Beginning JavaScript with DOM Scripting and Ajax: From Novice to Professional (Beginning: From Novice to Professional) Review

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Beginning JavaScript with DOM Scripting and Ajax: From Novice to Professional (Beginning: From Novice to Professional) ReviewThis JavaScript tutorial is a bit different than most I've had the opportunity to review over the years... Beginning JavaScript with DOM Scripting and Ajax: From Novice to Professional by Christian Heilmann. It will probably play well to the serious developers who want to come at JavaScript from an object-oriented background...
Contents: Getting Started with JavaScript; Data and Decisions; From DHTML to DOM Scripting; HTML and JavaScript; Presentation and Behavior (CSS and Event Handling); Common Uses of JavaScript: Images and Windows; JavaScript and User Interaction: Navigation and Forms; Back-End Interaction with Ajax; Data Validation Techniques; Modern JavaScript Case Study: A Dynamic Gallery; Using Third-Party JavaScript; Debugging JavaScript; Index
Most JavaScript books that try and teach the language usually do the "Hello World" approach, have you put a date on the web page, etc. All OK stuff, but pretty common fare. Heilmann seems to treat JavaScript as a legitimate coding language, with plenty of power and features to allow you to code solutions based on current accepted techniques. For instance, he dives into DOM manipulation pretty early, so you end up seeing quite a bit of material using document.getElementsBy statements. In most JavaScript books, that's either relegated to the later chapters, or skipped altogether. Breaking up the learning by presentation and behavior also helps those who are more in tune with MVC-style design. JavaScript *can* be built in such a way that it's maintainable and segmented, and Heilmann does a very nice job in teaching that style. I also really liked the chapter on debugging, as that's one of those things that I find extremely frustrating about JavaScript. He presents some great options that top my normal "scan the code and see if anything looks wrong" method of finding JavaScript errors...
My only "quibble" with the book is that I don't think I'd recommend it for the pure novice. Perhaps a novice JavaScript developer with solid development skills in other areas... I think a pure novice to coding in general AND JavaScript in particular would quickly get lost here...
Definitely a good read if you have the basics down, and it will likely improve your JavaScript skills and coding techniques...Beginning JavaScript with DOM Scripting and Ajax: From Novice to Professional (Beginning: From Novice to Professional) OverviewJavaScript has been around for many years, so what makes this book different? Well, a lot of the competitors out there are large tomes; this book assumes a different approach, showing that you can give the reader all they need to know to hit the ground running, without making them trawl through hundreds of pages of syntax.The book also gives the most up-to-date picture of the topic-JavaScript support in the most modern web browsers, and adding unobtrusive JavaScript enhancements to web sites. This book promotes the most modern programming techniques and practices.Finally, the book provides an introduction to Ajax-style programming, which is an essential topic for modern web developers to understand. JavaScript is core to Ajax, so an understanding of it is essential when learning how to program Ajax functionality. This book therefore provides a great stepping stone for readers wishing to take this path.

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Head First JavaScript Review

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Head First JavaScript ReviewLet me begin by saying that Head First Javascript is a good book, at least compared to any other JS books I've seen. It isn't, however, a particularly good "Head First" book.
What I mean by this is that the other Head First books I've used (XHTML & CSS, SQL, and C#) have been highly interactive, easy to use, and really got the concepts into my head. I was amazed that, after just a few days with these books, I could actually build professional-looking web pages that were rigorously standards compliant; or create complex applications in C# quickly and easily; or navigate the intricacies of building and using SQL databases. The Head First method certainly seemed to work.
So when I heard the HF people were producing a JS book, I was overjoyed. Sadly, it's been a bit of a letdown. The book smacks strongly of rushed production, lacking many of the features that makes the HF series special. For example, in the C# book, the authors take the reader through application construction in a step-by-step manner, carefully explaining everything as they go. The effect is of a very knowledgeable teacher standing over your shoulder and guiding you while you code. The reader is actively involved in every exercise, building their code from scratch. There are copies of every piece of code available for download at Head First's website, but these are merely tools for checking the reader's work.
In the Javascript book, however, much of the interactivity is missing. The book reads like a walkthrough of the code samples, with most of the user participation taking the form of pencil and paper exercises. The reader could actually complete the book without switching on her PC. Even the code solutions on the HF website seem to be just tossed up there, with the page numbers each example refers to contained in a Read Me file (the book itself just contains a general instruction to grab the code from the website, without any indication of which code).
This all sounds pretty negative, and I must confess to being somewhat disappointed with the book. That said, it's still far superior to any other JS book I've tried. By the end of Head First Javascript, I did feel that the general scope of Javascript had sunk into my brain. I had a feeling for its overall structure and the ways in which it could be applied. I know that I can now tackle a more advanced JS book and absorb the concepts much more easily.
What I don't feel is ready to sit down and write Javascript. The whole experience with this book was just too fragmentary and too lopsidedly didactic. The experience was insufficiently hands-on to enable me to become comfortable with the nitty gritty of JS scripting. When I finished HF's C#, XHTML, and SQL books, I could sit down and churn out code, with only a few O'Reilly Pocket Guides beside me to refresh my memory on syntax and structure. That's not been the case with Javascript.
Head First Javascript just seems to lack the "stickiness" of the other titles in the series.Head First JavaScript Overview
So you're ready to make the leap from writing HTML and CSS web pages to creating dynamic web applications. You want to take your web skills to the next level. And you're finally ready to add "programmer" to the resume. It sounds like you're ready to learn the Web's hottest programming language: JavaScript. Head First JavaScript is your ticket to going beyond copying and pasting the code from someone else's web site, and writing your own interactive web pages. With Head First JavaScript, you learn:

