JavaScript Learning Path

Master JavaScript
for MAANG Interviews

Complete 10-week JavaScript curriculum covering everything from fundamentals to advanced concepts. Follow this structured path with clear learning objectives and build confidence for technical interviews.

10 weeks
Beginner to Advanced
10 Core Topics

Interview-Focused

Topics specifically chosen for technical interviews

Hands-On Practice

Real coding examples and exercises

Progressive Learning

From basics to advanced concepts

Modern JavaScript

ES6+ features and latest standards

JavaScript Learning Path

Follow this structured path from fundamentals to advanced topics. Each step builds upon the previous one.

1

Variables & Types

Master JavaScript data types, variable declarations, and type system fundamentals

Week 1
Beginner

Key Concepts to Master

Variable Declarations: var vs let vs const
Scope Rules: Global, Function, Block, Module
Hoisting & Temporal Dead Zone
Primitive Types: string, number, boolean, null, undefined, symbol, bigint
Type Coercion & Implicit Conversions
Strict vs Loose Equality (=== vs ==)
Template Literals & String Methods
Number Methods & Math Object
Step 1 of 9
Progress:
11%
2

Functions & Scope

Deep dive into functions, scope, closures, and execution context

Week 2
Beginner

Key Concepts to Master

Function Declarations vs Expressions vs Arrow Functions
this Binding: call, apply, bind methods
Closures & Lexical Scope
Immediately Invoked Function Expressions (IIFE)
Higher-Order Functions & Callbacks
Default Parameters & Rest/Spread Syntax
Arguments Object vs Rest Parameters
Function Composition & Currying
Step 2 of 9
Progress:
22%
3

Objects & Arrays

Master object manipulation, array methods, and data structure operations

Week 3
Beginner

Key Concepts to Master

Object Creation Patterns & Property Descriptors
Destructuring Assignment: Objects & Arrays
Spread/Rest Operators for Objects & Arrays
Array Methods: map, filter, reduce, forEach, find, some, every
Object Methods: Object.keys, values, entries, assign, freeze
Property Access: Dot vs Bracket Notation
Shallow vs Deep Copying
JSON Methods: stringify, parse
Step 3 of 9
Progress:
33%
4

Prototypes & OOP

Understand JavaScript's prototype system and object-oriented programming

Week 4
Intermediate

Key Concepts to Master

Prototype Chain & Prototype Delegation
Constructor Functions & new Operator
ES6 Classes: constructor, methods, static methods
Inheritance: extends keyword & super calls
Object.create() & Custom Prototypes
instanceof Operator & Constructor Property
Private Fields & Methods (#syntax)
Mixins & Composition Patterns
Step 4 of 9
Progress:
44%
5

Asynchronous JavaScript

Master async programming, promises, and event loop mechanics

Week 5-6
Intermediate

Key Concepts to Master

Event Loop: Call Stack, Task Queue, Microtask Queue
Callbacks & Callback Hell Problems
Promises: creation, chaining, error handling
Promise Methods: all, allSettled, race, any
async/await Syntax & Error Handling
Sequential vs Parallel Execution Patterns
Generators & Iterators
AbortController & Request Cancellation
Step 5 of 9
Progress:
56%
6

Modules & Imports

Learn module systems, import/export patterns, and code organization

Week 7
Intermediate

Key Concepts to Master

ES6 Modules: Named & Default Exports/Imports
Dynamic Imports: import() function
Module Resolution & File Extensions
CommonJS vs ES Modules differences
Re-exporting & Module Aggregation
Circular Dependencies & Solutions
Tree Shaking & Dead Code Elimination
Module Bundling Concepts
Step 6 of 9
Progress:
67%
7

DOM & Browser APIs

Master DOM manipulation, events, and browser-specific APIs

Week 8
Intermediate

Key Concepts to Master

DOM Selection: getElementById, querySelector, getElementsBy*
DOM Manipulation: createElement, appendChild, insertBefore
Element Properties: innerHTML, textContent, classList
Event Handling: addEventListener, removeEventListener
Event Object: preventDefault, stopPropagation, delegation
Fetch API & HTTP Methods
Local/Session Storage & Cookies
Web APIs: Geolocation, Notification, File API
Step 7 of 9
Progress:
78%
8

Error Handling & Debugging

Learn error handling patterns, debugging techniques, and code quality

Week 9
Intermediate

Key Concepts to Master

try/catch/finally Blocks & Error Propagation
Custom Error Classes & Error Objects
Error Handling in Async Code
Browser DevTools: Console, Debugger, Network
Logging Strategies & Error Reporting
Type Checking & Validation Patterns
Optional Chaining (?.) & Nullish Coalescing (??)
Defensive Programming Techniques
Step 8 of 9
Progress:
89%
9

Performance & Optimization

Optimize JavaScript performance and implement best practices

Week 10
Advanced

Key Concepts to Master

Memory Management & Garbage Collection
Debouncing & Throttling Techniques
requestAnimationFrame & Performance APIs
Code Splitting & Lazy Loading
Minification & Compression (Gzip/Brotli)
Bundle Analysis & Tree Shaking
Avoiding Layout Thrashing & Reflows
Web Workers & Service Workers
Step 9 of 9
Progress:
100%
JavaScript Mastery Complete!

Ready to Start Your JavaScript Journey?

Follow our structured curriculum, practice with real examples, and prepare for JavaScript interviews at top tech companies.

💡 Pro Tip

Practice coding each concept as you learn. JavaScript is best mastered through hands-on experience. Start with the fundamentals and gradually move to advanced topics.