JavaScript Roadmap Tracker

Variables & Data TypesWeightage: 10

var, let, const, primitives, and reference types.

Operators & Control FlowWeightage: 8

Operators, conditionals, loops, and error handling.

Functions & ScopeWeightage: 12

Function declarations, expressions, and scope chain.

Arrow FunctionsWeightage: 10

Arrow syntax, lexical this, and use cases.

Destructuring & SpreadWeightage: 12

Object/Array destructuring and spread/rest operators.

Template LiteralsWeightage: 8

Template strings and tagged templates.

Object FundamentalsWeightage: 12

Object creation, properties, and methods.

Prototypes & InheritanceWeightage: 15

Prototypal inheritance and prototype chain.

ClassesWeightage: 10

ES6 classes, inheritance, and static members.

CallbacksWeightage: 10

Callback patterns and error handling.

PromisesWeightage: 15

Promise API, chaining, and error handling.

Async/AwaitWeightage: 12

Async functions and error handling.

DOM SelectionWeightage: 10

Selecting and traversing DOM elements.

DOM ManipulationWeightage: 12

Modifying elements, attributes, and styles.

EventsWeightage: 10

Event handling, bubbling, and delegation.

Storage APIsWeightage: 10

LocalStorage, SessionStorage, and Cookies.

Fetch APIWeightage: 12

Making HTTP requests and handling responses.

Web APIsWeightage: 8

Geolocation, Canvas, and other Web APIs.

ClosuresWeightage: 15

Understanding and using closures effectively.

this KeywordWeightage: 12

this binding and execution context.

Function PatternsWeightage: 10

Currying, composition, and partial application.

Module PatternWeightage: 12

ES Modules and module patterns.

Design PatternsWeightage: 10

Common design patterns in JavaScript.

Functional ProgrammingWeightage: 15

FP concepts and immutability.

Try-CatchWeightage: 10

Error handling with try-catch blocks.

Custom ErrorsWeightage: 8

Creating and using custom error classes.

DebuggingWeightage: 12

Browser DevTools and debugging techniques.

Unit TestingWeightage: 12

Testing with Jest or Mocha.

Integration TestingWeightage: 10

Testing modules and interactions.

Test Driven DevelopmentWeightage: 8

TDD principles and practices.

Memory ManagementWeightage: 12

Memory leaks and garbage collection.

Code OptimizationWeightage: 10

Performance patterns and best practices.

Loading StrategiesWeightage: 8

Script loading and execution optimization.

Common VulnerabilitiesWeightage: 12

XSS, CSRF, and injection attacks.

Secure CodingWeightage: 10

Security best practices and patterns.

Content SecurityWeightage: 8

CSP and security headers.

Package ManagersWeightage: 10

npm, yarn, and package.json.

BundlersWeightage: 12

Webpack, Rollup, and Vite.

TranspilersWeightage: 8

Babel and TypeScript compilation.