All challenges
Code AnalysisBeginner 45s

Block scope let

What does this code output?
Starter code
{
  let x = 5;
}
try {
  console.log(x);
} catch (e) {
  console.log("error");
}

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