| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 1 | Event loop machine: microtasks cutting the line | Event Loop & Memory | Runtime machine | Hard |
| 2 | Hoisting machine: inside a function call | Scope & Hoisting | Runtime machine | Hard |
| 3 | Scope machine: one j, many i's | Scope & Hoisting | Runtime machine | Hard |