Professional JavaScript for Web Developers

Update and upgrade your JavaScript skillset for ES 2023 with the ultimate JavaScript guide for pros Professional JavaScript for Web Developers, 5th edition, is the gold-standard in intermediate-to-advanced JavaScript programming development books. The author dives directly into the inner workings of JavaScript to help you clean up your code and become a more sophisticated and talented JavaScript developer. From object-oriented programming and inheritance to combining JavaScript with HTML and other markup languages, expert computer engineer Matt Frisbie walks you through everything you need to know to level-up your JavaScript game. This new edition is updated to include ECMAScript 2023 and later standard releases, the most useful techniques, and a relentless focus on code that works seamlessly in mobile web browsers and with the latest common frameworks and libraries. With this book, you will: Get up to date with ECMAScript 2023 Get acquainted with the newest frameworks and libraries Explore advanced topics such as web animation, workers, and the latest APIs Get a head start on future ES releases Learn to use modern syntax and best practices Understand how to optimize performance in JavaScript applications Master asynchronous programming patterns using promises, generators, and async/await Perfect for those who think they already know JavaScript “pretty well,” Professional JavaScript for Web Developers, 5th edition, is the pro-level update that intermediate and advanced web developers have been waiting for.

FOREWORD xliii INTRODUCTION xlv CHAPTER 1: WHAT IS JAVASCRIPT? 1 CHAPTER 2: JAVASCRIPT IN HTML 9 CHAPTER 3: LANGUAGE BASICS 19 CHAPTER 4: VARIABLES, SCOPE, AND MEMORY 97 CHAPTER 5: BASIC REFERENCE TYPES 119 CHAPTER 6: ADVANCED REFERENCE TYPES 159 CHAPTER 7: ITERATORS AND GENERATORS 217 CHAPTER 8: OBJECTS, CLASSES, AND OBJECT'ORIENTED PROGRAMMING 251 CHAPTER 9: PROXIES AND REFLECT 323 CHAPTER 10: FUNCTIONS 349 CHAPTER 11: PROMISES AND ASYNC/AWAIT 383 CHAPTER 12: THE BROWSER OBJECT MODEL 435 CHAPTER 13: THE DOCUMENT OBJECT MODEL 459 CHAPTER 14: DOM EXTENSIONS 507 CHAPTER 15: EVENTS 557 CHAPTER 16: ANIMATION AND GRAPHICS WITH CANVAS 609 CHAPTER 17: SCRIPTING FORMS 645 CHAPTER 18: JAVASCRIPT APIs 675 CHAPTER 19: ERROR HANDLING AND DEBUGGING 765 CHAPTER 20: JSON 791 CHAPTER 21: NETWORK REQUESTS AND REMOTE RESOURCES 801 CHAPTER 22: CLIENT'SIDE STORAGE 839 CHAPTER 23: MODULES 861 CHAPTER 24: WORKERS 887 CHAPTER 25: BEST PRACTICES 955 APPENDIX A: ES.NEXT 987 APPENDIX B: STRICT MODE 991 APPENDIX C: JAVASCRIPT LIBRARIES AND FRAMEWORKS 999 APPENDIX D: JAVASCRIPT TOOLS 1005 INDEX 1017