Advanced JavaScript
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Build on your JavaScript foundation with the advanced features that make the language powerful — asynchronous programming, object-oriented patterns, module systems, and modern ES6+ syntax.
Module Pages
| Page | What You’ll Learn |
|---|---|
| Scope, Hoisting & Closure | Global/function/block scope, hoisting, closures, IIFE, the lexical environment |
this Keyword & Binding | How this works, implicit/explicit binding, call, apply, bind, arrow function gotchas |
| Prototypes & Inheritance | Prototype chain, __proto__, Object.create, prototypal vs classical inheritance |
| ES6 Classes | Class syntax, constructor, methods, extends, super, static methods, private fields |
| Promises & Async/Await | Callback pattern, Promise chaining, async/await, Promise.all, error handling in async code |
| Error Handling | try/catch/finally, custom errors, Error class, stack traces, defensive programming |
| ES6+ Modules | import/export, default vs named exports, module bundlers overview, dynamic imports |
| The Fetch API & HTTP | Making HTTP requests, GET/POST/PUT/DELETE, handling responses, headers, error status codes |
| Modern JavaScript Features | Optional chaining, nullish coalescing, ??=, logical assignment, Map/Set, Symbol, iterators |
| Project: Weather Dashboard | Build an async weather app using Fetch API and public weather data |
Key Takeaways
By the end of this module, you’ll be comfortable with asynchronous JavaScript, understand closures and the prototype system, write modular code with ES6 modules, and build applications that fetch and process data from APIs.