| # | title | topic | type | difficulty |
|---|---|---|---|---|
| 1 | The + operator: string context wins | Type Coercion | Multiple choice | Hard |
| 2 | The == algorithm, step by step | Type Coercion | Multiple choice | Hard |
| 3 | null >= 0 but null != 0 | Type Coercion | Multiple choice | Hard |
| 4 | The army of things equal to nothing | Type Coercion | Multiple choice | Hard |
| 5 |
| '10' < '9' — string comparison traps |
| Type Coercion |
| Multiple choice |
| Hard |
| 6 | {} + [] — position is everything | Type Coercion | Multiple choice | Hard |
| 7 | Symbols: explicit yes, implicit never | Type Coercion | Multiple choice | Hard |
| 8 | Loose equality is not transitive | Type Coercion | Multiple choice | Hard |