Modules
14
Config-driven lessons
Language Track
JavaScript
Master the browser spellbook from fundamentals to async raids.
Track Catalog14 modules
Start with Variables & Types. Progress saves when you play signed in.
Total XP
6,585
Available in track
Daily Quest
32
Variables & Types five-question streak
Next Module
Beginner
Variables & Types
Raid Path
0 / 14 modules clearedBeginner enemy encounter
Variables & Types
Build variables & types fluency through short lessons, quizzes, and raid practice.
Beginner enemy encounter
Functions
Build functions fluency through short lessons, quizzes, and raid practice.
Beginner enemy encounter
Arrays
Build arrays fluency through short lessons, quizzes, and raid practice.
Beginner enemy encounter
Objects
Build objects fluency through short lessons, quizzes, and raid practice.
Beginner enemy encounter
Loops
Build loops fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
DOM
Build dom fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
Async / Await
Build async / await fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
APIs
Build apis fluency through short lessons, quizzes, and raid practice.
Intermediate enemy encounter
ES6+
Build es6+ fluency through short lessons, quizzes, and raid practice.
Advanced enemy encounter
Closures
Build closures fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Advanced enemy encounter
Scope
Build scope fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Advanced enemy encounter
Classes
Build classes fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Advanced enemy encounter
Data Structures
Build data structures fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Expert enemy encounter
Algorithms
Build algorithms fluency through short lessons, quizzes, and raid practice.
Pro encounter lockedSign in with an active Pro plan to enter this raid.
Boss Raids
javascriptBeginner
Array Hydra
A many-headed raid boss that punishes shaky array fundamentals.
javascriptBeginner
Loop Wraith
A restless arena boss that tests iteration control across languages.
javascriptIntermediate
Async Lich
A spellcaster that delays attacks until async control flow is mastered.
javascriptBeginner
Binding Warden
A lock-forged vault guardian that tests declarations, primitive types, const and let bindings, coercion boundaries, and reliable value assignment.
javascriptBeginner
Callstack Reaver
An execution-blade guardian of the recursive callframe sanctum that tests declarations, parameters, return values, closures, and reliable invocation flow.
javascriptBeginner
Objects Sentinel
A module-specific quiz battle that tests objects mastery before the next raid route.
javascriptIntermediate
DOM Sentinel
A module-specific quiz battle that tests dom mastery before the next raid route.
javascriptIntermediate
APIs Sentinel
A module-specific quiz battle that tests apis mastery before the next raid route.
javascriptIntermediate
ES6+ Sentinel
A module-specific quiz battle that tests es6+ mastery before the next raid route.
javascriptAdvancedPRO
Closures Sentinel
A module-specific quiz battle that tests closures mastery before the next raid route.
Sign in with an active Pro plan to enter this raid.
View Pro accessjavascriptAdvancedPRO
Scope Sentinel
A module-specific quiz battle that tests scope mastery before the next raid route.
Sign in with an active Pro plan to enter this raid.
View Pro accessjavascriptAdvancedPRO
Classes Sentinel
A module-specific quiz battle that tests classes mastery before the next raid route.
Sign in with an active Pro plan to enter this raid.
View Pro accessjavascriptAdvancedPRO
Data Structures Sentinel
A module-specific quiz battle that tests data structures mastery before the next raid route.
Sign in with an active Pro plan to enter this raid.
View Pro accessjavascriptExpertPRO
Algorithms Sentinel
A module-specific quiz battle that tests algorithms mastery before the next raid route.
Sign in with an active Pro plan to enter this raid.
View Pro access