DevSprint
The JavaScript sprint — 20 questions, 3 lives, 20 seconds each.
Daily challenge
Map vs Object — which has an O(1) `.size`?
- 20s per question — correct answers earn a 2s bonus
- Streaks multiply your points (up to x5)
- 3 lives. Wrong answer or timeout — you lose one
- Score 80%+ to unlock referral opportunities
Leaderboard
Answer with 1–4 or A–D. Good luck!