HTML5 The Missing Part

TOSSUG HTML5 Meetup

Transcript

1. HTML5 The Missing Part othree
2. Outline • Semantic Web • HTML5 ᅺᜀၾ᙮׌ • Web Forms 2.0
3. Semantic Web • Tim Bernes Lee ͦۃ˴ɢપਗͦᅺ
4. What is Semantic Web • ၣ༩ɪٙ༟ࣘேϞཥ໘̙˸ଣ༆ٙจ່ᅺা
5. So • ซ྅Ϟɓ˂Ό௅ٙ༟̙ࣘ˸ஹഐৎԸ
7. How ? • XML for data • (X)HTML for web content
8. (X)HTML Standards • HTML 4.01: Still using today • XHTML 1: Bridge between HTML and XML • XHTML 1.1: Preparing for Semantic Web • XHTML 2.0 (ᄻ૝)
9. XHTML 2.0 • ढϖԞٙᅺ๟ • ˄ᘌࣸdʔΣɨ޴࢙ • ex: no <h1> ~ <h6>, <br>
10. ɓϣՑЗ݊Ϟᗭܓٙ
11. How ? • ͍ᆽٙԴ͜ᅺᜀ • <table> for ڌࣸ༟ࣘ not રو • <p> for ݬໝ • <h1> ~ <h6> for ᅺᕚ not ɽο᜗ • <blockquote> for ˏԊ not ᐵર • ʔԴ͜ <b>, <i>, <u>, <big>, <small>
12. http://www.certifiedchinesetranslation.com/openaccess/rdfa-primer.html
13. 2nd Step • Դ͜ RDFa, Microformats ... etc
14. HTML <div> Ң݊ Bob Smithd ʔཀ؃ʾே̣Ң Smithyf ˸ɨ݊Ңٙ࠯ࠫၣѧj <a href="http://www.example.com">www.example.com</a>. ҢИί Albuquerque (NM)dͦۃ؂ਕ׵ACME Corp.d ዄ΂ʈ೻ࢪɓᔖf </div> http://www.google.com/support/webmasters/bin/topic.py?topic=21997
15. vCard BEGIN:VCARD VERSION:3.0 N:Bob Smith FN:Bob Smith NICKNAME:Smithy URL: http://www.example.com TITLE:ʈ೻ࢪ ORG:ACME Corp ADR;TYPE=work:;;;Albuquerque;NM;; END:VCARD http://www.google.com/support/webmasters/bin/topic.py?topic=21997
16. RDFa <div xmlns:v="http://rdf.data-vocabulary.org/#" typeof="v:Person"> Ң݊ <span property="v:name">Bob Smith</span>d ʔཀ؃ʾே̣Ң <span property="v:nickname">Smithy</span>f ˸ɨ݊Ңٙ࠯ࠫၣѧj <a href="http://www.example.com" rel="v:url">www.example.com</a>. ҢИί Albuquerque (NM)dͦۃ؂ਕ׵ <span property="v:affiliation">ACME Corp</span>.d ዄ΂<span property="v:title">ʈ೻ࢪ</span>ɓᔖf </div> http://www.google.com/support/webmasters/bin/topic.py?topic=21997
17. Microformats <div class="vcard"> Ң݊ <span class="fn">Bob Smith</span>d ʔཀ؃ʾே̣Ң <span class="nickname">Smithy</span>f ˸ɨ݊Ңٙ࠯ࠫၣѧj <a href="http://www.example.com" class="url">www.example.com</a>. ҢИί Albuquerque (NM)dͦۃ؂ਕ׵ <span class="org">ACME Corp</span>.d ዄ΂<span class="title">ʈ೻ࢪ</span>ɓᔖf </div> http://www.google.com/support/webmasters/bin/topic.py?topic=21997
