Hack U - YUI - 2012 IIT Kharagpur
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Hack U - YUI - 2012 IIT Kharagpur

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YUI ppt presented in IIT Kharagpur in Hack U 2012

YUI ppt presented in IIT Kharagpur in Hack U 2012

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Transcript

  • 1. Hack! with! YUI Sumana HFrontend Engineer, UDA
  • 2. “The browser is the most futile deployment environment…” - Douglas Crockford
  • 3. Don’t reinvent the wheelUse tools which are already available
  • 4. A comprehensive suite of tools to help you code like a pro!! http://yuilibrary.com/
  • 5. •  YUI Library is a set of utilities and controls, written with JS and CSS , for building rich interactive web applications.•  Free for all users•  Scalable, Fast and Robust•  Most popular, best documented, more examples.
  • 6. YUI Library•  Low level DOM utilities to high level user Interface widgets•  Core – Global Object, Node, Events•  Utilities – Animation, drag Drop, get Utility – to get js/css dynamically.•  Widgets – Autocomplete, calendar, carousel, Overlay…•  CSS http://yuilibrary.com/yui/docs/guides/
  • 7. Global Object<script src="http://yui.yahooapis.com/3.4.1/build/yui/yui-min.js"></script><div id="demo">Click me</div><script>// Create a new YUI sandbox and load the "node" module.YUI().use(node,datatable, function (Y) {var demo = Y.one(#demo); demo.on(click, function (e) { demo.set(text, You clicked me!); });});</script>
  • 8. NodeGetting a Node<div id="main" class="mainclass"/> // Use Y.one( [css selector string] ) var node = Y.one(#main); var node = Y.one(.mainclass); // Or pass an HTML element var bodyNode = Y.one(document.body);
  • 9. Creating Nodes and Modifying Content // Create a new Node var item = Y.Node.create(<li id="step3"class="highlight"><em>Profit</em></li>); // Replace the content in a Node Y.one("#hello").setContent("<h1>Hello, <em>World</em>!</h1>"); // Append new markup inside a Node bodyNode.append("<p>This is the end, beautiful friend,the end.</p>");
  • 10. Nodelistvar doneTasks = Y.all(#tasklist .completed);// NodeLists host most Node methods for simple iterativeoperationsdoneTasks.removeClass(highlight);// or call each() to do more work on each NodedoneTasks.each(function (taskNode) { taskNode.transition({ opacity: 0 }, function () { completedTasklist.appendChild(this); });});
  • 11. EventYUI().use(event, function (Y) { // Step 1. Capture a button node var button = Y.one("#readygo"); // Step 2. Subscribe to its click event with a callback function button.on("click", function (e) { // Step 3. do stuff when the button is clicked });});
  • 12. Examples- Factorial example- Widget - Carousel- YQL in YUIGallery – http://github.com/yahoo
  • 13. CSS - <link rel="stylesheet" type="text/css" href="http://yui.yahooapis.com/ gallery-2010.10.20-19-33/build/gallery- carousel/assets/skins/sam/gallery- carousel.css"/>
  • 14. THANK YOU