The basics of programming, from variables to types to looping
How the web browser runs your code, and how you can talk to the browser with your code
Why you'll never have to worry about casting, overloading, or polymorphism when you're writing JavaScript code
How to use the Document Object Model to change your web pages without making your users click buttons
If you've ever read a Head First book, you know what to expect -- a visually rich format designed for the way your brain works. Head First JavaScript is no exception. It starts where HTML and CSS leave off, and takes you through your first program into more complex programming concepts -- like working directly with the web browser's object model and writing code that works on all modern browsers. Don't be intimidated if you've never written a line of code before! In typical Head First style, Head First JavaScript doesn't skip steps, and we're not interested in having you cut and paste code. You'll learn JavaScript, understand it, and have a blast along the way. So get ready... dynamic and exciting web pages are just pages away.

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JavaScript: The Definitive Guide Review

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JavaScript: The Definitive Guide ReviewThe previous edition of this book, 4th edition, remained at arm's length at all times at work and rescued me repeatedly from various day-to-day JavaScript challenges. It has become tattered from rigorous use. I always loved how the book was organized, with the first half as a walk through the entire gamut of JavaScript's workings -- tutorials, walk-thrus, code samples, cross-browser issues, and practical solutions -- and the second half of the book as a complete JavaScript language and DOM reference. That already very useful format has actually been improved upon. David has combined the DOM API reference and client-side JavaScript reference into a single alphabetized section. Now that I think about it, I did find myself flipping back and forth a lot in the previous edition, so this is a welcome improvement. Each object, property, and method contains a helpful "availability" of that item. This may be the standards spec it came from [DOM Level 2 HTML, ECMAScript v1], the JavaScript version in which it emerged [JavaScript 1.0], or a list of browser versions, if it is a proprietary feature. This is critical info to have at-a-glance - could perhaps save you 2 days of work implementing a non-standard, IE-specific JavaScript feature, when you could have been coding the standards-compliant equivalent. David has removed a lot of the deprecated, not-widely-adopted DOM interfaces that no longer apply to modern browsers. David has also moved focus away from some of the more oddball DOM interfaces that have been replaced by more sensible JavaScript objects that implement those interfaces, for example, window.getComputedStyle() rather than AbstractView.getComputedStyle(). In other words, David has removed all of the "stuff that still exists, but you no longer need to worry about". This makes for a more focused, less cluttered, "on topic", useful tome. I don't need to know about the 10 different methods that browser manufacturers fought over 7 years ago. Tell me what I need to know NOW to write practical, functioning, modern, cross-browser JavaScript. That's exactly what Mr. Flanagan has accomplished.
What else is new in the 5th edition?
1. Nested functions and closures.
2. A dedicated "Classes, Constructors, and Prototypes" chapter, with much more coverage on object-oriented programming in JavaScript.
3. A new chapter on Modules and Namespaces.
4. New chapter on scripting Java with JavaScript.
5. Coverage of the legacy (Level 0) DOM has been combined with the W3C standard DOM. More consolidation. Less flipping back and forth.
6. Cookies and Client-Side Persistence. Updated coverage on cookies, and brand new coverage of other client-side persistence techniques, like IE userData persistence, and Flash Shared Object Persistence.
7. AJAX - Coverage of scripted HTTP calls using the now famous XMLHttpRequest object.
8. XML - Demonstrates how to create, load, transform, query, serialize, and extract info from XML docs.
9. Client-Side Graphics - JavaScript's graphics capabilities. The cutting edge tag, SVG, VML, and communicating with the Flash plug-in.
10. Scripting Java Apps and Flash Movies - Another brand new chapter.
So, is the 5th edition worth the purchase? Absolutely. This book is a must-have for any web development library. I turn to it repeatedly. Here's an example.
Last week, I overheard a developer on my team proclaim to someone, "We can't do that. JavaScript can't control stuff in another frame." They went and informed my boss how monumental their task was becoming as they proposed a hacky, inelegant server-side workaround.
I managed to grab the one developer and said, "JavaScript certainly can talk across frames."
"Really?!", he asked, astonished. I opened "The Definitive Guide" to the part on cross-frame scripting and bookmarked it for them.
"Oh, wow! GREAT!", he exclaimed, "That completely solves our problem. Totally cool!" and zipped away book in hand. Hours later, they had it worked out, rather than days with the server-side solution.
I've seen some one-star, complaint-type reviews posted that this isn't a beginner book. Exactly right, but I'm confused as to how a quality rating [of 1 to 5 stars] equates, in any way, to skill level of the book, or its ability to meet someone's self-conceived personal notions of what the book is supposed to contain. There are some overview-type chapters that go over syntax, operators, scope, expressions, and the usual array of language basics, but these reviewers are correct in that this book is not a beginner's tutorial on JavaScript. It is a meat and potatoes, soup to nuts definitive guide and reference on all of the important and practical aspects of JavaScript programming. It is not a cookbook of cute-but-useless cut-n-paste recipes [although there are plenty of USEFUL code examples]. It is not the quick-and-dirty example of how to slap the hottest AJAX library into your site to attempt to make it behave like a Windows app. The chapter on AJAX shows you how to use the XML HTTP object directly, wrapped up in some nice reusable routines, so you can WRITE YOUR OWN AJAX-based features [which I prefer over using someone else's complicated, obfuscated framework].
Great job, again, David! If you develop websites in any capacity, you need this book. It should be on every developer's shelf.
JavaScript: The Definitive Guide Overview
This Fifth Edition is completely revised and expanded to cover JavaScript as it is used in today's Web 2.0 applications. This book is both an example-driven programmer's guide and a keep-on-your-desk reference, with new chapters that explain everything you need to know to get the most out of JavaScript, including:

