ACKNOWLEDGMENTS ..................................................................................... xi
ABOUT THE AUTHOR .................................................................................... xiii
CHAPTER 1: Introduction ................................................................................ 1
Introduction .............................................................................................................1
Benefi ts of Web Applications .............................................................................1
Challenges to Designing Interfaces for Web Applications .........................5
Design Patterns ....................................................................................................9
Documenting Patterns ......................................................................................10
Organization of the Patterns in This Book ....................................................11
Using Patterns in This Book .............................................................................14
Companion Web Site..........................................................................................14
CHAPTER 2: Forms ........................................................................................ 15
Introduction ..........................................................................................................15
Clear Benefi ts ......................................................................................................16
Short Forms .........................................................................................................18
Logical Grouping ................................................................................................ 22
Label Alignment .................................................................................................24
Required Field Indicators ................................................................................ 27
Smart Defaults ...................................................................................................30
Forgiving Format ............................................................................................... 32
Keyboard Navigation ........................................................................................34
Input Hints/Prompts ..........................................................................................37
Action Buttons ...................................................................................................40
Error Messages ..................................................................................................45
CHAPTER 3: User Authentication ...............................................................49
Introduction .........................................................................................................49
Registration.........................................................................................................49
CAPTCHA ............................................................................................................58
Log In .....................................................................................................................61
Log Out ................................................................................................................69
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