JavaScript is the language of the web and one of the most used programming languages. It puts together some powerful features like closures, functions as values, objects as dynamic collections of properties, experimental characteristics, the prototype system, and some dangerous features such as the type coercion system.
Cristian Salcescu is the author of the "Functional JavaScript" and "Functional React" book series. He is a technical lead passionate about front-end development and enthusiastic about sharing ideas. He took different roles and participated in all parts of software creation. Cristian Salcescu is a JavaScript trainer and a writer on Medium.