t1a19-leet-logan

1. Prompt: Make me a begginer javascript leet code question
   
   
2. Write a function countVowels(str) that takes a string and returns the number of vowels in it. Vowels are: a, e, i, o, u (both uppercase and lowercase should be counted).

   
   Number of vowels
   
    
    
   
   
   

   
   
   
3. ChatGPT's code