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Learning jQuery: A Hands-on Guide to Building Rich Interactive Web Front Ends
- By Ralph Steyer
- Published Apr 26, 2013 by Addison-Wesley Professional. Part of the Learning series.
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Description
- Copyright 2013
- Edition: 1st
- Book
- ISBN-10: 0-321-81526-2
- ISBN-13: 978-0-321-81526-2
Get started fast with jQuery web programming
The jQuery JavaScript library greatly simplifies the creation of modern, rich web applications, while seamlessly integrating with virtually all leading web development platforms and frameworks. Learning jQuery will guide you through using jQuery, jQuery UI, and jQuery Mobile in your own projects. One step at a time, you’ll learn how to do everything from adding simple effects through building complete rich Internet applications.
This code-rich tutorial is designed for every working web developer. After clearly explaining all the basics, Ralph Steyer shows how to apply jQuery to create effects, animations, slideshows, lists, drag-and-droppable elements, interactive forms, and much more.
If you’re a web developer with even basic JavaScript experience, Learning jQuery is your fastest route to success with jQuery
• Discover what jQuery can do, and how it works with JavaScript and DOM
• Select components to support dynamic processes
• Manipulate web page content and structure
• Apply and change formatting with CSS style sheets through jQuery
• Handle complex events more effectively and reliably
• Generate time-dependent and time-independent CSS effects
• Expand jQuery’s capabilities with plug-ins
• Use jQuery to create simpler, better, more powerful AJAX code
• Master powerful, flexible jQuery UI plug-ins for visual control and user interaction
• Simplify the creation of jQuery UI interfaces with ThemeRoller
• Master basic rules for successfully working with components and widgets
• Construct touch-enabled mobile front ends with jQuery Mobile
Sample Content
Online Sample Chapter
Get Started with jQuery: First Examples
Sample Pages
Download the sample pages (includes Chapter 2 and Index)
Table of Contents
1 Introduction 1
1.1 What Is This Book About? 2
1.1.1 What You Can Learn from This Book 4
1.2 Writing Conventions 5
1.3 Who Is the Target Audience for This Book? 6
1.4 What Do You Need? 6
1.4.1 Hardware and Operating System 6
1.4.2 jQuery and jQuery UI 7
1.4.3 The Browsers 9
1.4.4 Different Operating Systems and Virtual Machines for Testing 10
1.4.5 The Web Server for Realistic Testing 11
1.4.6 The Development Tools 13
1.5 About the Author 16
2 First Examples with jQuery 17
2.1 Accessing Elements and Protecting the DOM 17
2.2 Editing the Web Page with DHTML à la jQuery 22
2.3 Animatedly Reducing and Enlarging of an Element 25
2.4 Changing Attributes Dynamically 28
3 Basic Knowledge 31
3.1 The Web, Web 2.0, and the Client/Server Principle on the Internet 32
3.1.1 Programming on the Web 32
3.1.2 The Web 2.0 33
3.2 JavaScript and Its Relationship to jQuery 33
3.2.1 The General Integration of JavaScript in Websites 34
3.3 AJAX and XMLHttpRequest (XHR) 37
XML 38
JSON 41
More Details on Processing JSON for JavaScript Pros 43
3.4 DOM and Objects 46
3.5 Style Sheets and DHTML 48
3.5.1 CSS: The Web’s Standard Language 48
3.5.2 The Specific Syntax of CSS Declarations 50
3.5.3 Selectors 50
4 How jQuery Works 51
4.1 Accessing Elements of the Web Page 52
4.2 The jQuery Namespace and the jQuery Object 54
4.3 Special Data Types and Structures in jQuery 55
4.3.1 Options 55
4.3.2 Map 56
4.3.3 The Array<Type> Notation 56
4.3.4 jqXHR 57
4.4 The Function jQuery() and the Alias $() 57
4.4.1 The Context 59
4.5 Executing Functions After DOM Has Been Built 60
4.5.1 Callback or Anonymous Function as a Parameter of jQuery() 60
4.5.2 Placing document.ready() into an External JavaScript File 63
4.5.3 Example of Creating a Basic Structure for a Modularized jQuery Web Application 63
4.6 Creating an Element with jQuery() and Inserting It into the Web Page 66
4.6.1 Options for Initializing Attributes 68
4.7 Wrapping Existing Elements with jQuery() 70
4.7.1 Direct Access to DOM elements via get( ) 71
4.8 Using jQuery in Combination with Other Frameworks 72
