Learning Paths / Learn JavaScript Basics

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Learn JavaScript Basics

Learn core JavaScript from functions and data structures through modern syntax and async programming.

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Fundamentals

  1. 1

    Functions

    Declare functions, arrow syntax, scope, and higher-order patterns

  2. 2

    Arrays

    Create, access, and mutate ordered lists of values

  3. 3

    Objects

    Store keyed properties, methods, and nested data structures

Modern Syntax

  1. 1

    Destructuring

    Extract values from arrays and objects into concise variables

  2. 2

    Spread & Rest

    Expand iterables with spread and collect remaining values with rest

Deeper JavaScript

  1. 1

    Closures

    Functions that remember variables from their enclosing scope

  2. 2

    Array Methods

    Transform data with map, filter, reduce, find, and more

Async JavaScript

  1. 1

    Promises

    Handle asynchronous results with then, catch, and Promise combinators

  2. 2

    async/await

    Write asynchronous code that reads like synchronous control flow

  3. 3

    Fetch API

    Make HTTP requests from the browser and handle JSON responses