1function vowel_count(str1)
2{
3 var vowel_list = 'aeiouAEIOU';
4 var vcount = 0;
5
6 for(var x = 0; x < str1.length ; x++)
7 {
8 if (vowel_list.indexOf(str1[x]) !== -1)
9 {
10 vcount += 1;
11 }
12
13 }
14 return vcount;
15}
16console.log(vowel_count("The quick brown fox"));