Scripted HTTP and Ajax
XML processing
Client-side graphics using the canvas tag
Namespaces in JavaScript--essential when writing complex programs
Classes, closures, persistence, Flash, and JavaScript embedded in Java applications

Part I explains the core JavaScript language in detail. If you are new to JavaScript, it will teach you the language. If you are already a JavaScript programmer, Part I will sharpen your skills and deepen your understanding of the language.

Part II explains the scripting environment provided by web browsers, with a focus on DOM scripting with unobtrusive JavaScript. The broad and deep coverage of client-side JavaScript is illustrated with many sophisticated examples that demonstrate how to:

Generate a table of contents for an HTML document
Display DHTML animations
Automate form validation
Draw dynamic pie charts
Make HTML elements draggable
Define keyboard shortcuts for web applications
Create Ajax-enabled tool tips
Use XPath and XSLT on XML documents loaded with Ajax
And much more

Part III is a complete reference for core JavaScript. It documents every class, object, constructor, method, function, property, and constant defined by JavaScript 1.5 and ECMAScript Version 3.

Part IV is a reference for client-side JavaScript, covering legacy web browser APIs, the standard Level 2 DOM API, and emerging standards such as the XMLHttpRequest object and the canvas tag.

More than 300,000 JavaScript programmers around the world have made this their indispensable reference book for building JavaScript applications.

"A must-have reference for expert JavaScript programmers...well-organized and detailed." -- Brendan Eich, creator of JavaScript


