Callum Macrae

Learning from jQuery (eBook, PDF)

Building on Core Skills

• Format: PDF

Produktbeschreibung

If youre comfortable with jQuery but a bit shaky with JavaScript, this concise guide will help you expand your knowledge of the languageespecially the code that jQuery covers up for you. Many jQuery devotees write as little code as possible, but with some JavaScript under your belt, you can prevent errors, reduce overhead, and make your application code more efficient.This book explores event handling, prototypes, and working with the DOM and AJAX through examples and lots of code. Youll learn common conventions and patterns in JavaScript andif youve never coded with JavaScript beforea tutorial will take you through the basics.Enhance your jQuery code by using object constructors and prototypesReduce overhead and gain more control by handling events with JavaScriptWork with the DOM much faster with JavaScript than you can with jQuerySend a few AJAX requests without having to load the entire jQuery libraryUnderstand the importance of JavaScript code standards, comments, code reuse, and anti-patternsEnlist JavaScript resources, such as a good IDE, a syntax checker, and version control

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Produktdetails

• Verlag: O'Reilly Media
• Seitenzahl: 116
• Erscheinungstermin: 30. Januar 2013
• Englisch
• ISBN-13: 9781449335175
• Artikelnr.: 38310868

Autorenporträt

Callum Macrae is a professional JavaScript developer based in the UK. He regularly contributes JavaScript related patches to open source projects, including phpBB and jQuery++. When not coding or writing, he spends most of his time drumming or cycling.

Inhaltsangabe

Preface
Who This Book Is For
Who This Book Isn't For
Conventions Used in This Book
Using Code Examples
Safari® Books Online
How to Contact Us
Acknowledgments
Chapter 1: Event Handling
1.1 Listening for Events
1.2 Event Propagation
1.3 Triggering Events
1.4 Removing Event Handlers
1.5 Adding a "Once Only" Event Listener
1.6 Summary
Chapter 2: Constructors and Prototypes
2.1 Constructors
2.2 Prototypes
2.3 Summary
Chapter 3: DOM Traversal and Manipulation
3.1 Selecting an Element
3.2 Selecting Children
3.3 Selecting the Next Element
3.4 Creating an Element
3.5 Modifying an Existing Element
3.6 Cycling Through Elements
3.7 Moving and Copying Elements
3.8 Summary
Chapter 4: AJAX
4.1 Sending an AJAX Request
4.2 Debugging
4.3 Sending POST Requests in JavaScript
4.4 Writing a Wrapper Function
4.5 A Simple Application of AJAX
4.6 Designing a Site with AJAX
4.7 Summary
Chapter 5: JavaScript Conventions
5.1 Writing JavaScript
5.2 Literals Notation
5.3 Optimizations
5.4 Functions
5.5 Code Reuse
5.6 Common Antipatterns
5.7 Common Design Patterns
5.8 Summary
JavaScript Basics
Hello World!
Comments
Variables
Numbers
Functions
Objects
Finding the Type of a Variable
Arrays
Looping
Conditional Statements
Delays
Regular Expressions
Error Handling
Summary
JavaScript Resources
A Good IDE
GitHub
JSHint
JSPerf
Mozilla Developer Network
Pastebins
Version Control Software
Colophon