4.8.1 The Function noConflict() 73
4.9 More About Context 74
4.9.1 context, selector, and nodeName 75
4.10 Chaining jQuery Objects 77
4.10.1 Executing Function Calls Sequentially: The jQuery Queue 78
4.11 New Core Techniques Since Version 1.5 78
4.11.1 jQuery.sub() 78
4.11.2 jQuery.when() 79
4.11.3 Version 1.6: What’s New? 79
attr(), prop(), and removeProp() 80
data() 81
5 Selectors and Filters 83
5.1 The Basics 84
5.1.1 What Is a Selector? 84
5.1.2 What Are Filters? 84
5.1.3 XPath as Basis 85
5.2 The Basic Selectors and the Hierarchical Selectors 86
5.2.1 Examples 88
5.2.2 Potential Pitfalls 97
5.3 Filtering Selectors 99
5.3.1 Basic Filters 99
5.3.2 Content Filters 106
5.3.3 Visibility Filters 109
5.3.4 Child Filters 112
5.3.5 Attribute Filters 114
5.3.6 Filters for Form Elements and Form Filters 118
5.4 Filter Methods 123
5.4.1 eq() 123
5.4.2 not() 123
5.4.3 first() and last() 124
5.4.4 slice() 124
5.4.5 filter() 125
5.4.6 is() 126
5.4.7 map() 127
6 Accessing the Elements of a Web Page 131
6.1 General Info on Checking, Changing, Adding, and Removing Nodes 131
6.2 Checking and Changing Node Contents: html() and text() 132
6.3 Content of Form Fields: val() 135
6.4 Accessing Attributes via attr() 137
6.5 Inserting Nodes into a Web Page 137
6.5.1 append() and prepend() 138
6.5.2 appendTo() and prependTo() 143
6.6 Inserting Nodes Before or After 148
6.6.1 after() and before() 149
6.6.2 insertAfter() and insertBefore() 152
6.7 Wrapping 154
6.7.1 Wrapping Individually with wrap() 154
6.7.2 Wrapping All with wrapAll() 156
6.7.3 Wrapping Inner Areas with wrapInner() 158
6.7.4 Unwrapping with unwrap() 159
6.8 Replacing with replaceWith() and replaceAll() 159
6.8.1 Replacing with replaceWith() 160
6.8.2 Replacing All with replaceAll() 164
6.9 Removing with empty() and remove()/detach() plus removeAttr() 166
6.9.1 The Alternative of remove(): detach() 171
6.9.2 Deleting Attributes 171
6.10 Cloning with clone() 172
6.11 Search and Find 176
6.11.1 Of Children and Parents: children() and parent() plus parents()/parentsUntil() 176
6.11.2 offsetParent() and closest() 180
6.11.3 Siblings 182
6.11.4 Searching Descendants with has() 184
6.12 Finding with find() and contents() 184
6.13 The jQuery Method each() for Iterating over Arrays and Objects 186
6.13.1 jQuery.each() 188
6.13.2 The Method each() 192
6.14 The add() Method 193
6.14.1 The end() and andSelf() Methods 195
6.15 A More Comprehensive Example at the End: A Date Component 196
7 Formatting with Style Sheets Under jQuery 205
7.1 The css() Method 206
7.1.1 Getting Style Properties 206
7.1.2 Setting Properties 207
7.2 Changing Classes of Elements 209
7.2.1 Adding Classes: addClass() 210
7.2.2 Removing Classes: removeClass() 218
7.2.3 Toggling Classes with toggleClass() 219
7.2.4 Testing for a Class: hasClass() 221
7.3 Positioning Methods 223
7.3.1 Determining the Position with position() 224
7.3.2 Position in Relation to the Document: offset() 228
7.4 Scrolling Methods 236
7.5 Height and Width 239
7.5.1 height() and width() 239
7.6 Inner and Outer Dimensions 242
8 Event Handling Under jQuery 247
8.1 Basic Information on Events, Event Handlers, Triggers, and Data Binding 247
8.1.1 Events 247
8.1.2 General Information on Event Handlers 248
8.1.3 HTML Event Handlers 248
8.1.4 JavaScript Event Handler 249
8.1.5 The Event Object 250
8.1.6 Bubbling 251
8.1.7 Data Binding 251
8.1.8 Trigger 252
8.2 The Event Object in jQuery 252
8.2.1 The Constructor of jQuery.Event 252
8.2.2 The Properties of the Event Object jQuery.Event 253
8.2.3 The Methods of an Object of the Type jQuery.Event 256
8.3 Ready, Steady, Go: $(document).ready() 258
8.4 Event Helpers 258
8.5 Expanded Methods for Event Handling 262
8.5.1 The bind() and unbind() Methods 262
8.5.2 The One and Only: one() 266
8.5.3 The Method trigger() 267
8.5.4 triggerHandler() 269
8.5.5 Live Events: The live() and die() Methods plus
delegate() and undelegate() 270
8.5.6 Auxiliary Functions for Interaction 274
9 Effects and Animations 279
9.1 Basic Use 279
9.1.1 Speed Is All You Need 279
9.1.2 Specifying a Callback 280
9.1.3 Chaining 281
9.1.4 Queues 281
9.1.5 Stopping via stop() and jQuery.fx.off 282
9.1.6 Endless Animations 282
9.1.7 Types of Animation 282
