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 internet developer with earlier JavaScript and DOM scripting adventure, Accelerated DOM Scripting with Ajax, APIs, and Libraries is ideal that you can take your wisdom to the subsequent level.

This publication is set JavaScript and utilizing the rfile item model—the conduit to the HTML rfile. This publication isn't really approximately studying tips on how to software JavaScript from scratch. It starts off with the belief that you've got performed a few JavaScript improvement ahead of and comprehend the JavaScript syntax. This publication builds on that wisdom to provide you a deeper realizing of DOM scripting and the way to use that on your initiatives. It makes use of this new knowing to explain what JavaScript libraries are and express you ways they are often utilized on your undertaking. The booklet also will clarify Ajax and the way most sensible to devise and use it on your initiatives. It explains how one can construct basic animation items for including move to parts at the web page. There are elementary examples that display the thoughts used through the book.

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

By analyzing this ebook, you will have a better figuring out of the way JavaScript works and be ready to use complex suggestions similar to closures and occasion delegation to construct extra versatile purposes for the net. 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 capable of enforce Ajax successfully into your web site, 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 smooth scripting, and the way to take advantage of them jointly successfully
* Object-oriented programming options for extra effective JavaScript coding
* easy methods to use JavaScript libraries reminiscent of Prototype on your paintings
* the way to construct potent shape validation into your purposes utilizing Ajax
* the way to create mashups utilizing APIs
* tips to construct dynamic consumer interfaces
<h3>Who this publication is for</h3>
This e-book is for newbie to intermediate builders, and have already got wisdom of HTML, CSS, and JavaScript.
<h3>Table of Contents</h3><ol> * The nation 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 support procedure
</ol>

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

Example text

NextSibling/previousSibling: Retrieves the next or previous node, respectively. firstChild/lastChild: Retrieves the first or last child node of the current element. Working Around Text Nodes The way browsers handle text nodes can make moving around the DOM a little complicated.

It might seem to make sense that the

has two childNodes; in IE, that’s exactly what you get. In all the other major browsers, however, it counts the whitespace between tags as a node. As a result, you’ll get five childNodes instead of just two.

Div> From a CSS perspective, you have no way to isolate styles to any one particular element. Obviously, it doesn’t work.

Look at that—the code now has meaning, doesn’t it? It does, but it’s terribly inefficient. You haven’t taken advantage of the innate power of HTML.

You accomplished two goals by using semantic HTML: • You added meaning to the document that the browser understands. From an accessibility point of view, it also makes the document easier to understand for people who use screen readers or might have the styles disabled.

Semantic HTML Semantic HTML is an important and crucial point that often gets lost in the idea of creating valid HTML. Using semantic HTML means using elements that are appropriate for the content that it contains. This is important for a few reasons. For one, those who use assistive technologies such as screen readers will have an easier time navigating your page and will also get a more natural read. Without the additional elements, the page would blur into one large block of text. Semantic HTML also gives users more control over the page.

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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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