Transcendent Design with CSS & JavaScript (Web Directions North '07)

CSS + DOM = Magic Transcendent Design with CSS & JavaScript ANDY CLARKE AARON GUSTAFSON WEB DIRECTIONS NORTH 2007, VANCOUVER, CANADA Copyright. All Rights Reserved. All works are copyright of their original owners and all copyrights, trademarks and ownerships recognized. This presentation is for educational purposes only Transcendent Design with CSS & JavaScript

CSS + DOM = Magic Photo by Patrick Lauke Photo by Cindy Li Clarke Gustafson Transcendent Design with CSS & JavaScript

CSS + DOM = Magic Transcendent Design with CSS & JavaScript

“ Art is design  without  compromise “ Jeffrey Veen Transcendent Design with CSS & JavaScript

Environment;  The inflexibility of the 2d screen, Materials;  The limitations of markup and CSS, Medium; Poorer CSS support in older browsers Ourselves;  Unlearning that we have learned from past experience Transcendent Design with CSS & JavaScript

Transcendent Design with CSS & JavaScript

“ We've arrived at a situation where  beautiful sites with beautiful code are  being produced by the hundreds; every  month, every week, every day. It's no  longer a myth that you can produce a  stunning site with Web Standards. “ Cameron Adams Transcendent Design with CSS & JavaScript

Meaningful markup Semantics means “meaning” Markup as meaningful to content The content‐out approach Aids accessibility & SEO Valid is not always meaningful Transcendent Design with CSS & JavaScript

DOM visualision <html> <body> <div> <ul> <dl> <p> <h1> <dt> <dd> <li> <q> <img> <p> <em> <h4> <p> Transcendent Design with CSS & JavaScript

DOM visualision <html> <body> <div#branding> <div#content> <div#siteinfo> <h4> <h5#tagline> <div#content_main> <p> <ul> <p> <img> <h4> <p> <p> <li> Transcendent Design with CSS & JavaScript

DOM visualision <p>This is a paragraph that contains an <a href= "#" title="">anchor</a>.</p> <p> This is a paragraph  <a> .(period) that contains an   href title anchor Transcendent Design with CSS & JavaScript

“ Simply replacing table cells with div  elements will not help you gain the full  benefits of using web standards or CSS.  Unless you have carefully considered the  meaning of each division, div elements  are little better than using tables. “ Transcendent Design with CSS & JavaScript

<ul> </li> <li> Green </li> <li> Purple </li> <li> Red </li> <li> Blue </li> <li> Black </ul> Transcendent Design with CSS & JavaScript

<ol> </a> </li> <li> <a> 2784 </a> </li> <li> <a> 3243 </a> </li> <li> <a> 1992 </a> </li> <li> <a> 2011 </a> </li> <li> <a> 2205 </ol> Transcendent Design with CSS & JavaScript

<table> </th> <tr> <th> Taxi number </th> <th> Driver name </th> <th> License plate </th> <th> </tr> Rank order </td> <tr> <td> 8K33 </td> <td> Aaron </td> <td> 666 DOM </td> <td> </tr> 1 </table> Transcendent Design with CSS & JavaScript

<h1> <li id="p89"> <p> <h2> <ul> <li> <h3> <a> <img> <p> <li id="p65"> Transcendent Design with CSS & JavaScript

CSS positioning “Mastering positioning with its enormous  potential for layout flexibility and robust  behavior will be one of the most rewarding  challenges you can take on when learning CSS.” Transcendent Design with CSS & JavaScript

CSS and JavaScript CSS JavaScript a var a = document.getElementsByTagName('a'); #content var container = document.getElementById ('content'); #extras p var paras = document.getElementById ('extras').getElementsByTagName('p'); Transcendent Design with CSS & JavaScript

Attribute selectors “Style an element either based on  whether an element has an  attribute name such as href or  based on the attribute value.” Transcendent Design with CSS & JavaScript

Accessing attributes You can get attribute values var a = document.getElementById ( 'content' ).getElementsByTagName( 'a' )[0] var href = a.getAttribute( 'href' ); or set them a.setAttribute( 'title', 'I added this with the DOM' ); Transcendent Design with CSS & JavaScript

Creating content var ul = document.createElement( 'ul' ); var li = document.createElement( 'li' ); var i = 1; while( i < 4 ){   var temp = li.cloneNode( true );   temp.appendChild( document.createTextNode(  'this is LI number '+i ) );   ul.appendChild( temp );   i++; } document.getElementsByTagName( 'body' )[0].appendChild( ul ); Transcendent Design with CSS & JavaScript

CSS3 Multi‐column Module Transcendent Design with CSS & JavaScript

CSS3 Multi‐column Module column‐count column‐width column‐gap column‐rule ‐moz‐column‐count ‐moz‐column‐width ‐moz‐column‐gap ‐moz‐column‐rule Transcendent Design with CSS & JavaScript

