Get Accelerated DOM Scripting with Ajax, APIs, and Libraries PDF

By Jonathan Snook, Stuart Langridge, Aaron Gustafson, Dan Webb

ISBN-10: 1590597648

ISBN-13: 9781590597644

If you're an online developer with earlier JavaScript and DOM scripting adventure, Accelerated DOM Scripting with Ajax, APIs, and Libraries is ideal so that you can take your wisdom to the following level.

This booklet is ready JavaScript and utilizing the rfile item model—the conduit to the HTML rfile. This e-book isn't approximately studying the best way to software JavaScript from scratch. It begins with the belief that you've got performed a few JavaScript improvement earlier than and comprehend the JavaScript syntax. This ebook builds on that wisdom to offer you a deeper realizing of DOM scripting and the way to use that on your tasks. It makes use of this new knowing to explain what JavaScript libraries are and convey you ways they are often utilized for your venture. The ebook also will clarify Ajax and the way most sensible to plot and use it on your initiatives. It explains tips on how to construct easy animation items for including circulate to components at the web page. There are easy examples that exhibit the ideas used during the book.

JavaScript has noticeable a resurgence in recognition over the last few years, and with it has come an exploration of the facility of the language in addition to what it may do in the browser. This e-book will clarify strategies new and old—such as closures, encapsulation, and inheritance—that many are utilizing and the way you could top follow them in your personal projects.

By studying this ebook, you will have a better figuring out of ways JavaScript works and manage to use complicated suggestions similar to closures and occasion delegation to construct extra versatile functions for the internet. You'll stroll away with a better appreciation for JavaScript libraries and the way they could simplify and accelerate your improvement. You'll even be in a position to enforce Ajax successfully into your website, create lighting tricks, use JavaScript libraries, and know the way most sensible to use those libraries for your projects.
<h3>What you’ll learn</h3> * the place CSS, HTML, and the DOM healthy into glossy scripting, and the way to exploit them jointly successfully
* Object-oriented programming options for extra effective JavaScript coding
* the right way to use JavaScript libraries resembling Prototype on your paintings
* tips to construct potent shape validation into your purposes utilizing Ajax
* how one can create mashups utilizing APIs
* easy methods to construct dynamic consumer interfaces
<h3>Who this booklet is for</h3>
This publication is for newbie to intermediate builders, and have already got wisdom of HTML, CSS, and JavaScript.
<h3>Table of Contents</h3><ol> * The country of JavaScript
* HTML, CSS, and JavaScript
* Object-Oriented Programming
* Libraries
* Ajax and information trade
* visible results
* shape Validation and JavaScript
* Case research: FAQ Facelift
* A Dynamic aid procedure

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Extra resources for Accelerated DOM Scripting with Ajax, APIs, and Libraries

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This helpful Firefox extension displays request and response info for all HTTP requests, which can be handy for not only Ajax calls (such as the one seen in Figure 1-7) but also monitoring page requests (including form data), redirects, and even server calls from Flash. It also enables you to replay specific requests. Before replaying data, you can even modify the headers that are being sent to test various scenarios. Figure 1-7. qxd 12 9/6/07 8:52 PM Page 12 CHAPTER 1 ■ THE STATE OF JAVASCRIPT Firebug reveals more response information, so you might have to bounce between it and Live HTTP Headers to get a better picture of what’s going on.

This also becomes more relevant when using DOM scripting. Searching for something called error makes more sense than looking for something called boldRed. qxd 16 9/6/07 7:55 PM Page 16 CHAPTER 2 ■ HTML, CSS, AND JAVASCRIPT HTML Best Practices Although I certainly don’t preach the following as gospel, I want to cover some of my personal practices and explain the reasons behind them before moving on. It’s always important to understand why certain decisions are made, even if they seem to go against the popular trend.

The expression can be broken down into different types of tasks. First, there’s the character match itself. It might be an A or a Q or the number 8. Most often, it’s a type of character or a range of characters that you’re looking for. A range can be defined using square brackets with a hyphen indicating the range: /[a-zA-Z]/ To match against any character but those in the range, just precede the range with the caret (^) character. /[^a-zA-Z]/ You can use \w to match any letters or numbers including the underscore (\w means “word characters”), which would be the same as [a-zA-Z0-9_].

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Accelerated DOM Scripting with Ajax, APIs, and Libraries by Jonathan Snook, Stuart Langridge, Aaron Gustafson, Dan Webb

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