JavaScript Roadmap 🔗

Find the detailed version of this roadmap along with resources and other roadmaps at
roadmap.sh 🌐

Introduction to JavaScript 🔗

• What is JavaScript?
• History of JavaScript
• JavaScript Versions
• How to run JavaScript?

Beginner Topics 🔗

• All About Variables
  • Variable Declarations
  • Variable Naming Rules
  • Hoisting
• Data Types
  • Primitive Types: string, number, bigint, boolean, null, undefined, Symbol
• Variable Scopes

Intermediate Topics 🔗

• Object

  • Object Prototype
  • Prototypal Inheritance
  • Built-in Objects

• Data Structures

  • Indexed Collections
    • Arrays
    • Typed Arrays
  • Keyed Collections
    • Map
    • WeakMap
    • Set
    • WeakSet
  • Structured Data
    • JSON

• Type Casting

  • Implicit & Explicit
  • Type Conversion vs Coercion

• Equality Comparisons

  • ==, ===, Object.is
  • isLooselyEqual, isStrictlyEqual, SameValueZero, SameValue

Advanced Topics 🔗

Control Flow 🔗

• Conditional Statements
• Switch vs If…Else
• Loops and Iterations
  • for, while, do...while
  • for...in, for...of
  • break / continue
  • Labeled Statements

Exception Handling 🔗

• throw, try/catch/finally
• Utilizing Error Objects

Expressions and Operators 🔗

• Assignment, Comparison, Arithmetic, Logical
• Bitwise, BigInt, String, Conditional
• Comma, Unary, Relational

Functions 🔗

• Defining and Calling
• Parameters (default, rest)
• Arrow Functions
• IIFEs
• Scope & Function Stack
• Recursion
• Lexical Scoping & Closures
• arguments object
• Built-in Functions

This Keyword 🔗

• using this alone
• in methods / functions
• in event handlers
• in arrow functions
• Function Borrowing

Asynchronous JavaScript 🔗

• setTimeout, setInterval
• Callbacks & Callback Hell
• Promises
• async / await

Classes 🔗

Iterators and Generators 🔗

Modules 🔗

• CommonJS
• ECMAScript Modules

Memory Management 🔗

• Memory Lifecycle
• Garbage Collection

Debugging (Using Chrome Dev Tools) 🔗

• Debugging Issues
• Memory Leaks
• Performance

For ecosystem and more, check other tracks involving JavaScript:

• Backend Roadmap
• Frontend Roadmap