Rating: 
Summary: A bit shallow
Review: After reading Castro's "HTML 4 for the World Wide Web", I spotted this book and bought it without really examining it. Since it's from the same publisher, I expected the same high quality. I was disappointed.Or maybe it's not a quality thing, as such: I have a lot of experience with procedural languages, so there wasn't much for this book to teach me. This is an ok book, I guess, if you're a beginner. A better option for people with some experience, IMHO, is "Professional JavaScript" from WROX.
Rating: 
Summary: Javascript for the World Wide Web
Review: I have purchased this book and found it well worth its price. It contains a wealth of information that enabled me to incorporate javascript into my projects "on the fly" in one day. My previous experience utilizing javascript before buying this book: none. The examples are clearly written and easy to understand. I rate it 5 stars because I found it that helpful. This book, along with subsequent editions to it, will always have a place in my reference library.
Rating:
Summary: True to its name - "QUICKSTART"
Review: I needed to learn JavaScript fast as a pre-requisite for a training course I was taking in two weeks. This book came through in a big way. It covered the basics quickly, in an easy-to-read style. Downloading the scripts from the accompanying web site was a real time-saver. I didn't waste time copying code. Instead, I played-around with the downloaded scripts and studied how my changes affected the results. I also had the "HTML For The World Wide Web" book on hand. The two books makes a great combo for quick learning. You need to understand what you're buying with this JavaScript book. If you need an in-depth guide or reference book, then this is not it - but then again, it doesn't claim to be. It served my purpose perfectly.
Rating: 
Summary: More Like A Phrase Book Than A Complete Grammar
Review: I have found this book *extremely* helpful in integrating certain JavaScript elements into web pages (using the authors' web site which supplements the material in the book is essential, however.)I would highly recommend it to someone with little or no JavaScript knowledge. I think most of the negative reviews (the ones that rate it a star or two because it's "not for serious programmers") are missing the point. If you want to go on a trip to Mexico and need to learn some Spanish quickly to help you survive, you pick up a phrase book by Berlitz or some such publisher. Learning the entire grammar of the Spanish language would be a waste of time for this purpose. Likewise, if you want to read Cervantes in the original, memorizing how order a meal in a restaurant isn't going to help you much. I think the analogy holds true for this book - if you want to journey into the land of JavaScript, this is a good phrase book to help you get along (the authors themselves even encourage you to copy-and-paste many of the commands from their web site so you don't even have to do the typing.) If you want to delve into the grammar of the language, this book would be limited for that purpose.
Rating:
Summary: Good sense of Humour
Review: Best description of what object oriented programming is, in simple language. Learning by example, which suits my learning style. To comment on the comment from "Garfield fan", the parentheses are described on page 6.
Rating: 
Summary: Very beginner book on JavaScript
Review: I wasn't very impressed with this book. After reading HTML4 for WWW, I thought this would be good too. It was hardly any reference material at all. I would not recommend this for a professional developer. I agree with another reviewer that said He was thinking of throwing it away. Disappointing, don't waste your money on it.
Rating:
Summary: Great intro
Review: Very good primer on Java Script. This book is truly for the literal beginner, but excels in this capacity. Upon completion you will need to move on to a more thorough treatment.
Rating:
Summary: Invaluable for beginners, inadequate for serious programmers
Review: I found this book extremely useful when I first started learning Javascript, because of the ample number of examples followed up with codes, eye ease presentation and omission of boring text and useless explanations. When I had started to study Javascript in more programming depth, I discovered that the book was very weak in conveying the meaning of the programming language. This book is laid out in an "Action A - Code A", "Action B - Code B", "Action C - Code C",...In other words, you must follow the static examples used in the book where I had a lot of trouble in figuring out how to edit certain variables to my purposes. This book does not get you into the heart of Javascript, making it nearly impossible for a novice to produce a code out of creativity. This book is also great for impatient people, and dyslexic readers. Overall, if you're a novice, this book is the best there is on Javascript and is the easiest to learn some simple codes from; if you're a programmer wanting to learn the language, I'm sorry, it would be money down the drain if you buy this book.
Rating:
Summary: Very Easy and Fast Read
Review: I am fairly new to Java and JavaScript. This is the easiest, fastest way to get started with JavaScript. I wasted alot of cash on Java related material and this was the best money I've spent. A very good book for beginers!
Rating: 
Summary: I'm thinking about throwing it away!
Review: I got this book because the people who published this book also published a great HTML book. But this book is very confusing, doesn't have enough commands, and NOTHING I TRIED WORKED! In this command, function newWindow(). What's the parantheses for? It didn't say. The only thing I liked about this book is that they told the difference between JavaScript and Java.
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