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Full Description
This book provides a developer-level introduction along with more advanced and useful features of JavaScript.
Coverage includes: * JavaScript use with HTML to create dynamic webpages, language concepts including syntax and flow control statements * variable handling given their loosely typed nature * built-in reference types such as object and array * object-oriented programing * powerful aspects of function expressions * Browser Object Model allowing interaction with the browser itself * detecting the client and its capabilities * Document Object Model (DOM) objects available in DOM Level 1 * how DOM Levels 2 and 3 augmented the DOM * events, legacy support, and how the DOM redefined how events should work * enhancing form interactions and working around browser limitations * using the tag to create on-the-fly graphics * JavaScript API changes in HTML5 * how browsers handle JavaScript errors and error handling * features of JavaScript used to read and manipulate XML data * the JSON data format as an alternative to XML * Ajax techniques including the use of XMLHttpRequest object and CORS * complex patterns including function currying, partial function application, and dynamic functions * offline detection and storing data on the client machine * techniques for JavaScript in an enterprise environment for better maintainability This book is aimed at three groups of readers: Experienced object-oriented programming developers looking to learn JavaScript as it relates to traditional OO languages such as Java and C++; Web application developers attempting to enhance site usability; novice JavaScript developers.
Nicholas C. Zakas worked with the Web for over a decade. He has worked on corporate intranet applications used by some of the largest companies in the world and large-scale consumer websites such as MyYahoo! and the Yahoo! homepage. He regularly gives talks at companies and conferences regarding front-end best practices and new technology.
Contents
FOREWORD xxxi INTRODUCTION xxxiii CHAPTER 1: WHAT IS JAVASCRIPT? 1 CHAPTER 2: JAVASCRIPT IN HTML 13 CHAPTER 3: LANGUAGE BASICS 25 CHAPTER 4: VARIABLES, SCOPE, AND MEMORY 85 CHAPTER 5: REFERENCE TYPES 103 CHAPTER 6: OBJECT-ORIENTED PROGRAMMING 173 CHAPTER 7: FUNCTION EXPRESSIONS 217 CHAPTER 8: THE BROWSER OBJECT MODEL 239 CHAPTER 9: CLIENT DETECTION 271 CHAPTER 10: THE DOCUMENT OBJECT MODEL 309 CHAPTER 11: DOM EXTENSIONS 357 CHAPTER 12: DOM LEVELS 2 AND 3 381 CHAPTER 13: EVENTS 431 CHAPTER 14: SCRIPTING FORMS 511 CHAPTER 15: GRAPHICS WITH CANVAS 551 CHAPTER 16: HTML5 SCRIPTING 591 CHAPTER 17: ERROR HANDLING AND DEBUGGING 607 CHAPTER 18: XML IN JAVASCRIPT 641 CHAPTER 19: ECMASCRIPT FOR XML 671 CHAPTER 20: JSON 691 CHAPTER 21: AJAX AND COMET 701 CHAPTER 22: ADVANCED TECHNIQUES 731 CHAPTER 23: OFFLINE APPLICATIONS AND CLIENT-SIDE STORAGE 765 CHAPTER 24: BEST PRACTICES 801 CHAPTER 25: EMERGING APIS 835 APPENDIX A: ECMASCRIPT HARMONY 857 APPENDIX B: STRICT MODE 877 APPENDIX C: JAVASCRIPT LIBRARIES 885 APPENDIX D: JAVASCRIPT TOOLS 891 INDEX 897
