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Career path

JavaScript Developer

Master JavaScript — the language of the web. From DOM scripting to Node.js servers to modern frameworks.

mixed3 courses38 lessons~10 hoursFree
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Start → ship

1

You start with

JavaScript Fundamentals

3

You ship

JavaScript Advanced

3 courses in order, every exercise graded on the executor.

Course sequence

Follow it in order. Each course is its own certificate.

  1. 1

    JavaScript Fundamentals

    Not started

    Learn the language that runs every browser and most of the backend internet. Variables, functions, arrays, objects, async — every lesson is hands-on with real Node.js execution.

    beginnerjavascript15 lessons~4h
  2. 2

    JavaScript Intermediate

    Not started

    Level up from JavaScript Fundamentals. Async/await, Promises, closures, the prototype chain, error handling, generators, regex. The features you reach for once you've outgrown the basics.

    intermediatejavascript15 lessons~4h
  3. 3

    JavaScript Advanced

    Not started

    Beyond JavaScript Intermediate. Generators + async iteration, Proxy/Reflect, prototype chain in depth, weak references, V8 perf basics. The features behind serious JS frameworks and tooling.

    advancedjavascript8 lessons~2h

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