Beginning Javascript with Dom Scripting and Ajax The Ultimate Guide to Modern JavaScript Development!

Name: Beginning Javascript with Dom Scripting and Ajax The Ultimate Guide to Modern JavaScript Development!
Price: 6.95 USD
Availability: InStock
ISBN: 9781590596807

ISBN-10: 1590596803

ISBN-13: 9781590596807

Edition: 2006

Authors: Christian Heilmann, Chris Mills

List price: $39.99

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Description:

JavaScript is one of the most important technologies on the web. It provides the means to add dynamic functionality to your web pages and serves as the backbone of Ajax-style web development. Beginning JavaScript with DOM Scripting and Ajax is an essential guide for modern JavaScript programming; it's practical but comprehensive. It covers everything you need to know to get up to speed with JavaScript development to add dynamic enhancements to web pages and program Ajax-style applications. Experienced web developer Christian Heilmann begins gently by giving you an overview of JavaScript--its syntax, good coding practices, and the principles of DOM scripting. Then he builds up your…

Book details

List price: $39.99
Copyright year: 2006
Publisher: Apress L. P.
Publication date: 5/9/2007
Binding: Paperback
Pages: 512
Size: 7.01" wide x 9.25" long x 0.42" tall
Weight: 2.002
Language: English

Christian Heilmann grew up in Germany and, after a year working with people with disabilities for the red cross, he spent a year as a radio producer. From 1997 he worked for several agencies in Munich as a web developer. In 2000 he moved to the States to work for Etoys and, after the .com crash, he moved to the UK where he currently works as a lead developer for Agilisys. He publishes an almost daily blog at http://wait-till-i.com and runs an article repository at http://icant.co.uk. He is a member of the Web Standards Project's DOM Scripting Task Force.



Foreword


About the Author


About the Technical Reviewer


Acknowledgments


Introduction



Getting Started with JavaScript


The Why of JavaScript


What Is JavaScript?


Problems and Merits of JavaScript


Why Use JavaScript If It Cannot Be Relied On?


JavaScript in a Web Page and Essential Syntax


JavaScript Syntax


Code Execution


An Aside About Functions


Objects


Simple JavaScript Example


Summary



Data and Decisions


Data, Data Types, and Data Operators


The String Data Type


Operators


JavaScript Variables


Converting Different Types of Data


The Composite Data Types: Array and Object


Objects JavaScript Supplies You with: String, Date,


and Math


Arrays


The Array Object's Methods and Properties


Making Decisions in JavaScript


The Logical and Comparison Operators


Conditional Statements


Testing Multiple Values: the switch Statement


Repeating Things: Loops


Summary



From DHTML to DOM Scripting


JavaScript As "the Behavior Layer"


Object Detection vs. Browser Dependence


Progressive Enhancement


JavaScript and Accessibility


Good Coding Practices


Naming Conventions


Code Layout


Commenting


Functions


Short Code via Ternary Operator


Sorting and Reuse of Functions


Variable and Function Scope


Keeping Scripts Safe with the Object Literal


Summary



HTML and JavaScript


The Anatomy of an HTML Document


Providing Feedback in Web Pages via JavaScript:


The Old School Ways


Using window Methods: prompt(), alert(),


and confirm()


