Module 1
Console and Expressions
Write and run your first JavaScript expressions while learning how console output helps you understand a
0 of 6 completed
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Curriculum
JavaScript learning path
20 modules in 2 parts. Start at the beginning or jump to the part you want to practise.
Part 1
Foundations
Start with expressions, variables, values, decisions, and functions.
Beginner · 10 modules
Module 2
Variables with const and let
Store, name, read, and update the values a JavaScript program works with.
0 of 8 completed
Start Module 3
Numbers and Arithmetic
Calculate with numbers using clear JavaScript expressions and variables.
0 of 10 completed
Start Module 4
Strings and Text
Build and inspect text with strings, interpolation, and simple string methods.
0 of 10 completed
Start Module 5
Types and Conversion
Understand common JavaScript value types and make conversions explicit.
0 of 8 completed
Start Module 6
Comparisons and Booleans
Create useful true-or-false values with comparisons and logical operators.
0 of 8 completed
Start Module 7
Conditions and Branching
Use boolean conditions to choose between different program paths.
0 of 10 completed
Start Module 8
Function Basics
Group instructions into named functions and call them when they are needed.
0 of 8 completed
Start Module 9
Parameters and Return Values
Write functions that receive inputs and produce results other code can use.
0 of 8 completed
Start Module 10
Arrow Functions
Write short reusable functions with arrow syntax and predictable return values.
0 of 6 completed
Start Part 2
Collections and Control Flow
Work with arrays, loops, objects, destructuring, and variable scope.
Beginner to intermediate · 10 modules
Module 11
Array Basics
Create ordered collections and read their values with indexes and length.
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Start Module 12
Changing Arrays
Update, extend, shorten, and copy arrays with deliberate operations.
0 of 8 completed
Start Module 13
Repetition with Loops
Repeat instructions safely with for and while loops.
0 of 8 completed
Start Module 14
Looping Through Arrays
Process every array value with loops, counters, totals, and result arrays.
0 of 10 completed
Start Module 15
Object Basics
Represent one thing with named properties stored in an object.
0 of 8 completed
Start Module 16
Object Properties and Iteration
Use dynamic properties and iterate over object keys, values, and entries.
0 of 8 completed
Start Module 17
Nested Data and Collections
Combine arrays and objects to work with small, realistic data sets.
0 of 10 completed
Start Module 18
Array and Object Destructuring
Extract values clearly from arrays, objects, parameters, and nested data.
0 of 8 completed
Start Module 19
Spread, Rest, and Immutable Updates
Copy, combine, and update arrays and objects without changing the originals.
0 of 8 completed
Start Module 20
Scope and Variable Lifetime
Predict where variables are available across functions, blocks, and loops.
0 of 8 completed
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