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Douglas Crockford

JavaScript: The Good Parts

by Douglas Crockford (Author) Format: Paperback

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Most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined. This authoritative book scrapes away these bad features to reveal a subset of JavaScript that's more reliable, readable, and maintainable than the language as a whole--a subset you can use to create truly extensible and efficient code.

Considered the JavaScript expert by many people in the development community, author Douglas Crockford identifies the abundance of good ideas that make JavaScript an outstanding object-oriented programming language-ideas such as functions, loose typing, dynamic objects, and an expressive object literal notation. Unfortunately, these good ideas are mixed in with bad and downright awful ideas, like a programming model based on global variables.

When Java applets failed, JavaScript became the language of the Web by default, making its popularity almost completely independent of its qualities as a programming language. In JavaScript: The Good Parts, Crockford finally digs through the steaming pile of good intentions and blunders to give you a detailed look at all the genuinely elegant parts of JavaScript, including:

Syntax
Objects
Functions
Inheritance
Arrays
Regular expressions
Methods
Style
Beautiful features

The real beauty? As you move ahead with the subset of JavaScript that this book presents, you'll also sidestep the need to unlearn all the bad parts. Of course, if you want to find out more about the bad parts and how to use them badly, simply consult any other JavaScript book.

With JavaScript: The Good Parts, you'll discover a beautiful, elegant, lightweight and highly expressive language that lets you create effective code, whether you're managing object libraries or just trying to get Ajax to run fast. If you develop sites or applications for the Web, this book is an absolute must.

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ISBN-10

0596517742
ISBN-13

978-0596517748
Edition

First Edition
Publisher

O'Reilly Media
Publication date

May 1, 2008
Language

English
Dimensions

6.9 x 0.39 x 9 inches
Print length

172 pages

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From the brand

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O'Reilly's mission is to change the world by sharing the knowledge of innovators. For over 40 years, we've inspired companies and individuals to do new things (and do them better) by providing the skills and understanding that are necessary for success.

Our customers are hungry to build the innovations that propel the world forward. And we help them do just that.

From the Publisher

From the Preface

This is a book about the JavaScript programming language. It is intended for programmers who, by happenstance or curiosity, are venturing into JavaScript for the first time. It is also intended for programmers who have been working with JavaScript at a novice level and are now ready for a more sophisticated relationship with the language. JavaScript is a surprisingly powerful language. Its presents some challenges, but being a small language, it is easily mastered.

My goal here is to help you to learn to think in JavaScript. I will show you the components of the language and start you on the process of discovering the ways those components can be put together. This is not a reference book. It is not exhaustive about the language and its quirks. It doesn't contain everything you'll ever need to know. That stuff you can easily find online. Instead, this book just contains the things that are really important.

This is not a book for beginners. Someday I hope to write a JavaScript: The First Parts book, but this is not that book. This is not a book about Ajax or web programming. The focus is exclusively on JavaScript, which is just one of the languages the web developer must master.

Editorial Reviews

About the Author

Douglas Crockford is a Senior JavaScript Architect at Yahoo!, well known for introducing and maintaining the JSON (JavaScript Object Notation) format. He's a regular speaker at conferences on advanced JavaScript topics, and serves on the ECMAScript committee.

Product details

Publisher ‏ : ‎ O'Reilly Media
Publication date ‏ : ‎ May 1, 2008
Edition ‏ : ‎ First Edition
Language ‏ : ‎ English
Print length ‏ : ‎ 172 pages
ISBN-10 ‏ : ‎ 0596517742
ISBN-13 ‏ : ‎ 978-0596517748
Item Weight ‏ : ‎ 2.31 pounds
Dimensions ‏ : ‎ 6.9 x 0.39 x 9 inches
Best Sellers Rank: #552,161 in Books (See Top 100 in Books)
- #24 in Functional Software Programming
- #79 in JavaScript Programming (Books)
- #239 in Web Design (Books)
Customer Reviews:
(1,476)

About the author

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Douglas Crockford

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Douglas Crockford is the author of How JavaScript Works. He has been called a JavaScript Guru, but he is more of a Mahatma. He was born in Frostbite Falls, Minnesota, but left when he was only six months old because it was just too damn cold. He has worked in learning systems, small business systems, office automation, games, interactive music, multimedia, location-based entertainment, social systems, and programming languages. He is the inventor of Tilton, the ugliest programming language that was not specifically designed to be an ugly programming language. He is best known for having discovered that there are good parts in JavaScript. That was the first important discovery of the Twenty First Century. He also discovered the JSON Data Interchange Format, the world’s most loved data format.

