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|  | |  | | | Learning JavaScript, 2nd Edition | | | | | SKU:
7665827 | | In Stock | | Availability:
Usually ships in 1 business days | | | | | | If you're new to JavaScript, or an experienced web developer looking to improve your skills, Learning JavaScript provides you with complete, no-nonsense coverage of this quirky yet essential language for web development. You'll learn everything from primitive data types to complex features, including JavaScript elements involved with Ajax and dynamic page effects. By the end of the book, you'll be able to work with even the most sophisticated libraries and web applications.
Complete with best practices and examples of JavaScript use, this new edition shows you how to integrate the language with the browser environment, and how to practice proper coding techniques for standards-compliant websites. This book will help you: - Learn the JavaScript application structure, including basic statements and control structures
- Identify JavaScript objects -- String, Number, Boolean, Function, and more
- Use browser debugging tools and troubleshooting techniques
- Understand event handling, form events, and JavaScript applications with forms
- Develop with the Browser Object Model, the Document Object Model, and custom objects you create
- Learn about browser cookies and more modern client-side storage techniques
- Get details for using XML or JSON with Ajax applications
Learning JavaScript follows proven learning principles to help you absorb the concepts at an easy pace, so you'll learn how to create powerful and responsive applications in any browser.
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| | Product Details | | Author: | Shelley Powers | | Paperback: | 400 pages | | Publisher: | O'Reilly Media | | Publication Date: | December 23, 2008 | | Language: | English | | ISBN: | 0596521871 | | Product Length: | 9.19 inches | | Product Width: | 7.0 inches | | Product Height: | 0.82 inches | | Product Weight: | 1.21 pounds | | Package Length: | 9.1 inches | | Package Width: | 7.0 inches | | Package Height: | 0.9 inches | | Package Weight: | 1.05 pounds | | Average Customer Rating: |  based on 12 reviews |
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| | Features | ISBN13: 9780596521875Condition: NewNotes: BRAND NEW FROM PUBLISHER! 100% Satisfaction Guarantee. Tracking provided on most orders. Buy with Confidence! Millions of books sold!
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| | Customer Reviews | Average Customer Review: ( 12 customer reviews )
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Most Helpful Customer Reviews
34 of 37 found the following review helpful:
 Well done, intelligent, clear and useful; but not for the complete novice Mar 10, 2009
By M. Helmke
I recently became the maintainer for a site that uses a bit of JavaScript. Surprisingly, I have no previous experience writing or maintaining anything in JavaScript, so I needed to get up to speed, if only to know what is going on. To help me out, I picked up a copy of Shelley Powers' new book, Learning JavaScript.
I am familiar with Shelley Powers' work, having read Unix Power Tools, a book that holds a special place on my shelf for its usefulness and depth. She is obviously someone who knows what she is doing.
This book states in the preface that, "Readers of this book should be familiar with web page technology, including Cascading Style Sheets (CSS) and HTML/XHTML. Previous programming experience isn't required, though some sections may require extra review if you have no previous exposure to programming."
That sums up the only negative thing I might be tempted to say about the book. Usually, O'Reilly's "Learning" series books are excellent resources for complete newcomers and are the sort of books that I might point a novice toward. While this book is designed for the JavaScript novice, it is not the best resource for a programming/web creation novice. If you can't follow or understand the following quoted sentences, this book isn't for you. If you can, this book does an excellent job of covering the basics of JavaScript in depth and may end up being the only text you need on the topic.
"JavaScript has just three primitive data types: string, numeric, and boolean. Each is differentiated from the others by the type of value it contains: string, numeric, and boolean, respectively."
My first exposure to programming was in 1981, using BASIC on a Radio Shack TRS-80 Color Computer. Over the years, I have studied (and often forgotten, but can certainly read a bit and understand the concepts of) LISP, C, Bash scripting, Perl, Python, and more. Lately I have spent more time using PHP and enjoying it, since that is the language of things like Wordpress, Drupal, vBulletin and other commonly used CMS and interactive web site software. The two sentences quoted above seem perfectly clear to me, but I can imagine what they must seem like to someone with no experience with programming languages. So, now you have been warned. Let's get to the good stuff for those who understand the jargon.
This book is clear, with enough detail to help you understand what is happening without bogging you down in the minutiae. The reader is expected to see how and why each facet of the language would be useful, so the examples given are simple and seem to be designed to help the reader get the feel for usage without pretending to be a cookbook of programming recipes, although some seem quite useful as they are, such as Chapter 6's code for browser detection, which allows you to modify content and/or how it is displayed based on the web browser being used to view your site.