18. Microformats hCalendar hCard rel-license rel-nofollow rel-tag XFN XOXO ...
19. Benefits • ፋձɢ (Accessibility) • SEO • ୋɧ˙Ꮠ͜ • ଗ
20. HTML Standards • HTML 4.01: Still using today • XHTML 1: Bridge between HTML and XML • XHTML 1.1: Preparing for Semantic Web • XHTML 2.0 (ᄻ૝) • (X)HTML5 by WHATWG
21. HTML5 New Elements
22. New Structure Elements <header> <footer> <nav> <aside> <article> <hgroup> <section>
23. A Web Page <div id=”header”></div> <div id=”footer”></div> <ul id=”navigator”></ul> <div id=”content”></div> <div id=”sidebar”> </div>
24. A Web Page in HTML5 <header></header> <footer></footer> <nav></nav> <div id=”content”></div> <aside> </aside>
25. Structure Elements • <header> ࠫ࠯༟ৃjᅺᕚeЪ٫ • <footer> ࠫ҈༟ৃjഹЪᛆ • <aside> ޴ᗫ༟ৃ • <nav> ኬᚎ
26. Weblog Index <div class=”entry”></div> <div class=”entry”></div> <div class=”entry”></div>
27. Weblog Index <article></article> <article></article> <article></article>
28. <article> • ௅ໝࣸ˖௝ • ஞ܄वԊ • ীሞਜ˖௝ • జ௝ᕏႦ˖௝ • ...etc
29. An Article <h1></h1> <p></p> <h2></h2> <p></p> <h2></h2> <p></p>
30. <section> </section> An Article <h1></h1> <p></p> <h2></h2> <p></p> <h2></h2> <p></p>
31. <hgroup> <hgroup> <h1>My Weblog</h1> <h2 class="tagline">A lot of effort went into making this effortless.</h2> </hgroup> <div class="entry"> <h2>Travel day</h2> </div> <div class="entry"> <h2>I'm going to Prague!</h2> </div> http://diveintohtml5.org/semantics.html
32. Outline • My Weblog • Travel day • I'm going to Prague! http://diveintohtml5.org/semantics.html
33. Site Title and Article Title <h1>My Weblog</h1> <h2 class="tagline">A lot of effort went into making this effortless.</h2> <div class="entry"> <h2>Travel day</h2> </div> <div class="entry"> <h2>I'm going to Prague!</h2> </div> http://diveintohtml5.org/semantics.html
34. Outline • My Weblog • A lot of effort went into making this effortless • Travel day • I'm going to Prague! http://diveintohtml5.org/semantics.html
35. Mixin • Is <article> in <article> valid ? • Is <article> in <section> valid ? • How about <header> in <article> ?
36. Yes <article> <header> <h1>The Very First Rule of Life</h1> <p><time pubdate datetime="2009-10-09T14:28-08:00"></time></p> </header> <p>If there's a microphone anywhere near you, assume it's hot and sending whatever you're saying to the world. Seriously.</p> <p>...</p> <section> <h1>Comments</h1> <article> <footer> <p>Posted by: George Washington</p> <p><time pubdate datetime="2009-10-10T19:10-08:00"></time></p> </footer> <p>Yeah! Especially when talking about your lobbyist friends!</p> </article> </section> </article> http://dev.w3.org/html5/spec/sections.html#the-article-element
37. <article> </article> <header> </header> <p>Centent</p> <section> </section> <h1>Title</h1> <p><time pubdate></p> <h1>Comments</h1> <article> </article> <footer> </footer> <p></p> <p>Posted by</p> <p><time pubdate></p>
38. New Elements <figure> <figcaption>
39. for http://html5doctor.com/the-figure-figcaption-elements/
40. Actually for • Everything • image • code • blockquote • video • ...etc
41. Examples <figure> <img src="bubbles-work.jpeg" alt="Bubbles, sitting in his office chair, works on his latest project intently."> <figcaption>Bubbles at work</figcaption> </figure> http://dev.w3.org/html5/spec/grouping-content.html#the-figure-element
42. Examples <figure> <p>'Twas brillig, and the slithy toves<br> Did gyre and gimble in the wabe;<br> All mimsy were the borogoves,<br> And the mome raths outgrabe.</p> <figcaption><cite>Jabberwocky</cite> (first verse). Lewis Carroll, 1832-98</figcaption> </figure> http://dev.w3.org/html5/spec/grouping-content.html#the-figure-element
43. And... <audio> <video> <canvas> <embed>
44. <dialog> • dropped !
