All challenges
Multiple ChoiceBeginner 30s

Comments Syntax

Choose the best answer for: JavaScript comments
Options
  1. 1<!-- --> is JavaScript comment
  2. 2-- is single-line comment
  3. 3// single-line, /* */ multi-line
  4. 4# is single-line comment

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