1 “...Niegdyś JavaScript służył głównie twórcom stron WWW, obecnie używany jest nie tylko do pisania...”

2 Table of Contents: “...ECMAScript and the future of JavaScript -- ES6 essentials -- Classes, symbols, objects...”

3 Table of Contents: “... Modular JavaScript?; Section 3. How Is This Book Organized?; Section 4. Conventions Used in This Book...”

4 Subjects: “...JavaScript (Computer program language) / http://id.loc.gov/authorities/subjects/sh96004880...”

5 Subjects: “...JavaScript (Computer program language) / http://id.loc.gov/authorities/subjects/sh96004880...”

6 Table of Contents: “... in JavaScript -- Leveraging the model-view-controller -- Testing JavaScript components -- REST API design...”