| Course | Instructor | Hours | Focus | |--------|------------|-------|-------| | | Andrew Mead | ~30h | ES6 + Node.js + React basics | | JavaScript: The Advanced Concepts | Andrei Neagoie | ~25h | ES6+ and under-the-hood JS | | Understanding ECMAScript 6 (if still available) | Nicholas Zakas | ~12h | Deep ES6-only focus | | Complete JavaScript Course 2025 | Jonas Schmedtmann | ~70h | Massive coverage (ES6 to ES2024) |