Online The Complete Javascript Course 2020: Build Real Projects! Course May 2026

Most free tutorials gloss over callbacks, promises, and async/await. This course dedicates an entire, massive section to it. Jonas explains the Event Loop by drawing it out on a digital whiteboard.

However: Learning Webpack in this course teaches you why we need build tools. By the time you finish, switching to Vite will take you 5 minutes. The concepts are identical. Most free tutorials gloss over callbacks, promises, and

[Link to The Complete JavaScript Course 2020 on Udemy] Have you taken this course? What was your favorite project to build? Let me know in the comments below! However: Learning Webpack in this course teaches you

Because this is the 2020 version, the course uses and Babel (the old standard for module bundling). In 2024+, most new projects use Vite because it is 10x faster. [Link to The Complete JavaScript Course 2020 on

Why the "Complete JavaScript Course 2020" is Still the Gold Standard (Even Years Later)

Wait—2020? Isn't that old? Stick with me, because this is the secret most new coders miss.