Easy Learning Design Patterns JavaScript coding patterns and best practices. If you're an experienced developer looking to solve problems related to objects, functions, inheritance, and other language-specific categories, the abstractions and code templates in this guide are idea that includes practical advice for implementing each pattern discussed, along with several hands-on examples. ECMAScript 6 (ES6). This book provides a highly practical look at ES6, This book takes a user-friendly approach to covering ES6 Javascript design patterns. Its concise presentation means that in a short space of time, you will get a good introduction to important design patterns and actual application case examples.