64 actionable lessons

Learn by building a clear mental model.

Each week combines concise explanations, executable examples, exercises, debugging, a quiz, and a project milestone.

Week 1 · 6–8 hours

JavaScript Foundations

Learn how JavaScript represents values, evaluates expressions, and communicates through the console.

8 lessons · 1 project
Week 2 · 7–9 hours

Logic, Functions & Problem Solving

Break problems apart, express decisions, package behavior, and repeat work safely.

8 lessons · 1 project
Week 3 · 8–10 hours

Arrays, Objects & Data

Model collections and records, then transform them without losing clarity or correctness.

8 lessons · 1 project
Week 4 · 9–11 hours

DOM, Events & Browser Apps

Connect program state to accessible interfaces through the DOM, events, forms, and storage.

8 lessons · 1 project
Week 5 · 9–11 hours

Modern JavaScript & Internals

Develop an accurate mental model of scope, execution, objects, and modern module design.

8 lessons · 1 project
Week 6 · 9–12 hours

Async JavaScript & APIs

Coordinate delayed work, call HTTP APIs, and build resilient loading and error states.

8 lessons · 1 project
Week 7 · 10–12 hours

Architecture, Testing & Tools

Structure medium-sized programs, test behavior, measure tradeoffs, and collaborate with Git.

8 lessons · 1 project
Week 8 · 12–16 hours

Professional JavaScript & Capstone

Plan, secure, test, document, deploy, and confidently present a complete JavaScript product.

8 lessons · 1 project