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Head First Ajax Review

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Head First Ajax ReviewThis book is for people who already know HTML very well and are familiar - but not necessarily experts - with CSS and Javascript. If you are not in that category you should probably check out "Head First HTML and CSS" first. This is not a reference book, but a book for understanding and, more importantly remembering Ajax via an unusual presentation style. That unusual presentation style includes fake interviews, lots of illustrations, and question and answer sessions. You are also presented several designs and shown the right and wrong ways to approach problems. Ajax requires a non-traditional approach to web application design, and head first books are always good at adjusting your thought process as painlessly as possible.
The topics covered include designing Ajax applications, Javascript events, multiple event handlers, asynchronous applications, the document object model and its manipulation, frameworks and toolkits, XML requests and responses, Javascript Standard Object Notation, forms and validations, post requests, leftovers, and utility functions.
I liked this book not only for its casual and fun presentation style, but because it starts explaining Ajax at the beginning and does not get confusing as you go forward. The author knows how to ramp up the difficulty level without you really noticing. Plus, you don't feel like you need half a dozen other books to understand what's going on. The author is clear in her explanation of what the book's limitations are.Head First Ajax Overview
Ajax is no longer an experimental approach to website development, but the key to building browser-based applications that form the cornerstone of Web 2.0. Head First Ajax gives you an up-to-date perspective that lets you see exactly what you can do -- and has been done -- with Ajax. With it, you get a highly practical, in-depth, and mature view of what is now a mature development approach. Using the unique and highly effective visual format that has turned Head First titles into runaway bestsellers, this book offers a big picture overview to introduce Ajax, and then explores the use of individual Ajax components -- including the JavaScript event model, DOM, XML, JSON, and more -- as it progresses. You'll find plenty of sample applications that illustrate the concepts, along with exercises, quizzes, and other interactive features to help you retain what you've learned.Head First Ajax covers:

The JavaScript event model
Making Ajax requests with XMLHTTPREQUEST objects
The asynchronous application model
The Document Object Model (DOM)
Manipulating the DOM in JavaScript
Controlling the browser with the Browser Object Model
XHTML Forms
POST Requests
XML Syntax and the XML DOM tree
XML Requests & Responses
JSON -- an alternative to XML
Ajax architecture & patterns
The Prototype Library

The book also discusses the server-side implications of building Ajax applications, and uses a "black box" approach to server-side components.Head First Ajax is the ideal guide for experienced web developers comfortable with scripting -- particularly those who have completed the exercises in Head First JavaScript -- and for experienced programmers in Java, PHP, and C# who want to learn client-side programming.


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Beginning JavaScript and CSS Development with jQuery (Wrox Programmer to Programmer) Review

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Beginning JavaScript and CSS Development with jQuery (Wrox Programmer to Programmer) ReviewEvery so often in computing a language extension or new technology comes along that is the buzz of the development community. JQuery is one of those. Lots of developers are talking about it and using it, even Microsoft are including native support for it in their upcoming Visual Studio 2010 release.
Beginning JavaScript and CSS Development with JQuery is a beautiful full color book from Wrox Press weighing in at just over 500 pages. Richard York assumes that you are already familiar with JavaScript and also CSS and therefore this is not a book for the complete beginner, only a beginner with JQuery.
The book is well laid out with chapters devoted to each of JQuery's main areas, selectors, AJAX, Manipulating the DOM, Event handling etc. etc. with numerous Appendixes that can be used as a quick reference. Each chapter has numerous examples explaining the particular JQuery concepts and constructs being discussed culminating in one big example program at the end of the chapter that brings together everything discussed in that particular chapter finally ending with a quick question exercise to make sure that the keywords and constructs discussed have truly sunk in. This is an excellent way for a beginners book to be constructed as it really hammers home what has been discussed during each chapter.
One major annoyance I have with Richards writing style however is that he comes across as a Mac snob and throughout the book takes snipes at Microsoft and especially Internet Explorer. Whilst some of this may be deserving it is off-putting and a detraction from what is ultimately a good book.
If you can gloss over the snobbishness I would actually recommend this book for beginners of JQuery. The full color screenshots highlight the various examples superbly and Richard does give you a lot of useful information without overwhelming you with every nuance of JQuery.
Beginning JavaScript and CSS Development with jQuery (Wrox Programmer to Programmer) OverviewThe jQuery JavaScript framework is a rising star in the world of web development. JavaScript frameworks in general have grown to become immensely popular in the past few years in parallel with the ever-increasing presence of JavaScript-driven, so-called Web 2.0 websites that make heavy use of technologies like AJAX and JavaScript in general for slick graphical enhancements that would be impossible or much more cumbersome to incorporate without JavaScript.

jQuery's mission as a JavaScript library is simple — it strives to make the lives of web developers easier by patching over certain portions of cross-browser development and by making other tasks commonly needed by developers much easier. jQuery has the real, proven ability to reduce many lines of plain-vanilla JavaScript to just a few lines, and, in many cases, just a single line. jQuery strives to remove barriers to JavaScript development by removing redundancy wherever possible and normalizing cross-browser JavaScript development in key areas where browsers would otherwise differ, such as Microsoft's Event API and the W3C Event API, and other, more remedial tasks like getting the mouse cursor's position when an event has taken place.

jQuery is a compact, lightweight library that currently works in Microsoft's Internet Explorer browser from version 6 on, Firefox from version 1.5 on, Safari from version 2.0.2 on, Opera from version 9 on, and Google's new Chrome browser from version 0.2 on. Getting started with jQuery is very easy — all you have to do is include a single link of markup in your HTML or XHTML documents that includes the library. Throughout this book, I demonstrate jQuery's API (Application Programming Interface) components in detail and show you how all the nuts and bolts of this framework come together to enable you to rapidly develop client-side applications.