9.2 Showing and Hiding: The show() and hide() Methods 283
9.3 Sliding Effects: slideDown(), slideUp(), and slideToggle() 284
9.4 Opacity Effects: fadeIn(), fadeOut(), and fadeTo() (Plus toggle()) 287
9.5 Individual Animations with animate() 289
10 AJAX 297
10.1 AJAX and XMLHttpRequest (XHR) Basics 297
10.1.1 Creating an XMLHttpRequest Object Manually 298
10.1.2 The Methods of an XHR Object 299
10.1.3 The Properties of an XHR Object 300
10.1.4 A Practical Example of Data Request Without Special jQuery Methods 300
10.1.5 The Data Format in an AJAX Communication 302
10.1.6 AJAX Request Process 303
10.2 Special AJAX Support in jQuery 304
10.2.1 JSONP and Remote Requests 304
10.2.2 The jqXHR Object 305
10.2.3 Methods in jQuery for AJAX Requests 305
10.2.4 Specifying the Data Type 305
10.2.5 Avoiding Caching 307
10.3 $.get() and $.post() 307
10.3.1 Just Requesting Plain Text from the Web Server 307
10.3.2 Sending Data to the Web Server via $.get() and $.post() 309
10.3.3 Getting and Parsing XML Data 312
10.4 Getting and Parsing JSON Data: getJSON() and parseJSON() 316
10.4.1 A Simple Application with JSON 316
10.4.2 Requesting Twitter Tweets via JSONP 317
10.5 Loading a Script Later via AJAX:
jQuery.getScript() 320
10.6 The General Variation for Loading Data: load() 322
10.6.1 Specifying Filters 323
10.7 Serializing Data 327
10.7.1 The serialize() Method 327
10.7.2 The serializeArray() Method 329
10.7.3 The General Version: param() 329
10.8 Default Values for AJAX 330
10.9 AJAX Events and AJAX Event Handlers 330
10.9.1 Local Events 330
10.9.2 Global Events 332
10.10 Complete Control 333
10.10.1 jQuery.ajax() 333
10.10.2 A JSONP Request 339
10.10.3 Loading and Executing a JavaScript File 340
10.10.4 Sending Data Plus Evaluating the Success 340
10.10.5 Extended Techniques for $.ajax() 341
11 jQuery UI 345
11.1 What Is jQuery UI? 345
11.1.1 Components for Supporting Interaction 346
11.1.2 Widgets 346
11.1.3 Extended Effects 347
11.1.4 The Theme Framework and ThemeRoller 347
11.2 Getting Started 348
11.3 How Is jQuery UI Used? 349
11.3.1 Downloading and ThemeRoller 349
11.3.2 Using jQuery UI on a Web Page 353
11.3.3 A Sample Web Page for jQuery UI 355
11.4 Using the Components in jQuery UI 355
11.4.1 The Default Setting 356
11.4.2 Some Basic Rules on Components and Widgets 358
11.4.3 Properties/Options of Components 359
11.4.4 Methods of Components 363
11.4.5 Events in Components and Widgets 366
11.5 An Overview of the Components and Widgets 370
11.5.1 The Interaction Components 370
11.5.2 The Widgets 372
11.5.3 Utilities 385
11.6 Effects 385
11.6.1 The effect() Method 385
11.6.2 Color Animations with animate() 386
11.7 A Complete Website Based on jQuery UI 387
12 Plug-Ins 393
12.1 The jQuery Plug-In Page 393
12.1.1 Searching For and Using an Existing Plug-In 394
12.1.2 Validation Plug-Ins 397
12.2 Creating Custom Plug-Ins 405
12.2.1 Why Create Custom Plug-Ins? 405
12.2.2 Creating Your First Plug-In 405
12.2.3 The Main Rules for Creating a Simple Plug-In 409
12.2.4 Rules for Creating More Complex Plug-Ins 409
12.2.5 An Example for a Plug-In with Options 411
12.2.6 Another Example for a Plug-In with Options 413
12.3 Publishing a Plug-In 415
13 jQuery Mobile 417
13.1 Basics 417
13.1.1 The Platforms 419
13.1.2 Downloading and Integrating the Framework 420
13.1.3 Alternatives 421
13.2 The Role System and data-role 422
13.3 The Basic Structure of a Mobile Web Page 422
13.4 Linking Pages 424
13.4.1 External Links via Hijax 424
13.4.2 Internal Links and the Special Interpretation of a Page 425
13.5 The Transitions 428
13.6 Dialogs 428
13.7 Buttons 429
13.7.1 Buttons with Icons 430
13.7.2 Block Element or Inline Element 431
13.7.3 Grouping 431
13.7.4 A Practical Example 432
13.8 Toolbars and Navigation Bars 435
13.9 Lists 439
13.10 Form Elements 443
13.10.1 Field Containers 444
13.10.2 The Various Form Elements 444
13.10.3 Plug-In Methods for Form Elements 447
13.10.4 Sending the Form Data 448
13.11 Special Events 448
13.11.1 Touch Events 448
13.11.2 Orientation Change 448
13.11.3 Scroll Events 449
13.11.4 Page Events 449
13.12 The Theme Framework and General Content Design 452
13.13 Collapsed and Expanded Content 454
Appendix 457
TOC, 9780321815262, 4/10/2013