VowelCount algorithm challenge created by Luke_Rogerson - https://repl.it/@Luke_Rogerson/VowelCount

VowelCount.js

/*
Vowel Count                                                                         *
*  Using the JavaScript language, have the function VowelCount(str) take the str       *
*  string parameter being passed and return the number of vowels the string contains   *
*  (ie. "All cows eat grass" would return 5). Do not count y as a vowel for this       *
* challenge. 
*/

// Split sentence into array
//

function VowelCount(str) {
	var strArray = str.toLowerCase().split(' ');
	var total = 0;

	for (let i = 0; i < strArray.length; i++) {
		for (let j = 0; j < strArray[i].length; j++) {
			if (
				strArray[i][j] === 'a' ||
				strArray[i][j] === 'e' ||
				strArray[i][j] === 'i' ||
				strArray[i][j] === 'o' ||
				strArray[i][j] === 'u'
			) {
				total += 1;
			}
		}
	}
	return total;
}

VowelCount('The cat sat on the mat.');