jQuery, jQuery UI, and jQuery Mobile

Adriaan de Jonge is a consultant for Xebia IT Architects in The Netherlands. Adriaan specializes in Internet, content management, and Java. He is interested in new technologies like MongoDB, Node.js, HTML5, and various cloud computing platforms. Adriaan is also the author of Essential App Engine (Addison-Wesley, 2012) and several articles for IBM developerWorks on Java, XML, and Internet technologies. He was a conference speaker at JFall 2011 and the Scandinavian Developer Conference in 2012.   Phil Dutson is the lead front-end developer for ICON Health and Fitness. He has worked on projects and solutions for NordicTrack, ProForm, Freemotion, Sears, Costco, Sam’s Club and others. Phil cofounded and currently manages The E-Com DevBlog, a development blog focused on web development and solutions. To learn more visit dev.tonic1394.com. He is also the author of Sams Teach Yourself jQuery Mobile in 24 Hours (Sams, 2013).

Preface xix

Acknowledgments xxiii

About the Author xxv



 

Part I: Core 1



  Chapter 1: Getting Started with jQuery 3



Recipe: Introducing the Basic Usage of jQuery 3

Recipe: Using jQuery with Other Libraries 6

Recipe: Determining the jQuery Version 7

Recipe: Iterating Arrays with each() 8

Recipe: Manipulating Arrays by Using map() 9

Recipe: Working with Arrays of Elements 10

Recipe: Getting the Position of an Element by Using index() 12

Recipe: Finding Elements in an Array by Using grep() 13

Recipe: Determining the Size of an Element Set by Using length() 14

Recipe: Retrieving HTML5 data- Attributes 15

Recipe: Storing Element Data by Using data() 16

Recipe: Removing Element Data by Using removeData() 18

Recipe: Testing and Manipulating Variables 19

Recipe: Extending Objects by Using extend() 22

Recipe: Serializing the Data in a Form 24

Recipe: Testing Browsers for Feature Support 25

Summary 26

 

Chapter 2: Selecting Elements 27



Recipe: Combining Two Element Sets by Using add() 27

Recipe: Refining the Selection by Using filter() 28

Recipe: Selecting Descendants by Using find() and children() 29

Recipe: Selecting Elements by Using

has() and Testing by Using is() 31

Recipe: Selecting Form Elements by

Using Pseudo-Selectors 32

Recipe: Nesting Selectors 33

Recipe: Emulating a CSS Hover Selector 34

Recipe: Selecting on Text by Using contains() 35

Example: Highlighting a Single Word 36

Recipe: Creating Custom Selectors 37

Recipe: Scoping the Selection Context 39

Summary 40

 

Chapter 3: Modifying the Page 41



Recipe: Adding Classes 41

Example: Removing Classes 42

Recipe: Generating Class Names 43

Recipe: Changing Properties and Attributes 45

Recipe: Changing the HTML Contained within an Element 46

Recipe: Adding Content by Using append() and appendTo() 48

Example: Appending the Outcome of a Function 49

Recipe: Adding Content by Using prepend() and prependTo() 50

Recipe: Generating HTML Dynamically

by Using jQuery 51

Recipe: Attaching and Detaching Elements 53

Recipe: Copying Elements by Using clone() 54

Recipe: Inserting Elements at Specific Positions 56

Example: Moving Items Up and Down the List 58

Recipe: Removing Elements 60

Recipe: Wrapping and Unwrapping Elements 61

Summary 64

 

Chapter 4: Listening and Responding to Events 65



Recipe: Listening to Mouse Events 65 Example: Drawing on a Canvas 67

Recipe: Listening to Keyboard Events 69

Recipe: Listening to Form Events 70

Recipe: Listening to Scroll Events 72

Recipe: Adding Central Event Listeners by Using live() and die() 73

Recipe: Delegating Events to Specific Ancestor Elements by Using delegate() 75

Recipe: Changing the Execution Context of a Function by Using proxy() 78

Summary 80

 

Chapter 5: Communicating with the Server 81



Recipe: Setting Up an Example Server in Node.js 81

Recipe: Performing a GET Request 83

Recipe: Loading HTML Directly 85

Recipe: Handling the Result by Using Promises 86

Recipe: Handling Server Errors 87

Recipe: Catching Page-not-Found Results 89

Recipe: Handling Page Redirects 90

Recipe: Setting Request Timeouts 91

Recipe: Passing HTTP Headers 93

Example: Validating Form Input on the Server Side 94

Recipe: Loading XML 96

Recipe: Listening to AJAX Events 97

Recipe: Reading JSONP from an External Server 98

Summary 100

 

Part II: UI 101



  Chapter 6: Interacting with the User 103



Downloading and Installing jQuery UI 103

Recipe: Dragging Elements 104

Recipe: Dropping Elements 111

Recipe: Changing the Order of Elements by Using Sortable 116

Example: Sorting Elements in a Tree Structure 123

Recipe: Selecting Elements in an Unordered List 124

Example: Selecting Elements in a Tree Structure 128

Recipe: Resizing Elements 130

Summary 134

 

Chapter 7: Interacting with Widgets 135Recipe: Grouping Content by Using the Accordion 135