The text covers everything you are likely to need while using JavaScript, and more importantly for me, most everything a person is likely to stumble across when reading existing code. You get a solid introduction to data types and variables, operators, statements, objects, and functions. This is built upon with chapters on debugging and cross-browser compatibility. This new second edition (just released earlier in 2009) has several updates and changes from the previous version including a wonderful comparison of the benefits of generating and processing XML data using Ajax versus using JSON.
If you are considering using JavaScript on a website that includes the dynamic creation of web pages, or if you have inherited one that you are now responsible for maintaining, this book would be a good resource to help you start to understand one of the more common languages used for doing so. This is especially true if you have any prior experience with any other programming language. If you want a cookbook, scripted-style, "do this, now do that" sort of beginner's guide to making a site that holds your hand through the whole process, this is not the book you want.
16 of 16 found the following review helpful:
 Not for Beginners! Sep 04, 2009
By D. A. Rogerson
"Iowa Bookman"
I have to concur that while this book is marketed as a book for newcomers to javascript, it is too full of unexplained terminology for the beginner. I am very familiar with HTML and CSS, and the introduction to this book claims that should have been good enough for a starting point, but here I am scratching my head about every third sentence and having to run to the web for clarification.
Other "beginning" O'Reilly books I have used relied on a tutorial model that starts with a "hello world" example and builds upon it to introduce more complicated concepts. Powers' book does indeed start with a "hello world" example, but does not build upon it. Instead, each chapter focuses on a particular facet and provides isolated examples that are not connected back to previous examples. It is arranged more like a basic reference text than a learning tool.
10 of 11 found the following review helpful:
Not for beginners Nov 13, 2009
By dennisd
I am trudging through this book right now, and as a beginner who has no prior experience with JavaScript, I can tell you that this book isn't for the beginner. I've gone through a few examples and typed in the code as written and found that a few of the examples don't even work. I'm sure that it was written using some sort of word processing software, so what made it so hard to copy and paste the JavaScript code into a file to check to see if the code actually works? Also, I don't understand why the examples are so complex. After reading and rereading the script examples, I can usually figure it out, but having to do that is why I say that this book is not for the beginner.
The good part about this book, is that I am actually learning the material. The "test" questions at the end of the chapter range from simple to intermediate, and I can answer all of them correctly. I just wish it was a bit easier to read for us beginners.
3 of 3 found the following review helpful:
Dry, at times confusing, but I guess I'm learning something Dec 02, 2010
By William C. Nelson
While the author clearly knows what she's talking about, the way the information is presented in this book, it's very difficult to follow at times unless you are an experienced programmer. It reads less like a friendly instructor bending over your shoulder guiding you along, and more as someone standing at a podium reading from an encyclopedia using incredibly distilled language that gets quite tedious after a while. As others have already pointed this out, I thought I would include some specific examples to illustrate.
Here is a sample of text from Chapter 7:
"The XHTML transitional and strict DOCTYPEs trigger standards mode for most browsers, depending on whether the page is served up as XHTML with an optional XML prolog."
I had to read this several times to first find the verb. At no time is 'transitional' defined, nor is the concept of 'XML prolog'. It's mentioned once here and then dropped. Head swimming. I want to roll up this sentence and toss it back.
There are several examples that mention (as opposed to formally introduce) concepts that haven't been spoken about yet. This is quite jarring for a reader trying to follow along. Again, as an example in Chapter 7, there is lots of discussion around accessing the DOM objects using JavaScript, but none of this has actually been covered yet.
Not to belabor the point, but there was one needlessly complicated example (5-5) to illustrate embedded functions where a function is called from within a return statement from inside a function inside another function. This makes my head want to explode. I wish the author spent at least a paragraph trying to explain exactly how this would work, because it's not at all clear.
I will update the review as I follow along, but for now yes I'm learning JavaScript, but aaarrrgh!
2 of 2 found the following review helpful:
 Not for Experience Programmers Either Jul 31, 2011
By doodaddy
"doodaddy"
I've read a few reviews here stating that this book isn't for the beginning programmer or the non-programmer. Well I'm an experienced programmer and the book is not worthwhile to me.
As a programmer, I'm looking for useful explanations of the core features of a language. For instance, JavaScript has two special types "null" and "undefined." That's unusual and I assume there is a reason for this. Maybe it helps avoid errors. Or maybe it was just a mistake in design. I lean towards the former. Anyway... the description in this book didn't touch on *why* there are null and undefined types. It "explained" them in a hurry and was so convoluted I'm more confused than if I hadn't looked at this book! And that's just one example.
The title is "Learning Javascript" which is a general-purpose scripting language with its roots in the web. However, this book is very geared towards examples stuck in HTML. I think the title should have made it clear that this was web-oriented.
I don't expect to finish this book. I'd like to trust O'Reilly as being the authority in teaching technical tools, but this is the 3rd time I've been very disappointed. (MySQL for instance).
See all 12 customer reviews on Amazon.com
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