Write a JavaScript function that accepts a string as a parameter and counts the number of vowels within the string.

Question

Note : As the letter 'y' can be regarded as both a vowel and a consonant, we do not count 'y' as vowel here.
Example string : 'The quick brown fox'
Expected Output : 5

Answer 1

Nice one @visph ! (didn't consider using RegExp...) ^_^

Answer 2

I think I fixed it, try again...

Answer 3

var cnt = 0;
var str = [];
var mtc = "aeiou";
function vow(str){
for (var stp = 0; stp <= str.length - 1; stp++){
if (mtc.match(str[stp])){cnt++;}
}
return cnt;
}
window.onload = function(){
alert(vow(prompt("input string"))+" vowels");
};

Answer 4

function countv(t) {
return t.match(/(a|e|i|o|u)/gi).length;
}

Answer 5

function countv2(t,v) {
r=new RegExp(v,"g");
return t.match(r).length;
}

Answer 6

9. Write a JavaScript function that accepts two arguments, a string and a letter and the function will count the number of occurrences of the specified letter within the string.
Sample arguments : 'w3resource.com', 'o'
Expected output : 2 .

Answer 7

but not execut

Answer 8

write to java script or web

Answer 9

thank you all

Answer 10

execute naw .
th