CSS3 Multi‐column Module #content_main ul { column‐width : 18em; column‐gap : 25px;  column‐rule : thin solid black; ‐moz‐column‐width : 18em; ‐moz‐column‐gap : 25px;  ‐moz‐column‐rule : thin solid black; } Transcendent Design with CSS & JavaScript

CSS3 Multi‐column Module “As proposed by Andy Clarke in his blog [1], the 'column‐ rule‐image' property has been added to the spec. In the  blog, the examples are: body { column‐rule‐image : url(rule.png); } body { column‐rule‐image : url(rule.png) repeat‐x 0 0; }” Håkon Wium Lie. CTO Opera Software Transcendent Design with CSS & JavaScript

CSS3 Multi‐column  Module demo Transcendent Design with CSS & JavaScript

Zebra striping Transcendent Design with CSS & JavaScript

Zebra striping <tbody> <tr> <td>bicarbonate of soda</td> </tr> <tr> <td>cream of tartar</td> </tr> </tbody> Transcendent Design with CSS & JavaScript

Zebra striping <tbody> <tr class="odd"> <td>bicarbonate of soda</td> </tr> <tr class="even"> <td>cream of tartar</td> </tr> </tbody> Transcendent Design with CSS & JavaScript

Zebra striping tr:nth‐child(odd) {  background‐color : #fff; } tr:nth‐child(even) {  background‐color : #ebebeb; } Transcendent Design with CSS & JavaScript

Zebra striping Count up the number of rows in increments of 10  (10, 20, 30 etc.) and target the rows that come  immediately before (‐1), so enabling you to style the  9th, 19th, 29th, etc. rows.  tr:nth‐child(10n‐1)  {  background‐color : #ebebeb; } Transcendent Design with CSS & JavaScript

CSS3 Advanced Layout Module Transcendent Design with CSS & JavaScript

CSS3 Advanced Layout Module Slot letter identifies the slot within the grid for any  content that will be positioned within it @ (at symbol) A default slot into which content that  has not been situated can flow. . (period) A white‐space slot that can have no  content inserted into it. Transcendent Design with CSS & JavaScript

CSS3 Advanced Layout Module div#biscotti { position : a; } div#wafles { position : b; } div#muffins { position : c; } div#jelly { position : d; } div#bread { position : e; } div#icecream { position : f; } Transcendent Design with CSS & JavaScript

<div id="biscotti"> <div id="waffles"> <div id="muffins"> <div id="jelly"> <div id="bread"> <div id="icecream"> Transcendent Design with CSS & JavaScript

<div id="biscotti"> <div id="waffles"> <div id="muffins"> position : a; position : b; position : c; <div id="jelly"> <div id="bread"> <div id="icecream"> position : d; position : e; position : f; Transcendent Design with CSS & JavaScript

1 2 3 4 1 1 2 1 2 3 1 2 3 Transcendent Design with CSS & JavaScript

CSS3 Advanced Layout  Module demo Transcendent Design with CSS & JavaScript

Working with libraries Prototype (prototypejs.org) YUI (developer.yahoo.com/yui ) Moo.fx (moofx.mad4milk.net) Mochikit (mochikit.com) Dojo (dojotoolkit.org) Scriptaculous (script.aculo.us) jQuery (jquery.com) Rico (openrico.org) Lowpro (ujs4rails.com) Transcendent Design with CSS & JavaScript

Working with libraries Some give JS the feel of another language Prototype, Scriptaculous & Lowpro ‐ Ruby Mochikit – Python YUI – Java Transcendent Design with CSS & JavaScript

Working with libraries Why do we use them? They make our lives easier. The key there is easier. Which one is best? How do I get started? Transcendent Design with CSS & JavaScript

Dean Edwards’ IE7 Scripts “ Dean Edwards’ IE7 Scripts allow you to  use CSS2 and even some CSS3 selectors  in your stylesheets and transforms legacy  versions of Internet Explorer into a shiny  new browser.  “ Transcendent Design with CSS & JavaScript

Dean Edwards’ IE7 Scripts Child selectors :nth‐child pseudo‐classes Adjacent sibling selectors :before :after  Attribute value selectors :hover, :active, :focus all elements :first‐child PNG alpha‐transparency  :last‐child :only‐child  Transcendent Design with CSS & JavaScript

Dean Edwards’ IE7 Scripts <!‐‐[if lte IE 6]> <script src="ie7‐standard‐p.js"  type="text/javascript"> </script> <![endif]‐‐>  Transcendent Design with CSS & JavaScript

One more thing Transcendent Design with CSS & JavaScript

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Transcendent Design with CSS & JavaScript (Web Directions North '07)

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Transcendent Design with CSS & JavaScript (Web Directions North ’07) — Presentation Transcript