I also cover the jQuery UI library, which makes redundant user-interface (UI) tasks on the client side ridiculously easy and accessible to everyday web developers who might not have much JavaScript programming expertise. Have you ever wondered how websites make virtual pop-up windows using JavaScript, HTML, and CSS? The jQuery UI library provides the ability to create these pop-up windows and includes the ability to animate transitions like fading the window on and off, or having it re-size from very small to full sized. The jQuery UI library gives you the ability to use animations and transitions using JavaScript, markup, and CSS that you may have thought previously could only have been done with Adobe's Flash player.

What This Book Covers

This book covers the jQuery JavaScript framework and the jQuery UI JavaScript framework and demonstrates in great detail how to use the jQuery framework to get more results more quickly out of JavaScript programming. I cover each method exposed by jQuery's API, which contains methods to make common, redundant tasks go much more quickly in less code. Some examples are methods that help you to select elements from a markup document through the DOM and methods that help you to traverse through those selections and filter them using jQuery's fine-grained controls. This makes working with the DOM easier and more effortless. I also cover how jQuery eliminates certain cross-browser, cross-platform development headaches like the event model; not only does it eliminate these headaches, but it also makes it easier to work with events by reducing the amount of code that you need to write to attach events. It even gives you the ability to simulate events.

Later in the book, I cover how you can leverage the jQuery UI library to make graphically driven UI widgets. jQuery gives you the ability to break content up among multiple tabs in the same page. You have the ability to customize the look and feel of the tabs, and even to create a polished look and feel by providing different effects that come in when you mouse over tabs and click on them. The jQuery UI library also makes it easy to create accordion sidebars, like the one on Apple's Mac website. These sidebars have two or more panels, and when you mouse over an item, one pane transitions to another via a smooth, seamless animation wherein the preceding pane collapses and the proceeding pane expands.

The jQuery UI library also gives you the ability to make any element draggable with the mouse; by clicking and holding and moving the mouse, you can move elements around on a page. It also makes it really easy to create drag-and-drop user interfaces. This can be used to make a dropping zone where you take elements from other parts of the page and drop them in another, as you would in your operating system's file manager when you want to move a folder from one place to another. You can also make lists that are sortable via drag-and-drop, rearranging elements based on where you drop them. You can also have a user interface where you drag the mouse cursor to make a selection, as you would in your operating system's file manager when you want to select more than one file. Then jQuery UI also exposes the ability to re-size elements on a page using the mouse. All of those neat things that you can do on your computer's desktop, you can also do in a web browser with jQuery UI.

jQuery UI also provides a widget for entering a date into a field using a nice, accessible JavaScript-driven calendar that pops up when you click on an input field.

You can also make custom pop-up dialogues that are like virtual pop-up windows, except they don't open a separate browser window — they come up using markup, CSS, and JavaScript.

Another widget that jQuery UI provides is a graphical slider bar, similar to your media player's volume control.

As jQuery has done for JavaScript programming in general, jQuery UI strives to do for redundant graphical user interface (GUI) tasks. jQuery UI gives you the ability to make professional user-interface widgets with much less development effort.

This book is for anyone interested in doing more with less code! You should have a basic understanding of JavaScript. I review some basic JavaScript programming concepts, such as the Event API, but I do not go into great detail about the JavaScript language itself. You'll want to have at least a basic grasp of the Document Object Model, or DOM, and basic JavaScript programming syntax. Additionally, you'll need to know your way around CSS and HTML, since knowledge of those technologies is also assumed. A complete beginner might be able to grasp what is taking place in the examples in this book but might not understand certain terminology and programming concepts that would be presented in a beginner's JavaScript guide, so if you are a beginner and insist with pressing forward, I recommend doing so with a beginning JavaScript book on hand as well. Specifically, I recommend the following Wrox books for more help with the basics:

Beginning Web Programming with HTML, XHTML, and CSS, 2nd ed. (2008), by Jon Duckett
Beginning CSS: Cascading Style Sheets for Web Design, 2nd ed. (2007), also written by yours truly.
Beginning JavaScript, 3rd ed. (2007), by Paul Wilton and Jeremy McPeak

For further knowledge of JavaScript above and beyond what is covered in this book, I recommend Professional JavaScript for Web Developers, 2nd ed. (2009), by Nicholas C. Zakas.


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