Recipe: Suggesting Input Values by Using Autocomplete 142

Recipe: Transforming Elements into Buttons 147

Example: Styling Radio Buttons by Using a Buttonset 151

Recipe: Choosing Dates by Using the Datepicker 152

Recipe: Attracting Attention with the Dialog 160

Recipe: Displaying Status of a Process by Using the Progressbar 168

Recipe: Retrieving Numbers by Using a Slider 170

Recipe: Navigating a Page by Using Tabs 174

Summary 181

 

Part III: Mobile 183



  Chapter 8: Changing the Look and Feel 185



Changing the Styling of jQuery UI Components 185

Creating Animations by Using jQuery Core 186

Recipe: Animating Colors by Using jQuery UI 187

Recipe: Hiding Elements by Using Fade and Slide in jQuery Core 189

Recipe: Adding Graphical Effects by Using jQuery UI 191

Recipe: Animating Addition and Removal of CSS Classes by Using jQuery UI 192

Recipe: Displaying all Easing Functions in jQuery UI as Charts 194

Recipe: Displaying All Icons in jQuery UI 196

Recipe: Executing Code at the End of an Animation with a Promise 198

Recipe: Executing Code Within Animations by Using Queue and Dequeue 200

Summary 202

 

Chapter 9: Navigating Pages by Using jQuery Mobile 203



Recipe: Setting Up jQuery Mobile Basics 203 Recipe: Serving Multiple Pages from a Single HTML File 205

Recipe: Changing the Title Element 206

Recipe: Loading External Pages Using AJAX 208

Recipe: Displaying Page Loading Messages 210

Recipe: Linking to External Pages without AJAX 212

Recipe: Specifying the Transition Animation 213

Recipe: Specifying Custom Transition Animations 214

Recipe: Listening to Mobile Events 217

Recipe: Generating Back Buttons 221

Recipe: Adding Footers to the Bottom of the Page 223

Recipe: Fixing the Footer Across Pages 225

Recipe: Keeping the Footer in a Fixed Position 227

Recipe: Hiding and Showing the Footer 229

Recipe: Optimizing Headers and Footers for Fullscreen View 231

Recipe: Changing Color Schemes with Themes 232

Recipe: Using Multiple Columns 234

Recipe: Changing Pages by Using JavaScript Calls 236

Recipe: Loading Pages by Using JavaScript Calls 239

Recipe: Attaching Data to DOM Nodes in jQuery Mobile 241

Recipe: Utilizing jQuery Mobile Helper Functions 242

Summary 246

 

Chapter 10: Interacting with jQuery Mobile 249



Recipe: Displaying Toolbars Inline in Content 249

Recipe: Displaying a Warning Bar 250

Recipe: Adding Menu Bars to Footer Elements 252

Recipe: Navigating with a Navigation Bar 253

Recipe: Showing and Hiding Elements by Using Collapsible 257

Recipe: Adding Accordion Behavior by Using Collapsible Sets 258

Recipe: Acquiring Basic Text Input by Using Form Fields 260

Recipe: Acquiring Calendar-Based Input 261

Recipe: Displaying Input Fields by Using Alternative Keyboards 263

Recipe: Displaying Specialized Input Fields 265

Recipe: Acquiring Integers by Using Sliders 267

Recipe: Setting Binaries with Flip Switches 268

Recipe: Selecting a Single Element by Using Radio Buttons 269

Recipe: Selecting Multiple Elements by Using Check Boxes 271

Recipe: Selecting Elements from Drop-Down Lists 273

Recipe: Displaying Native Forms by Using jQuery

Mobile Off 276

Recipe: Displaying Lists of Elements 278

Recipe: Filtering List Elements 286

Recipe: Grouping Form Elements in Lists 288

Summary 289

 

Part IV: Plugins 291



  Chapter 11: Creating Plugins 293



Recipe: Setting Up a Simple Static Plugin 293

Recipe: Creating Simple Context-Aware Plugins 295

Recipe: Chaining jQuery Functions and Plugins 296

Recipe: Parameterizing Plugins 297

Recipe: Providing Default Parameters 299

Recipe: Operating the Plugin by Using Methods 300

Recipe: Creating a Plugin that Creates Plugins 303

Recipe: Registering and Invoking Callback Functions 306

Recipe: Passing Context to Callback Functions 308

Recipe: Returning Deferred Objects to Call Separate Callbacks on Success and on Error 309

Recipe: Returning a Promise to Protect Internals 311

Recipe: Demonstrating the Promise(d) Protection 312

Recipe: Using Promise to Control Flow Structures 314

Recipe: Visualizing Progress Before the Final Callback 315

Recipe: Providing Context to Callback Functions 317

Recipe: Providing a Context to Progress Functions 319

Summary 320

 

Chapter 12: Working with Third-Party Plugins 323



Recipe: Displaying a Modal 323 Recipe: Using a Drop-Down Menu 326

Recipe: Using ScrollSpy 328

Recipe: Toggling Tabs 331

Recipe: Adding Tooltips 333

Recipe: Adding a Popover 334

Recipe: Alerting the User 336

Recipe: Button Control 338

Recipe: Collapsing Content 341

Recipe: Putting Content in a Carousel 344

Recipe: Using typeahead for Autocomplete 347

Summary 349

 

Index 351