Single page web applicationThis book is a guide for developers who want to develop an entire stack of applications using only JavaScript. This book presents an example methodology for developing an entire stack of applications in JavaScript, from client (JQuery) - server (Node.js) to database (Mongolia). The authors write how to write best-practice JavaScript code that is scalable, testable, and modularly oriented, without relying on specific frameworks, based on years of know-how in developing single page applications. Introduced. This allows the reader to naturally learn about the authors proven code and techniques, as well as learn how to develop modern single-page applications in the easiest and easiest way possible, based on the methodology presented by the author. This book will give you insight into the new possibilities of JavaScript that you have not known yet, and you can learn best practices to solve various problems caused by linguistic looseness as the reliance on JavaScript increases. In short, if you follow this book and develop your SPA with JavaScript, you will not fail at least!