| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 1 | Hoisting machine: the creation pass | Scope & Hoisting | Runtime machine | Easy |
| 2 | Hoisting machine: declarations vs expressions | Scope & Hoisting | Runtime machine | Medium |
| 3 | Hoisting machine: inside a function call | Scope & Hoisting | Runtime machine | Hard |
| 4 | Scope machine: the lookup walks outward | Scope & Hoisting | Runtime machine |
| Easy |
| 5 | Scope machine: shadowing — nearest wins | Scope & Hoisting | Runtime machine | Medium |
| 6 | Scope machine: var walks through walls | Scope & Hoisting | Runtime machine | Medium |
| 7 | Scope machine: one j, many i's | Scope & Hoisting | Runtime machine | Hard |