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Build real-world projects and master core concepts with our curated collection of coding challenges, system design architectures, and practice tasks.
Interactive editor with real-world problems. Master DOM manipulation, algorithms, and React patterns.
Deep dive into frontend architecture. Learn to build scalable News Feeds, Chat Apps, and E-commerce platforms.
End-to-end project briefs. Build complete applications with realistic requirements to boost your portfolio.
Popular skills mastered by the community