Multiple ChoiceBeginner 30s
Object Spread
{...a, ...b} where both have key 'x' results in:
Options
- 1b.x (later spread wins)
- 2A merge error
- 3An array
- 4a.x
Think you can answer under pressure?
Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.