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Customers consider this JavaScript book one of the most important ever written, praising its concise writing style and ability to steer readers away from language weaknesses. Moreover, the book provides a good overview of the language, highlighting key concepts and pitfalls, and customers find it easy to read, with many completing it in two short sittings. However, opinions are mixed regarding its suitability for beginners, with some finding it good for novices while others say it's not appropriate for beginners. Additionally, customers disagree on the book's value for money.

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377 customers mention content, 290 positive, 87 negative

Customers praise the content of the book, describing it as brilliant and one of the most important JavaScript books ever written.

...of the errors, I would give a correctly edited edition of this book five stars for the educational insights sprinkled through it....Read more

...This is a great book to be used by the professional developer that wants to increase his/her ability to produce client-side code that is flexible...Read more

Good book. This is a well-written book with lots of good explanations. I would recommend it to others. Just my two cents.Read more

Hits and misses, opinionated, a bit out of dateRead more

80 customers mention readability, 56 positive, 24 negative

Customers find the book easy to read and understand, with several mentioning they can finish it in two sittings, and one customer noting it can be read in an evening.

...Straightforward, clear, and to the point. Seems to assume that you've written some other code before, and the use of railroad charts is kinda weird....Read more

...The author is easy to read and gets right to the point. I would recommend this to anyone who is thinking of using JavaScript....Read more

You can be sidetracked from the tiny size of this book, but is not a simple reading....Read more

...to truly understand JavaScript, hate it less, or even love it, read this book.Read more

70 customers mention writing quality, 55 positive, 15 negative

Customers praise the writing quality of the book, noting its wonderful presentation and concise style, helping readers learn how to write good JavaScript code.

Concise, highly informative, easy to read. A really good book that goes into the entrails of JS. Highly recommended.Read more

Handles things that have given me trouble in the past. Well written, mostly, with good diagrams that make it a good reference work.Read more

Good book. This is a well-written book with lots of good explanations. I would recommend it to others. Just my two cents.Read more

...had", others said the information was poorly organized and not written very well. Others complained about his ego getting in the way....Read more

49 customers mention language, 39 positive, 10 negative

Customers appreciate the book's language, which provides a good overview and highlights key concepts while identifying pitfalls in the language.

...that under the festering pile of chaos there is a beautiful and elegant language: the good parts....Read more

...but this book remains an excellent introduction to the language. It is concise, informative, and a very quick read....Read more

...The author obviously knows his stuff. The language flows well and is logically organized....Read more

JavaScript is not an easy language. That's not a big secret. The author, however, does a great job explaining the key parts of the language....Read more

42 customers mention usefulness, 39 positive, 3 negative

Customers find the book useful and practical, describing it as an important resource that can be used as a reference.

Helpful for folks like myself without a ton of classic CS training but has a lot of exposure to JavaScript over the years....Read more

This book has been very helpful. I had a java script project to do and this book got me started.Read more

Very helpfullRead more

...engineer and his views on the subject come across as very pragmatic, practical and informative....Read more

32 customers mention length, 23 positive, 9 negative

Customers appreciate the length of the book, describing it as remarkably brief.

I just finished this book. It's relatively short but you have to invest a lot of hours to properly absorb it....Read more

This book is awesome. Title says everything. Book is quite short but very valuable, because it contains only important informations....Read more

...10. It is short and does not teach you anything about JS, but pretty much sums why adding every single library you can is probably a terrible idea.Read more

...The book isn't that long, but somehow it covers many important topics for its length.Read more

38 customers mention suitable for beginners, 14 positive, 24 negative

Customers have mixed opinions about the book's suitability for beginners, with some finding it good for novices and every developer should read it, while others say it isn't suitable for beginners.

...The author says it is not for beginners, but if I were teaching the language this would be the core text on the reading list....Read more

Great book for beginners!Read more

...The introduction explains that this is not a book for beginners, which is true, because beginning programmers would find most of Chapters 3, 4, and...Read more

...For the advanced user it's just too basic....Read more

23 customers mention value for money, 12 positive, 11 negative

Customers have mixed opinions about the book's value for money, with some finding it well worth the read while others consider it not a lot of added value.

...Definitely worthwhile if you work with javascript on a regular basis and well worth a read if you're just curious about the ins and outs of...Read more

...methods; this feels like stuff I'd just google while coding, not terribly valuable to me personally....Read more

Good quality and good price with free shippingRead more

...What a waste of money. I wish he had actually tried to teach JavaScript through a set of tutorials....Read more

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