Accessing the Document via the DOM


Of Children, Parents, Siblings, and Values


From the Parents to the Children


From the Children to the Parents


Among Siblings


Changing Attributes of Elements


Creating, Removing, and Replacing Elements


Avoiding NOSCRIPT


Shortening Your Scripts via InnerHTML


DOM Summary: Your Cheat Sheet


DOMhelp: Our Own Helper Library


Summary



Presentation and Behavior (CSS and Event Handling) . . 123


Changing the Presentation Layer via JavaScript


Helping the CSS Designer


Changing the Document's Behavior via Event Handling


Events in the W3C-Compliant World


Fixing Events for the Non-W3C-Compliant World


Never Stop Optimizing


The Ugly Page Load Problem and Its Ugly Solutions


Reading and Filtering Keyboard Entries


The Dangers of Event Handling


Summary



Common Uses of JavaScript: Images and Windows


Images and JavaScript


Basics of Image Scripting


Preloading Images


Rollover Effects


Slide Shows


Summary of Images and JavaScript


Windows and JavaScript


Window Properties


Window Methods


Summary: Windows and JavaScript


Summary



JavaScript and User Interaction: Navigation and Forms


Navigation and JavaScript


The Fear of the Page Reload


Basics of Navigation and JavaScript


Browser Navigation


In-Page Navigation


Site Navigation


Pagination


Summary of Navigation with JavaScript


Forms and JavaScript


Basics of Forms with JavaScript


Form Elements


Interactive Forms: Hiding and Showing Dependent Elements


Custom Form Elements


Summary of Forms and JavaScript


Summary



Back-End Interaction with Ajax


Household Cleaning Liquid, Football Club, or Flash Gordon's


Spacecraft: What Is Ajax?


Et Tu, Cache?


Putting the X Back into Ajax


Replacing XML with JSON


Using Server-Side Scripts to Reach Third-Party Content


XHR on Slow Connections


A Larger Ajax Example: Connected Select Boxes


Optional Dynamic Ajax Menus


Summary



Data Validation Techniques


Pros and Cons of Client-Side JavaScript Validation


A Quick Reminder About Protecting Content with JavaScript


The One-Size-Fits-All Validation Myth


Basic JavaScript Validation with String and Numeric Methods


String Validation Methods


Numeric Validation Methods


Regular Expressions


Syntax and Attributes


Wildcard Searches, Constraining Scope, and Alternatives


Restricting the Number of Characters with Quantifiers


Word Boundaries, Whitespace, and Other Shortcuts


Methods Using Regular Expressions


The Power of Parenthesis Grouping


Regular Expression Resources


Summary of Validation Methods


Form Validation Techniques


Designating Mandatory Fields


The Hidden Field Method


The Indicator Element Method


The CSS Classes Method


The Custom Attribute Method


Failures of These Methods


Sharing Validation Rules


Giving Users Validation Feedback


Showing a List of Erroneous Fields


Replacing the Main Form with a Clickable Error Message


Highlighting Erroneous Fields Individually


Instant Validation Feedback


Other Dynamic Validation Methods


Summary



Modern JavaScript Case Study: A Dynamic Gallery


Basics of Thumbnail Galleries


What Is a Thumbnail Gallery and What Should It Do?


Static Thumbnail Galleries


Faking Dynamic Galleries with JavaScript


Displaying Captions


Dynamic Thumbnail Galleries


Creating an Image Badge from a Folder


Summary



Using Third-Party JavaScript


What the Web Offers You


Code Snippets, RSS Feeds, APIs, and Libraries


RSS Feeds and REST APIs


Examples of REST APIs


Using a Library: Short, Shorter, jQuery


Dangers of jQuery and Other Libraries Using Their


Own Syntax


Using an API: Adding a Map to Your Site with Google Maps


Full Service: The Yahoo Developer Network and User


Interface Library


Bouncy Headlines Using YUI


Replacing Pop-Up Windows Using the YUI Connection


Manager and Container Components


Yahoo User Interface Library Summary


Summary


Appendix


Debugging JavaScript


Common JavaScript Mistakes


Misspellings and Case-Sensitivity Issues


Trying to Access Undefined Variables


Incorrect Number of Closing Braces and Parentheses


Concatenation Gone Wrong


Assigning Instead of Testing the Value of a Variable


Tracing Errors with alert() and "Console" Elements


Error Handling with try and catch()


Sequential Uncommenting


Error Reporting in Browsers


Microsoft Internet Explorer 6


Safari


Opera 8.5


Firefox 1.5.0.3


JSLint and JSUNIT


Summary


Index