🧒 Explain like I'm 5
Imagine you're at a restaurant. The chef (call stack) cooks one dish at a time. Special orders (microtasks) are handled immediately after each dish. Regular orders (macrotasks) are cooked one per round. The waiter (event loop) keeps everything moving smoothly.
Interactive quiz
Check your understanding with an instant-feedback quick check.
Detailed notes
Senior-level deep dive: internals, pitfalls, and a self-interview ladder.
Practice with AI feedback
Answer out loud, get scored on correctness, depth, and clarity.