← Practice
Strings·easy 10 min 50 XP

Reverse a String

Return the supplied text in reverse order.

Examples

  • reverseString("hero") → "oreh"

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
Reverse a String · editor

Code runs in an isolated Web Worker with a 3-second timeout — no DOM access, and it can never hang the page.