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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 highlyexpressive 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.

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 XMLHttpRequestobject 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

Since the earliest days of Internet scripting, Web developers have considered JavaScript: The Definitive Guide an essential resource. David Flanagan's approach, which combines tutorials and examples with easy-to-use syntax guides and object references, suits the typical programmer's requirements nicely. The brand-new fourth edition of Flanagan's "Rhino Book" includes coverage of JavaScript 1.5, JScript 5.5, ECMAScript 3, and the Document Object Model (DOM) Level 2 standard from the World Wide Web Consortium (W3C). Interestingly, the author has shifted away from specifying--as he did in earlier editions--what browsers support each bit of the language. Rather than say Netscape 3.0 supports the Image object while Internet Explorer 3.0 does not, he specifies that JavaScript 1.1 and JScript 3.0 support Image. More usefully, he specifies the contents of independent standards like ECMAScript, which encourages scripters to write applications for these standards and browser vendors to support them. As Flanagan says, JavaScript and its related subjects are very complex in their pure forms. It's impossible to keep track of the differences among half a dozen vendors' generally similar implementations. Nonetheless, a lot of examples make reference to specific browsers' capabilities.

Though he does not cover server-side APIs, Flanagan has chosen to separate coverage of core JavaScript (all the keywords, general syntax, and utility objects like Array) from coverage of client-side JavaScript (which includes objects, like History and Event, that have to do with Web browsers and users' interactions with them. This approach makes this book useful to people using JavaScript for applications other than Web pages. By the way, the other classic JavaScript text--Danny Goodman's JavaScript Bible--isn't as current as this book, but it's still a fantastic (and perhaps somewhat more novice-friendly) guide to the JavaScript language and its capabilities. --David Wall

Topics covered: The JavaScript language (version 1.0 through version 1.5) and its relatives, JScript and ECMAScript, as well as the W3C DOM standards they're often used to manipulate. Tutorial sections show how to program in JavaScript, while reference sections summarize syntax and options while providing copious code examples.

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.

Pro JavaScript Techniques is the ultimate JavaScript book for the modern web developer. It provides everything you need to know about modern JavaScript, and shows what JavaScript can do for your web sites. This book doesnt waste any time looking at things you already know, like basic syntax and structures.

Expert web developer and author John Resig concentrates on fundamental, vital topicswhat modern JavaScripting is (and isnt), the current state of browser support, and pitfalls to be wary of. The book is organized into four sections:

• Modern JavaScript developmentusing JavaScript the object-oriented way, creating reusable code, plus testing and debugging
• DOM scriptingupdating content and styles, plus events, and effect and event libraries
• Ajaxhow Ajax works, overcoming problems, and using libraries to speed up development of Ajax applications
• The future of JavaScriptlooking at cutting edge topics like JSON, HTML 5, and more

All concepts are backed up by real-world examples and case studies, and John provides numerous reusable functions and classes to save you time in your development. There are also up-to-date reference appendixes for the DOM, events, browser support (including IE7), and frameworksso you can look up specific details quickly and easily.

JavaScript is essential for creating modern, interactive Web sites. But, unlike HTML and CSS, JavaScript is a true programming language with complex rules that are challenging for most Web designers to learn. In JavaScript: The Missing Manual, bestselling author David McFarland teaches you how to use JavaScript in sophisticated ways -- even if you have little or no programming experience. In a clear, entertaining way, the book starts out by teaching you how to build a basic JavaScript program. Then, once you've mastered the structure and terminology, you'll learn how to use advanced JavaScript tools to add useful interactivity to your sites quickly and painlessly, rather than scripting everything from scratch. To jump-start your progress, the book offers several "living examples" -- step-by-step tutorials for building Web site components with JavaScript using raw materials, such as graphics and half-completed Web pages, that you can download from the book's companion Web site. In this book, you will learn: How to get started. The book introduces the building blocks of JavaScript, and general tips on computer programming. Learn to add scripts to a Web page; store and manipulate information; communicate with the browser window; respond to events like mouse clicks and form submissions; and identify and modify HTML. How to build Web Page Features. McFarland provides real-world examples of JavaScript in action. Learn to create pop-up navigation bars, enhance HTML tables, build an interactive photo gallery, and make Web forms more usable. Create interesting user interfaces with tabbed panels, accordion panels and pop-up dialog boxes. How to troubleshoot and debug. The book will teach you howto avoid the ten most common errors new programmers make, and how to find and fix bugs. How to communicate with the Web server. In addition to basic JavaScript, this manual covers Ajax, the approach that made JavaScript glamorous. Learn to use JavaScript to communicate with a server so that your Web pages can receive information without having to reload.

