Professional JavaScript for Web Developers (5^th Ed.) Tech Today Series

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

MATT FRISBIE has written four other books, Building Browser Extensions, Professional JavaScript for Web Developers 4th edition, Angular 2 Cookbook, and AngularJS Web Application Development Cookbook. He previously worked at Google and DoorDash, and currently runs his own consulting business. Matt is active in the JavaScript community, maintains multiple open source projects, and is a frequent guest on podcasts. He holds a Bachelor of Science in Computer Engineering from the University of Illinois Urbana-Champaign.