...It explains core concepts like values and types, scope, functions, objects, and prototypes in a clear, example-driven style that favors short, readable snippets. The material steadily introduces modern features—modules, arrow functions, classes, destructuring, promises, and async/await—while relating them back to the underlying mechanics of the language. Beyond syntax, it explores how JavaScript actually runs, touching on the event loop, asynchronous patterns, and common pitfalls that trip up newcomers. The browser section covers DOM manipulation, events, storage, and network requests so readers can build interactive pages with confidence. ...