If you want to put JavaScript to work right away without getting tangled up in code, JavaScript: The Missing Manual is the best book available.

Pro JavaScript Techniques is the ultimate JavaScript book for the modern web developer. It provides everything you need to know about modern JavaScript, and shows what JavaScript can do for your web sites. This book doesnt waste any time looking at things you already know, like basic syntax and structures.

Expert web developer and author John Resig concentrates on fundamental, vital topicswhat modern JavaScripting is (and isnt), the current state of browser support, and pitfalls to be wary of. The book is organized into four sections:

• Modern JavaScript developmentusing JavaScript the object-oriented way, creating reusable code, plus testing and debugging
• DOM scriptingupdating content and styles, plus events, and effect and event libraries
• Ajaxhow Ajax works, overcoming problems, and using libraries to speed up development of Ajax applications
• The future of JavaScriptlooking at cutting edge topics like JSON, HTML 5, and more

All concepts are backed up by real-world examples and case studies, and John provides numerous reusable functions and classes to save you time in your development. There are also up-to-date reference appendixes for the DOM, events, browser support (including IE7), and frameworksso you can look up specific details quickly and easily.

Even if you have no programming experience, you'll learn to create dynamic, interactive Web pages with help from this easy-to-use, self-teaching guide. Author and programming instructor Jim Keogh covers the basics of this leading Web development language and explains how to write cross-browser JavaScript programs in no time.

* Dispels the myth that JavaScript is a "baby" language and demonstrates why it is the scripting language of choice used in the design of millions of Web pages and server-side applications
* Quickly covers JavaScript basics and then moves on to more advanced topics such as object-oriented programming, XML, Web services, and remote scripting
* Addresses the many issues that Web application developers face, including internationalization, security, privacy, optimization, intellectual property issues, and obfuscation
* Builds on the reader's basic understanding of HTML, CSS, and the Web in general

This book is also available as part of the 4-book JavaScript and Ajax Wrox Box (ISBN: 0470227818). This 4-book set includes:

• Professional JavaScript for Web Developers (ISBN: 0764579088)
• Professional Ajax 2nd edition (ISBN: 0470109491)
• Professional Web 2.0 Programming (ISBN: 0470087889)
• Professional Rich Internet Applications: Ajax and Beyond (ISBN: 0470082801)

In today's Web 2.0 world, JavaScript and Dynamic HTML are at the center of the hot new approach to designing highly interactive pages on the client side. With this environment in mind, the new edition of this book offers bite-sized solutions to very specific scripting problems that web developers commonly face. Each recipe includes a focused piece of code that you can insert right into your application.

Why is JavaScript & DHTML Cookbook so popular? After reading thousands of forum threads over the years, author and scripting pioneer Danny Goodman has compiled a list of problems that frequently vex scripters of various experience levels. For every problem he addresses, Goodman not only offers code, but a discussion of how and why the solution works. Recipes range from simple tasks, such as manipulating strings and validating dates in JavaScript, to entire libraries that demonstrate complex tasks, such as cross-browser positioning of HTML elements, sorting tables, and implementing Ajax features on the client.

Ideal for novices as well as experienced scripters, this book contains more than 150 recipes for:

• Working with interactive forms and style sheets
• Presenting user-friendly page navigation
• Creating dynamic content via Document Object Model scripting
• Producing visual effects for stationary content
• Positioning HTML elements
• Working with XML data in the browser

Recipes in this Cookbook are compatible with the latest W3C standards and browsers, including Internet Explorer 7, Firefox 2, Safari, and Opera 9. Several new recipes provide client-side Ajax solutions, and many recipes from the previous edition have been revised to help you build extensible user interfaces for Web 2.0 applications. If you want to write your own scripts and understand how they work, rather than rely on a commercial web development framework, the JavaScript & DHTML Cookbook is a must.

Mastering JavaScript 2004 , Mastering JavaScript 2004 Training Tutorial Mastering JavaScript 2004 is a must have, step-by-step narrated simulation for the beginner, as well as a handy reference tool for professional interactive web programmers.