JavaScript Mastery Course — Free Online Tutorial
Master JavaScript fundamentals with visual animations explaining closures, event loop, promises, async/await, prototypes, hoisting, and ES6+ features. Perfect for beginners and interview prep.
React Complete Course — Hooks, Patterns & Performance
Learn React hooks (useState, useEffect, useContext, useReducer, useMemo, useCallback), component patterns, state management, and performance optimization with interactive examples.
Next.js 14 Tutorial — App Router & Server Components
Build production-ready applications with Next.js App Router, React Server Components, SSR/SSG/ISR, API routes, and deployment strategies.
Frontend Interview Preparation — 1000+ Questions
Prepare for frontend developer interviews at Google, Meta, Amazon, Apple, and Netflix with 1000+ real interview questions covering JavaScript, React, system design, and behavioral interviews.
What You'll Learn on Dlearn
- JavaScript: Execution context, closures, event loop, promises, async/await, prototypes, ES6+ features, DOM manipulation
- React: Hooks (useState, useEffect, useContext), component patterns, state management, virtual DOM, JSX, React performance
- Next.js: App Router, Server Components, SSR/SSG, data fetching, API routes, middleware, deployment
- CSS & Styling: Flexbox, Grid, Tailwind CSS, SASS/SCSS, CSS animations, responsive design, design systems
- State Management: Redux Toolkit, createSlice, RTK Query, React Context, Zustand
- Interview Prep: 1000+ frontend interview questions from FAANG companies, coding challenges, system design
- Developer Tools: Git & GitHub, version control, collaboration workflows
Why Choose Dlearn?
- 100% Free — No hidden costs, no subscriptions
- Visual Learning — Animated explanations for complex concepts
- Interactive Coding — Built-in code playground with instant feedback
- Interview Ready — Real questions from top tech companies
- Progress Tracking — XP, achievements, and learning streaks