"), circle = document.createElementNS("http://www.w3.org/2000/svg", "circle"); svg.setAttribute("width", "200"); svg.setAttribute("height", "110"); svg.setAttribute("version", "1.1"); circle.setAttribute("cx", "100"); circle.setAttribute("cy", "52"); circle.setAttribute("r", "50"); circle.setAttribute("fill", "#ff0000"); circle.setAttribute("stroke", "#00ffff"); svg.appendChild(circle); document.getElementById("svg-container").appendChild(svg);
- 72. Raphaël JavaScript Library - SVG and VML
- 73. var paper = Raphael(document.getElementById("raphael-demo"), 320, 200), circle = paper.circle(150, 62, 60); circle.attr("fill", "#ff0000"); circle.attr("stroke", "#00ffff");
- 74. Dev tools
- 77. Can I use it?
- 84. HTML5 - The beauty of the Open Web
- 85. Robert Nyman robertnyman.com/speaking/ robnyman@mozilla.com robertnyman.com/html5/ Twitter: @robertnyman robertnyman.com/css3/