{CodeRoyale}
All challenges
Multiple ChoiceHard 30s

Idle Callbacks

Choose the best answer for: requestIdleCallback
Options
  1. 1requestIdleCallback runs callbacks during browser idle time
  2. 2Idle callbacks are deprecated in favor of animation frames
  3. 3Idle callbacks are for animation and run before repaint
  4. 4Idle callbacks run immediately and ignore the idle time
javascripthard

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.

Play this in a 3-minute battle