JavaScript & DHTML Cookbook

Preface; About You; About the Recipes; What's in This Book; Browser Platforms; Conventions Used in This Book; Using Code Examples; Request for Comments; Safari?? Enabled; Acknowledgments; Chapter 1: Strings; 1.0 Introduction; 1.1 Concatenating (Joining) Strings; 1.2 Improving String Handling Performance; 1.3 Accessing Substrings; 1.4 Changing String Case; 1.5 Testing Equality of Two Strings; 1.6 Testing String Containment Without Regular Expressions; 1.7 Testing String Containment with Regular Expressions; 1.8 Searching and Replacing Substrings; 1.9 Using Special and Escaped Characters; 1.10 Reading and Writing Strings for Cookies; 1.11 Converting Between Unicode Values and String Characters; 1.12 Encoding and Decoding URL Strings; 1.13 Encoding and Decoding Base64 Strings; Chapter 2: Numbers and Dates; 2.0 Introduction; 2.1 Converting Between Numbers and Strings; 2.2 Testing a Number's Validity; 2.3 Testing Numeric Equality; 2.4 Rounding Floating-Point Numbers; 2.5 Formatting Numbers for Text Display; 2.6 Converting Between Decimal and Hexadecimal Numbers; 2.7 Generating Pseudorandom Numbers; 2.8 Calculating Trigonometric Functions; 2.9 Creating a Date Object; 2.10 Calculating a Previous or Future Date; 2.11 Calculating the Number of Days Between Two Dates; 2.12 Validating a Date; Chapter 3: Arrays and Objects; 3.0 Introduction; 3.1 Creating a Simple Array; 3.2 Creating a Multidimensional Array; 3.3 Converting Between Arrays and Strings; 3.4 Doing Something with the Items in an Array; 3.5 Sorting a Simple Array; 3.6 Combining Arrays; 3.7 Dividing Arrays; 3.8 Creating a Custom Object; 3.9 Simulating a Hash Table for Fast Array Lookup; 3.10 Doing Something with a Property of an Object; 3.11 Sorting an Array of Objects; 3.12 Customizing an Object's Prototype; 3.13 Converting Arrays and Custom Objects to Strings; 3.14 Using Objects to Reduce Naming Conflicts; Chapter 4: Variables, Functions, and Flow Control; 4.0 Introduction; 4.1 Creating a JavaScript Variable; 4.2 Creating a Named Function; 4.3 Nesting Named Functions; 4.4 Creating an Anonymous Function; 4.5 Delaying a Function Call; 4.6 Branching Execution Based on Conditions; 4.7 Handling Script Errors Gracefully; 4.8 Improving Script Performance; Chapter 5: Browser Feature Detection; 5.0 Introduction; 5.1 Detecting the Browser Brand; 5.2 Detecting an Early Browser Version; 5.3 Detecting the Internet Explorer Version; 5.4 Detecting the Mozilla Version; 5.5 Detecting the Safari Version; 5.6 Detecting the Opera Version; 5.7 Detecting the Client Operating System; 5.8 Detecting Object Support; 5.9 Detecting Object Property and Method Support; 5.10 Detecting W3C DOM Standard Support; 5.11 Detecting the Browser Written Language; 5.12 Detecting Cookie Availability; 5.13 Defining Browser- or Feature-Specific Links; 5.14 Testing on Multiple Browser Versions; Chapter 6: Managing Browser Windows; 6.0 Introduction; 6.1 Living with Browser Window Control Limitations; 6.2 Setting the Main Window's Size; 6.3 Positioning the Main Window; 6.4 Maximizing the Main Window; 6.5 Creating a New Window; 6.6 Bringing a Window to the Front; 6.7 Communicating with a New Window; 6.8 Communicating Back to the Main Window; 6.9 Using Internet Explorer Modal/Modeless Windows; 6.10 Simulating a Cross-Browser Modal Dialog Window; 6.11 Simulating a Window with Layers; Chapter 7: Managing Multiple Frames; 7.0 Introduction; 7.1 Creating a Blank Frame in a New Frameset; 7.2 Changing the Content of One Frame from Another; 7.3 Changing the Content of Multiple Frames at Once; 7.4 Replacing a Frameset with a Single Page; 7.5 Avoiding Being "Framed" by Another Site; 7.6 Ensuring a Page Loads in Its Frameset; 7.7 Reading a Frame's Dimensions; 7.8 Resizing Frames; 7.9 Setting Frameset Specifications Dynamically; Chapter 8: Dynamic Forms; 8.0 Introduction; 8.1 Auto-Focusing the First Text Field; 8.2 Performing Common Text Field Validations; 8.3 Preventing Form Submission upon Validation Failure; 8.4 Auto-Focusing an Invalid Text Field Entry; 8.5 Using a Custom Validation Object; 8.6 Changing a Form's Action; 8.7 Blocking Submissions from the Enter Key; 8.8 Advancing Text Field Focus with the Enter Key; 8.9 Submitting a Form by an Enter Key Press in Any Text Box; 8.10 Disabling Form Controls; 8.11 Hiding and Showing Form Controls; 8.12 Allowing Only Numbers (or Letters) in a Text Box; 8.13 Auto-Tabbing for Fixed-Length Text Boxes; 8.14 Changing select Element Content; 8.15 Copying Form Data Between Pages; Chapter 9: Managing Events; 9.0 Introduction; 9.1 Equalizing the IE and W3C Event Models; 9.2 Initiating a Process After the Page Loads; 9.3 Appending Multiple Load