The "Complete JavaScript Course 2020: Build Real Projects!" by Jonas Schmedtmann is an online course that aims to teach students JavaScript from scratch, with a focus on building real-world projects. The course promises to cover the basics of JavaScript, as well as more advanced topics, and help students build a portfolio of projects to showcase their skills.
Jonas Schmedtmann's course is widely considered one of the gold standards for learning modern JavaScript (ES6+) due to its "under the hood" explanations and project-based approach. The Complete JavaScript Course 2025: From Zero to Expert! The "Complete JavaScript Course 2020: Build Real Projects