When calling `muteVowels("")`, the function throws a TypeError instead of returning an empty string. **Steps to reproduce:** 1. `const result = muteVowels("")` 2. TypeError is thrown **Expected:** Should return `""` for empty input. **Severity:** High — breaks basic usage.
When calling
muteVowels(""), the function throws a TypeError instead of returning an empty string.Steps to reproduce:
const result = muteVowels("")Expected: Should return
""for empty input.Severity: High — breaks basic usage.