"Expressive j & # 097; vascript" will allow you to delve deeply into the topic, learn how to write beautiful and effective code. You will become familiar with syntax, arrow and asynchronous functions, iterator, pattern strings, and block scope. Marein Haverbeke is a practitioner. Gain experience and learn the language from a variety of examples by completing exercises and training projects. First, you will get acquainted with the structure of the j & # 097; vascript language, control structures, functions and data structures, then learn error handling and bug fixes, modularity and asynchronous programming, and then move on to programming browsers.