Herunterladen The Complete Javascript Course 2020: Build Real Projects! Jun 2026

Jonas Schmedtmann Platform: Udemy Verdict: ⭐⭐⭐⭐⭐ (A timeless masterpiece for modern web development)

⭐⭐⭐⭐½ (4.5/5) One of the best JS courses ever made, even a few years later. Pair it with a modern update (like Jonas’s 2024 course) for cutting-edge topics. Jonas’ courses are famous for their high production value

However, I must address an important distinction first: It’s on Udemy

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Jonas’ courses are famous for their high production value. The audio is crisp, the code is legible, and the custom slides are professional. The course is frequently updated (even beyond the 2020 label) to fix errors and explain deprecated packages, which shows a commitment to quality.

It’s on Udemy. Wait for a sale (they happen every few weeks) – usually around €/$10–15 . Totally worth it.

Review / Learning journey Platform: LinkedIn, Dev.to, Reddit (r/learnjavascript), or a personal blog