Multiple ChoiceBeginner 30s
Object Keys
Object.keys({a:1,b:2}) returns:
Options
- 1[1,2]
- 2a,b
- 3['a','b']
- 4{a:1,b:2}
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.