Interview Prep

Master technical interviews with curated Q&A collections for JavaScript, React, Next.js, MongoDB, and more.

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Interactive JavaScript quiz covering fundamentals, ES6+, async patterns, and more.

Interactive Python quiz covering fundamentals, OOP, decorators, generators, and concurrency.

Interactive Node.js quiz covering Express, streams, clustering, and performance.

Interactive React quiz covering hooks, components, lifecycle methods, and modern patterns.

Interactive Next.js quiz covering App Router, Server Components, routing, and optimization.

Interactive SQL quiz covering queries, joins, subqueries, window functions, and optimization.

Interactive MongoDB quiz covering CRUD, aggregation, indexing, replication, and sharding.

•Practice explaining concepts out loud - interviewers want to see your thought process.
•Focus on fundamentals first. Advanced topics are easier when basics are solid.
•Don't memorize answers - understand the "why" behind each concept.