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Choose a JavaScript learning path.

Move through the course sequence with clear prerequisites, visible progress, and hands-on coding work at every step.

Learning paths

Follow the sequence.

Start with the basics, then move into browser projects, async JavaScript, APIs, and more advanced topics.

Path 01

Start Here

Get oriented with the JS Exercises workflow, browser-based editor, test feedback, and the first JavaScript habits that make practice manageable.

1 lesson5 stages1 checks
Start path
Path 02

JavaScript Foundations

Build reliable JavaScript fundamentals with variables, values, operators, conditionals, loops, and small debugging tasks in the browser.

13 lessons161 stages21 checks
Start path
Path 03

Working with Data

Practice arrays, objects, destructuring, spread syntax, and iteration patterns for transforming real JavaScript data without losing track of shape.

6 lessons110 stages12 checks
Start path
Path 04

DOM & Browser

Learn DOM selection, events, forms, browser state, and UI updates by writing JavaScript that changes real pages in the preview pane.

16 lessons176 stages17 checks
Start path
New
Path 05

Asynchronous JS

Understand callbacks, promises, async and await, fetch, response parsing, and error handling through browser-based JavaScript exercises.

15 lessons179 stages31 checks
Start path
Soon
Path 06

Working with APIs

Interacting with and creating RESTful APIs

0 lessons0 stages
In planning
Soon
Path 07

Advanced JS

Closures, prototypes, patterns and performance.

0 lessons0 stages
In planning

Want another route?

Practice outside the course path.

Use topic drills when you want focused repetition, or build a project when you are ready to connect the pieces in one browser app.

Practice exercisesBuild a project