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.
Why the "Complete JavaScript Course 2020" is Still the Gold Standard (Even Years Later) Because this is the 2020 version, the course
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. This course dedicates an entire, massive section to it
You will emerge not as a "course completer," but as a You’ve probably watched a few "JavaScript in 1
Let’s be honest. You’ve probably watched a few "JavaScript in 1 Hour" videos on YouTube. You know what console.log does, and you can change a background color. But when someone asks you to build a fully functional banking app or a dynamic weather dashboard from scratch? Crickets.
You might think you need the "2024" version of everything. But JavaScript itself (ES6, ES7, ES8) hasn't had a revolutionary syntax change since 2020. The fundamentals of hoisting, closures, prototypes, and this —they are exactly the same today.