Event Handlers; 9.4 Determining the Coordinates of a Click Event; 9.5 Preventing an Event from Performinnnnnng Its Default Behavior; 9.6 Blocking Duplicate Clicks; 9.7 Determining Which Element Received an Event; 9.8 Determining Which Mouse Button Was Pressed; 9.9 Reading Which Character Key Was Typed; 9.10 Reading Which Noncharacter Key Was Pressed; 9.11 Determining Which Modifier Keys Were Pressed During an Event; 9.12 Determining the Element the Cursor Rolled From/To; 9.13 Synchronizing Sounds to Events; Chapter 10: Page Navigation Techniques; 10.0 Introduction; 10.1 Loading a New Page or Anchor; 10.2 Keeping a Page Out of the Browser History; 10.3 Using a select Element for Navigation; 10.4 Passing Data Between Pages via Cookies; 10.5 Passing Data Between Pages via Frames; 10.6 Passing Data Between Pages via URLs; 10.7 Creating a Contextual (Right-Click) Menu; 10.8 Creating Drop-Down Navigation Menus; 10.9 Providing Navigation Trail Menus; 10.10 Creating Expandable Menus; 10.11 Creating Collapsible XML Menus; Chapter 11: Managing Style Sheets; 11.0 Introduction; 11.1 Assigning Style Sheet Rules to an Element Globally; 11.2 Assigning Style Sheet Rules to a Subgroup of Elements; 11.3 Assigning Style Sheet Rules to an Individual Element; 11.4 Importing External Style Sheets; 11.5 Importing Browser-or Operating System-Specific Style Sheets; 11.6 Changing Imported Style Sheets After Loading; 11.7 Enabling/Disabling Style Sheets; 11.8 Toggling Between Style Sheets for an Element; 11.9 Overriding a Style Sheet Rule; 11.10 Turning Arbitrary Content into a Styled Element; 11.11 Creating Center-Aligned Body Elements; 11.12 Reading Effective Style Sheet Property Values; 11.13 Forcing Recent Browsers into Standards-Compatibility Mode; Chapter 12: Visual Effects for Stationary Content; 12.0 Introduction; 12.1 Precaching Images; 12.2 Swapping Images (Rollovers); 12.3 Reducing Rollover Image Downloads with JavaScript; 12.4 Reducing Rollover Image Downloads with CSS; 12.5 Dynamically Changing Image Sizes; 12.6 Changing Text Style Properties; 12.7 Offering Body Text Size Choices to Users; 12.8 Creating Custom Link Styles; 12.9 Changing Page Background Colors and Images; 12.10 Hiding and Showing Elements; 12.11 Adjusting Element Transparency; 12.12 Creating Transition Visual Effects; 12.13 Drawing Charts in the Canvas Element; Chapter 13: Positioning HTML Elements; 13.0 Introduction; 13.1 Making an Element Positionable in the Document Space; 13.2 Connecting a Positioned Element to a Body Element; 13.3 Controlling Positioning via a DHTML JavaScript Library; 13.4 Deciding Between div and span Containers; 13.5 Adjusting Positioned Element Stacking Order (Z-order); 13.6 Centering an Element on Top of Another Element; 13.7 Centering an Element in a Window or Frame; 13.8 Determining the Location of a Nonpositioned Element; 13.9 Animating Straight-Line Element Paths; 13.10 Animating Circular Element Paths; 13.11 Creating a Draggable Element; 13.12 Scrolling div Content; 13.13 Creating a Custom Scrollbar; 13.14 Creating a Slider Control; Chapter 14: Creating Dynamic Content; 14.0 Introduction; 14.1 Writing Dynamic Content During Page Loading; 14.2 Creating New Page Content Dynamically; 14.3 Including External HTML Content; 14.4 Embedding XML Data; 14.5 Embedding Data As JavaScript Objects; 14.6 Transforming XML Data into HTML Tables; 14.7 Transforming JavaScript Objects into HTML Tables; 14.8 Converting an XML Node Tree to JavaScript Objects; 14.9 Creating a New HTML Element; 14.10 Creating Text Content for a New Element; 14.11 Creating Mixed Element and Text Nodes; 14.12 Inserting and Populating an iframe Element; 14.13 Getting a Reference to an HTML Element Object; 14.14 Referencing All Elements of the Same Class; 14.15 Replacing Portions of Body Content; 14.16 Removing Body Content; 14.17 Using XMLHttpRequest for a REST Request; 14.18 Using XMLHttpRequest for a SOAP Call; 14.19 Sorting Dynamic Tables; 14.20 Walking the Document Node Tree; 14.21 Capturing Document Content; Chapter 15: Dynamic Content Applications; 15.0 Introduction; 15.1 Displaying a Random Aphorism; 15.2 Converting a User Selection into an Arbitrary Element; 15.3 Automating the Search-and-Replace of Body Content; 15.4 Designing a User-Editable Content Page; 15.5 Creating a Slide Show; 15.6 Auto-Scrolling the Page; 15.7 Greeting Users with Their Time of Day; 15.8 Displaying the Number of Days Before Christmas; 15.9 Displaying a Countdown Timer; 15.10 Creating a Calendar Date Picker; 15.11 Displaying an Animated Progress Bar; Appendix A: Keyboard Event Character Values; Appendix B: Keyboard Key Code Values; Appendix C: ECMAScript Reserved Keywords; Colophon;