jQuery Cookbook - Cdn.oreilly.com - O'Reilly

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This is largely what makes something like a cookbook so interesting: it takes the cool things that developers have done, and have learned, in their day-to-day coding and distills it to bite-sized chunks for later consumption. Personally, I find a cookbook to be one of the best ways to challenge my preconceived notions of a language or library. I love seeing cases where an API that I thought I knew well is turned around and used in new and interesting ways. I hope this book is able to serve you well, teaching you new and interesting ways to use jQuery. xii | Foreword —John Resig Creator, Lead Developer, jQuery
Chapter Authors Contributors Jonathan Sharp has been passionate about the Internet and web development since 1996. Over the years that have followed, he has worked for startups and for Fortune 500 corporations. Jonathan founded Out West Media, LLC, in greater Omaha, Nebraska, and provides frontend engineering and architecture services with a focus on custom XHTML, CSS, and jQuery development. Jonathan is a jQuery core team member and an author and presenter when not coding. Jonathan is most grateful for his wife, Erin; daughter, Noel; two dogs, and two horses. Rob Burns develops interactive web applications at A Mountain Top, LLC. For the past 12 years he has been exploring website development using a wide range of tools and technologies. In his spare time, he enjoys natural-language processing and the wealth of opportunity in open source software projects. Rebecca Murphey is an independent frontend architecture consultant, crafting custom frontend solutions that serve as the glue between server and browser. She also provides training in frontend development, with an emphasis on the jQuery library. She lives with her partner, two dogs, and two cats in Durham, North Carolina. Ariel Flesler is a web developer and a video game programmer. He’s been contributing to jQuery since January 2007 and joined the core team in May 2008. He is 23 years old and was born in Buenos Aires, Argentina. He’s studying at the National Technological University (Argentina) and is hoping to become a systems analyst by 2010 and a systems engineer by 2012. He started working as an ASP.NET(C#) programmer and then switched to client-side development of XHTML sites and Ajax applications. He’s currently working at QB9 where he develops AS3-based casual games and MMOs. Cody Lindley is a Christian, husband, son, father, brother, outdoor enthusiast, and professional client-side engineer. Since 1997 he has been passionate about HTML, CSS, JavaScript, Flash, interaction design, interface design, and HCI. He is most well known in the jQuery community for the creation of ThickBox, a modal/dialog solution. In 2008 he officially joined the jQuery team as an evangelist. His current focus has been xiii
Page 1 and 2: Solutions & Examples for jQuery Dev
Page 3: jQuery Cookbook
Page 6 and 7: jQuery Cookbook by jQuery Community
Page 8 and 9: 2.3 Selecting Elements by Index Ord
Page 10 and 11: 8.5 Passing Dynamic Data to Event H
Page 12 and 13: 16.5 Using HTML Fragments and jQuer
Page 16 and 17: on client-side optimization techniq
Page 18 and 19: Tech Editors Karl Swedberg, after h
Page 20 and 21: What You’ll Learn We’ll start o
Page 22 and 23: If none of this works, it’s possi
Page 24 and 25: 800-998-9938 (in the United States
Page 26 and 27: traversing and manipulation, browse
Page 28 and 29: • Using the jQuery wrapper and im
Page 30 and 31: The jQuery wrapper set A good major
Page 32 and 33: — Attr — Class — HTML — Tex
Page 34 and 35: alert('jQuery ' + jQuery.fn.jquery)
Page 36 and 37: alert(jQuery('p').text()); }); T
Page 38 and 39: You should be aware that the first
Page 40 and 41: "4 inputs" alert('selected' + jQuer
Page 42 and 43: 1.6 Finding Descendant Elements Wit
Page 44 and 45: .end().end().length); //alerts 3
Page 46 and 47: Now, let’s select the second ele
Page 48 and 49: jQuery('jQuery').find('a').attr('hr
Page 50 and 51: • While the elements selected are
Page 52 and 53: Discussion The cloning method is ac
Page 54 and 55: method by passing the method the at
Page 56 and 57: jQuery('p').text('Hello World,
Page 59 and 60: 2.0 Introduction CHAPTER 2 Selectin
Page 61 and 62: It’s worth noting that combinator
Page 63 and 64: all siblings that follow, not just
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Discussion As mentioned, an element
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2.6 Selecting Elements by What They
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The preceding selector would select
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These filters can also be used with
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Solution As well as passing a selec
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The purpose of the selector would b
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alert(urls.join(",")); We were able
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Even though this may be the most ob
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Figure 3-2. Code output As you can
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Chapter 3 - Recipe 3 - Converting a
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Figure 3-4. Code output 3.4 Getting
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Discussion The core method index()
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Figure 3-6. Code output In the prec
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ligula. Aenean mattis pulvinar est
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Solution Let’s say you inherit a
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If you use this technique, you will
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available on the Web. jQuery hosts
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Discussion In the preceding example
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.click(function() { // Special clic
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}); })(jQuery); 4.3 Filtering Array
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Discussion In this example, we have
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}); }); })(jQuery); Discussion Upon
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Discussion In this recipe, we use t
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Solution The if/else statement and
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var foo = new Foo( 'bar' ); foo.ale
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} $('#province').toggle( value == '
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Did jQuery invent chaining? No. jQu
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Whether the idea comes from elsewhe
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}; return object; That could also b
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null or undefined, remove the attri
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The +new Date in this code is just
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(function() { var log = [], index =
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The page also contains a large numb
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you could use this: $('.clientX') /
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And you have this HTML code in your
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when you discover the slow parts, y
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A Warning About for..in Loops Never
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Other code here calls maxMagnitude
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matter, but in performance-critical
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console.log( $foo ); $foo.css({ fon
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Solution 1 You’re using the minif
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After the page loads, you are down
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5.19 Writing Unobtrusive JavaScript
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Documentation Tutorials We’ve
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Beware that you don’t make the us
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+ $(document).scrollLeft() }) .show
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Want to read more? You can find thi
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