45. New Inline Elements <b>, <i>, <small> <ruby>, <rt>, <rp> <mark> <time> <a>
46. b, i, small redefine • <b> for typographic presentation is boldened • <i> for alternate voice or mood • <small> for small print
47. <ruby> not on Rails
48. ဏο 㗋㘓 㗘
49. Ruby Markup <ruby> ဏ <rt> 㗋㘓 </rt> ο <rt> 㗘c </rt> </ruby> http://dev.w3.org/html5/spec/text-level-semantics.html#the-ruby-element
50. <rp> <ruby> ဏ <rp>(</rp><rt>㗋㘓</rt><rp>)</rp> ο <rp>(</rp><rt>㗘</rt><rp>)</rp> </ruby> ဏ (㗋㘓) ο (㗘) http://dev.w3.org/html5/spec/text-level-semantics.html#the-rp-element
51. <mark> ೥ࠠᓃ
52. mark usage • ˏԊࠠᓃ • ೻όᇁࠠᓃ • ฤరഐ؈ᗫᒟο highlight • ...etc
53. Example <p lang="en-US">Consider the following quote:</p> <blockquote lang="en-GB"> <p>Look around and you will find, no-one's really <mark>colour</mark> blind.</p> </blockquote> <p lang="en-US">As we can tell from the <em>spelling</em> of the word, the person writing this quote is clearly not American.</p> http://dev.w3.org/html5/spec/text-level-semantics.html#the-mark-element
54. <time> ˚ಂࣛග
55. Example <time datetime="2006-09-23">a Saturday</time> <time pubdate datetime="2009-08-30">today</time> http://dev.w3.org/html5/spec/text-level-semantics.html#the-time-element
56. Annoying pubdate • without pubdate : just a time • with pubdate : page publish time • with pubdate and inside an <article> : article’s publish time
57. <a> • block level link howto ? • XHTML 2 : • href is global level attribute • HTML5 ?
58. Block Level Link in HTML5 <a href="http://blog.othree.net"> <p>I'm block. But I always try to be a link too.</p> <p>me too.</p> </a> a { display: block; }
59. Content Models http://dev.w3.org/html5/spec/content-models.html#flow-content
60. Microdata
61. Remember Microformats ? <div class="vcard"> Ң݊ <span class="fn">Bob Smith</span>d ʔཀ؃ʾே̣Ң <span class="nickname">Smithy</span>f ˸ɨ݊Ңٙ࠯ࠫၣѧj <a href="http://www.example.com" class="url">www.example.com</a>. ҢИί Albuquerque (NM)dͦۃ؂ਕ׵ <span class="org">ACME Corp</span>.d ዄ΂<span class="title">ʈ೻ࢪ</span>ɓᔖf </div> http://www.google.com/support/webmasters/bin/topic.py?topic=21997
62. Microdata <div itemscope itemtype="http://data-vocabulary.org/Person"> Ң݊ <span itemprop="name">Bob Smith</span> ʔཀ؃ʾே̣Ң <span itemprop="nickname">Smithy</span>. ˸ɨ݊Ңٙ࠯ࠫၣѧj <a href="http://www.example.com" itemprop="url">www.example.com</a> ҢИί Albuquerque (NM)dዄ΂ <span itemprop="title">ʈ೻ࢪ</span> ɓᔖ ͦۃ؂ਕ׵ <span itemprop="affiliation">ACME Corp</span>f </div> http://www.google.com/support/webmasters/bin/topic.py?topic=21997
63. attributes • itemscope : ༟ࣘᇍఖ • itemtype : ༟ࣘᗳй • itemprop : ༟ࣘ᙮׌
64. APIs • document . getItems( [ types ] ) • element . properties • element . itemValue [ = value ] http://www.w3.org/TR/2010/WD-microdata-20100624/#microdata-dom-api
65. No Browser Supports Now
66. Web Forms 2.0
67. Where is 1.0 ?
68. http://www.w3.org/TR/html401/ HTML 4.01 Spec
69. What’s New • New Input Types • New Attributes • Form Validation
70. New Input Types url email tel number range color date
71. <input type="datetime" /> <input type="number" min="99" max="101"/> <input type="email" placeholder="foo@bar.com" />
72. DEMO http://miketaylr.com/pres/html5/forms2.html
73. And One More Type search
74. New Form Elements <output> <datalist>
75. <output> <form> <input name=a type=number step=any> + <input name=b type=number step=any> = <output onforminput="value = a.valueAsNumber + b.valueAsNumber"></output> </form> http://dev.w3.org/html5/spec/the-button-element.html#the-output-element
76. <datalist> <input type="search" autofocus list="search-suggestions"/> <datalist id="search-suggestions"> <option label="DM" value="Depeche Mode"> <option label="Moz" value="Morrissey"> <option label="NO" value="New Order"> <option label="TC" value="The Cure"> </datalist> http://miketaylr.com/pres/html5/forms2.html
77. New Attributes • autofocus: auto focus • autocomplete: browser’s auto complete • placeholder: short hint • multiple for [type=file]: upload multiple file
78. Validation • support new input types • pattern attribute for <input> • novalidate attribute for <form>
79. Opera Supports http://www.opera.com/docs/specs/presto26/
80. <datagrid> • dropped !
81. Q&A