Functions·easy 10 min 50 XP
Calculator Function
Write calculate(a, b, operator) supporting "+", "-", "*", "/".
Examples
- calculate(4, 2, "+") → 6
- calculate(4, 2, "/") → 2
Constraints
- Keep the required function name so the tests can find it
- Return a value instead of only logging it
- Do not mutate inputs unless the challenge asks you to
Calculator Function · editor
Code runs in an isolated Web Worker with a 3-second timeout — no DOM access, and it can never hang the page.