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