Download E-book : Learning from jQuery

Download E-book : Learning from jQuery / PDF

1. Event Handling.

Listening for Events 1

Events in jQuery 1

Events in JavaScript 2

Events in Internet Explorer 8 2

Writing a Wrapper Function 3

Adding Event Handlers to Multiple Elements 5

Event Propagation 7

Internet Explorer’s .attachEvent 10

Triggering Events 11

Triggering Events in Internet Explorer 8 13

Writing a Wrapper Function to Trigger Events 13

Removing Event Handlers 14

Removing Event Handlers in Internet Explorer 8 15

Writing a Wrapper Function to Remove Events 15

Adding a “Once Only” Event Listener 16

2. Constructors and Prototypes 

Constructors 19

Method Chaining 20

Constructor, Not Function 21

Prototypes 22

.hasOwnProperty 24

Editing the Prototype of Existing Objects 24

Summary 25

3. DOM Traversal and Manipulation

Selecting an Element 27

Selecting Elements with a CSS Selector 28

Selecting Children 29

Selecting the Next Element 30

Creating an Element 31

Modifying an Existing Element 31

Cycling Through Elements 33

Moving and Copying Elements 33

4. AJAX. 

Sending an AJAX Request 35

Debugging 36

Debugging Sent AJAX Requests 37

Sending POST Requests in JavaScript 37

Writing a Wrapper Function 38

A Simple Application of AJAX 39

Designing a Site with AJAX 41

5. JavaScript Conventions.

Writing JavaScript 43

Comments 43

Coding Standards 46

Literals Notation 50

Object Literals 50

Other Literals 51

Optimizations 51

Algorithms 52

Caching Variables 52

parseInt 53

Loops 53

Minimize Repeated Expressions 54

Functions 54

Declarations Versus Expressions 54

Function Callbacks 55

If Invoking Self-Defining Functions 56

Code Reuse 58

Common Antipatterns 58

Using eval 59

with 59

document.write

Common Design Patterns 60

The Singleton Pattern 61

The Factory Pattern 62

The Iterator Pattern 63

The Facade Pattern 64

Download E-book : Learning from jQuery / PDF