File format: PDF. English edition / 本商品は英語版です。 Thank you for taking an interest in this book. Written to be easy for beginners to follow, it explains, step by step, everything from the fundamentals of JavaScript to browser programming, ES6 syntax and features, and practical examples such as building a digital clock. Contents: Chapter 1: Preparations Before Writing JavaScript Chapter 2: The Fundamentals of JavaScript Chapter 3: Let Us Make a Digital Clock (the ES5 Version) Chapter 4: The Fundamentals of ES6 Chapter 5: Let Us Update the Digital Clock with Added Features (the ES6 Version)