| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 1 | Hoisting machine: declarations vs expressions | Scope & Hoisting | Runtime machine | Medium |
| 2 | Scope machine: shadowing — nearest wins | Scope & Hoisting | Runtime machine | Medium |
| 3 | Scope machine: var walks through walls | Scope & Hoisting | Runtime machine | Medium |