JavaScript Essentials For Dummies

The concise and digestible get-started guide to JavaScript programming

JavaScript Essentials For Dummies is your quick reference to all the core concepts about JavaScript―the dynamic scripting language that is often the final step in creating powerful websites. This no-nonsense book gets right to the point, eliminating review material, wordy explanations, and fluff. Find out all you need to know about the foundations of JavaScript, swiftly and crystal clear. Perfect for a brush-up on the basics or as an everyday desk reference on the job, this is the reliable little book you can always turn to for answers.

• Get a quick and thorough intro to the basic concepts of coding with JavaScript
• Review what you've already learned or pick up essential new skills
• Add interactive features to websites with JavaScript programming
• Keep this concise reference book handy for jogging your memory as you work

This book is to the point, focusing on the key topics you need to know about this popular programming language. Great for supplementing classroom learning, reviewing for a certification, or staying knowledgeable on the job.

About the Author

Paul McFedries is a longtime technical author with more than 100 published titles. His work includes Web Coding & Development All-in-One For Dummies, iPad and iPad Pro For Dummies, Alexa For Dummies, G Suite For Dummies, and Excel Data Analysis For Dummies.

Table of Contents

Introduction 1

Chapter 1: JavaScript: The Big Picture 5

Chapter 2: Programming with Variables 17

Chapter 3: Building Expressions 31

Chapter 4: Controlling the Flow of JavaScript 39

Chapter 5: Harnessing the Power of Functions 55

Chapter 6: Coding the Document Object Model 73

Chapter 7: Working with Arrays 105

Chapter 8: Coding Strings and Dates 117

Chapter 9: Debugging JavaScript 129

Chapter 10: Dealing with Form Data 141

Chapter 11: Ten JavaScript Debugging Strategies 161

Index 165