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JavaScript Foundations

The language of the web, from first principles to async patterns.

Master JavaScript step by step: variables, control flow, functions, objects, arrays, the event loop, async/await, modern modules, and the patterns you'll use every day in production code.

4 modules 12 lessons ~10h Certificate of completion
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Syllabus

  1. Module 1

    Getting started

    What JavaScript is and how to run it.

    2 lessons
    1. What is JavaScript? →
    2. Variables: let, const, var →

  2. Module 2

    Core syntax

    Data types and the control flow primitives.

    2 lessons
    1. Strings →
    2. Conditionals and loops →

  3. Module 3

    Functions and objects

    First-class functions, objects, arrays.

    4 lessons
    1. Functions →
    2. Objects →
    3. Arrays →
    4. Destructuring and spread →

  4. Module 4

    Modern JavaScript

    ES modules and async patterns.

    4 lessons
    1. Async / await →
    2. Promises deep dive →
    3. Closures and scope →
    4. The event loop →

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