jQuery

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    jQuery - Presentation Transcript

    1. jQuery ExtJS … And GWT
    2. jQuery
      • Nice selectors (that you can change and customize if necessary to work with other libraries link )
            • $(“div”) gets a type of element
            • $(“.myClass”) gets an element by class name
            • $(“#myId”) gets an element by id
            • $(“#tabs > ul”) refers to the direct children of an element with id tabs
            • $(“input[Type=text]”) attribute selectors
            • There is also position selectors such as :first :odd :even, etc
      • browser compatible
      • Unobtrusive by design
      • Chaining $(“p.help”).hide().addClass(“p.more”)
      • Great documentation (thou sometimes down so get the offline Api )
      • Incredibly small (15k m & Gz) and available through Ajax Libraries Google API
    3. Stuff that I use
      • Something not exclusive to jQuery but really interesting implementation of the observer pattern < code sample >
      • Pluggins
      • Ajax – Load XML or JSON (or anything really)easily
      $.ajax({ type: &quot;GET&quot;, url: &quot;test.js&quot;, dataType: &quot;script&quot; });
    4. jQuery Ajax
      • Thou you can also do
      • Some cool options: async, cache (for stupid ie), success, jsonp
      $.getJSON(“some_url”, function(json){…})
    5. Ui.jquery and Themeroller
      • ui.jQuery for Accordion, datepicker, Dialog, Slider and Tabs
      • Effects.jQuery – show, hide toggle and effect(..)
      • Check out Theme-Roller its cool but I cant find a use for it yet.
    6. Links
      • http://www.webdesignerwall.com/demo/jquery/ Some basic stuff ( check the item 9)
      • http://webplicity.net/flexigrid/ Grid
      • http://remysharp.com/2008/07/04/jquery-api-update-offline-and-anywhere/ jQuery Api
      • http://jquery.com/
    7. Ext JS Show some code

    + Andrea MagnorskyAndrea Magnorsky, 2 years ago

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