JavaScript Roadmap for Web DevelopmentLast updated: Apr 3, 2026Author :Jitendra KumarIntroduction to JavaScript & HistoryVariables (var, let, const)OperatorsLoops (for, while, for...of, for...in)FoundationsSetup & Running JS (Browser, Node.js)Data Types & Type ConversionConditionals (if-else, switch)Functions & ScopeHoistingPrototypes & InheritanceModules (import/export)Core JavaScriptClosuresthis KeywordES6 ClassesExecution Context & Call StackMemory Management & Garbage CollectionFunctional Programming in JSAdvanced ConceptsEvent Loop & Concurrency ModelCurrying & Higher-Order FunctionsDesign Patterns in JavaScriptCallbacksasync/awaitFetch API & AJAXAsynchronous JavaScriptPromisesEventEmitter (Node.js)WebSocketsDocument Object Model (DOM)Event HandlinglocalStorage & sessionStorageDOM & Browser APIsSelecting & Manipulating ElementsForms & ValidationCanvas & Web APIsTemplate LiteralsSpread & Rest OperatorsArrow FunctionsOptional Chaining & Nullish CoalescingModern JavaScript (ES6+ Features)DestructuringDefault & Named ParametersMap, Set, WeakMap, WeakSetnpm & YarnBundlers (Webpack, Vite, Parcel)Testing Frameworks (Jest, Mocha, Cypress)Tooling & EcosystemBabel & TranspilersLinters & Formatters (ESLint, Prettier)React.js BasicsAngular BasicsNext.js / Nuxt.js (SSR & SSG)Frameworks & LibrariesVue.js BasicsState Management (Redux, MobX, Pinia)Node.js & Express.jsTodo App (Vanilla JS)Chat App with WebSocketsBlog Platform with Node.js & ExpressProjectsWeather App using Fetch APIE-commerce Shopping CartPortfolio Website with React/Next.jsCore JS Concept Q&AAsynchronous JS QuestionsSystem Design with JS (Front-end + Back-end)Interview PreparationClosures & Scopes QuestionsDOM Manipulation QuestionsDSA in JavaScript
